Practice Test

Q1) All multicellular, eukaryotic organisms with photosynthetic mode of nutrition are included under Kingdom Show Answer

Q2) Plants are Show Answer

Q3) Which of the following is a characteristic of Kingdom Plantae ? Show Answer

Q4) Which of the following is the WRONG statement regarding cryptogams ? Show Answer

Q5) Algae, bryophytes and pteridophytes are included in Show Answer

Q6) Algae differ from land plants due to the Show Answer

Q7) Algae posses photosynthetic pigments and hence they are called Show Answer

Q8) An example of a non-motile unicellular microscopic alga is Show Answer

Q9) An example of a motile, unicellular microscopic alga is Show Answer

Q10) Chlorella is _______ while Chlamydomonas is ______. Show Answer

Q11) Spirogyra is Show Answer

Q12) Chara is Show Answer

Q13) Sargassum is a huge macroscopic alga which measures about ________ in length. Show Answer

Q14) Vegetative reproduction in filamentous algae takes place by Show Answer

Q15) Algae are Show Answer

Q16) Pigment common to all algae is Show Answer

Q17) Algae are mostly Show Answer

Q18) Algae differ from fungi due to presence of Show Answer

Q19) All algae have Show Answer

Q20) The reserved food in red algae is Show Answer

Q21) ______ are called amphibians of plant kingdom. Show Answer

Q22) In bryophytes, Show Answer

Q23) Presence of rhizoids in place of true roots is the characteristic of Show Answer

Q24) In liverworts, Show Answer

Q25) In mosses, Show Answer

Q26) Bryophytes show leaf like structures in Show Answer

Q27) In bryophytes, Show Answer

Q28) Bryophytes reproduce by vegetative mean through Show Answer

Q29) In bryophytes, sexual reproduction take place by Show Answer

Q30) In bryophytes, asexual reproduction take place by Show Answer

Q31) In a moss, the sporophyte Show Answer

Q32) Unique feature of bryophytes as compared to other plant groups is that Show Answer

Q33) Riccia is also called Show Answer

Q34) Which is NOT a character of bryophytes ? Show Answer

Q35) The shape of gametophyte in bryophytes is Show Answer

Q36) Most common method of vegetative reproduction in thalloid bryophytes is Show Answer

Q37) Which one of the following is the dominant phase in bryophytes ? Show Answer

Q38) The liverworts belong to Show Answer

Q39) Bryophytes are of Show Answer

Q40) Bryophytes have thallus plant body but they are not included under thallophyta because of Show Answer

Q41) The sporophyte of moss is Show Answer

Q42) The first successful terrestrial plants were Show Answer

Q43) Pteridophytes include about ________ genera. Show Answer

Q44) Pteridophytes include about _________ species. Show Answer

Q45) Pteridophytes bear _______ leaves. Show Answer

Q46) Pteridophytes are Show Answer

Q47) The late ________ era is regarded as the age of Pteridophytes. Show Answer

Q48) Azolla is a/an Show Answer

Q49) Equisetum is a/an _________ pteridophyte. Show Answer

Q50) Lycopodium is a/an Show Answer

Q51) In pteridophytes, phloem contains Show Answer

Q52) In pteridophytes, xylem contains Show Answer

Q53) The development of sporophyte without fusion of the male and female gametes is called as Show Answer

Q54) The development of gametophyte from any cell of the sporphyte other than the spores is known as Show Answer

Q55) Phanerogams means Show Answer

Q56) Number of generations in the life cycle of pteridophyta is Show Answer

Q57) Which is the dominant phase in pteridophyta ? Show Answer

Q58) Sporangia and spore bearing leaf in fern is called Show Answer

Q59) Adult fern plant is Show Answer

Q60) Spores of pteridophyta are Show Answer

Q61) Nephrolepis is a Show Answer

Q62) Out of the following which are the characteristics present in both bryophyta and pteridophyta ? Show Answer

Q63) Most primitive living vascular plants are Show Answer

Q64) The book 'Enquiry into plants' was written by Show Answer

Q65) The term gymnsoperms was first coined by Show Answer

Q66) Gymnsoperms are Show Answer

Q67) In gymnsoperms, pollination occurs only by Show Answer

Q68) Sporangia bearing leaf is called Show Answer

Q69) Gymnsoperms are characterized by the absence of Show Answer

Q70) The pollination in gymnsoperms is Show Answer

Q71) In gymnsoperms, vegetative reproduction takes place with help of Show Answer

Q72) _________ is the tallest living plant in the world. Show Answer

Q73) The height of the Sequoia plant is Show Answer

Q74) _________ is the smallest gymnsoperm. Show Answer

Q75) Ginkgo biloba are called Show Answer

Q76) Which of the following is a gymnsoperm ? Show Answer

Q77) ________ is called coast redwood of California. Show Answer

Q78) Taxoduim mucronatum has a girth of about _________ feet. Show Answer

Q79) Zamia pygmaea is about ______ cm long. Show Answer

Q80) Cycas has two cotyledons but is not included in angiosperms because of Show Answer

Q81) The chief water conducting elements of xylem in gymnsoperms are Show Answer

Q82) Gymnosperms bear seeds but lack fruits because they lack Show Answer

Q83) Corolloid roots of Cycas show association with Show Answer

Q84) Roots of Pinus shows association with Show Answer

Q85) Endophytic fungi or mycorrhizae are found in the root of Show Answer

Q86) Which of the following is commonly known as living fossil ? Show Answer

Q87) Tap root system pentamerous symmetry of flowers, reticulate venation are characteristic of Show Answer

Q88) The seeds in gymnosperms are Show Answer

Q89) In which plant is female cone absent ? Show Answer

Q90) Cycas seed has two cotyledons but it is not included in class dicotyledonae because Show Answer

Q91) The type of pollination in angiosperms is Show Answer

Q92) The endosperms of angiosperm is developed from Show Answer

Q93) In angiosperms, endosperm is formed by Show Answer

Q94) A true seed is Show Answer

Q95) The smallest angiosperm is Show Answer

Q96) Microsporangia are borne on Show Answer

Q97) Ovules are borne on Show Answer

Q98) Angiosperms are always Show Answer

Q99) In angiosperms, the pollination is Show Answer

Q100) Double fertilization means Show Answer

Q101) Flowers of monocot plants show Show Answer

Q102) Which of the following plants group shows double fertilization ? Show Answer

Q103) Secondary growth is absent in Show Answer

Q104) Companion cells are absent in the phloem of Show Answer

Q105) Double fertilization is the chracteristics of Show Answer

Q106) Archegonium is absent in Show Answer

Q107) Vascular bundles are absent in Show Answer

Q108) Angiosperms and Gymnosperms resemble each other in having Show Answer

Q109) Gymnosperm is similar to angiosperm due to presence of Show Answer

Q110) Gymnosperms and angiosperms are similar due to presence of Show Answer

Q111) Succulent plants are preserved in Show Answer

Q112) The Lloyd botanical garden is located at Show Answer

Q113) The Government botanical garden is located at Show Answer

Q114) The National botanical garden is located at Show Answer

Q115) The central national herbarium is located at Show Answer

Q116) The largest herbarium of India is Show Answer

Q117) Sequence for preparation of herbarium is Show Answer

Q118) Which equipments are needed to collect plant specimen and prepare herbarium sheets ? Show Answer

Q119) A place where dried plant materials are preserved as a specimens is known as Show Answer

Q120) Which is a huge alga among the following ? Show Answer

Q121) Which of the following is not a characteristics of algae ? Show Answer

Q122) Which of the following character is common for both algae and fungi ? Show Answer

Q123) A bryophyte differs from pteridophyta due to Show Answer

Q124) Moss can be differentiated from Cycas by the Show Answer

Q125) The first vascular plants were Show Answer

Q126) The primary root is short-lived and is soon replaced by adventitious roots in Show Answer

Q127) Both homosporous and heterosporous plants are found in the group. Show Answer

Q128) Gametophyte generation is independent in Show Answer

Q129) Pteridophyte differ from bryophytes due to presence of Show Answer

Q130) Which of the following is not a pteridophyte ? Show Answer

Q131) Which of the following is not a gymnosperm ? Show Answer

Q132) From the following which vascular plants are without seeds ? Show Answer

Q133) Which plants are described as phanerogams without ovary ? Show Answer

Q134) Cycas and Nephrolepis differ in presence of Show Answer

Q135) Which of these is a dicot characteristic ? Show Answer

Q136) Both sporophyte and gametophyte are independent in Show Answer

Q137) Pteridophyta differ from bryophyta due to presence of Show Answer

Q138) Bryophyta differ from algae due to presence of Show Answer

Q139) Vascular bundles are absent in Show Answer

Q140) Plants having vascular tissue, producing spores but lacking seeds are Show Answer

Q141) In pteridophytes, gametophytes require …A… to grow Show Answer

Q142) Which one of the following pairs of plants are not seed producers? Show Answer

Q143) A bryophyte, which harbours a nitrogen fixing blue-green alga in its thallus, is Show Answer

Q144) Rhodophytes are commonly called as Show Answer

Q145) This place in India is called ‘The Golden Mine of Liverworts’. Show Answer

Q146) In the alternation of generations the sporophytic generations is …A… and the gametophytic generation is
…B… . Here A and B refer to Show Answer

Q147) Chloroplasts of Spirogyra have Show Answer

Q148) In Selaginella the adaxial outgrowth from the base of leaf is called Show Answer

Q149) In Dryopteris, the opening mechanism of sporangium is effectively operated by Show Answer

Q150) Calcium encrustation and larvicidal properties are present in Show Answer

Q151) Iodine is obtained from Show Answer

Q152) Number of archegonia in Cycas is Show Answer

Q153) Which of the following in moss capsule is haploid/gametophytic tissue? Show Answer

Q154) In angiosperms seeds are enclosed by Show Answer

Q155) Double fertilisation involves Show Answer

Q156) Which one of the following is a gymnosperm? Show Answer

Q157) Which of the following propagates through leaf-tip? Show Answer

Q158) The spores in the moss plant are formed in Show Answer

Q159) Antherozoids of Dryopteris are Show Answer

Q160) Which has vascular tissue, produces spores but does not have seeds? Show Answer

Q161) Consider the following statements about bryophyte plants
I. The tea prepared from polytrichum commune is used to dissolve kidney and gall bladder stones
II. Many chemical products such as alcohol, ammonium sulphate, paraffin, brown dye, etc., can be obtained
from peat
Choose the correct option Show Answer

Q162) Moss capsule represents a Show Answer

Q163) The gametophyte is not an independent, free living generation in Show Answer

Q164) Which one is not the feature of Cycas? Show Answer

Q165) The members of brown algae (class-Phaeophyceae) have gelatinous coating outside the, cellulosic cell wall
called Show Answer

Q166) In Bryophtya, the adult plant body is Show Answer

Q167) Difference between algae and bryophytes is Show Answer

Q168) Which one of the following is an example of chlorophyllous thallophyte? Show Answer

Q169) Which of the following is known as pond silk? Show Answer

Q170) Which of the following does not belong to class-Phaeophyceae (brown algae)? Show Answer

Q171) In pteridophyte, the sporophytes consist of leaf-like appendages called Show Answer

Q172) Meiosis in Spirogyra,Ulothrix,Chlamydomonas and most of the algae/thallophytes is Show Answer

Q173) In Funaria, stomata are present on the Show Answer

Q174) Gymnosperms are characterised by Show Answer

Q175) Which of the statement is correct about Marchantia?
I. Plant body is thallus-like structures closely attached to substrate
II. Sporophyte is differentiated into food, seta and capsule
III. Gemma cup located on the thalli Show Answer

Q176) Heterocysts are found in Show Answer

Q177) Mosses occur in moist place because Show Answer

Q178) Angiospermic plants are characterised by
I. double fertilisation
II. triploid endosperm
III. Diploid endosperm
Choose the correct option from the following regarding above statements Show Answer

Q179) Read carefully the following statement about the sexual reproduction in ferns
I. Water is essential for fertilisation
II. Male gametophyte bears antheridia, while female gametophyte bears archegonium, which produces
antherozoids and egg cell, respectively
III. Antherozoids and egg cell fuses to give rise zygote. Zygote develops into young embryo. Embryo give
rise to sporophyte
Which of the statements given above are correct? Show Answer

Q180) Which of the following part of Funaria sporophyte is involved in the dispersal of spores? Show Answer

Q181) In …A… gametophytic phase is dominant, while in …B… sporophytic phase in dominant.
Identify the A and B. choose the correct option Show Answer

Q182) In which of the following group would you place a plant, which produce seeds but lacks fruits? Show Answer

Q183) The bryophytes are fundamentally terrestrial plants but require presence of water to complete their life
cycle. The water is needed for
I. dehiscence of antheridia
II. liberation of antherozoids
III. transfer of sperms from antheridia to archegonia
IV. opening of archegonial neck
V. the movement of antherozoids into the archegonial neck
Which of the statements given above are correct? Show Answer

Q184) In gymnosperms, the nucellus is protected by envelops and this composite structure is known as Show Answer

Q185) Pinus belong to the class Show Answer

Q186) In comparition to angiosperm, which one of the following algae exhibits haplo-diplontic life cycle Show Answer

Q187) Storage bodies, pyrenoids in the chloroplast contain Show Answer

Q188) The red colour of ‘red sea’ is due to which of the following blue-green algae? Show Answer

Q189) In Funaria, the number of peristomial teeth is Show Answer

Q190) The members of Phaeophyceae are commonly called Show Answer

Q191) Two adjacent filaments of Spirogyra af finis each 10 cells participating in reproduction. How many new
Spirogyra plants are produced during sexual reproduction? Show Answer

Q192) Which group of plant constitute the lower bryophytes? Show Answer

Q193) Algal zone is present in Show Answer

Q194) Isogamy is found in Show Answer

Q195) Cleavage polyembryony occurs in Show Answer

Q196) Zygote of Spirogyra produces four haploid nuclei in which Show Answer

Q197) The members of brown algae are found primarily in Show Answer

Q198) A prokaryotic autotrophic nitrogen fixing symbiont is found in Show Answer

Q199) Sporophytic generation is dominant phase in the life cycle of Show Answer

Q200) Choose the incorrect statement about mosses? Show Answer

Q201) Gemmae are asexual buds, which originate from small receptacles called gemma cups.
These are found in Show Answer

Q202) Tallest flowering tree is Show Answer

Q203) Oogamous means Show Answer

Q204) Which is wrong in respect to bryophytes? Show Answer

Q205) Nephrolepis is a Show Answer

Q206) ‘Club moss’ belongs to Show Answer

Q207) Isogamous mean
I. both gametes are similar in size and non-motile,
II. both gametes are dissimilar in size and motile
III. both gametes are similar in size and motile
IV. both gametes are dissimilar in size and non-motile
Which of the statement(s) given above is/are correct? Show Answer

Q208) Characters of both conifers and cycads are found in Show Answer

Q209) The amphibians of plant kingdom are Show Answer

Q210) Female sex organ in a flower is Show Answer

Q211) Which economically important product is obtained from Cycas Circinalis? Show Answer

Q212) Artificial system of classification was given by …A… and based on …B…
Fill the blanks with respect to A and B. choose the correct option Show Answer

Q213) Sea weeds are important source of Show Answer

Q214) Terms artificial, natural and phylogenetic are related to types of Show Answer

Q215) Holdfast, stipe and frond constitutes the plant body in case of Show Answer

Q216) In Chlorophyceae, the mode of sexual reproduction is Show Answer

Q217) The positive evidence of aquatic ancestory of bryophytes is indicated by Show Answer

Q218) In gymnosperm the roots are generally Show Answer

Q219) Which type of chloroplasts are present in the members of class-Chlorophyceae? Show Answer

Q220) Seed habit is linked to Show Answer

Q221) Algae occur in/on Show Answer

Q222) Which of the following plant group is considered as first terrestrial plants to possess vascular tissues
xylem and phloem? Show Answer

Q223) At the base of seta of capsule of moss, there is a haploid brownish growth called Show Answer

Q224) Sphaerocarpus belongs to Show Answer

Q225) Egg apparatus of angiosperms consist of Show Answer

Q226) Meiosis in Dryopteris takes place during Show Answer

Q227) Which of the following plants produces seeds but not flowers? Show Answer

Q228) Identify the wrong statements Show Answer

Q229) Select one of the following pairs of important features distinguishing Gnetum from Cycas and Pinus and
showing affinities with angiosperms Show Answer

Q230) From which of the following plants is a medicine for respiratory disorders obtained? Show Answer

Q231) In Funnaria , antheridial branch is called Show Answer

Q232) Which of the following is not the feature of gymnosperms? Show Answer

Q233) The alga used in space research is Show Answer

Q234) The cones bearing megasporophyll with ovules are called Show Answer

Q235) In Spirogyra the sporophytic stage is dominant Show Answer

Q236) Ovules are borne on Show Answer

Q237) Of the following groups, which secrete and deposit calcium carbonate and appear like corals? Show Answer

Q238) In pteridophytes, phloem is without Show Answer

Q239) In algae the flagellate (motile) spore is called Show Answer

Q240) Ovules of gymnosperm is Show Answer

Q241) Agar, one of the commercial products obtained from red algae is used Show Answer

Q242) Phycoerythrin is present in Show Answer

Q243) Protonema is formed in Show Answer

Q244) Consider the following statements regarding the major pigments and stored food in the different groups of
algae and select the correct options given.
I. In Chlorophyceae, the stored food material is starch and the major pigments are chlorophyll-a and d.
II. In Phaeophyceae, laminarian is the stored food and major pigments are chlorophyll-a and b.
III. In Rhodophyceae, floridean starch is the stored food and major pigments are chlorophylla-a, b and
phycoerythrin. Show Answer

Q245) Read carefully the given statements about algae and choose the correct option
I. The plant body is thalloid
II. Mainly aquatic
III. Reproduction takes place by vegetative, asexual and sexual
IV. Volvox and Ulothrix are the colonial form of algae Show Answer

Q246) In angiosperms, the pollen grains and ovules are produced in special structure called Show Answer

Q247) The members of Chlorophyceae are commonly called Show Answer

Q248) Resin and turpentine are products of Show Answer

Q249) In Cycas, pollination occurs at ….. celled stage Show Answer

Q250) Moss peat s used as a packing material for sending flowers and live plants to distant places because Show Answer

Q251) In the angiosperm ovule, central cell of the embryo sac prior to the triple fusion, contains Show Answer

Q252) The unique feature of bryophytes compared to other green plant group is that Show Answer

Q253) Cycas leaflets are Show Answer

Q254) Which of the following are called vascular cryptogams? Show Answer

Q255) In gymnosperms the dominate phase is …A… . They are heterosporous, produce …B… and …C… . Here, A, B
and C refers to Show Answer

Q256) Algae are Show Answer

Q257) Consider the following statements
I. They reproduce asexually by non-motile spores and sexually by non-motile gametes
II. In this class, sexual reproduction is oogamous and accompanied by complex post-fertilisation
developments
III. The common members are Polysiphonia, Porphyra, Gracilaria, and Gelidium
The above characteristics are belongs to which class of algae Show Answer

Q258) In gymnosperm dominant phase is Show Answer

Q259) In liverworts asexual reproduction takes place by Show Answer

Q260) Which of the following is the amphibians of the plant kingdom? Show Answer

Q261) Identify the scientists worked extensively on chlorophyllous and non-chlorophyllous thallophytes,
respectively.
I. Iyenger II. Swaminathan
III. Metha IV. Maheswari Show Answer

Q262) Sago starch is obtained from Show Answer

Q263) In angiosperms endosperm is Show Answer

Q264) Which of the following pteridophytes is heterosporous in nature? Show Answer

Q265) Which statement is incorrect about Pinus? Show Answer

Q266) Find out the mis-matched pair. Show Answer

Q267) Gymnosperms are naked seeded plants because Show Answer

Q268) Consider the following statements about green algae
I. Green algae are green due to the presence of chlorophyll-A and B pigments localised in chloroplast
II. Algae store food in form of starch in a specialised structures called pyrenoids located in chloroplast.
Food may be stored in form of oil droplets
III. Vegetative reproduction occurs through cell division, fragmentation, stolons and tubers
Which of the statements given above are correct? Show Answer

Q269) Stamen consists of Show Answer

Q270) Cycads are Show Answer

Q271) ‘Chilgoza’ a gymnospermic seed that is eaten as dry fruit is produced by Show Answer

Q272) In Funaria capsule, dispersal of spores takes place through Show Answer

Q273) The plant body of all bryophytes are haploid and thallus like having Show Answer

Q274) Though Cycashas two cotyledons, this is not included in dicot because Show Answer

Q275) Which one of the following is called maiden-hair fern? Show Answer

Q276) Cyanobacterium is an algae having Show Answer

Q277) A mature pollen grain of Pinushas Show Answer

Q278) Mannitol is reserve food in Show Answer

Q279) In pteridophytes spore germinate to give rise to Show Answer

Q280) Gymnosperms include Show Answer

Q281) In homosporous pteridophyte, the gametophyte is Show Answer

Q282) Anther produces Show Answer

Q283) The only positive evidence of aquatic ancestry of bryophyte is Show Answer

Q284) The heart-shaped form of prothallus represents Show Answer

Q285) Which of the following statements is right? Show Answer

Q286) Classification on the basis of chemical constituents of plant is known as Show Answer

Q287) Which of the following liverworts have thalloid plant body? Show Answer

Q288) Phycology is the study of Show Answer

Q289) Consider the following statements about bryophytes
I. Sexual reproduction is oogamous type
II. The sex organs are multicellular and jacketed with sterile jacket
III. The haploid gametophytes is dominant stage in the life cycle bryophytes
Which of the statements given above are correct? Show Answer

Q290) Chlorophyll-b is not present in Show Answer

Q291) Natural system of classification were based upon Show Answer

Q292) Largest moss is Show Answer

Q293) Which of the following petridophytes belong to class-Pteropsida? Show Answer

Q294) Cycas revoluta is popularly known as Show Answer

Q295) Pteridophytes are also known as Show Answer

Q296) Have capacity of absorbing water used to replace cotton and used as a fuel is Show Answer

Q297) Which of the following plant materials, is an efficient water imbibant? Show Answer

Q298) If you are asked to classify the various algae into distinct groups, which of the following characters you
should choose? Show Answer

Q299) Which of the following is /are grouped under phanerogams? Show Answer

Q300) Calyptra is derived from Show Answer

Q301) Megaspore mother cell divides …A… to give rise …B… megaspores Identify the A and B and choose correct option Show Answer

Q302) In Cycas Show Answer

Q303) In angiospermic plant pollen grain reaches to embryo sac after its germination on …A… and through …B… .
Here A and B refer to Show Answer

Q304) Largest gametophyte is found in Show Answer

Q305) Which is the source of turpentine oil? Show Answer

Q306) What is the ratio of equational division that takes place in Cycas and angiosperms respectively during the
formation of male gametes from pollen grains? Show Answer

Q307) In moss, the sporophyte is differentiated into Show Answer

Q308) In algae, sexual reproduction takes place through the fusion of two Show Answer

Q309) In Spirogyra, sometimes a ladder-like structure is present due to Show Answer

Q310) Embryo sac consists of Show Answer

Q311) Triple fusion in angiosperms is the fusion of second male gamete with Show Answer

Q312) Carpel consists of Show Answer

Q313) Which of the following is the difference between a monocotyledonous and a dicotyledonous plant? Show Answer

Q314) Which of the following characteristic does not occur in Pinus? Show Answer

Q315) Calyptra develops from Show Answer

Q316) Species of Sphagnum, a moss, provides Show Answer

Q317) Spirogyral lateral conjugation takes place in Show Answer

Q318) Which one of the following classes is included under gymnosperms? Show Answer

Q319) Study the following and identify two characters found in both Cycas and Pteris.
I. Formation of motile male gametes.
II. Formation of haploid endosperm.
III. Formation of sporophyte directly from gametophyte without gametic union.
IV. Formation of archegonia in female gametophyte.
The correct match is Show Answer

Q320) Iodine is found in algae Show Answer

Q321) The members of algae reproduce by Show Answer

Q322) Consider the following statements about sexual reproduction in brown algae?
I. Sexual reproduction may be oogamous isogamous or anisogamous
II. Union of gametes take place in water or within the oogonium
III. The gametes are pear-shaped and bear two laterally attached flagella
Which of the statements given above are correct? Show Answer

Q323) Which of the following is known as ‘bog moss’? Show Answer

Q324) Which of the following has multiflagellate sperms? Show Answer

Q325) Angiospermic plants are divided into Show Answer

Q326) Cycas seed is Show Answer

Q327) The correct statements about bryophytes are
I. the sperms are biflagellate
II. the sperms are released into water and fuses with the egg to produce the zygote out side the body
III. zygotes undergoes reduction division immediately
IV. they produce a multicellular body called a sporophyte Show Answer

Q328) Which of the following is pteridophytes belong to class-Pteropsida? Show Answer

Q329) The 13-celled male gametophyte in Selaginella is Show Answer

Q330) In haplontic life cycle, the dominant generation is Show Answer

Q331) Carrageenin, a jelly-like substance is obtained from Show Answer

Q332) While entering in the neck of a fern archegonium, sperms shows Show Answer

Q333) Which one of the following plants is monoecious? Show Answer

Q334) A gymnospermic leaf carries 16 chromosomes. The number of chromosomes in its endosperm is Show Answer

Q335) Tea and coffee are affected by Show Answer

Q336) Which of the following groups of algae do not have eukaryotic organization? Show Answer

Q337) In gymnosperms, during pollination pollen grains are released from the microsporangium and transferred
to Show Answer

Q338) In Funaria, the stomata are found on Show Answer

Q339) Diatoms belong to which class? Show Answer

Q340) Which of the following statement is correct about the gametophytic stage in the alteration of generation
with in the life cycle? Show Answer

Q341) Transfer of pollen grain from anther to the stigma of ovary is called Show Answer

Q342) Which of the following gymnosperms is a bushy trailing shrub? Show Answer

Q343) Which of the following taxa shows zooidogamous oogamy?
I. Spirogyra II.Funaria
III.Pteris IV.Cycas Show Answer

Q344) Smallest flowering plant is Show Answer

Q345) Funaris, Polytrichumand and Sphagnum are the examples of Show Answer

Q346) Pollen sac in Cycas is called Show Answer

Q347) Chlorenchyma is known to develop in the Show Answer

Q348) Bryophytes are also called ‘amphibians of the plant kingdom’ because Show Answer

Q349) Phylogenetic system of classification was given by Show Answer

Q350) Which was first photosynthetic organism? Show Answer

Q351) Male and female gametophytes are independent and free-living in Show Answer

Q352) Chlamydomonas, Volvox, Ulothrix, Spirogyra and Chara are the examples of Show Answer

Q353) Consider the following statements
I. Agar, one of the commercial products obtained from Gelidium and Gracilaria are used to grow
microbes and in preparations of ice-creams and jellies
II.Chlorella and Spirogyra are used in sewage disposal ponds
III. Some species of marine algae like
Porphyra, Laminaria and Sargassum are used as food
Which of the statements given above are correct? Show Answer

Q354) In gymnosperm, the multicellular female gametophyte is retained with in Show Answer

Q355) Choose the wrong pair Show Answer

Q356) Cycas circinalis is a source of Show Answer

Q357) The endosperm in angiosperms develops from Show Answer

Q358) A microsporophyll in Pinus has Show Answer

Q359) The algae used in space research is Show Answer

Q360) Horse tails and ferns are belongs to Show Answer

Q361) Chloroplasts, with pyrenoid like structures are found in the leaves of Show Answer

Q362) Bryophytes mostly occur in Show Answer

Q363) The number of prothallial cells in male gametophyte of Pinus is Show Answer

Q364) The body structure of green algae may be Show Answer

Q365) Natural system of classification was developed by Show Answer

Q366) Angiosperms differ from gymnosperms in having Show Answer

Q367) Consider the following statements regarding gymnosperms and choose the correct option.
I. In gymnosperms, the male and female gametophytes have an independent existence.
II. The multicellular female gametophyte is retained within the megasporangium.
III. The gymnosperms are hterosporous.
Of these statements Show Answer

Q368) Pollen tube carries Show Answer

Q369) ‘Sanjeevani booti’ is Show Answer

Q370) Dryopteris differs from Funaria in having Show Answer

Q371) Retort cells occur in Show Answer

Q372) Chlamydomonas occurs in Show Answer

Q373) Select the correct statements Show Answer

Q374) The members of Chlorophyceae are usually green due to the dominance of pigments Show Answer

Q375) Winged pollen grains are found in Show Answer

Q376) Which region is responsible for origin of rhizoids in Funaria? Show Answer

Q377) Endosperm formation begin with Show Answer

Q378) Gametophyte is the dominant phase in the life cycle of Show Answer

Q379) Which one of the following is a vascular cryptogam? Show Answer

Q380) Consider the following statements
I. The liverworts grow usually in moist, shady habitats such as banks of streams, marshy ground, damp
soil, bark of trees and deep in the woods
II. The leafy members of liverwort have tiny leaf-like appendages in two rows on the stem-like structures
Choose the correct option Show Answer

Q381) The giant red wood tree (Sequoia) is a/an Show Answer

Q382) Which of the following statements is wrong about bryophytes? Show Answer

Q383) Choose the correct statement about liverworts
I. In liverworts sexual reproduction occurs by the fusion of antherozoids and egg, which are produced in
anthridium and archegonium, respectively
II. Both male and female sex organs may be present on same thalli or different thalli
III. Zygote give rise to sporophyte, which is differentiated into food, seta and capsule
IV. Some cells of capsule undergoes meiosis and give rise to haploid spores Show Answer

Q384) Spore dissemination in some liverworts is aided by Show Answer

Q385) If a sporangium is derived from a single cell, it is called Show Answer

Q386) Dispersal of spores in fern takes place through Show Answer

Q387) Members of class-Rhodophyceae are known as red algae due to the presence of red pigment Show Answer

Q388) A protein rich green alga is Show Answer

Q389) Water bloom is generally caused by Show Answer

Q390) Phylogenetic system of classification is based upon Show Answer

Q391) Both heterospory and circinate ptyxis occur in Show Answer

Q392) In Pinus, the endosperm is Show Answer

Q393) How many pyrenoids are present in the members of class-Chlorophyceae? Show Answer

Q394) Choose the incorrect statement Show Answer

Q395) A protein rich blue-green alga is Show Answer

Q396) Spores with chloroplast is present in Show Answer

Q397) The leaves in pteridophytes are small as in Show Answer

Q398) In bryophytes antheridium produces …A… and female sex organ archegonium produces …B… . Here A and
B refer to Show Answer

Q399) In case of heteroporous pteridophyte the gametophyte is Show Answer

Q400) Oogamous type of fusion is found in Show Answer

Q401) Fern gametophyte bears Show Answer

Q402) Gametophyte is dominant stage in the life cycle of Show Answer

Q403) The plant body of bryophytes is Show Answer

Q404) In gymnosperms the development of grains take place with in the Show Answer

Q405) In angiospermic fertilisation, one male gamete fuses with egg to form …A… , this event is called …B… .
Identify A and B and choose the correct option Show Answer

Q406) Classification on the basis of all observed characters is known as Show Answer

Q407) Spirogyra, Volvox and Chlamydomonas shows Show Answer

Q408) When moss spores germinate, the form Show Answer

Q409) A fern differs from a moss in having Show Answer

Q410) If the chromosome number in the leaf of Funaria is 20, what will be the chromosome number in the
spores? Show Answer

Q411) Pteridophytes differ from bryophytes in the Show Answer

Q412) Cycas stem shows Show Answer

Q413) In which group of the following would you place the plants having vascular tissue and lacking seeds? Show Answer

Q414) In brown algae, food is stored in the form of Show Answer

Q415) Haploid brown, hairlike, delicate unicellular outgrowths are Show Answer

Q416) Gymnosperms produce neither flower nor fruit because they do not possess Show Answer

Q417) In mosses the second gametophytic stage is leafy stage. Consider the following statements about leafy
stage
I. Leafy stage is produced from the secondary protonema as a lateral bud
II. They consist of upright, slender axes bearing spirally arranged leaves
III. They are attached to the soil through multicellular rhizoids
IV. This leafy stage bears the sex organ
Which of the statements given above are correct? Show Answer

Q418) Alginic acid is found in the cell wall of Show Answer

Q419) Incorrect character of brown alga is Show Answer

Q420) Plants forming spores but lacking seed and vascular tissue are Show Answer

Q421) Living fossil is Show Answer

Q422) Acetabularia is a Show Answer

Q423) Which of these is mismatched? Show Answer

Q424) The sclerenchyma of the hypodermis in the Pinus needle helps in Show Answer

Q425) Most algal genera are haplontic some of them such as …A…, …B… and …C… are haplo-diplontic. Here A, B
and C refers to Show Answer

Q426) From which of the following algae, agar-agar is commercially extracted?
I. Gracilaria II. Fucus
III. Sargassum IV. Gelidium
V. Turbinaria Show Answer

Q427) In gymnosperms one of the megaspores develops into multicellular structure called multicellular …… that
bears two or more archegonia Show Answer

Q428) If the leaf of Funaria has 5 chromosomes the primary protonema will have Show Answer

Q429) In gymnosperms the reduced gametophyte is called Show Answer

Q430) Double fertilisation occurs among Show Answer

Q431) In algae asexual reproduction occurs by the production of different types of spores. The most common
type of spore is Show Answer

Q432) In green algae vegetative reproduction takes place by Show Answer

Q433) Photosynthetic pigments of class-Rhodophyceae (red algae) are Show Answer

Q434) Fruits are not found in gymnosperms because Show Answer

Q435) Haplontic life cycle is followed by Show Answer

Q436) Resin duct of gymnospermous stem is an example of Show Answer

Q437) Fertilisation is the process of Show Answer

Q438) Angiosperms are also called Show Answer

Q439) Read carefully the following statements
I. Funaria possesses unicellular and unbranched rhizoids
II. Gemmae are asexual buds, which originate from small receptacles called gemma cups
III. The Sphagnum plants have magnificent property of retaining water
IV. Mosses along with lichens are the first organisms to colonise rocks
Which of the statements given above are correct? Show Answer

Q440) In brown algae asexual reproduction takes place by Show Answer

Q441) Sporophyte of fern produces Show Answer

Q442) Fern spores are usually Show Answer

Q443) In Cycas, diploxylic vascular bundles are found in Show Answer

Q444) A group of plants which are autotrophs, their sex organs are non-jacketed and whose zygotes secrete thick
wall are called Show Answer

Q445) Peat moss is Show Answer

Q446) The main plant body in pteridophyte is Show Answer

Q447) Consider the following statement regarding heterospory
I. Genera like Selaginella and Salvinia which produce two kinds of spores, macro (large) and micro
(small) spores, are known as heterosporous II. The megaspores and microspores germinate and give rise to female and male gametophyte respectively
III. The female gametophytes in these plants are retained on the parent sporophytes for variable periods
IV. The development of the zygotes into young embryos takes place within the female gametophytes
V. This event is a precursor to the seed habit considered an important step in evolution Show Answer

Q448) Common characteristic between bryophytes and pteridophytes is Show Answer

Q449) Two very distinst generations are found in the life cycle of Show Answer

Q450) Dominant generation in bryophytes is Show Answer

Q451) In gymnosperms, pollination takes place by Show Answer

Q452) Incipient nucleus is found in Show Answer

Q453) Non-motile, greatly thickened, asexual spore in Chlamydomonas is Show Answer

Q454) Consider the following statements about brown algae
I. The largest kelps are Nereocystis and macrocytis
II. Brown algae have gelatinous coating outside the, cellulosic cell wall called algin
III. Food obtained from
Laminaria saccharina is known as ‘Kombu’
Which of the statements given above are correct? Show Answer

Q455) Double fertilisation is characteristic feature of Show Answer

Q456) Reproductive parts of an angiospermic plant are Show Answer

Q457) After fertilisation the ovaries develop into Show Answer

Q458) Which of the following algae are suitable for human consumption? Show Answer

Q459) In Ulothrix, meiosis occurs in Show Answer

Q460) Choose the correct statements about protonema Show Answer

Q461) Fruits are mature Show Answer

Q462) Megasporophyll of Cycas is equivalent to Show Answer

Q463) Mosses (along with lichen) are of great ecological importance because Show Answer

Q464) Microsporangia of Cycas occur over microsporophyll Show Answer

Q465) The plant body of bryophytes are thallus like, prostrate or erect and attached to substratum with the help
of Show Answer

Q466) Heterospory is the production of Show Answer

Q467) Bryophytes include Show Answer

Q468) About 90% of the total green algae is found in Show Answer

Q469) Mosses are attached to substratum by Show Answer

Q470) Oil is reserve food in Show Answer

Q471) Coralloid roots of Cycas are useful in Show Answer

Q472) The type of pollination in Cycas is Show Answer

Q473) Spore of Funaria on germination gives rise to Show Answer

Q474) Eutrophication is the result of Show Answer

Q475) If number of chromosomes in foot of fern embryo is 8, what should be the number in its spores? Show Answer

Q476) Agar-agar is obtained from Show Answer

Q477) The alga rich in protein is Show Answer

Q478) A typical of angiospermic embryo sac is usually Show Answer

Q479) Female reproductive part of bryophytes is Show Answer

Q480) Which of the following group of marine algae are used as food? Show Answer

Q481) Chlamydomonas nivalis is responsible for Show Answer

Q482) The thallus of Volvox is called Show Answer

Q483) Number of peristomial teeth in moss is Show Answer

Q484) Plants have ….. in their life cycle Show Answer

Q485) The only living fossil, known by the name of ‘maiden hair tree’ is Show Answer

Q486) Chloroplast in Ulothrix is Show Answer

Q487) The members of brown algae have Show Answer

Q488) In the prothallus of a vascular cryptogam, the antherozoids and eggs mature at different times. As a result Show Answer

Q489) In flowering plants meiosis occurs at the time of Show Answer

Q490) Which of the following is an important source of edible protein? Show Answer

Q491) Floridian starch is reserve food in Show Answer

Q492) Chlamydomonas shows Show Answer

Q493) Mosses are Show Answer

Q494) The site of photosynthesis in blue-green algae is Show Answer

Q495) In gymnosperm, the leaves are well-adapted to withstand extremes of temperature, humidity and wind.
What are the xeric characters in conifers? Show Answer

Q496) Vegetative reproduction in Cycas occurs by Show Answer

Q497) Classification done on the basis of cytological information, chromosome structure and their behavior, is
known as Show Answer

Q498) Choose the correct statements for the sporophyte of bryophytes,
I. sporophyte is multicellular, not free living but attached to the gametophyte for nourishment from it
II. some cells of the sporophyte under go meiosis to produce haploid spores
III. these spores germinate to produce gametophyte Show Answer

Q499) In mosses vegetative reproduction takes place by Show Answer

Q500) Eight nucleated female gametophyte is found in Show Answer

Q501) Vasculature is poorly developed, pith has mucilage canals, parenchyma and medullary rays are abundant
in Show Answer

Q502) When a produces two kind of spores, the condition is known as Show Answer

Q503) Artificial system of classification was given by Show Answer

Q504) In algae, vegetative reproduction mainly takes place by Show Answer

Q505) Which of the following plant group lack true roots, stem and leaves? Show Answer

Q506) The characteristic of blue-green algae is Show Answer

Q507) Father of Indian Bryology is Show Answer

Q508) In which of the following, pyrenoids are present? Show Answer

Q509) In which of the following features, Cycas resembles with angiosperms? Show Answer

Q510) Megasporophyll is the term used in gymnosperm to denote Show Answer

Q511) Haplo-diplontic life cycle is followed by Show Answer

Q512) Green alga contains Show Answer

Q513) Ectophloic siphonostele is found in Show Answer

Q514) Roots is some gymnospermic genera have fungal association in the form of …A… in …B…. Here, A and B
refers to Show Answer

Q515) Sphagnum a moss, is used as a packing material for transporting living materials because of its Show Answer

Q516) Which of the following is true about bryophytes? Show Answer

Q517) In Spirogyra, Show Answer

Q518) The protonema is a stage in the life cycle of Show Answer

Q519) Identify the alga known for a biological activity called bioluminescence. Show Answer

Q520) The moss plant is Show Answer

Q521) Flagellated male gametes are present in all the three of which one of the following sets? Show Answer

Q522) In brown algae, brown colour is due to presence of Show Answer

Q523) Nostoc fixes dinitrogen in symbiotic association with the following
I. Alnus II. Gunnera
III. Anthoceros IV. Casuarina Show Answer

Q524) The members of Chlorophyceae usually have a rigid cell wall made up of Show Answer

Q525) Zygotic meiosis takes place in Show Answer

Q526) Which of the following is correct for Cycas reproduction? Show Answer

Q527) In Pinus, the third tier of embryonal cells formed below is known as Show Answer

Q528) Kingdom-Plantae includes Show Answer

Q529) Moss spore germinate to form Show Answer

Q530) Pteridophytes mostly occur in Show Answer

Q531) Protonema is the juvenile filamentous state in the life cycle of Show Answer

Q532) In which way, mosses affects the quality of soil? Show Answer

Q533) Which one of the following is considered important in the development of seed habit? Show Answer

Q534) In capsule of moss, shock absorbers are Show Answer

Q535) Haploid structure of Funaria is Show Answer

Q536) Which of the following statement is true about the sporophytic stage in plant life cycle? Show Answer

Q537) Phylogenetic system of classification is also known as Show Answer

Q538) Transfusion tissue is present in the leaves of Show Answer

Q539) Gametophytic generation is dominant stage in the life cycle of Show Answer

Q540) Pyrenoids are made up of Show Answer

Q541) In ferns and mosses, movement of antherozoids towards female component is called Show Answer

Q542) Consider the following statements regarding reproduction in class-Chloropyceae.
I. Asexual reproduction is mainly by flagellated zoospores produced in zoosporangia.
II. The sexual reproduction shows considerable variation in the type and formation of sex cells and it may
be isogamous, anisogamous and oogamous.
Which of the statements given above are correct? Show Answer

Q543) Laminarin and manitol of class-Phaeophyceae (brown algae) are Show Answer

Q544) Choose the correct statements Show Answer

Q545) The first Division, which comes under kingdom-Plantae is Show Answer

Q546) Microsporangia in gymnosperm are produced Show Answer

Q547) Spore of Funaria on germination produces Show Answer

Q548) Fusion of two gametes, which are dissimilar in size is termed as Show Answer

Q549) Heterosporous pteridophytes always produce Show Answer

Q550) People recovering from long illness are often advised to include the alga Spirulina in their diet because it Show Answer

Q551) A ring of multiciliate zoogonidium is found in Show Answer

Q552) Sterile part of Cycas microsporophyll is Show Answer

Q553) Which of the following is living fossil? Show Answer

Q554) Read carefully the following statements about angiospermic sexual fertilisation
I. Pollen tube carries the male gamete towards archegonia and discharge contents in the mouth of
archegonium
II. Male gamete fuses with egg to give rise zygote
III. Zygote develops into embryo and embryo into seeds
IV. Seeds are naked
Which of the statement given above are correct? Show Answer

Q555) Which type of moss is Funaria? Show Answer

Q556) Select the correctly matched ones.
I. Phaeophyceae - Mannitol
II. Rhodophyceae - Dictyota
III. Chlorophyceae - Non-motile gametes
IV. Rhodophyceae - r-phycoerythrin Show Answer

Q557) Algae have cell wall made up of Show Answer

Q558) Pyrenoids are present in the ….. in most of the green algae Show Answer

Q559) Indusium is found in Show Answer

Q560) In the life cycle of mosses, the gametophyte has two stages (A and B). These stages can be called Show Answer

Q561) Number of meiosis for formation of 64 zygotes in angiosperm is 80 but in gymnosperms number of
meiosis for formation of 64 zygotes will Show Answer

Q562) In gymnosperm the microspores develop into a male gametophyte generation which Show Answer

Q563) In a monoecious plant Show Answer

Q564) In which of the following, all listed genera belong to the same class of algae? Show Answer

Q565) Which of the following is incorrect with respect to angiosperms? Show Answer

Q566) In Cycas stem, open vascular bundle is characterized by Show Answer

Q567) Which green alga shows heterotrichous habit and may have given rise to terrestrial (land) habit? Show Answer

Q568) The characteristic features of bryophytes are
I. main plant body is gametophytic
II. main plant body is sporophytic
III. requirement of water for fertilisation
Which of the statements given above are correct? Show Answer

Q569) Which is the tallest gymnospermic tree species? Show Answer

Q570) Anisogamous means both gamete are Show Answer

Q571) Usually plant body of brown algae is differentiated into Show Answer

Q572) Ulothrix releases zoospore during Show Answer

Q573) The kidney-shaped covering of sorus in Dryopteris, is called Show Answer

Q574) Pollen grains in Pinus are Show Answer

Q575) Characteristic of fern is Show Answer

Q576) Protonema is the stage in the life cycle of Show Answer

Q577) Which of the following plant cells is not surrounded by a cell wall? Show Answer

Q578) Top-shaped multiciliate male gametes and the mature seed, which bears only one embryo with two
cotyledons, are characteristic features of Show Answer

Q579) Gametophytic and sporophytic phases are independent in Show Answer

Q580) Which has vascular tissue, produces spores, but does not has seeds? Show Answer

Q581) Blue-green algae has Show Answer

Q582) Which type of the rhizoids are present in Riccia? Show Answer

Q583) Identify the alga, which exhibits diplontic life cycle Show Answer

Q584) Gymnosperms are Show Answer

Q585) Which of the following plant does not have Rhizobium containing root nodules? Show Answer

Q586) Plants of this group are diploid and well adapted to extreme conditions. They grow bearing sporophylls in
compact structures called cones. The group in reference is Show Answer

Q587) After fertilisation the ovules develop into Show Answer

Q588) In comparition to pteridophyte, which one of the following algae exhibits diplontic life cycle? Show Answer

Q589) Which one of the following plants functions as symbolic nitrogen-fixing plant? Show Answer

Q590) Which of the following is autotrophic? Show Answer

Q591) In some pteridophytes, sporophyll form distinct compact structures called ...A… in …B… and …C… Here A, B
and C refers to Show Answer

Q592) Kelp (branched form) and Sargassam (filamentous form) belongs to Show Answer

Q593) In Chlamydomonas, the meiosis occurs in Show Answer

Q594) Consider the following statements
I. The plants have magnificent property of retaining water. They can with hold water two hundred times
more than their own weight. Hence, they are widely used by gardeners to keep cut plant parts moist
during transportation and propagation
II. These plants grow as semiaquatic or submerged in acidic marshes. The older portions of plant die but
do not decay due to peculiar germicidal properties
The above statements belongs to which of the following bryophitic plant? Show Answer

Q595) First vascular plant is Show Answer

Q596) Female cone of Pinus is a Show Answer

Q597) Algae include unicellular forms like …A…, filamentous like …B… and colonical forms like …C… . Here A, B
and C refer to Show Answer

Q598) The gametophyte of moss is Show Answer

Q599) Which of the following is not correctly matched? Show Answer

Q600) Consider the following statements
I. Hydropterides are only plant among the heterosporous pteridophytes that are leptosporangiate
II. Heterosporous pteridophytes were the first land flora of earth
III. The difference in size between microspore and megaspore in Seleginella kraussiana is 1:200
IV. Female gametophyte of Seleginella mostly have single archenogium
Which of the above statement are correct? Show Answer

Q601) Male sex organs in an angiospermic flower is Show Answer

Q602) Which of the following is an algal parasite? Show Answer

Q603) Mannitol is the stored food in Show Answer

Q604) Select the correct sequential arrangement of reproductive structures for pteridophytes Show Answer

Q605) In gymnosperms, the seeds are naked because they lack Show Answer

Q606) The relationship between the alga Microcystis and the surrounding fauna corresponds to Show Answer

Q607) Bryophytes resemble algae in the following aspect. Show Answer

Q608) Algae are also found in association with Show Answer

Q609) The bryophytes are divided into Show Answer

Q610) Consider the following statements
I. In red algae vegetative reproduction takes place by fragmentation
II. In red algae the food is stored as floridean starch, which is very similar to amylopectin and glycogen is
structure
III. Cell wall of red algae consists of chitin
Which of the statements given above are correct? Show Answer

Q611) In Selaginella, trabeculae are the modification of Show Answer

Q612) Which one of the following formed in Spirogyra is different based on its nucleus? Show Answer

Q613) During development of embryo in archegonium of Bryophyta, its posterior part form protective embryo
cover, which is called Show Answer

Q614) Ectocarpus, Dictyota, Laminaria, Sargassum and Fucus belongs to the class Show Answer

Q615) Sexual reproduction in Spirogyra is an advanced feature because it shows Show Answer

Q616) Buxbaumia aphylla is a classical example of Show Answer

Q617) Elater mechanism or spore dispersal is exhibited by Show Answer

Q618) Which of the following can be regarded as seedless vascular plants? Show Answer

Q619) Fern gametophyte shows …… nature. Show Answer

Q620) The peculiar feature of Marchantia palmata is Show Answer

Q621) Chlorophyll-a, chlorophyll-d and phycoerythrin are characteristics of class Show Answer

Q622) Ramenta is the characteristic of Show Answer

Q623) Sperm of Cycas is Show Answer

Q624) Archegoniophore is present in Show Answer

Q625) In Pinus, male cone bears a large number of Show Answer

Q626) Which one pair of examples will correctly represent the grouping spermatophyta according to one of the
schemes of classifying plants? Show Answer

Q627) Read carefully the following statements about pteridophytes
I. They are called vascular cryptogams
II. They produce spores rather than seeds
III. They are used for medicinal purposes
IV. They are used as soil binders
V. They are frequently grown as ornaments
Which of the statements given above are correct? Show Answer

Q628) Corolloid roots are found in Show Answer

Q629) Leaf in young condition in fern is called Show Answer

Q630) Both apospory and apogamy are observed in Pteris.
They are evident by the production of haploid sporophyte by apospory and diploid
gametophyte by apogamy. Show Answer

Q631) Red algae contributes in producing coral reefs.
Some red algae secrete and deposit calcium carbonate over their walls. Show Answer

Q632) In class-Rhodophyceae, cell wall is made up of cellulose
In class-Rhodophyceae flagellar number is two and position of insertion is lateral Show Answer

Q633) Lycopodium is heterosporous
Selaginella is homosporous Show Answer

Q634) Fertilization in Cycas in called zooidogamy
Fertilization in Cycas takes place by the formation of pollen tube. Show Answer

Q635) In Spirogyra, some cells in one of the two filaments become empty after conjugation.
The aplanogametes from the cells of one filament pass through the conjugation tubes into
the cells of the other filament. Show Answer

Q636) Certain marine brown and red algae produce large amounts of hydrocolloids
Algin and carrageenin are used commercially as water holding substance Show Answer

Q637) Conjugation is a temporary union between two ciliates belonging to two different mating
types for the exchange and reconstitution of nuclear materials.
Conjugation occurs between two inactive individuals which have gained their vigour and
vitality due to chromosomal imbalance in their macronuclei, caused by repeated amitotic
division. Show Answer

Q638) One male gamete fuses with egg to form zygote
This event is called syngamy Show Answer

Q639) The life cycle of Funaria is called diplohaplontic.
In Funaria , there is alternation of haploid gametophytic and diploid sporophytic phases,
one becoming parent of the other. Show Answer

Q640) Bryophytes are the amphibians of plant kingdom
They are found in swamps and the areas, where water and land meet Show Answer

Q641) The term Bryophyta was used first time by Brawn (1864)
He included algae, fungi, lichens and mosses in bryophytes Show Answer