Practice Test

Q1) Reproduction is essential for living organisms in order to Show Answer

Q2) A feature of reproduction that is common to Amoeba, Spirogyra and Yeast are that Show Answer

Q3) In Spirogyra, asexual reproduction takes place by Show Answer

Q4) The ability of a cell to divide into several cells during reproduction in Plasmodium is called Show Answer

Q5) Factors responsible for the rapid spread of bread mould on slices of bread are
1) Large number of spores.
2) availability of moisture and nutrients in bread.
3) presence of tubular branched hyphae.
4) formation of round shaped sporangia. Show Answer

Q6) In the list of organisms given below, those that reproduce by the asexual method are
1) Banana
2) Dog
3) Yeast
4) Amoeba Show Answer

Q7) Offspring formed by asexual method of reproduction have greater similarity among themselves because
1)asexual reproduction involves only one parent.
2) asexual reproduction does not involve gametes.
3) asexual reproduction occurs before sexual reproduction.
4) asexual reproduction occurs after sexual reproduction. Show Answer

Q8) Vegetation propagation refers to formation of new plants from Show Answer

Q9) Asexual reproduction takes place through budding in Show Answer

Q10) Which of the following are examples of vegetation reproduction in plants? Show Answer

Q11) In a flower, the parts that produce male and female gametes (germ cells) are Show Answer

Q12) Which of the following is the correct sequence of events of sexual reproduction in a flower? Show Answer

Q13) The correct sequence of reproduction stages seen in flowering plants is Show Answer

Q14) Which of the following statements are true for flowers?
1) Flowers are always bisexual.
2) They are the sexual reproductive organs.
3) They are produced in all groups of plants.
4) After fertilization they give rise to fruits. Show Answer

Q15) A student while observing an embryo of a gram seed listed various parts of the embryo as listed below: Testa, Micropyle, Cotyledon, Tegmen, Plumule, Radicle.
On examining the list the teacher commented that only three parts are correct. Select these three correct parts: Show Answer

Q16) Characters that are transmitted from parents to offspring during reproduction show Show Answer

Q17) Length of pollen tube depends on the distance between Show Answer

Q18) The number of chromosomes in parents and offspring of a particular species remain constant due to Show Answer

Q19) During adolescence, several changes occur in the human body. Mark one change associated with sexual maturation in boys. Show Answer

Q20) In human females, an event that reflects onset of reproductive phase is Show Answer

Q21) In human males, the tests lie in the scrotum, because it helps in the Show Answer

Q22) Which among the following is not the function of testes at puberty?
1) Formation of germ cells
2) Secretion of testosterone
3) Development of placenta
4) Secretion of estrogen Show Answer

Q23) Which of these statement is correct about reproduction? Show Answer

Q24) The correct sequence of organs in the male reproductive system for transport of sperms is Show Answer

Q25) Which among the following diseases is not sexually transmitted? Show Answer

Q26) Which of the following is not a part of the female reproductive system in human beings? Show Answer

Q27) Directions : In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R) . Mark the correct choice as.
Assertion (A): Amoeba reproduces by binary fission.
Reason (R): All unicellular organisms reproduce asexually. Show Answer

Q28) Directions : In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R) . Mark the correct choice as
Assertion (A): Plants are vegetatively propogated even though they bear seeds.
Reason (R): Potatoes reproduces through tubers, apples by cutting etc. Show Answer

Q29) Directions : In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R) . Mark the correct choice as.
Assertion (A): Characteristics of parental plants can be preserved through asexual reproduction.
Reason (R): Vegetative reproduction involves only mitosis. Show Answer

Q30) Directions : In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R) . Mark the correct choice as.
Assertion (A): Plasmodium reproduces by multiple fission.
Reason (R): Multiple fission is a type of asexual reproduction. Show Answer

Q31) Directions : In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R) . Mark the correct choice as.
Assertion (A): DNA copying is necessary during reproduction.
Reason (R): DNA copying leads to the transmission of characters from parents to offspring. Show Answer

Q32) Directions : In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R) . Mark the correct choice as.
Assertion (A): An embryo is formed fertilized egg.
Reason (R): A monocot embryo comprises embryonal axis with two cotyledons. Show Answer

Q33) Directions : In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R) . Mark the correct choice as.
Assertion (A): Unisexual flowers have separate male and female whereas a typical monocot embryo comprises an embryonal axis with single cotyledon.
Reason (R): Cucumber, pumpkin ans watermelon are example of unisexual flowers. Show Answer

Q34) Directions : In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R) . Mark the correct choice as.
Assertion (A): Double fertilisation is unique to angiosperms.
Reason (R): Triple fusion occurs in asexual reproduction. Show Answer

Q35) Directions : In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R) . Mark the correct choice as
Assertion (A): Fertilization results in formation of zygote.
Reason (R): Zygote divides several times to form an embryo. Show Answer

Q36) Directions : In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R) . Mark the correct choice as.
Assertion (A): Sexual reproduction increases genetic diversities and plays a role in origin of new species.
Reason (R): Sexual reproduction involves formation of gametes and fusion of gametes. Show Answer

Q37) Directions : In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R) . Mark the correct choice as.
Assertion (A): In human male, testes are extra-abdominal organs which are present inside scrotum.
Reason (R): Scrotum has a relatively lower temperature needed for the production and storage of sperms. Show Answer

Q38) Directions : In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R) . Mark the correct choice as.
Assertion (A): At puberty, in boys, voice begins to crack and thick hair grows on face.
Reason (R): At puberty, there is decreased secretion of testosterone in boys. Show Answer

Q39) Directions : In the following questions, A statement of Assertion (A) is followed by a statement of Reason (R) . Mark the correct choice as.
Assertion (A): Surgical methods are most effective methods of contraception.
Reason (R): Surgical method blocks gametes transport and hence prevent fertilization. Show Answer

Q40) What are common signs of sexual maturation in boys is: Show Answer

Q41) Common sign of sexual maturation in girls is: Show Answer

Q42) Which contraceptive method changes the hormonal balance of the body? Show Answer

Q43) Write two factors that determine the size of a population. Show Answer

Q44) What should be maintained for a healthy society? Show Answer

Q45) Identify the above process Show Answer

Q46) Which organism uses the above method for reproduction? Show Answer

Q47) An organism capable of reproducing by two asexual reproduction methods one similar to the reproduction in yeast and the other similar to the reproduction in Planaria is: Show Answer

Q48) A planaria worm is cut horizontally in the middle into two halves P and Q such that the part P contains the whole head of the worm. Another Planaria worm is cut vertically into two halves R and S in such a way that both the cut pieces R and S contain half head each. Which of the cut pieces of the two Planaria worms could regenerate to form the complete respective worms? Show Answer

Q49) Among the following select the statements that are true regarding the sexual reproduction in flowering plants?
1) fertilization is a compulsory event
2) It always results in the formation of zygote
3) Offsprings formed are clones
4) it requires two types of gametes. Show Answer

Q50) Which of these organisms divides by the above process? Show Answer

Q51) In multiple fission: Show Answer

Q52) Which of the following statement is correct about the about type of reproduction? Show Answer

Q53) Which of these statements is correct about the fission in Leishmania? Show Answer

Q54) Which of these are the characteristics of vegetative reproduction?
1) Involves two individuals
2) Daughter cells are genetically identical to the parent
3) The cell division is only mitotic Show Answer

Q55) The above diagram depicts: Show Answer

Q56) 'Blobs' that develop at the tips of the non-reproductive thread is known as: Show Answer

Q57) The thread like non-reproductive structures is: Show Answer

Q58) On maturation sporangia of given organism bursts and releases: Show Answer

Q59) Which of these plants reproduces in the same way as the given process? Show Answer

Q60) The labels A, B and C are Show Answer

Q61) Which of these is the function of part labelled as C? Show Answer

Q62) When an insect sits on the flower of a plant then some particles from the little stalks in the flowers stocks in its body and when this insect sits on the flower of another plant, the particles get deposited in that flower. What are these particles? Show Answer

Q63) Which of these events does not take place after fertlisation? Show Answer

Q64) The part labelled as A in the diagram is: Show Answer

Q65) Which of the following statements is incorrect about pollination? Show Answer

Q66) The importance of the pat 'C' is: Show Answer

Q67) What happens to the pat marked 'D' after fertilization is over? Show Answer

Q68) Choose the incorrect statements about the reproductive system of a plant? Show Answer

Q69) The part labelled as A is: Show Answer

Q70) The role of pat labelled as B is: Show Answer

Q71) How many male gametes are produced by each pollen grain? Show Answer

Q72) What happens to the label A which falls on a suitable stigma? Show Answer