Practice Test


Q1) The first microscope was invented by Show Answer


Q2) Which one of the following microscope can be used for studying unstained and dividing cells ? Show Answer


Q3) Electron microscope was invented by Show Answer


Q4) Scientist to first employ magnifying glass for studying living being was Show Answer


Q5) Which one combination of eye piece and objective would have wildest field ? Show Answer


Q6) A homogenised solution is kept at a temperature of Show Answer


Q7) For studying RNA synthesis, the radioactive intermediate used is Show Answer


Q8) Which one is a new structure obtained during cell fractionation Show Answer


Q9) Svedberg unit is for Show Answer


Q10) Get used in gel filtration chromatography is Show Answer


Q11) The base material used in electrophoresis is Show Answer


Q12) Microspectrophotometry analyses chemicals with the help of Show Answer


Q13) Stop-disc is used in the microscope for Show Answer


Q14) Fluorescent microscope use Show Answer


Q15) The classroom technique used in pigments from a pigment solution is Show Answer


Q16) Rickets is a disease caused by deficiency of Show Answer


Q17) Cell was discovered by Show Answer


Q18) Cell theory was further modified by Show Answer


Q19) Who proposed protoplasmic theory as opposed to cell theory ? Show Answer


Q20) Myopia is a term related to disease of the Show Answer


Q21) Morphogrnesis in tissue culture was discovered by Show Answer


Q22) In animals, cellular totipotency has been restricted only to Show Answer


Q23) Cells capable of division are Show Answer


Q24) Large cells have Show Answer


Q25) Which is correct about cell theory in view of current status of our knowledge about cell structure. Show Answer


Q26) Cellular totipotency means Show Answer


Q27) Protoplasm forms ___ percentage of total weight of the body. Show Answer


Q28) Which one is an exception to cell theory ? Show Answer


Q29) Which of the following statements is false ? Show Answer


Q30) One of the following is anucleate Show Answer


Q31) Cell vacuole contains Show Answer


Q32) Bacteria have cell membrane made of Show Answer


Q33) RNA is absent in Show Answer


Q34) Dictyosomes are Show Answer


Q35) Peroxisomes possess Show Answer


Q36) Nucleolus is formed of Show Answer


Q37) An outer covering membrane is absent over Show Answer


Q38) Karyolymph is Show Answer


Q39) Protein synthesis occurs in an animal cell in Show Answer


Q40) Cell cycle was discovered by Show Answer


Q41) Which one is the longest phase of cell cycle ? Show Answer


Q42) In meiosis, chromosome replication occurs during Show Answer


Q43) Crossing over occurs in meiosis during Show Answer


Q44) Chromosomes normally occurs as homologous pairs in Show Answer


Q45) Which one occurs once in life cycle ? Show Answer


Q46) Which of the following present on the surface of plasma membrane is involved in cell recognition and adhesion Show Answer


Q47) Amitosis was described by Show Answer


Q48) Inulin is extracted from roots of Show Answer


Q49) Which of the following is nonliving substance formed by Protoplasm during metabolism. Show Answer


Q50) Nature of protoplasm is best explained by Show Answer


Q51) Sol-gel conversion of protoplasm is due to Show Answer


Q52) Which substances deposited in secondary wall check transpiration Show Answer


Q53) Ribosomes are absent in Show Answer


Q54) Which of the following plastid is not interconvertible to other plastids ? Show Answer


Q55) Cell organelle that can replicate but has no DNA Show Answer


Q56) Raphides are crystal of Show Answer


Q57) Which of the following is commercially used as jellying agent in making Jams. Show Answer


Q58) Which of the following is widely used sweetener by diabetics Show Answer


Q59) Protein found in spider web is Show Answer


Q60) The presence of competitive inhibitor Show Answer


Q61) Cell cycle is slowest in Show Answer


Q62) In which stage is chiasmata observed under microscope ? Show Answer


Q63) What is untrue about significance or need for meiosis II Show Answer


Q64) Which one of them is not a mitotic poison ? Show Answer


Q65) Full spindle formation occurs in Show Answer


Q66) Cell without organised nucleus is found in Show Answer


Q67) Who proposed cell theory ? Show Answer


Q68) In which one extra nuclear DNA is found in ? Show Answer


Q69) Through which cell organelle, cell activities are controlled by ? Show Answer


Q70) Which substance is found in middle lamella ? Show Answer


Q71) Which of the following is characterised by cell wall ? Show Answer


Q72) 80 S ribsomes have subunits of Show Answer


Q73) Mitochondria are absent in Show Answer


Q74) Smallest plant cell is of Show Answer


Q75) Cellulose is used as food by Show Answer


Q76) Oxysomes are found in Show Answer


Q77) The colourless plastids which are found in storage food is Show Answer


Q78) Pigment absent in chloroplast is Show Answer


Q79) Which of the following is related with cristae ? Show Answer


Q80) 'Omnis Cellula e Cellula' was the statement of Show Answer


Q81) Chloroplast without grana are called Show Answer


Q82) Which cell organelle is known as power house of cell ? Show Answer


Q83) In which type of division synapsis occur ? Show Answer


Q84) Pachytene occurs during Show Answer


Q85) Chiasmata formation occurs during Show Answer


Q86) The nuclear membrane disappear in mitosis, at Show Answer


Q87) The cellular structure which always disappear during mitosis is Show Answer


Q88) The duplication of chromosome occurs in mitosis during Show Answer


Q89) Karyokinesis means division of Show Answer


Q90) In meiosis, bivalent condition of chromosomes occurs in Show Answer


Q91) In meiosis, terminalisation almost completed in Show Answer


Q92) Which type of cell division occurs in somatic cells? Show Answer


Q93) Which type of cell division occurs in reproductive cells ? Show Answer


Q94) In yeast, which type of cell division occurs ? Show Answer


Q95) In algae, which type of cell division occurs ? Show Answer


Q96) In mitosis, spindle formation occurs in Show Answer


Q97) In animal which type of cytokinesis occurs ? Show Answer


Q98) Which of the following is not related to DNA ? Show Answer


Q99) An adenine pairs with Show Answer


Q100) Circular DNA is found in Show Answer


Q101) Double standed RNA is found in Show Answer


Q102) Which type of RNA is the smallest ? Show Answer


Q103) Nucleotides are composed of Show Answer


Q104) Genes are segments of Show Answer


Q105) Nitrogenous base lacks Show Answer


Q106) 'T' form of DNA is present in Show Answer


Q107) Consider the following statements regarding the living cell.
(I) The golgi apparatus links carbohydrates with proteins to form glycoproteins.
(II) In plants, the golgi complex synthesis pectin.
(III) The lysosomes store the hydrolysing enzymes.
Which of these statements is/are correct ? Show Answer


Q108) The largest somatic chromosome number, 1262 has been recorded in Show Answer


Q109) Which one of the following groups of organisms is of prokaryotes ? Show Answer


Q110) The chromosome theory of inheritance was first postulated by Show Answer


Q111) The process by which DNA gives rise to RNA is known as Show Answer


Q112) The enzymes that are used as molecular scissors to cut DNA at specific sites for various purposes in genetic engineering are Show Answer


Q113) The total genetic material within an individual is known as the Show Answer


Q114) ASSERTION :
Cells are functional unit of life.
REASON :
Cells are totipotent. Show Answer


Q115) ASSERTION :
Mitochondria is an important cell organelle of both eukayotes and prokaryotes.
REASON :
They are called power-house. Show Answer


Q116) ASSERTION :
DNA serves as hereditary material.
REASON :
DNA functions as blue print for building and running cellular machinery. Show Answer


Q117) Which one of the following statement is correct ? Show Answer


Q118) Which of the following contain enzymes for cellular respiration ? Show Answer


Q119) Which one of the following are reservoirs of hydrolytoc enzymes ? Show Answer


Q120) Who proposed the name meiosis ? Show Answer


Q121) Consider the following statements regarding osmosis in animal cells
(I) If the water potential of the solution surrounding the cell is too high, the cell shrinks.
(II) If the water potential of the solution surrounding the cell is too low, the cell swells and bursts.
(III) It is important to maintain a constant water potential inside the animal body.
(IV) In animal cells, water potential for exceeds the solute potential.
Which of the statements given above is/are correct ? Show Answer


Q122) Cell membrane is selectively permeable because Show Answer


Q123) Which of the following group is present in animal cells ? Show Answer


Q124) Which one among the following all orgenelles is semi-permeable ? Show Answer