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33, Reproduction in Organisms, 4 Chlamydomonas, 5 Paramecium, MATCH THE COLUMN TYPE QUESTIONS, D Paedogamy, E Hologamy, 1. Match column I with column II and select the correct, option., (a) A = 4, B= 1, C=5, D 3, E=2, (b) A = 3, B = 5, C=2, D= 4, E = 1, (c) A = 4, B = 3, C=2, D= 5, E 1, (d) A = 5, B = 3,C=4, D 2, E= 1, 5. Match column I with column II and select the correct, option., Columu I, Column II, (Vegetative Propagules), (Organisms), 1 Zingiber, A Eyes, B Rhizome, 2 Bryophyllum, C Bulbil, D Leaf buds, 3 Eichhornia, Column I, Column II, 4 Solanum, A Paedogamy, 1 Fasciola, E Offset, 5 Agave, 2 Protists, B Parthenocarpy, (a) A = 4, B = 3, C= 5, D 1, E = 2, (b) A = 5, B = 3, C= 2, D= 4, E = 1, (c) A = 4, B = 1, C= 5, D 2, E = 3, (d) A = 2, B = 3, C= 4, D 5, E= 1, 2. Match column I with column II and select the correct, option., C Polyembryony, 3 Salamander, D Neoteny, 4 Banana, E Microgamy, 5 Armadillo, (a) A = 3, B = 4, C= 5, D 1, E= 2, (b) A = 1, B = 4, C = 5, D = 3, E=2, (c) A = 2, B = 5, C= 4, D 1, E=3, (d) A 2, B 3, C=4, D 5, E =1, 6. Match column I with column II and select the correct, option., Column I, Column II, Ma, A Zoospores, B Conidia, 1 Rhizopus, 2 Sponge, C Buds, 3 Penicillium, Column I, Colunin II, D Gemmules, 4 Hydra, A Bisexual flower, 1 Chara, E Sporangiospores, 5 Chlamydomonas, B Bisexual animal, 2 Pheretima, (a) A = 3, B = 4, C 5, D 3, E =2, (b) A = 5, B = 3, C= 4, D 2, E= 1, (c) A = 2, B = 5, C= 4, D 1, E=3, (d) A = 5, B = 3, C=4, D= 1, E=2, 3. Match column I with column II and select the correct, option., C Unisexual animal, D Monoecious plant, E Dioecious plant, 3 Marchantia, 4 Ipomоea, 5 Periplaneta, (a) A = 3, B = 2, C= 5, D 1, E 4, (b) A = 4, B = 3, C= 2, D 5, E = 1, (c) A = 2, B = 5, C = 4, D 1, E= 3, (d) A = 4, B = 2, C = 5, D 1, E 3, 7. Match the following and choose the correct combination, from the options given:, Column 1, Column II, A Runners, 1 Allium, B Suckers, 2 Grass, C Offsets, 3 Mentha, Column I, Column II, D Bulbs, 4 Strawberry, (Organisms), (Aproximate life span), E Stolons, 5 Pistia, A Butterfly, 1 60 years, (a) A = 5, B = 3, C = 2, D= 4, E = 1, (b) A = 2, B = 5, C= 4, D 1, E= 3, (c) A = 2, B = 3, C= 4, D= 5, E = 1, (d) A = 2, B = 3, C=5, D 1, E=4, 4. Match column I with column II and select the correct, option., B Crow, 2 140 years, C Parrot, 3 15 years, D Crocodile, 41-2 weeks, (Kerala PMT 2012), (a) A 1, B= 2, C= 3, D=4, (b) A = 4, B = 3, C 1, D=2, (c) A 2, B= 3, C 4, D 1, (d) A 3, B= 2, C 1, D=4, (e) A = 4, B = 3, C=2, D=1, Column I, Column II, A Isogamy, B Anisogamy, C Autogamy, 1 Fucus, 2 Saccharomyces, 3 Axoloti
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young one inside the body of the female organism., 8. In Paramecium the meganucleus divides by mitoss, new individual without fusion with another reproduct, 16. The terminal irreversible stage of ageing is callet, 10. Spore is a reproductive cell capable of developing into, is a specialised overwintering, 19. Sponges, tapeworms, earthworms and leeches a, is the attainment of sexual maturity by, covered by hard calcareous shell; such eggs are temel, 9. Epimorphosis is the regeneration in which cel, 17. The most important event of sexual reproduction is, GRB New Era, Biology, Clas, 34, 8. Match the vegetative propagules listed under column I, with the plants given under column II and choose the, appropriate option from the given choices., 14. A, produced by some aquatic plants., 15. The onset of sexual maturity is termed, human beings., Repro, Column II, Column I, A Rhizome, B Offset, 1 Agave, 2 Bryophyllum, fusion of gametes called, animals, the zygote develops in, C Sucker, 3 Ginger, 18. In, 4 Chrysanthemum, 5 Eichhornia, D Leaf buds, 20, animals., 20., organism still in its larval stage., (Karnataka CET 2014), (a) A = 3, B = 5, C 4, D 2, (b) A = 3, B = 4, C 1, D 2, (c) A = 2, B = 1, C= 5, D= 4, (d) A = 4, B = 5, C= 2, D= 3, ANSWERS, 1. species, 2. seeds, spores, 3. Ferns, mushrooms, 4, 5. stem cuttings, 6. underground stems, 7. flo, 8. young plants, 9. water hyacinth, 10. clones, 1, fission, 12. schizogony, merozoites, 13. gemma, 14.tur, 15. puberty,, 18. viviparous, 19. hermaphrodite, 20. Neoteny., 1., ANSWERS, 16., senescence,, 17. fertilisatie, 2., 1. (c), 6. (d), 2. (b), 3. (d), 4. (a), 5. (b), 7. (e), 8. (a), O True or False Statements, MISCELLANEOUS QUESTIONS, State whether the following statements are True, or False (F), 1. The period from birth to the adulthood of an organismi, known as its life span., 2. Reproduction is a biological process in which, organism give rise to young ones similar to itself., 3. Evolutionary point of view sexual reproduction appearst, before asexual reproduction., 4. Vegetative propagation is a form of sexual reproduct, in plants., 5. Rhizomes are the modified stems which have may, and sufficient stored food., 3., O Fill in the blanks, 1. Plant reproduce to ensure the survival of their, 2. Plants reproduce through, suckers, stem cutting, leaves and underground stem., 3., and., produce millions of tiny, spores., 4. Bryophyllum and Begonia plants reproduce from, 5. Tapioca and Hibiscus plants reproduce from, bus, 6. Ginger plants reproduce from, 7. The, in them., 8. When seeds are planted, they will grow into seedlings, 6. In angiosperms the unisexual female flower is stamina, 7. Animals like reptiles and birds, the fertilised ege, will become fruits that contain seeds, cleidoic eggs., and then into, 9. Eichhornia crassipes, is commonly known as, while micronucleus divides by amitosis., 10. The morphologically and genetically identical, individuals produced by asexual reproduction is termed, proliferation precedes differentiation., as, the most common type of asexual, 11., reproduction., 12. The multiple fission in RBCS of man is termed, cell., resulting in, the production of, ANSWERS, 1. F, 13. Some plants have specialized structures for reproduction, via fragmentation, such as, 4. F 5 T, 10. T, 2. T, 3. F, 8. F, 6. F, 7. T, in liverworts., 9. T
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35, Reproduction in Organisms, MULTIPLE CHOICE QUESTIONS, ASSERTION AND REASON, TYPE QUESTIONS, The following questions consist of two statements, one, labelled as Assertion (A) and the other labelled the, Reason (R). Examine these two statements carefully and, select the most appropriate answer codes., Answer Codes:, (a) Both (A) and (R) are true and (R) is the correct, explanation of (A)., 1. A few statements describing certain features of, reproduction are given below:, i. Gametic fusion takes place, ii. Transfer of genetic material takes place, iii. Reduction division takes place, iv. Progeny have some resemblance with parents, Select the options that are true for both asexual and, sexual reproduction from the options given below:, (NCERT Exemplar), (b) Both (A) and (R) are true and (R) is not the correct, explanation of (A)., (c) (A) is true and (R) is false., (d) Both (A) and (R) are false., 1. Assertion (A): Asexual reproduction is common among, unicellular plants and animals with simple organisation., Reason (R): This mode of reproduction imparts greater, variation among progenies., 2. Assertion (A): In many algae and fungi, zygote, develops a thick wall that is resistant to desiccation and, damage., Reason (R): Zygote undergoes a period of rest before, germination., 3. Assertion (A): The fastest method to obtain clones is, through parasexual hybridization., Reason (R): Clones are a group of, non-identical individuals., 4. Assertion (A): Asexual reproduction is an elaborate,, complex and slow process as compared to sexual, reproduction., Reason (R): It is commonly found in higher animals and, plants., 5. Assertion (A): Offsprings of oviparous animals are at, greater risk as compared to offsprings of viviparous, animals., Reason (R): Proper embryonic care and protection is, lesser., (b) ii and iii, (d) i and iii, (a) i and ii, (c) ii and iv, 2. The term 'clone' cannot be applied to offspring formed, by sexual reproduction because:, (a) Offspring do not possess exact copies of parental, DNA., (NCERT Exemplar), (b) DNA of only one parent is copied and passed on to, the offspring., (c) Offspring are formed at different times., (d) DNA of parent and offspring are completely, different., 3. Amoeba and yeast reproduce asexually by fission and, budding respectively, because they are:, (NCERT Exemplar), genetically, (a) unicellular organisms, (b) uninucleate organisms, (c) microscopic organisms, (d) heterotrophic organisms, 4. A few statements with regard to sexual reproduction are, given below:, i. Sexual reproduction does not always require two, individuals., ii. Sexual reproduction generally involves gametic, fusion., iii. Meiosis never occurs during sexual reproduction., iv. External fertilisation is a rule during sexual, reproduction., Choose the correct statements from the options below:, 6. Assertion (A): Syngamy is the union of gametes, producing zygote during sexual reproduction., Reason (R):Zygote is a vital link that ensures continuity, of species., 7. Assertion (A): The egg of frog is moderately, telolecithal., Reason (R): Sooner or later the cleavage pattern, becomes irregular., (NCERT Exemplar), (b) i and ii, (d) i and iv, (a) i and iv, (c) ii and iii, 5. A multicellular, filamentous alga exhibits a type of, sexual life cycle in which the meiotic division occurs, after the formation of zygote. The adult filament of this, alga has:, (a) Haploid vegetative cells and diploid gametangia, (b) Diploid vegetative cells and diploid gametangia, (c) Diploid vegetative cells and haploid gametangia, (d) Haploid vegetative cells and haploid gametangia, (Karnataka CET 2013), ANSWERS, (NCERT Exemplar), 2. (a), 7. (b), 1. (c), 3. (d), 4. (d), 5. (a), 6. (b)
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GRB New Era Biology: Class-XII, 36, 6. The male gametes of rice plant have 12 chromosomes in, their nucleus. The chromosome number in the female, gamete, zygote and the cells of the seedling will be,, respectively:, (a) 12, 24, 12, (c) 12, 24, 24, 7. Given below are a few statements related to external, fertilisation. Choose the correct statements., iii. Asexual reproduction is common in higher groups of, organisms., iv. The high incidence of sexual reproduction occurs in, angiosperms and vertebrates., Choose the correct answer from the options given below, (NCERT Exemplar), (b) 24, 12, 12, (d) 24, 12, 24, (NCERT Exemplar), (b) i and ii, (d) ii and iii, (a) i and iii, (c) ii and iv, 12. Offspring formed by sexual reproduction exhibit more, variation than those formed by asexual reproduction, i. The male and female gametes are formed and, released simultaneously., ii. Only a few gametes are released into the medium., iii. Water is the medium in a majority of organisms, exhibiting external fertilisation., iv. Offspring formed as a result of external fertilisation, have better chance of survival than those formed, because:, (NCERT Exemplar), (a) Sexual reproduction is a lengthy process., (b) Gametes of parents have qualitatively different, genetic composition., (c) Genetic material comes from parents of two different, species., (d) Greater amount of DNA is involved in sexual, reproduction., inside an organism., (a) iii and iv, (c) ii and iv, 8. The statements given below describe certain features that, are observed in the pistil of flowers., i. Pistil may have many carpels., ii. Each carpel may have more than one ovule., iii. Each carpel has only one ovule, iv. Pistil have only one carpel, Choose the statements that are true from the options, below:, (a) i and ii, (c) ii and iv, 9. Which of the following situations correctly describe the, similarity between an angiosperm egg and a human egg?, i. Eggs of both are formed only once in a lifetime., ii. Both the angiosperm egg and human egg are, stationary., iii. Both the angiosperm egg and human egg are motile, transported., iv. Syngamy in both results in the formation of a zygote., Choose the correct answer from the options given below:, (NCERT Exemplar), (b) i and iii, (d) i and iv, 13. Choose the correct statement from amongst the, following:, (a) Dioecious (hermaphrodite) organisms are seen only, in animals., (NCERT Exemplar), (b) Dioecious organisms are seen only in plants., (c) Dioecious organisms are seen in both plants and, animals., (NCERT Exemplar), (b) i and iii, (d) iii and iv, (d) Dioecious organisms are seen only in vertebrates., 14. There is no natural death in single celled organisms like, Amoeba and bacteria because:, (a) They cannot reproduce sexually., (b) They reproduce by binary fission., (c) Parental body is distributed among the offspring., (d) They are microscopic., 15. There are various types of reproduction. The type of, reproduction adopted by an organism depends on:, (NCERT Exemplar), (NCERT Exemplar), (a) morphology of the organism, (b) the habitat and morphology of the organism, (c) morphology and physiology of the organism, (d) the organism's habitat, physiology and genetic, make-up, 16. Identify the incorrect statement:, (a) In asexual reproduction, a single parent produces, offspring with or without the formation of gametes., (b) In asexual reproduction, the offspring produced are, morphologically and genetically identical to the, parent., (c) Zoospores are sexual reproductive structures, (d) Conidia are asexual structures in Penicillium., 17. The number of chromosomes in the shoot tip cells ol a, maize plant is 20. The number of chromosomes in he, microspore mother cells of the same plant shall be:, (NCERT Exemplar), (b) iv only, (d) i and iv, (a) ii and iv, (c) iii and iv, 10. Appearance of vegetative propagules from the nodes of, plants such as sugarcane and ginger is mainly because:, (NCERT Exemplar), (NCERT Exemplar), (a) Nodes have meristematic cells., (b) Nodes are located near the soil., (c) Nodes are shorter than internodes., (d) Nodes have non-photosynthetic cells., 11. Which of the following statements, support the view that, elaborate sexual reproductive process appeared much, later in the organic evolution?, i. Lower groups of organisms have simpler body, design., ii. Asexual reproduction is common in lower groups., (NCERT Exemplar)
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37, Reproduction in Organisms, 33. Bryophyllum is a classical example of vegetative, propagation by:, (a) roots, (c) flower buds, 34. Which one of the following is correctly matched?, (b) 10, (d) 15, (a) 20, (c) 40, 18. Which of the following is a post-fertilisation event in, flowering plants?, (a) Formation of flower, (b) Embryo development, (c) Transfer of pollen grains, (d) Formation of pollen grains, 19. Asexual reproduction results in:, (a) rapid increase in number(b) little genetic variability, (c) production of clones, 20. Asexual reproduction takes place by:, (a) budding, (c) spore formation, 21. One of the most fundamental characteristics of life is:, (a) growth, (c) reproduction, 22. Binary fission occurs in:, (а) Атоeba, (c) Planaria, 23. Binary fission is a form of:, (a) asexual reproduction, (c) both of these, 24. Transverse binary fission occurs in:, (a) Hydra, (c) Paramecium, 25. Which of the following animals is having longitudinal, binary fission?, (a) Hydra, (c) Planaria, (e) Paramecium, 26. Multiple fission occurs in:, (a) Hydra, (c) Plasmodium, 27. Which one of the following is concerned with asexual, reproduction?, (a) Spores, (c) Zygotes, 28. Which type of reproduction is most common in Hydra?, (a) Cracking, (c) Parthenogenesis, 29. Hydra reproduces by budding. This is an example of:, (b) leaves, (d) stem cutting, (NCERT Exemplar), (AIPMT 2012), Bulb, Sucker, (a) Onion, (b) Ginger, (c) Yeast, (d) Chlamydomonas, 35. In ginger, vegetative propagation occurs through:, Zoospores, Conidia, (d) all of these, (AIPMT 2015), (b) binary fission, (d) all of these, (a) Offsets, (c) Rhizome, 36. Modified stem present in Gladiolus is:, (b) Bulbils, (d) Runners, (Odisha JEE 2004), (b) movement, (b) Corm, (d) Rhizome, (a) Bulb, (c) Bulbil, 37. The eyes of potato tuber are:, (a) root buds, (c) flower buds, 38. Find out the wrongly matched pair:, (d) fragmentation, (AIPMT 2011), (b) Euglena, (d) All of these, (b) shoot buds, (d) axillary buds, (СРМТ 2003), (b) sexual reproduction, (d) none of these, (Kerala PMT 2010), Potato, (a) Tubers, (b) Rhizome, (c) Bulbils, (d) Leafbuds, (e) Offset, 39. Clones can be obtained by:, (a) apospory, (c) арomixis, 40. Sexual reproduction leads to:, (DPMT 2007), Ginger, Agave, Banana, Water hyacinth, (b) Euglena, (d) Amoeba, (Kerala PMT 2007), (b) Euglena, (d) Plasmodium, (b) apogamy, (d) micropropagation, (b) Planaria, (d) All of these, (VMMC-Safdarjung 2007), (b) polyploidy, (d) genetic recombinatiofn, (a) euploidy, (c) aneuploidy, 41. A species in which the individual possesses both male, and female reproductive systems is termed:, (a) diploid, (c) hermaphroditic, 42. Gonads are derived from:, (a) ectoderm, (c) endoderm, 43. Germinal epithelium is:, (a) cuboidal, (c) columnar, 44. Fusion of gametes is termed:, (a) hemixis, (c) cytogamy, 45. Isogametes are:, (a) sterile, (c) morphologically similar (d) none of these, 46. Isogamy is found in:, (a) Hydra, (c) Planaria, (b) Gonads, (d) Gametes, (b) dioecious, (d) parthenogenetic, (b) Budding, (d) Sexual reproduction, (b) mesoderm, (d) none of these, (Odisha JEE 2009), (b) parthenocarpy, (d) sexual reproduction, (b) sensory, (d) squamous, (a) regeneration, (c) asexual reproduction, 30. Gemmulation is a mode of reproduction in:, (a) marine sponges, (c) marine cnidarians, 31. Vegetative propagation takes place through adventitious, roots in:, (a) Bryophyllum, (c) Ipomoea batata, 32. Mentha plant grows profusely by forming:, (a) suckers, (c) creepers, (b) freshwater sponges, (d) freshwater cnidarians, (b) syngamy, (d) karyogamy, (b) functionally similar, (b) Beta vulgaris, (d) Raphanus sativus, (b) Monосуstis, (d) Plasmodium, (b) runners, (d) twiners
