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Reproduction in Organisms
Prepared by Dr. Darekar P. V.
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17. Given below are a few statements related to external fertilization. Choose the correct statements. i. The male and female gametes are formed and released simultaneously ii. Only a few gametes are released into the mediumiii. Water is the medium in a majority of organisms exhibiting external fertilization iv. Offspring formed as a result of external fertilization have better chance of survival than those formed inside an organism *
4 points
8. In which type of organism asexual reproduction is seen? *
4 points
12. The term ‘clone’ cannot be applied to offspring formed by sexual reproduction because: *
4 points
Which animal have developed capacity of regeneration? *
4 points
23. Choose the correct statement from amongst the following: *
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2. Sporulation occurs in ______. *
4 points
7. In which type of reproduction single parent is essential for reproduction. *
4 points
13. Asexual method of reproduction by binary fission is common to which of the following? i. Some eukaryotesii. All eukaryotes iii. Some prokaryotes iv. All prokaryotes Choose the correct option from the following: *
4 points
3. Which plant reproduce vegetatively by roots? *
4 points
4. How does Amoeba reproduce? *
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21. 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 iii. Asexual reproduction is common in higher groups of organisms iv. The high incidence of sexual reproduction in angiosperms and vertebrates Choose the correct answer from the options given below: *
4 points
15. 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 *
4 points
18. The statements given below describe certain features that are observed in the pistil of flowers.i. Pistil may produce more than one seed 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: *
4 points
19. 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 stationaryiii. Both the angiosperm egg and human egg are mobile iv. Syngamy in both results in the formation of zygote Choose the correct answer from the options given below: *
4 points
10. This is the method by which bacteria reproduce. *
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5. In which method of asexual reproduction the division of cytoplasm is not possible? *
4 points
6. In which method of asexual reproduction the off spring’s are genetically identical, to the parents? *
4 points
22. Offspring formed by sexual reproduction exhibit more variation than those formed by Asexual reproduction because: *
4 points
11. A few statements describing certain features of reproduction are given below: i. Gametic fusion takes placeii. 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: *
4 points
9. Having two copies of each chromosome *
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14. 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 reproductionChoose the correct statements from the options below: *
4 points
16. 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, *
4 points
24. There is no natural death in single celled organisms like Amoeba and bacteria because: *
4 points
20. Appearance of vegetative propagules from the nodes of plants such as sugarcane and ginger is mainly because: *
4 points
25. There are various types of reproduction. The type of reproduction adopted by an organism depends on: *
4 points
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