This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 1 Reproduction In Organisms – Quiz 24 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 1 Reproduction In Organisms Quiz 24 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If the number of chromosomes in meiocyte of Apple is 34, then the number of chromosomes in its gamete will be A) 8. B) 17. C) 34. D) 68. Show Answer Correct Answer: B) 17. 2. Roots are used in vegetative propagation ofanswer choices A) Ginger. B) Sweet potato. C) Chrysanthemum. D) Potato. Show Answer Correct Answer: B) Sweet potato. 3. Read the following statements about asexual reproduction and select the correct ones. (i) It involves a single parent. (ii) It is slower than sexual reproduction. (iii) It produces progeny that are genetically identical with the parent but not with one another. (iv) The progeny of asexual reproduction can be termed as clones. A) (i) and (ii). B) (i) and (iv). C) (ii) and (iii). D) (i), (iii) and (iv). Show Answer Correct Answer: C) (ii) and (iii). 4. Which of the following leads to variation? A) BINARY FISSION. B) SPORULATION. C) FRAGMENTATION. D) SEXUAL REPRODUCTION. Show Answer Correct Answer: D) SEXUAL REPRODUCTION. 5. Dogs contain 78 chromosomes in their meiocytes. What will be the chromosome number in their gametes? A) 78. B) 39. C) 19.5. D) 9. Show Answer Correct Answer: B) 39. 6. What is the function of the ovary in a flower? A) To produce pollen grains. B) To contain the germ-cells. C) To transfer pollen from one flower to another. D) To attract pollinators. Show Answer Correct Answer: B) To contain the germ-cells. 7. Meiocyte is A) Haploid. B) Diploid. C) Triploid. D) None. Show Answer Correct Answer: B) Diploid. 8. What is the term used for the ability of fully differentiated organisms to give rise to new individuals from their body parts? A) Fission. B) Budding. C) Regeneration. D) Spore Formation. Show Answer Correct Answer: C) Regeneration. 9. Anaerobes respire to produce A) Lactic Acid. B) Carbon dioxide. C) Alcohol. D) Oxygen. Show Answer Correct Answer: C) Alcohol. 10. A few plants exhibit unusual flowering phenomenon, which of them flower only once in their life time generally after 50-100 years, produce large number of fruits: A) Strobilanthus kunthiana. B) Bamboo. C) Calistemon linearis. D) Cymbopogon reptoeus. Show Answer Correct Answer: B) Bamboo. 11. Non-flagellate spores are called conidia. In which organism are they seen? A) Penicillium. B) Hydra. C) Amoeba. D) Chlamydomonas. Show Answer Correct Answer: A) Penicillium. 12. The ability of a cell to divide into many cells during reproduction in Plasmodium is called A) Budding. B) Binary fission. C) Multiple fission. D) Fragmentation. Show Answer Correct Answer: C) Multiple fission. 13. What is the pattern of fission observed in many bacteria and protozoa? A) Splitting into two equal halves. B) Formation of whip-like structure. C) Multiple fission. D) Budding. Show Answer Correct Answer: A) Splitting into two equal halves. 14. The term dioecious is used to describe A) Unisexual condition. B) Bisexual condition. C) Hermaphrodites. D) None. Show Answer Correct Answer: A) Unisexual condition. 15. Which of the following cannot serve as a vegetative propagule? A) A piece of potato tuber with eyes. B) A middle piece of sugarcane internode. C) A piece of ginger rhizome. D) Marginal fees of Bryophyllum leaf. Show Answer Correct Answer: B) A middle piece of sugarcane internode. 16. Match each term with the correct description below.takes place in body cells A) Zygote. B) Mitosis. C) Meiosis. D) Fertilization. Show Answer Correct Answer: B) Mitosis. 17. During binary fission the nucleus of amoeba is duplicated. This process is called A) Cytokinesis. B) Prophase. C) Karyokinesis. D) Meiosis. Show Answer Correct Answer: C) Karyokinesis. 18. What is the function of petals and sepals in a flower? A) To produce pollen grains. B) To contain the germ-cells. C) To transfer pollen from one flower to another. D) To attract pollinators and protect the reproductive parts. Show Answer Correct Answer: D) To attract pollinators and protect the reproductive parts. 19. What are some of the facts about asexual reproduction? A) Takes only one mate to reproduce and takes a longer time to reproduce. B) Takes a shorter amount of time to reproduce and it takes two mates to reproduce. C) Reproduces diverse offspring and takes a longer time to reproduce. D) Takes only one mate to reproduce and takes a shorter time to reproduce. Show Answer Correct Answer: D) Takes only one mate to reproduce and takes a shorter time to reproduce. 20. Regeneration isanswer choices A) When a body part regrows and may form a new organism. B) When a body part regrows and may cause a mutation. C) When a body part regrows and may form more sex cells. D) When a body part regrows and may cause genetic issues. Show Answer Correct Answer: A) When a body part regrows and may form a new organism. 21. Which structure in flower produces pollen? A) Ovary. B) Anther. C) Stigma. D) Style. Show Answer Correct Answer: B) Anther. 22. In animals, the juvenile phase is followed by what changes prior to active reproductive behaviour? A) Morphological changes. B) Physiological changes. C) Genetical changes. D) Both (a) and (b). Show Answer Correct Answer: D) Both (a) and (b). 23. Which part of the flower develops into fruit? A) Stigma. B) Style. C) Ovary. D) Ovule. Show Answer Correct Answer: C) Ovary. 24. The end product of Aerobic Respiration is: A) Carbon dioxide. B) Oxygen. C) Lactic Acid. D) None of the above. Show Answer Correct Answer: A) Carbon dioxide. 25. Oestrus cycle occurs in A) Primates like monkey, apes and humans. B) Primates like cow sheep and rats. C) Non Primates like monkey, apes and humans. D) Non Primates like cow sheep and rats. Show Answer Correct Answer: D) Non Primates like cow sheep and rats. ← PreviousNext →Related QuizzesClass 12 Biology Chapter 1 Reproduction In Organisms Quiz 1Class 12 Biology Chapter 1 Reproduction In Organisms Quiz 2Class 12 Biology Chapter 1 Reproduction In Organisms Quiz 3Class 12 Biology Chapter 1 Reproduction In Organisms Quiz 4Class 12 Biology Chapter 1 Reproduction In Organisms Quiz 5Class 12 Biology Chapter 1 Reproduction In Organisms Quiz 6Class 12 Biology Chapter 1 Reproduction In Organisms Quiz 7Class 12 Biology Chapter 1 Reproduction In Organisms Quiz 8Class 12 Biology Chapter 1 Reproduction In Organisms Quiz 9Class 12 Biology Chapter 1 Reproduction In Organisms Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books