This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Biology Chapter 1 Reproduction In Organisms – Quiz 22 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 1 Reproduction In Organisms Quiz 22 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Read the following statements carefully a. Neelakuranji flowers once in 12 yeats b. In the majority of organisms, male and female gametes are motile c. During embryogenesis, the zygote undergoes mitosis and cell differentiation A) All are correct. B) Only (b) is incorrect. C) All are incorrect. D) (a) and (b) are correct. Show Answer Correct Answer: B) Only (b) is incorrect. 2. How many chromosomes does a human gamete typically have? A) 46. B) 23. C) 44. D) 22. Show Answer Correct Answer: B) 23. 3. .Which type of parthenogenesis only females are produced? A) Arrhenotoky. B) Amphitoky. C) Thelytoky. D) Both (a) and (b). Show Answer Correct Answer: C) Thelytoky. 4. Development of a new individual from a single gamete without fusion with another gamete is called A) Parthenocarpy. B) Sporophytic budding. C) Parthenogenesis. D) Polyembryony. Show Answer Correct Answer: C) Parthenogenesis. 5. Fusion of gametes lead to the formation of ..... A) Zygote. B) Mutation. C) Chromosome. D) Cytoplasm. Show Answer Correct Answer: A) Zygote. 6. Individuals of a clone- A) Are genetically similar but morphologically different. B) Are morphologically similar but genetically different. C) Are morphologically and genetically similar. D) Are genetically and phenotypically different. Show Answer Correct Answer: C) Are morphologically and genetically similar. 7. Which animal shows both male and female reproductive organs? A) Cockroach. B) Earthworm. C) Dog. D) Hen. Show Answer Correct Answer: B) Earthworm. 8. Factors responsible for the rapid spread of bread mould on slices of bread are (i) large number of spores (ii) availability of moisture and nutrients in bread (iii) presence of tubular branched hyphae (iv) formation of round shaped sporangia A) (i) and (iii). B) (ii) and iv). C) (i) and (ii). D) (iii) and (iv). Show Answer Correct Answer: C) (i) and (ii). 9. Which of the following is part of asexual reproduction? A) One parent organism. B) Two parent organisms. C) Meiosis. D) Fertilization. Show Answer Correct Answer: A) One parent organism. 10. A few statements describing certain features of reproduction are given belowi. Gametic fusion take place.ii. Transfer of genetic material take placeiii. Reduction division take placeiv. Progeny have some resemblance with parents.Select the options which are true for both asexual and sexual reproduction from the options given below A) I and iii. B) Ii and iii. C) Ii and iv. D) I and iii. Show Answer Correct Answer: C) Ii and iv. 11. The plant Strobilanthus kunthiana flowers once in ..... Yrs A) 8 yrs. B) 10 yrs. C) 12 yrs. D) 14 yrs. Show Answer Correct Answer: C) 12 yrs. 12. Read the following statements and select the incorrect one. A) Cucurbits and coconuts are monoecious plants. B) Papayas and date palms are dioecious plants. C) Leeches and tapeworms are bisexual animals. D) Sponges and coelenterates are unisexual animals. Show Answer Correct Answer: D) Sponges and coelenterates are unisexual animals. 13. The paramecium is a single-celled organism that reproduces asexually. The offspring of a paramecium usually contain A) Only half of the genes of the parent cells. B) More DNA than the parent cell. C) Genetic material identical to that of the parent cell. D) Fewer mutations than the parent cell. Show Answer Correct Answer: C) Genetic material identical to that of the parent cell. 14. Most wild mammals are A) Continuous breeder. B) Seasonal breeder. C) Continuous for half year, seasonal for next half year. D) None of these. Show Answer Correct Answer: B) Seasonal breeder. 15. Cyclical changes during reproductive phase in non-primates is called: A) Menstrual cycle. B) Oestrous cycle. C) Ovarian cycle. D) Cyclical. Show Answer Correct Answer: B) Oestrous cycle. 16. An example of parthenogenesis in the development of fruit is the one A) With viable seeds after fertilization. B) With viable seeds after pollination. C) With viable seeds without fertilization. D) Without seeds after pollination. Show Answer Correct Answer: C) With viable seeds without fertilization. 17. In which plants motile ciliated spores are produced during spore formation? A) Chlamydomonas. B) Spirogyra. C) Dictyota. D) Fucus. Show Answer Correct Answer: A) Chlamydomonas. 18. Lifespan of may fly is A) 1 day. B) 1 week. C) 1 month. D) 2 weeks. Show Answer Correct Answer: A) 1 day. 19. IF THE NUMBER OF CHROMOSOME IN POTATO LEAF IS 48 THEN WHAT WILL BE THE NUMBER OF CHROMOSOME IN ZYGOTE, GAMETE AND ENDOSPERM RESPECTIVELY? A) 24, 24, 72. B) 48, 24, 72. C) 24, 48, 72. D) 72, 48, 24. Show Answer Correct Answer: B) 48, 24, 72. 20. What do you call the cell that forms from fertilization?answer choices A) Sperm cell. B) Zygote. C) Egg cell. D) Spore. Show Answer Correct Answer: B) Zygote. 21. Which of the following regulates the reproductive processes and the associated behavioural expressions of organisms? A) Hormones. B) Environmental factors. C) Abiotic components. D) Interaction between hormones & environmental factors. Show Answer Correct Answer: D) Interaction between hormones & environmental factors. 22. The nodes called eyes in A) Ginger. B) Banana. C) Beyophyllum. D) Poatto. Show Answer Correct Answer: D) Poatto. 23. Which of the following groups is formed only of the hermaphrodite organisms? A) Earthworm, tapeworm, housefly, frog. B) Earthworm, tapeworm, sea horse, housefly. C) Earthworm, leech, sponge, roundworm. D) Earthworm, tapeworm, leech, sponge. Show Answer Correct Answer: D) Earthworm, tapeworm, leech, sponge. 24. Two ..... make up a gene.answer choices A) Chromosomes. B) Alleles. C) Eggs. D) Sperm. Show Answer Correct Answer: B) Alleles. 25. Regeneration was studied in Hydra by Abraham Trembley A) 1640. B) 1740. C) 1840. D) 1940. Show Answer Correct Answer: B) 1740. ← 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