This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Biology > Class 12 Biology Chapter 1 Reproduction In Organisms – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Biology Chapter 1 Reproduction In Organisms Quiz 10 (29 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which structure in flower produces pollen? A) Ovary. B) Style. C) Anther. D) Stigma. Show Answer Correct Answer: C) Anther. 2. 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). 3. 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. 4. What is the result of the fusion of male and female gametes? A) Binary fission. B) Fertilization. C) Meiosis. D) Mitosis. Show Answer Correct Answer: B) Fertilization. 5. What does the word fertilization means A) Fusion of male and female gamete. B) Fusion of male and female gamete to form zygote. C) Formation of foetus. D) None of these. Show Answer Correct Answer: B) Fusion of male and female gamete to form zygote. 6. An example of an organisms that can typically reproduce through regeneration. A) Sea urchins. B) Sea stars. C) Sponges. D) Planarians. E) All of these. Show Answer Correct Answer: E) All of these. 7. What is meiosis? A) A method of asexual reproduction in unicellular organisms. B) A type of cell division that produces two diploid cells. C) A process of DNA replication that occurs before cell division. D) A type of cell division that reduces the chromosome number by half, producing four haploid cells. Show Answer Correct Answer: D) A type of cell division that reduces the chromosome number by half, producing four haploid cells. 8. Which process restores the normal chromosome number during fertilization? A) Meiosis. B) Binary fission. C) Mitosis. D) Fusion. Show Answer Correct Answer: D) Fusion. 9. How are sex cells produced? A) Diploid. B) Mitosis. C) Haploid. D) Meiosis. Show Answer Correct Answer: D) Meiosis. 10. The joining of an egg cell and a sperm cell is called A) Adaptation. B) Asexual reproduction. C) Stability. D) Fertilization. Show Answer Correct Answer: D) Fertilization. 11. Bryophyllum daigremontianum reproduces by A) Budding. B) Vegetative propagation. C) Fission. D) Fragmentation. Show Answer Correct Answer: B) Vegetative propagation. 12. Which one is an advantage of sexual reproduction? A) Rapid multiplication. B) Genetic variation. C) Identical offspring. D) One parent needed. Show Answer Correct Answer: B) Genetic variation. 13. The offspring produced through which of the following process are not exactly similar to their parents? A) Sexual reproduction. B) Dizygotic twins. C) Parthenogenesis. D) Asexual reproduction. Show Answer Correct Answer: A) Sexual reproduction. 14. The organism that reproduces by fragmentation is: A) Hydra. B) Yeast. C) Planaria. D) Amoeba. Show Answer Correct Answer: A) Hydra. 15. What is the process called when a sperm and egg produce a zygote? A) Sneezing. B) Excretion. C) Reproduction. D) Fertilization. Show Answer Correct Answer: D) Fertilization. 16. What is the cell called that results from fertilization? A) Egg. B) Sperm. C) Zygote. D) Diploid. Show Answer Correct Answer: C) Zygote. 17. What is the genetic makeup of the offspring in asexual reproduction? A) Genetically diverse. B) Clones. C) Half of each parent. D) Different from both parents. Show Answer Correct Answer: B) Clones. 18. What advantage does vegetative propagation provide in plants? A) Genetic diversity. B) Early flowering and fruiting. C) Ability to produce seeds. D) Loss of characteristics. Show Answer Correct Answer: B) Early flowering and fruiting. 19. What is the term used for the process where spores of bread mould come into contact with a moist surface and begin to grow? A) Regeneration. B) Spore Formation. C) Budding. D) Fission. Show Answer Correct Answer: B) Spore Formation. 20. All of the following are pre-fertilization events except: A) Oogenesis. B) Embryogenesis. C) Gamete transfer. D) Spermatogenesis. Show Answer Correct Answer: B) Embryogenesis. 21. An example for transverse binary fission is A) Vorticella. B) Amoeba. C) Paramecium. D) Euglena. Show Answer Correct Answer: C) Paramecium. 22. Which of the following is produced by multiple fission? A) Merozoites. B) Sporozoites. C) Amoebulae. D) Both a and b. E) All the above. Show Answer Correct Answer: E) All the above. 23. The process by which a new organism forms from the joining of an egg cell and a sperm cell is called A) Asexual reproduction. B) Budding. C) Adaptation. D) Sexual reproduction. Show Answer Correct Answer: D) Sexual reproduction. 24. Which of the following mammals show menstrual cycle? A) Monkeys. B) Apes. C) Humans. D) All of these. Show Answer Correct Answer: D) All of these. 25. What is the innermost hard part of the fruit or of the Pericarp? A) Endocarp. B) Mesocarp. C) Seed. D) Epicarp. Show Answer Correct Answer: A) Endocarp. 26. Type of cell division occur during gamete formation in gymnosperms, angiosperms, animals A) Mitosis. B) Meiosis. C) All the above. D) None of the above. Show Answer Correct Answer: B) Meiosis. 27. In diplontic organisms, gametes are produced by ..... cell division. A) Meiotic. B) Mitotic. C) All the above. D) None of the above. Show Answer Correct Answer: A) Meiotic. 28. What is the Thin, leathery part of the fruit or of the Pericarp? A) Epicarp. B) Mesocarp. C) Seed. D) Endocarp. Show Answer Correct Answer: A) Epicarp. 29. Read the following statements about reproduction and select the incorrect one. A) It is a biological process in which an organism gives rise to young ones. B) It enables the continuity of the species. C) It produces genetic variations in organisms. D) It maintains populations of the young and adult persons only. Show Answer Correct Answer: D) It maintains populations of the young and adult persons only. ← PreviousRelated QuizzesScience QuizzesClass 12 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books