This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Science Chapter 9 Reproduction In Animals – Quiz 12 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Science Chapter 9 Reproduction In Animals Quiz 12 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the length of a sperm cell A) 0.15 mm. B) 0.10 mm. C) 0.03 mm. D) 0.05 mm. Show Answer Correct Answer: D) 0.05 mm. 2. Navya put pebbles in water tub in the process of studying life cycle of frog the intention behind this A) Tadpoles settle outside for rest as they are continuously swimming. B) As tadpoles are developing into frog they may have vision about surroundings. C) Tadpoles with Hind limbs settle over pebbles and respire through lungs. D) Tadpoles with four limbs settle over the pebbles and start to respire with gills. Show Answer Correct Answer: D) Tadpoles with four limbs settle over the pebbles and start to respire with gills. 3. Inside the cocoon the insect becomes a ..... A) Caterpillar. B) Pupa. C) Butterfly. D) None of the above. Show Answer Correct Answer: C) Butterfly. 4. How many Nucleus are there in zygote? A) 0. B) 1. C) 2. D) 4. Show Answer Correct Answer: B) 1. 5. The number of modes by which animals reproduce is A) Two. B) Three. C) Four. D) None of these. Show Answer Correct Answer: A) Two. 6. The length of time between fertilization and birth is called ..... A) Budding. B) Sexual reproduction. C) Asexual reproduction. D) Gestation period. Show Answer Correct Answer: D) Gestation period. 7. Aquatic animals in which fertilization occurs in water are said to be: A) Viviparous without fertilization. B) Oviparous with external fertilization. C) Viviparous with internal fertilization. D) Oviparous with internal fertilization. Show Answer Correct Answer: B) Oviparous with external fertilization. 8. Internal fertilization occurs inside the female's body. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 9. Metamorphosis occur in A) Human. B) Cow. C) Dog. D) Frog. Show Answer Correct Answer: D) Frog. 10. ..... is very important as it ensures the continuation of similar/exact kinds of individuals, generation after generation. A) Reproduction. B) Renovation. C) Circulation. D) Ovulation. Show Answer Correct Answer: A) Reproduction. 11. Rakesh Is Doing His Homework Which Is Given By His Teacher. Would You Help Him To Choose The Correct Sentences? A) The process of reproduction ensures continuity of life on the earth. B) The production of new organisms from the existing organisms of the same species is known as reproduction. C) Reproduction gives rise to more organisms with the same basic characteristics as their parents. D) All the above. Show Answer Correct Answer: D) All the above. 12. Zygote is formed due to the fusion of A) Male gamete. B) Egg. C) Both Male and Female Gamete. D) None. Show Answer Correct Answer: C) Both Male and Female Gamete. 13. Gestation period lasts upto: A) 28 days. B) 280 days. C) 160 days. D) 365 days. Show Answer Correct Answer: B) 280 days. 14. True or false:Fertilisation is necessary even in asexual reproduction. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 15. Define the process of implantation that takes place during fertilisation in humans. It is the: A) Release of eggs from the ovary. B) Formation of zygote as a result of fertilisation. C) Attachment of the growing embryo to the uterine wall. D) Growth and development of the embryo. Show Answer Correct Answer: C) Attachment of the growing embryo to the uterine wall. 16. A Paramecium reproduces by dividing itself into two daughter cells. This process is called A) Budding. B) Regeneration. C) Binary fission. D) Vegetative propagation. Show Answer Correct Answer: C) Binary fission. 17. In vitro fertilization helps in the development of A) Sexual reproduction. B) A sexual reproduction. C) Binary fission. D) Test tube babies. Show Answer Correct Answer: D) Test tube babies. 18. Choose the odd one out:(Based on mode of reproduction) A) Paramecium. B) Fungi. C) Bacteria. D) Amoeba. Show Answer Correct Answer: B) Fungi. 19. Which of the following statements are incorrect regarding a test tube baby?(i) It is developed wholly in a test tube.(ii) It is developed through tissue culture method.(iii) The ovum is fertilised externally and thereafter implanted in the uterus.(iv) It develops from an unfertilised egg. A) (i) and (iv) only. B) (ii) and (iv) only. C) (i) and (iii) only. D) (i), (ii) and (iv) only. Show Answer Correct Answer: D) (i), (ii) and (iv) only. 20. How many and How often does an ovary produce eggs A) 3 eggs in 1 month. B) 5 eggs in 1 month. C) Millions of eggs in 1 month. D) 1 egg in 1 month. Show Answer Correct Answer: D) 1 egg in 1 month. 21. One of the following is not a part of the human female reproductive system. This one is: A) Ovary. B) Uterus. C) Scrotal sacs. D) Oviducts. Show Answer Correct Answer: C) Scrotal sacs. 22. Which of the following is an example of a viviparous animal? A) Cat. B) Snake. C) Fish. D) Hen. Show Answer Correct Answer: A) Cat. 23. Read the statements given, and select the correct order of reproduction in amoebaA. Cytoplasm divides into two parts, each part receives a nucleus.B. Nucleus lengthens and divides into twoC. Single parent Amoeba forms two daughter amoebae. A) A, B, C. B) B, C, A. C) B, A, C. D) None of the above. Show Answer Correct Answer: C) B, A, C. 24. How many sperms are produced by the testes ..... A) Thousands. B) Millions. C) Trillions. D) None of the above. Show Answer Correct Answer: B) Millions. 25. The offspring produced by asexual reproduction are called A) Zygote. B) Clones. C) Embryo. D) None of the above. Show Answer Correct Answer: B) Clones. ← PreviousNext →Related QuizzesClass 8 Science Chapter 9 Reproduction In Animals Quiz 1Class 8 Science Chapter 9 Reproduction In Animals Quiz 2Class 8 Science Chapter 9 Reproduction In Animals Quiz 3Class 8 Science Chapter 9 Reproduction In Animals Quiz 4Class 8 Science Chapter 9 Reproduction In Animals Quiz 5Class 8 Science Chapter 9 Reproduction In Animals Quiz 6Class 8 Science Chapter 9 Reproduction In Animals Quiz 7Class 8 Science Chapter 9 Reproduction In Animals Quiz 8Class 8 Science Chapter 9 Reproduction In Animals Quiz 9Class 8 Science Chapter 9 Reproduction In Animals Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books