This quiz works best with JavaScript enabled. Home > Science > Zoology – Quiz 31 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Zoology Quiz 31 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Fish has ..... A) Boat shaped body. B) Lateral line organs. C) Both Boat shaped body and Lateral line organs. D) Ventral nerve cord. Show Answer Correct Answer: C) Both Boat shaped body and Lateral line organs. 2. Which one here is a hormone? A) Glycogen. B) Glycerol. C) Glucagon. D) Glucose. Show Answer Correct Answer: C) Glucagon. 3. Cnidarians have what kind of symmetry? A) Radial. B) Bilateral. C) Asymmetrical. D) None of above. Show Answer Correct Answer: A) Radial. 4. On the Geologic Time Scale, eras are divided into A) Epochs. B) Indexes. C) Periods. D) Relative dates. Show Answer Correct Answer: C) Periods. 5. Means "two valves A) Bivalves. B) Mollusca. C) Gastropods. D) Cephalopods. Show Answer Correct Answer: A) Bivalves. 6. Identify the person. (Hint:He is known as the Birdman of India). A) Salim Shah. B) Abdus Salem. C) Salim Ali. D) Sameel Ali. Show Answer Correct Answer: C) Salim Ali. 7. Cnidarians with the ..... body form, have tentacles that point up. A) Hydra. B) Medusa. C) Radial. D) Polyp. Show Answer Correct Answer: D) Polyp. 8. What is the primary component of an echinoderm's skeleton? A) Spicules of chitin plates. B) Ossicles of chitin plates. C) Spicules of calcium carbonate. D) Ossicles of calcium carbonate. Show Answer Correct Answer: D) Ossicles of calcium carbonate. 9. What are the only flying mammals? A) Bats. B) Eagles. C) Flamingos. D) Quail. Show Answer Correct Answer: A) Bats. 10. How many red blood cells does the bone marrow produce every second A) 5 million. B) 7 million. C) 10 million. D) 12 million. Show Answer Correct Answer: C) 10 million. 11. A two-shelled mollusk A) Gastropod. B) Cephalopods. C) Bivalve. D) Phylum. Show Answer Correct Answer: C) Bivalve. 12. What structure in mammals provides nourishment for mammals after they are born? A) Mammary Glands. B) Plan centa. C) Claspers. D) Cloaca. Show Answer Correct Answer: A) Mammary Glands. 13. After a ruminant chews quickly and swallows its food the first time, the food is partially digested and forms a little ball. What is this little ball called? A) Ungulates. B) Bovine. C) Cud. D) Sow. Show Answer Correct Answer: C) Cud. 14. The first branch of aorta is A) A coronary artery. B) B systemic artery. Show Answer Correct Answer: A) A coronary artery. 15. Squids move oxygen and nutrients through a closed circulatory system. A) True. B) False. Show Answer Correct Answer: A) True. 16. Yolk A) Sick. B) Were. C) Zoo. D) Sect. Show Answer Correct Answer: A) Sick. 17. This invertebrate defends itself by changing color and its ink-like liquid. A) Octopus. B) Insects. C) Jellyfish. D) Sponges. Show Answer Correct Answer: A) Octopus. 18. Raw materials is? A) Supporting. B) Provisionary. C) Regulatory. D) Cultural. Show Answer Correct Answer: B) Provisionary. 19. Birds belong to class: A) Mammalia. B) Amphibia. C) Reptile. D) Aves. Show Answer Correct Answer: D) Aves. 20. Water purification is? A) Supporting. B) Provisionary. C) Regulatory. D) Cultural. Show Answer Correct Answer: C) Regulatory. ← PreviousNext →Related QuizzesZoology Quiz 1Zoology Quiz 2Zoology Quiz 3Zoology Quiz 4Zoology Quiz 5Zoology Quiz 6Zoology Quiz 7Zoology Quiz 8Zoology Quiz 9Zoology Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books