This quiz works best with JavaScript enabled. Home > Science > Biology > Zoology – Quiz 169 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Zoology Quiz 169 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Do beavers really build dams A) Yes. B) No. C) Sometimes. D) I dont know. Show Answer Correct Answer: A) Yes. 2. Which taxa includes the most organisms A) Kingdom. B) Phylum. C) Class. D) Order. Show Answer Correct Answer: A) Kingdom. 3. Which of the following is a member of phylum echinodermata? A) Lion fish. B) Starfish. C) Jellyfish. D) Sawfish. Show Answer Correct Answer: B) Starfish. 4. A animal with a relatively constant body temperature A) Polythermic. B) Endoskeleton. C) Homeotherm. D) Vertebral column. Show Answer Correct Answer: C) Homeotherm. 5. ..... Species of freshwater prawn is most commonly used for culturing in India A) Macrobrachium rosenbergii. B) Palaemon the longhorn. C) Akin to Metapenaeus. D) Penaeus monodon. Show Answer Correct Answer: A) Macrobrachium rosenbergii. 6. Tissues found in our body are derived from: A) Embryonic ectoderm. B) Embryonic endoderm. C) Embryonic mesoderm. D) All of these. Show Answer Correct Answer: D) All of these. 7. Which Phylum contains vertebrates such as humans, fish, and birds? A) Chorded. B) Chords. C) Cortana. D) Chordata. Show Answer Correct Answer: D) Chordata. 8. Spider is an insect because it has a head, abdomen and thorax. A) True. B) False. Show Answer Correct Answer: B) False. 9. Many species soft bodies are protected by what? A) Shell. B) Feathers. C) Scales. D) Fur. Show Answer Correct Answer: A) Shell. 10. In animals with bilateral symmetry, where is the plane of symmetry typically located? A) Down the middle, dividing the body into equal left and right halves. B) Through the center, dividing the body into top and bottom halves. C) At an oblique angle, creating unequal halves. D) Around the circumference of the body. Show Answer Correct Answer: A) Down the middle, dividing the body into equal left and right halves. 11. ..... power the water current in a sponge. A) A kiss. B) Porocytes. C) Spicules. D) Collar cells. Show Answer Correct Answer: D) Collar cells. 12. Animalia contain ..... phyla A) A 11. B) B 35. Show Answer Correct Answer: B) B 35. 13. Which group of fish are the bony fish? A) Agnatha. B) Chondrichthyes. C) Osteichthyes. D) None of above. Show Answer Correct Answer: C) Osteichthyes. 14. True or False. A decomposer's role is to break down dead organisms and their waste. A) True. B) False. Show Answer Correct Answer: A) True. 15. Gastropods include: A) Snails and mussels. B) Slugs and crayfish. C) Snails and slugs. D) Octopus and clams. Show Answer Correct Answer: C) Snails and slugs. 16. The RNA polymerase holoenzyme transcribes A) The promoter, structural gene and the terminator region. B) The promoter and the terminator region. C) The structural gene and the terminator region. D) The structural gene only. Show Answer Correct Answer: B) The promoter and the terminator region. 17. Adult human heart measures about A) A 400 g. B) B 350 g. C) C 450g. D) D 300g. Show Answer Correct Answer: D) D 300g. 18. Goitre is associated with A) Glucagon. B) Insulin. C) Thyroxine. D) Progesterone. Show Answer Correct Answer: C) Thyroxine. 19. Identify the correct class:oyster A) Crustacea. B) Insect. C) Gastropod. D) Cephalopods. E) Bivalves. Show Answer Correct Answer: E) Bivalves. 20. Catfish are named for how their barbels make them look. A) True. B) False. Show Answer Correct Answer: A) True. ← PreviousNext →Related QuizzesScience QuizzesZoology Quiz 1Zoology Quiz 2Zoology Quiz 3Zoology Quiz 4Zoology Quiz 5Zoology Quiz 6Zoology Quiz 7Zoology Quiz 8Zoology Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books