This quiz works best with JavaScript enabled. Home > Science > Zoology – Quiz 56 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Zoology Quiz 56 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Animals that are permanently attached to a surface are called what? A) Migratory. B) Sessile. C) Sedentary. D) For Moti. Show Answer Correct Answer: B) Sessile. 2. The mammals are ..... A) Vertebrates. B) Invertebrates. C) Microorganism. D) Reptiles. Show Answer Correct Answer: A) Vertebrates. 3. The period of geologic time when the biodiversity of life on the planet increased dramatically was A) Jurassic. B) Triassic. C) Permian. D) Cambrian. Show Answer Correct Answer: D) Cambrian. 4. Aquaculture is the farming of aquatic organisms such as fish, crustaceans, mollusks and aquatic plants. Oysters are commonly produced this way. How much oyster meat is produced by farms in Europe, Japan and the US? A) 100, 000, 000 pounds each year. B) 10, 000, 000 pounds each year. C) 1, 000, 000, 000 pounds each year. D) 1, 000, 000 pounds each year. Show Answer Correct Answer: C) 1, 000, 000, 000 pounds each year. 5. Starfish, sea lilies and sea urchins belong to the same phylum. A) True. B) False. Show Answer Correct Answer: A) True. 6. Alligators are no longer endangered because of the help of Alligator farms. A) True. B) False. Show Answer Correct Answer: A) True. 7. Can enantiomer rotates plane-polarised light? A) Yes in all situations. B) No because it is optically active. C) Yes but it can only rotate the polarised light in opposite direction. D) No due to its restricted rotation of carbon-carbon double bond. Show Answer Correct Answer: C) Yes but it can only rotate the polarised light in opposite direction. 8. Which of the following is a disease caused by alcohol? A) Degenerative liver disease. B) Diabetes. C) Joint Pain. D) All of the above. Show Answer Correct Answer: A) Degenerative liver disease. 9. Cartilaginous fish which include sharks, rays, skates, and chimeras all fall into the group called ..... A) Cartilage. B) Gills. C) Osteichthyes. D) Elasmobranchs. Show Answer Correct Answer: D) Elasmobranchs. 10. How do reptiles warm themselves up? A) Move into the shade. B) Speed up its metabolism. C) Bask in the sun. D) Crawl into an underground burrow. Show Answer Correct Answer: C) Bask in the sun. 11. What type of asexual reproduction is hydra? A) Budding. B) Parthenogenesis. C) Regeneration. D) Fertilization. Show Answer Correct Answer: A) Budding. 12. Where does inhibitor binds on enzyme in mixed inhibition? A) At active site. B) Allosteric site. C) Does not bind on enzyme. D) Binds on substrate. Show Answer Correct Answer: B) Allosteric site. 13. How do octopuses show emotion? A) They turn red. B) They quite smart. C) They change color. D) They like to play. Show Answer Correct Answer: C) They change color. 14. What does Cephalopod mean? A) Means "2-shells". B) Means "head-foot". C) Means "stomach-foot". D) Means "soft bodied". Show Answer Correct Answer: B) Means "head-foot". 15. In which type of organism did the first opening of the gastrula develop into the mouth during the formation of the digestive system? A) Acoelomate. B) Protostome. C) Pseudocoelomate. D) Deuterostome. Show Answer Correct Answer: B) Protostome. 16. The function of the branchial hearts in cephalopods is: A) To pump blood to the very ends of all arms and tentacles. B) To pump water through the siphon and provide propulsion for locomotion. C) To store unused blood in a reservoir and squirt it out at predators, leaving a cloud in the water and allowing the cephalopod to escape capture. D) To increase the pressure of blood flowing through gill capillaries that oxygenate blood. Show Answer Correct Answer: D) To increase the pressure of blood flowing through gill capillaries that oxygenate blood. 17. Study of developing life A) Embryology. B) Ichthyology. C) Entomology. D) Botany. Show Answer Correct Answer: A) Embryology. 18. Material which composes the middle layer of the mollusk shell A) Ctenidia. B) Periostracum. C) Prismatic. D) Calcium Carbonate. Show Answer Correct Answer: D) Calcium Carbonate. 19. The total amount of energy (usually sunlight) that is converted into living tissue in a given area per unit time is called secondary production. A) True. B) False. Show Answer Correct Answer: B) False. 20. Which class of vertebrates absorbs oxygen by using gills? A) Fish. B) Mammals. C) Reptiles. D) Birds. Show Answer Correct Answer: A) Fish. ← 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