This quiz works best with JavaScript enabled. Home > Science > Biology > Zoology – Quiz 64 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Zoology Quiz 64 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Hydra A) Class Hydrozoa. B) Class Scyphozoa. C) Class Anthozoa. D) None of above. Show Answer Correct Answer: A) Class Hydrozoa. 2. How often should water changes be performed in a well-maintained aquarium? A) Every day. B) Every week. C) Every two weeks. D) Every month. Show Answer Correct Answer: C) Every two weeks. 3. Vertebrate animals have an ..... A) Internal skeleton. B) Exoskeleton. C) Soft body. D) Long legs. Show Answer Correct Answer: A) Internal skeleton. 4. Involved in language comprehension and expression. A) Wernicke's Area. B) Broca's Area. C) Amygdala. D) None of above. Show Answer Correct Answer: A) Wernicke's Area. 5. Which of the following is a microscopic aquatic animal? A) Rotifer. B) Fan worm. C) Ascaris. D) Tape worm. Show Answer Correct Answer: A) Rotifer. 6. What class do cartilaginous fish belong to? A) Actinopterygii. B) Chondrichthyes. C) Myxin. D) Sarcopterygii. Show Answer Correct Answer: B) Chondrichthyes. 7. Which out of the following statements is incorrect? A) Genetic code is ambiguous. B) Genetic code is degenerate. C) Genetic code is universal. D) Genetic code is non-overlanning. Show Answer Correct Answer: A) Genetic code is ambiguous. 8. What is the function of the siphon in cephalopods? A) Feeding. B) Respiration. C) Excretion. D) Jet propulsion. Show Answer Correct Answer: D) Jet propulsion. 9. Who developed the current system used to classify living organisms? A) Ernst Mayr. B) Charles Darwin. C) Charles Linnaeus. D) Aristotle. Show Answer Correct Answer: C) Charles Linnaeus. 10. Semilunar valves are A) A aortic valve. B) B pulmonary valve. C) C mitral valve. D) D both a and b. Show Answer Correct Answer: D) D both a and b. 11. Frogs reach the adult stage of their life around ..... months old. A) 2. B) 3. C) 4. D) 6. Show Answer Correct Answer: C) 4. 12. Monkeys and squirrels are..... animals. A) Arboreal. B) Amphibians. C) Terrestrial. D) Aquatic. Show Answer Correct Answer: A) Arboreal. 13. Organisms whose cells have NO nucleus are classified as ..... A) Eukaryotic. B) Prokaryotic. C) Dead. D) None of above. Show Answer Correct Answer: B) Prokaryotic. 14. Which class of Mollusks includes species like chitons? A) Gastropods. B) Polyplacophora. C) Cephalopods. D) Bivalves. Show Answer Correct Answer: B) Polyplacophora. 15. The naming of animals fall under the study of ..... A) Taxonomy. B) Genetics. C) Physiology. D) Paleontology. Show Answer Correct Answer: A) Taxonomy. 16. Animals having identical right and left sides are also known as ..... A) Radially symmetrical. B) Bilaterally symmetrical. C) Laterally symmetrical. D) Asymmetrical. Show Answer Correct Answer: B) Bilaterally symmetrical. 17. It consists of organisms that attach themselves to plants or rocks. A) Phylum Porifera. B) Phylum Cnidaria. C) Phylum Platyhelminthes. D) Phylum Nemathelminthes. Show Answer Correct Answer: A) Phylum Porifera. 18. Which of the following referred as LAB bacteria A) A L. acitophilus. B) B L. of milk. C) C streptococcus. D) D all the above. Show Answer Correct Answer: D) D all the above. 19. Structures that have similar functions in two organisms but that have not evolved from a common ancestral form are called A) Homologous structures. B) Analogous structures. C) Adaptations. D) Fossils. Show Answer Correct Answer: B) Analogous structures. 20. What is the fastest land animal? A) Lion. B) Cheetah. C) Monkey. D) Horse. Show Answer Correct Answer: B) Cheetah. ← 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