This quiz works best with JavaScript enabled. Home > Science > Zoology – Quiz 16 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Zoology Quiz 16 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is an advantage of being sessile? A) Can easily find food. B) Low energy requirement. C) High oxygen consumption. D) Can move to avoid predators. Show Answer Correct Answer: B) Low energy requirement. 2. Which class of vertebrates has young that are born live? A) Fish. B) Birds. C) Mammals. D) Amphibians. E) Reptiles. Show Answer Correct Answer: C) Mammals. 3. Which is an example of an Echinoidea member? A) Sea star. B) Sand dollar. C) Sea cucumber. D) Sea lilies. Show Answer Correct Answer: B) Sand dollar. 4. The science of describing, naming, and classifying organisms is A) Classification. B) Scientific name. C) Taxonomy. D) Dichotomous key. Show Answer Correct Answer: C) Taxonomy. 5. What class does SEA CUCUMBER belongs to? A) Class asteroidea. B) Class Ophiuroidea. C) Class Crinoidea. D) Class Echinoidea. E) Class Holothuroidea. Show Answer Correct Answer: E) Class Holothuroidea. 6. Deficiency of vassopressin hormone causes A) Diabetes mellitus. B) Diabetes insipidus. C) Myxedema. D) Exophthalmia. Show Answer Correct Answer: B) Diabetes insipidus. 7. Which branch of biology studies genes and heredity? A) Genetics. B) Taxonomy. C) Limnology. D) Paleontology. Show Answer Correct Answer: A) Genetics. 8. Diabetes is caused due to ..... A) Insulin. B) I was drunk. C) Adrenalin. D) None of above. Show Answer Correct Answer: A) Insulin. 9. On average, organisms produce too many offspring, so A) They compete for resources. B) All options are correct. C) Some survive better than others. D) They adapt over many generations. Show Answer Correct Answer: B) All options are correct. 10. Animals in the phylum Cnidaria do not have brains. Instead, they have ..... that conduct signals throughout their bodies. A) Nerve nets. B) Nerve maps. C) Nerve pathways. D) Nerve roads. Show Answer Correct Answer: A) Nerve nets. 11. Fish under Class Agnatha have a ..... like body A) Placoid. B) Snake. C) Ectotherms. D) Suckers. Show Answer Correct Answer: B) Snake. 12. Members of the three of the four living orders of reptiles are found on all continents except A) Asia. B) Africa. C) Australia. D) Antarctica. E) Europe. Show Answer Correct Answer: D) Antarctica. 13. Domain of organism which is a unicellular prokaryote with a cell wall which contains peptidoglycan. A) Bacteria. B) Archaea. C) Eukarya. D) Planta. Show Answer Correct Answer: A) Bacteria. 14. What usually contains more food, air or water? A) Both contain equal amounts. B) Water. C) Air. D) Neither contains food. Show Answer Correct Answer: B) Water. 15. Organisms are: A) Organizations. B) All dead things. C) Organs. D) All living things. Show Answer Correct Answer: D) All living things. 16. For organisms to be considered chemically unique, they must have ALL of the following, EXCEPT: A) Nucleic Acids. B) Proteins. C) Lipids. D) Carbohydrates. E) Graphene. Show Answer Correct Answer: E) Graphene. 17. If the sequence of nitrogen bases of the coding strand of DNA in a transcription unit is:5'-ATG ATG-3', the sequence of bases in its RNA transcript would be A) 5'-AUG A AUG-3'. B) 5'-UACUU AC-3'. C) 5'-CLOSE CLOSE-3'. D) 5'-GUAGUA-3'. Show Answer Correct Answer: D) 5'-GUAGUA-3'. 18. The oxygenated blood circulated during A) A systemic circulation. B) B pulmonary circulation. Show Answer Correct Answer: A) A systemic circulation. 19. What percentage of all animal species are invertebrates? A) 75%. B) 60%. C) 94%. D) 82%. Show Answer Correct Answer: C) 94%. 20. The lymph node is ..... shaped A) A ovoid. B) B bean. C) C elliptical. D) D amoeboid. Show Answer Correct Answer: B) B bean. ← 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