This quiz works best with JavaScript enabled. Home > Science > Zoology – Quiz 112 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Zoology Quiz 112 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Class of Echinodermata that has a spherical body with no arms. A) Class asteroidea. B) Class Ophiuroidea. C) Class Crinoidea. D) Class Echinoidea. E) Class Holothuroidea. Show Answer Correct Answer: D) Class Echinoidea. 2. It is the phylum where microscopic aquatic animals like sandworms belong. A) Phylum Annelida. B) Phylum Rotifera. C) Phylum Mollusca. D) Phylum Porifera. Show Answer Correct Answer: B) Phylum Rotifera. 3. A cell that contains a cell wall, chloroplast and a central vacuole is A) Plant cell. B) Animal cell. C) Yeast cell. D) Bacteria cell tags4. Show Answer Correct Answer: A) Plant cell. 4. Invertebrates with soft tube-like bodies A) Cnidarians. B) Worms. C) Arthropods. D) Crustaceans. Show Answer Correct Answer: B) Worms. 5. Enzyme responsible for DNA replication A) DNA polymerase. B) RNA polymerase. C) Ligase. D) Topoisomerase. Show Answer Correct Answer: A) DNA polymerase. 6. Study of hidden animals A) Limnology. B) Cryptozoology. C) Taxonomy. D) Ecology. Show Answer Correct Answer: B) Cryptozoology. 7. Most water-dwelling mollusks have ....., organs that remove oxygen from water. A) Mantles. B) Radulas. C) Gills. D) Kidneys. Show Answer Correct Answer: C) Gills. 8. Which of the following is not the criteria for H-W equillibrium. A) Random mating. B) No selection. C) No mutation. D) Change in gene pool. Show Answer Correct Answer: D) Change in gene pool. 9. Which structures do all chordates have at some point during their life time? A) Notochord, Hollow Nerve chord, Pharyngeal slits, Tail. B) Notochord, Gill slits, Tail. C) Hollow nerve chord, notochord, legs, wings. D) Pharyngeal slits, Head, Thorax, Tail. Show Answer Correct Answer: A) Notochord, Hollow Nerve chord, Pharyngeal slits, Tail. 10. Third cell layer formed in the developing embryo A) Ectoderm. B) Mesoderm. C) Endoderm. D) Gastrula. Show Answer Correct Answer: B) Mesoderm. 11. Class of flatworms that includes planaria A) Turbulence. B) Trematodes. C) Cestoda. D) None of above. Show Answer Correct Answer: A) Turbulence. 12. Mammals such as humans and dogs are: A) Warm-blooded. B) Cold-blooded. Show Answer Correct Answer: A) Warm-blooded. 13. In the term 'Biology' Bio means ..... A) Environment. B) Earth. C) Living. D) Bacteria. Show Answer Correct Answer: C) Living. 14. Which of the following is an example of a segmented worm? A) Tapeworm. B) Roundworm. C) Leech. D) Planarian. Show Answer Correct Answer: C) Leech. 15. Excessive alcohol use can weaken the heart muscles and cause scar tissue in the heart muscle fibers A) Ok. B) Wrong. Show Answer Correct Answer: A) Ok. 16. What is the process called by which many baby spiders get away from their families? A) Ballooning. B) Escaping. C) Molting. D) Spinning. Show Answer Correct Answer: A) Ballooning. 17. A dichotomous key gives each species a scientific name that had two parts. A) True. B) False. Show Answer Correct Answer: B) False. 18. Which domain consists of ancient, very diverse, single celled, organisms whose walls DO NOT contain peptidoglycan, and often live in extreme environments? A) Eukarya. B) Bacteria. C) Archaea. D) None of above. Show Answer Correct Answer: C) Archaea. 19. What is the definition of evolution A) Organisms adapting. B) Organisms changing. C) Organisms growing. D) A change in the gene pool within a species. Show Answer Correct Answer: D) A change in the gene pool within a species. 20. The climate of the north east is A) Wet. B) Hot. C) Dry. D) Cold tags3. Show Answer Correct Answer: A) Wet. ← 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