This quiz works best with JavaScript enabled. Home > Science > Biology > Zoology – Quiz 18 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Zoology Quiz 18 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which is true of saltwater fish, but not true of freshwater fish? A) Saltwater fish do not have scales and freshwater fish do have scales. B) Saltwater fish need to drink water and freshwater fish do not need to drink water. C) Saltwater fish are not colorful, but freshwater fish are very colorful. D) Saltwater fish have dorsal fins, but freshwater fish do not have dorsal fins. Show Answer Correct Answer: B) Saltwater fish need to drink water and freshwater fish do not need to drink water. 2. Which of the following components in cell controls all activities in the cell and contains chromosomes consisting of DNA? A) Cell membrane. B) Nucleus. C) Mitochondria. D) Cell wall. Show Answer Correct Answer: B) Nucleus. 3. Protista and Monera evolved in different method for food procurement A) A True. B) B. False. Show Answer Correct Answer: A) A True. 4. The IUCN status of Greater One-Horned Rhinoceros is- A) Vulnerable. B) Endangered. C) Least Concern. D) Extinct. Show Answer Correct Answer: A) Vulnerable. 5. Which is an example of a monotreme A) Koala. B) Raccoon. C) Platypus. D) Cow. Show Answer Correct Answer: C) Platypus. 6. Which of the following is NOT a type of ecosystem? A) Forest. B) Desert. C) City. D) Ocean. Show Answer Correct Answer: C) City. 7. The outermost layer of the molluscan shell is known as the A) Nacreous layer. B) Prismatic layer. C) Periostracum. D) Shape. Show Answer Correct Answer: C) Periostracum. 8. Vitamin D ..... A) Gives us energy. B) Fights off sickness. C) Is known as the sunshine vitamin. D) Helps us see at night. Show Answer Correct Answer: C) Is known as the sunshine vitamin. 9. Isinglass the fish product is employed in ..... A) Preparation of wines. B) Clearing of wines. C) Distillation of wines. D) Preservation of wines. Show Answer Correct Answer: B) Clearing of wines. 10. We see the primitive type of tissue differentiation in animals in ..... A) Porifera. B) Cnidarians. C) Platyhelminthes. D) Nemathelminthes. Show Answer Correct Answer: C) Platyhelminthes. 11. What does the term echinoderm mean? A) Tube feet. B) Star shaped. C) Spiny skin. D) Stomach foot. Show Answer Correct Answer: C) Spiny skin. 12. Which two groups of fish have cartilaginous skeletons? A) Agnatha and Chondrichthyes. B) Agnatha and Osteichthyes. C) Chondrichthyes and Osteichthyes. D) None of above. Show Answer Correct Answer: A) Agnatha and Chondrichthyes. 13. Spiny skin, hard endoskeletons, live in salt water, EX:Sea star A) Echinoderms. B) Ectotherms. C) Endotherms. D) Notochord. Show Answer Correct Answer: A) Echinoderms. 14. Nucleus discover by Robert Brown. A) False. B) True. Show Answer Correct Answer: B) True. 15. Means toward the face or toward the front A) Anterior. B) Superficial. C) Proximal. D) Lateral. Show Answer Correct Answer: A) Anterior. 16. What is the physical location where plants and animals live? A) Population. B) Habitat. C) Species. D) Niche. Show Answer Correct Answer: B) Habitat. 17. People with poorly controlled diabetes mellitus will be affected by. A) Ketoacidosis,. B) Ketoalkalosis. C) Metabolic acidosis. D) Metabolic acidosis. Show Answer Correct Answer: A) Ketoacidosis,. 18. Sharks, skates, and rays are all classified in which class? A) Chondrichthyes. B) Sarcopterygii. C) Myxin. D) Cephalaspidomorphi. Show Answer Correct Answer: A) Chondrichthyes. 19. Which fossil provides clues about the activities of ancient organisms? A) Mold/cast. B) Petrified. C) Trace fossils. D) Carbon films. Show Answer Correct Answer: C) Trace fossils. 20. What are three main body parts of an insect? A) Head, chest, tail. B) Head, antenna, abdomen. C) Thorax, antenna, heart. D) Head, thorax, abdomen. Show Answer Correct Answer: D) Head, thorax, abdomen. ← 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