Zoology Quiz 197 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. What is meant by an "involuntary" response?

Correct Answer: C) A response that the organism cannot control (like your stomach churning food to break it down.).

2. Animals with a true body cavity completely lined with mesoderm are called:

Correct Answer: C) Coelomates.

3. Which of the following is NOT a branch of Invertebrate Zoology?

Correct Answer: D) Ichthyology.

4. What is the densest type of cartilage?

Correct Answer: C) Fibrous.

5. Vitamin K .....

Correct Answer: A) Helps us stops bleeding.

6. Frog eggs hatch into ..... before becoming adult frogs

Correct Answer: D) Tadpoles.

7. How complex is the mussel's nervous system?

Correct Answer: B) No brain, no pain, but some muscle control.

8. The study of single-celled organisms is called

Correct Answer: C) Protozoology.

9. What kind of animal is Platypus?

Correct Answer: A) Vertebrate.

10. Which of these is not an organism?

Correct Answer: B) Lung.

11. What is a camel with one hump called?

Correct Answer: C) Dromedary.

12. The net electric charge on DNA and histones is

Correct Answer: C) Negative and positive, respectively.

13. What does the term mollusca mean in Latin?

Correct Answer: A) Soft-bodied.

14. Co2 and nitrogen formed by the combining of

Correct Answer: B) B o 2, methane, ammonia.

15. Which domain contains extremophiles?

Correct Answer: A) Archea.

16. Hollow thin walled tubes that each end in a suction cup

Correct Answer: A) Tube feet.

17. Chymotrypsin acts upon:

Correct Answer: D) Proteins in duodenum in alkaline medium.

18. The end opposite the mouth of a radially symmetrical animal.

Correct Answer: B) Aboral.

19. For how long thus Platyhelminthes existed.

Correct Answer: C) 839 million years.

20. Segmented Worms feed on ..... and .....

Correct Answer: A) Insect grubs and dead animals.