Zoology Quiz 203 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Vitamin K .....

Correct Answer: A) Helps us stops bleeding.

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

Correct Answer: D) Tadpoles.

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

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

4. The study of single-celled organisms is called

Correct Answer: C) Protozoology.

5. The living portions of the ecosystem.

Correct Answer: A) Biotic factors.

6. What kind of animal is Platypus?

Correct Answer: A) Vertebrate.

7. Which of these is not an organism?

Correct Answer: B) Lung.

8. What is a camel with one hump called?

Correct Answer: C) Dromedary.

9. The net electric charge on DNA and histones is

Correct Answer: C) Negative and positive, respectively.

10. What does the term mollusca mean in Latin?

Correct Answer: A) Soft-bodied.

11. Co2 and nitrogen formed by the combining of

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

12. Which domain contains extremophiles?

Correct Answer: A) Archea.

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

Correct Answer: A) Tube feet.

14. Chymotrypsin acts upon:

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

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

Correct Answer: B) Aboral.

16. For how long thus Platyhelminthes existed.

Correct Answer: C) 839 million years.

17. Segmented Worms feed on ..... and .....

Correct Answer: A) Insect grubs and dead animals.

18. Arrows in a food web represent .....

Correct Answer: C) Energy.

19. Identify the correct phylum:spiders

Correct Answer: D) Arthropoda.

20. Vertebrate's spine

Correct Answer: D) Vertebral column.