Zoology Quiz 200 (20 MCQs)

Quiz Instructions

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1. Which animal group do the mollusks, sponges, jellyfish, and worms belong?

Correct Answer: A) Invertebrates.

2. The scientist who described cells as "many little boxes" was

Correct Answer: A) Robert hookey.

3. Beetle is under Class Crustacea because it has an external skeleton which protects its body.

Correct Answer: B) False.

4. Class of annelids that includes earthworms

Correct Answer: A) Oligochaeta.

5. The third level of classification.

Correct Answer: B) Phylum.

6. Which class of mollusks can be terrestrial and may or may not have a shell?

Correct Answer: A) Gastropods.

7. In Pavlov's dog experiment, he tested classic conditioning by:

Correct Answer: A) Putting them in a pen with a lever they could push for food.

8. The American lobster (Homarus americanus) is most closely related to which of the following organisms?

Correct Answer: B) Common lobster (Homarus gammarus).

9. PCo2 of expired air is

Correct Answer: B) B 27 mmHg.

10. Water enters the water-vascular system through small pores in which of the following parts of echinoderms?

Correct Answer: B) Madropori.

11. Where is the Great Barrier Reef located?

Correct Answer: D) Australia.

12. Which phylum do roundworms belong to?

Correct Answer: C) Nematodes.

13. Earthworms have a defined body cavity located within their mesoderm. They would be considered

Correct Answer: A) Coelomates.

14. Name the two forms of phosphates in blood

Correct Answer: D) 1) Sodium dihydrogen phosphate2)sodium monohydrogen phosphate.

15. The name of amphibians means ..... live.

Correct Answer: B) Dual.

16. ..... is the branch of biology that names and groups organisms according to their characteristics and evolutionary history.

Correct Answer: B) Taxonomy.

17. How many layers is the shell composed of?

Correct Answer: C) Three.

18. Caecilians are most closely related to .....

Correct Answer: C) Salamanders.

19. ..... is the smallest bird with a long beak that it uses to drink nectar from flowers.

Correct Answer: B) Humming bird.

20. Which of the following animal is a class of mollusks?

Correct Answer: C) Cephalopods.