Biological Sciences Quiz 9 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Both DNA and RNA are made up of repeated units called.

Correct Answer: A) Nucleotides.

2. What method of contraception is the male condom?

Correct Answer: B) Barrier.

3. Each nucleotide of DNA is made up of nitrogenous base, a phosphate group and give carbon sugar called.

Correct Answer: C) Deoxyribose.

4. The basic or fundamental unit of ecology is known as ecological system or.

Correct Answer: A) Ecosystem.

5. Angiosperms or flowering plants have ..... species which are described.

Correct Answer: A) 250, 000.

6. Which is the largest mammal?

Correct Answer: B) Blue whale.

7. Ringworm, athlete, s foot, dandruff, and mycoses are.

Correct Answer: C) Fungal diseases.

8. Genetic information is stored in which class of organic compounds?

Correct Answer: C) Nucleic acids.

9. Anatomy is the study of.

Correct Answer: D) Internal organs.

10. How is carbon dioxide rempved from the air during the carbon cycle?

Correct Answer: B) Photosynthesis.

11. Plasma is a

Correct Answer: A) Liquid.

12. All proteins are made of.

Correct Answer: D) Amino acids.

13. The outer most boundary in most of the plant cells is .

Correct Answer: B) Cell wall.

14. What is the defining characteristic of cnidarians?

Correct Answer: C) Stinging cells.

15. When a starfish grows a new body off a broken arm, what kind of reproduction is this?

Correct Answer: C) Asexual.

16. Monosaccharides are monomers of

Correct Answer: A) Carbohydrates.

17. About 19% of total water of Earth is in .

Correct Answer: A) The oceans.

18. What do they think happened to the dinosaurs?

Correct Answer: D) A meteor hit the earth and caused a temperature change they could not adjust to.

19. Where do you place your title in your drawing?

Correct Answer: C) At the bottom of the page.

20. Collection of tissues grouped together performing a common function.

Correct Answer: A) ORGAN.