Biological Sciences Quiz 8 (25 MCQs)

Quiz Instructions:

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1. _____ are highly specialized proteins that control the chemical reactions in all living cells.

2. Lipids can be digested into what smaller subunits?

3. Smallest unit of all living organisms.

4. Which group of biomolecules provide quick energy to organisms?

5. The basic use of all scientific information is to improve the quality of our.

6. What is the name of the bacteria found the root nodules of clover?

7. The shrinkage of protoplasm due to exosmosis of water from the cell is known as.

8. Why are the four biological macromolecules essential for life?

9. There are more than _____ species of mosses.

10. It is not advisable to sleep under trees during.

11. There are more than _____ million species of living organisms which have been discovered .

12. Pines are the common examples of .

13. Pack of wolves, school of fishes and pride of lions.

14. Why are all cells different?

15. The hormone insulin controls the way in which the body uses.

16. Gases involved in respiration are.

17. Which is required for making flesh and repairing damages?

18. A plant like organism that is consist of Hypae and rhizoids.

19. The energy for the movement of cilia is provided by.

20. Evolved from different ancestors, but due to living in similar environments have a similar function.

21. Only difference between a fat and oil is.

22. How does vegetation in the soil affect the rate of erosion?

23. Human body contains about 3 to 4 gm of.

24. A structure that serves the same purpose, but is not made in the same way is called

25. Pteridophytes were much more abundant at least _____ million years ago in the Pennsylvanian period than they are today.