Biological Sciences Quiz 4 (25 MCQs)

Quiz Instructions:

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1. About how many hormones are steroids, some are proteins and others have different nature?

2. First antibiotic, penicillin was discovered by Alexander Fleming in.

3. What is sediment?

4. The sleep wake cycle is an example of?

5. Which of the following can we find prokaryotic cell?

6. Which of the following is an example of tissue?

7. Fossils that are created from the impression of an organism are called

8. Reaction to stimulus is called.

9. Parts of Stone Mountain have worn down over time due to people walking up the mountain.

10. What kinds of rocks hold the most fossils?

11. The elements, _____, are found in all of the organic compounds.

12. What does POLY-mean?

13. About _____ different species of animals have been discovered

14. Which is determined by the presence or absence of certain antigens on red blood cells and certain antibodies in the serum?

15. What is the name of the tiny air sacs in your lungs?

16. A _____ may be defined as the fundamental unit of heredity, fromed as a sequence of bases in a DNA chain.

17. Which vitamin is important for bone development?

18. _____ is a carbohydrate that forms plant cell walls, and _____ makes hard shells.

19. The combination of the earth orbiting the sun and tilt of the earths axis gives

20. The estimated number of genes in a human cell is 100, 000 and the number of nucleotide pairs in human DNA is.

21. Consists of functionally related organs.

22. The substances on which the enzymes act are called.

23. Plants use energy to synthesize sugar and starch through the process of .

24. A process in which micro-organisms in the absence of oxygen breakdown carbohydrates into various organic compounds is called

25. What phyla do all vertebrates belong in?