Biology Test 1 MCQs Online

1. Most cell membranes are composed principally of?

2. Production of sweat and sebum is related with?

3. Sodium ions are “pumped” from a region of lower concentration to a region of higher concentration in the nerve cells of humans. This process is an example of?

4. Messenger RNA is formed in?

5. The evaporative cooling in the respiratory tract of dogs is called?

6. Which is an organic compound found in most cells?

7. Which are the four most abundant elements in living cells?

8. Smallest disease causing agents in plants are?

9. Haemodialysis means cleaning of?

10. Pigment present in red algae is?

11. The major cell infected by the HIV is lymphocyte?

12. Proteins are made from amino acids by the process of?

13. Which of the following pathogen type cause disease that can be treated with antibiotics?

14. Nutrition in fungi is?

15. Fungi resemble plants because they lack?

16. Normally, in the process of osmosis, the net flow of water molecules into or out of the cell depends upon differences in the?

17. Protein factory is?

18. Starch is converted into maltose by?

19. Co-enzyme is often formed from?

20. Number of chromosomes in E.coli?