Prokaryotes – Online MCQs Test – Biology MCAT

1. The habitat of E. coil is

2. In bacterial growth curve, inactive phase is:

3. Bacteria usually reproduce asexually by:

4. Protoplasm in cyano bacteria is differentiated into an outer colored region called:

5. Vibrios are:

6. Cell membrane present in bacteria is made up of:

7. Cyanobacteria are:

8. Transfer of genetic information from one bacterium to another in the transduction process is through

9. The DNA of E.coli is

10. Phase during which bacteria prepare themselves for division is:

11. Bacteria that has already been programmed to make hormones and insulin for diabetics are:

12. A compound which is produced by an organism and inhibits the growth of other organism is called

13. A molecule of haemoglobin contains four haem groups. The haem groups contain iron atoms which can bond reversibly with oxygen. How many oxygen atoms can be carried by one haemoglobin molecule?

14. The bacteria are:

15. Which statement explains how mass flow arises in sieve tube elements?

16. In plant cells, the number of golgi bodies increases during

17. Bacteria which can only survive in the presence of oxygen are:

18. Common feature between photosynthetic bacteria and photosynthetic plants is

19. Circular DNA molecule occurs in

20. Cyano bacteria contain: