Prokaryotes – Online MCQs Test – Biology MCAT

1. Cyano bacteria contain:

2. 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?

3. The nitrifying bacteria are

4. Bacterial flagella is made up of

5. Circular DNA molecule occurs in

6. In many bacteria the cell membrane becomes in vaginated and folded to form

7. Bacteria that grow inside the tissues of other living organisms and obtain food at the expense of host are:

8. Which of the following have thickest walls?

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

10. It is the measure of force with which blood pushes up against the walls of blood vessels

11. The correct sequence of stages of growth curve for bacteria is

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

13. Bacteria get their food from the host but without harming it are:

14. Celi envelop does not include:

15. The first antibiotic Penicillin, was derived from:

16. The method of survival of bacteria under unfavourable conditions is:

17. ‘SPIROCHETES’ are grouped as:

18. The bacteria are:

19. Bacteria reproduce sexually by

20. Bacteria that get their food from dead organic matter are termed as: