Prokaryotes – Online MCQs Test – Biology MCAT

1. At intervals in nostoc filament, there are found slightly larger oblong, colourless cells with slightly thicker walls are called:

2. Bacteria which rarely show chemotaxis are

3. Introduction of vaccine within the body to produce immunity is an example of

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

5. Bacterial cell membrane’s invagination into the cytoplasm is called:

6. Microorganisms were first observed by:

7. The length of the bacteria measures from:

8. Vibrios are:

9. The cells of the bacterium Streptococcus remain arranged in the form of

10. Structure helpful in motility of bacteria is:

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

12. Bacterial flagella is made up of

13. In binary fission, the single fission takes how much time to complete?

14. During photosynthesis, bacteria liberate:

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

16. Which one of the following organisms may respire in the absence of oxygen

17. Bacteria reproduce sexually by

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

19. Common feature between photosynthetic bacteria and photosynthetic plants is

20. Why the food can be kept for a longer time in cold house than in normal conditions?