Prokaryotes – Online MCQs Test – Biology MCAT

1. All of the following are blood clots except

2. The first antibiotic Penicillin, was derived from:

3. Viruses are made up of

4. Colour less, unicellular, cell wall bound. spherical or rod-shaped micro-organism and lacking organized nucleus is called

5. In bacteria

6. Genetic recombination in which genetic material is transferred from one bacteriumto another by a bacteriophage is:

7. The common method of reproduction in bacteria is:

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

9. Which of the following have thickest walls?

10. Circular, double stranded DNA molecule present in bacterial cell represents:

11. Penicillin antibiotic which effects bacterial

12. If tuft of flagella is present only at one pole of bacteria then these are:

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

14. Celi envelop does not include:

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

16. The bacteria are:

17. Nucleic acids in chromosomes in bacteria are

18. The process of transmitting genetic information from one bacterium to another, causing it to undergo change is:

19. ‘SPIROCHETES’ are grouped as:

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