Prokaryotes MCQs MDCAT PDF | Chapter 6 Important Questions & Answers

1 Bacteria were discovered by:

2 The invagination of cell membrane of bacteria into the cytoplasm is called:

3 The hollow filamentous structure help in conjugation in bacteria are called:

4 The structure which helps in respiration, export of enzymes, cell division and DNA replication in bacteria is called:

5 The true bacteria are called:

6 The ancient bacteria are called:

7 The bacteria which can manufacture their own food material are called:

8 Cell membrane of bacteria is composed of:

9 Rod-shaped bacteria are called:

10 Spherical bacteria are called:

11 When spherical bacteria are present in bundles or groups, they are called:

12 Bacteria which obtain their food from dead organic matter are called:

13 Bacteria which obtain their energy from oxidation of inorganic substances are called:

14 During photosynthesis the bacteria use:

15 During photosynthesis the bacteria release:

16 The bacteria which get nutrition by the association with other living organisms are called:

17 The bacteria which require very less O₂ for growth are called:

18 The bacteria which are killed in the presence of O₂ are called:

19 The bacteria which use O₂ but can respire without are called:

20 The bacteria which can only survive in the presence of O₂ are called:

21 In bacteria the locomotory organs are called:

22 The inactive phase of growth during which bacteria prepare themselves for division is called:

23 The phase in which bacteria grow and multiply very rapidly is called:

24 The phase in which bacterial multiplication is equal to death rate is called:

25 The phase in which death rate is more rapid than multiplication rate in bacteria is called:

26 The most common method of reproduction in bacteria is:

27 The process in which genetic material is transferred from one bacterium into another bacterium through a tube like structure is called:

28 Endospore formation takes place in:

29 The process in which genetic material of one bacterial cell is transferred into another cell through bacteriophage virus is called:

30 The process in which bacteria acquire genetic characters from other bacteria is called:

31 Streptomycin, Terramycin and Neomycin antibiotics are obtained from:

32 Incomplete nucleus is present in:

33 Nostoc belongs to:

34 Body of Nostoc is called:

35 Heterocyst takes part in:

36 Reproduction by arthrospores (akinetes) takes place in:

37 The resting inactive reproductive bodies in Nostoc are called:

38 When filaments of Nostoc are intermixed in a gelatinous mass forming a ball-like structure, it is called:

39 The outer colored part of Nostoc cell is called:

40 The inner colorless region of Nostoc cell is called:

41 The blue color of Cyanobacteria Nostoc is due to the presence of:

42 Cyanobacteria are placed in kingdom:

Prokaryotes