MDCAT Biology Chapter 3 MCQ's Test With Answers

MDCAT Biology Chapter 3 MCQ's Test

Sr. # Questions Answers Choice
1 Leauwenhoek called microbes as Bacteria Venom Animals Aminalcules
2 He was 1st to report microbes Robert Koch Louis Pasteur Leeuwenhoek None of these
3 These are ancient bacteria Archeobacteria Eubacteria Euplectella All of these
4 Microbiologists place bacteria in ______ major categories 2 4 6 8
5 Facultative bacteria can grow In the presence of oxygen In the absence of oxygen Both a & b None of these
6 Which of these form granules or act as storage bodies in bacteria Sulfur Minerals Starch All of these
7 Bacterial cells have A pair of DNA A pair of chromosomes Two sets of chromosomes Single DNA molecule
8 Bacterial cyst & spores help in Reproduction Storage Support Survival
9 In which phase death rate becomes equal to rate of reproduction Lag phase Log phase Stationary phase Decline phase
10 They do not have peptidoglycan in their cell wall Gram positive Gram negative Archeobacteria Eubacteria
11 B. subtilis Coccus Spirllum Bacillus Vibrio
12 Some members of genus mycoplasma are 100-200mm 100-200mu 100-200nm Both b & c
13 Hyphomicrobium is a _________ Diplobacillus bacterium Spiral bacterium Sarcina Tetrad
14 Pasteur made vaccine for Cholera Hydrophobia Anthrax All of these
15 Attenuated cultures of bacteria used as Pure cultures Artificial cultures Both Discoloration of teeth
16 Which can be sterilized by membrane filters Mix products Surgical instruments Antibiotic None of these
17 Which effect kills the microbe immediately Microbistatic Microbicidal Cytoplasmic None of these
18 E. coil is an Aerobic Anaerobic Facultative aerobe Facultative anerobe
19 Which protects the cell from osmotic lysis Capsule Cell wall Cell membrane Slime
20 Which bacteria only rarely have flagella Spirilla Diplobaccili Cocci Vibrio
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