MDCAT Biology Chapter 3 MCQ's Test With Answers

MDCAT Biology Chapter 3 MCQ's Test

Sr. # Questions Answers Choice
1 In Binary fission, parent cell Shrinks Enlarges Looses cell wall Becomes dormant
2 They can live as both aerobic and anerobic Microaerophilic Obligate aerobes Facultative Bacteria All of these
3 Which of the following is chemosynthetic? Green sulphur Purple non sulfur Purple sulfur Nitrifying
4 Photosynthetic bacteria posses Chl a Chl b Chl c None of these
5 Which of these bacteria have very extensive enzyme system? Saprophytic Parasitic Chemosynthetic Autotrops
6 Most of the bacteria are Parasites Heterotrophic Autotrophic None of these
7 They are produced at late stage of cell growth Capsule Cyst Spores All of these
8 Common waste material in the cytoplasm of bacteria Alcohol Lactic acid Acetic acid All of these
9 Mesosomes are found in the form of which of the followings? Lamellae Vesicle Tubules All of these
10 Ribosome of prokaryotes are found Freely dispersed Attached to cell membrane Both a & b In region of Nucleoid
11 Factory of ribosome synthesis in Bacteria? Nucleolus Nucleoid Chromosome None of these
12 Plasmids are important _________ in modern genetic engineering Circular single stranded DNA Double stranded RNA Circular double stranded DNA Essential for growth of DNA
13 Plasmid are Circular single stranded DNA Double stranded RNA Circular double stranded DNA Essential for growth of DNA
14 Chromosome of E coil measures about _________ micrometer 1400 140 14000 14
15 Bacteria are Haploid Diploid Triploid No relation
16 Cytoplasm of prokaryotes lacks Cytoskeleton Ribosomes Mesosomes Storage granules
17 Which is true for Gram-positive wall? Lipids 10-11% 8-11nm thickness Lipoproteins Peptidoglycan
18 Gram-positive bacteria retain primary dye due to formation of which complex? CV-B CV-Z CV-I All of these
19 During Gram staining positive bacteria are stained Purple Pink Blue Red
20 In bacteria beneath extracellular substances and external to cell membrane is present Cell wall Capsule Cyst Slime
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