MDCAT Biology Chapter 3 MCQ's Test With Answers

MDCAT Biology Chapter 3 MCQ's Test

Sr. # Questions Answers Choice
1 Gram-positive bacteria stain Purple Pink Green Does not stain
2 Cell walls of archaeobacteria do not contain Peptidoglycan Cellulose Chitin Cutin
3 Some bacteria are covered within loose,soluble shield of macromolecules called Capsule Slime Cell wall Cell envelop
4 In bacteria the complexes of layers external to the cell protoplasm are called Cell envelope Cell wall Slime Capsule
5 The structures involved in mating process between bacterial cell (conjugated) are Palsmids Pilli Mesosomes Flagella
6 Pilli are made up of a special protein called Pillin Tubulin Flagellin Fibrinogen
7 Hollow, non-filamentous, filamentous appendages that are smaller than flagella and primarily involved in conjugation are Pilli Plasmids Flagella Mesosomes
8 Which of the following bacteria can detect and move in response to chemical signals? Atrichous Flagellate Aerobic Anaerobic
9 Which of the followings very rarely has flagella Bacilli Cocci Spirilia Vibrios
10 In which bacteria flagella ate surrounding the whole bacterial cell Atrichous Amphitrichous Peritrichous Lophotrichous
11 If a tuft of flagella is present only at one pole of bacteria they are called Monotrichous Lopotrichous Amphitrichous Pertitrichous
12 The bacteria without flagella are called Atrichous Lopotrichous Peritrichous Monotrichous
13 Tubular shafts in bacteria that serve as a means of attachment of bacteria to various surfaces Flagella Fimbriae Pilli Slime
14 Not true for flagella in bacteria Aid in motility Help detect chemical stimuli Help to attach to host surface Used to classify
15 A thin, flexible spiral-shaped bacterium is called a Vibrio Spirochete Spirillum Coccus
16 The rod-shaped bacteria are called Cocci Bacilli Vibriods Spirilla
17 When cocci a long chain of cells the arrangement is said to Diplococcus Streptococci Sarcina Staphylococcus
18 Diplococcus pneumoniae is an example of which of the following type of arrangement in bacteria Diplococcus Staphylococcus Streptococcus Sarcina
19 If the cocci bacteria are arranged in irregular manner like clusters of grapes. They are called Diplococci Sarcina Staphylococci Streptococci
20 Flagellum of bacteria arises from Pilli Ceil membrane Cell wall Basal body
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