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April 27, 2026

This is Microbiology mcq set-4 containing mcq from question 41 to 45 in the series of hundreds Microbiology mcq which are very important for staff nurse, AIIMS, PGIMER nursing recruitment examinations. MCQ are given below:

Microbiology MCQ set-4 Question 41:-

Bacteria which have single flagellum at each end are called-

(a) Monotrichous
(b) Lophotrichous
(c) Amphitrichous
(d) Peritrichous

Ans: (c) Amphitrichous ✔

Microbiology MCQ Question 42:-

Non-motile small appendages on the surface of bacteria which help in transfer of DNA from one cell to another during conjugation are called-

(a) Fimbriae
(b) Pili
(c) Flagella
(d) None of these

Ans: (b) Pili ✔

Microbiology MCQ Question 43:-

The first human disease proved to have a viral aetiology-

(a) Rabies
(b) Hepatitis
(c) Yellow fever
(d) Small-pox

Ans: (c) Yellow fever ✔

Microbiology MCQ Question 44:-

Bacteria that thrive in high temperature (55°C 80°C) are called-

(a) Mesophilic
(b) Thermophilic
(c) Hyperthermophilic
(d) Psychrophilic

Ans: (b) Thermophilic ✔

Microbiology MCQ Question 45:-

Spherical bacteria occurring in clusters are called-

(a) Staphylo cocci
(b) Strepto cocci
(c) Pneumo cocci
(d) Coccobacilli

Ans: (a) Staphylo cocci ✔

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