HPU M. Sc. Microbiology Model Practice Questions

HPU M. Sc Model Questions for Microbiology:

A – General Microbiology
1. Which of the following represents a series of microorganisms of increasing size?
a) Fungi, viruses, bacteria
b) Viruses, bacteria, fungi
c) Protozoa, fungi, rickettsiae
d) Rickettsiae, viruses, protozoa

2. Which of the following is not a prokaryote?
a) Bacterium
b) Amoeba
c) Blue green algae
d) Archaebacteria

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B – Biochemistry and Cell Biology
3. Vmax of an enzyme measures the
a) substrate affinity
b) catalytic efficiency
c) enzyme activity
d) coenzyme affinity

4. Which of the following is NOT involved in mitochondrial ET
a) NADH
b) cytochrome P450
c) cytochrome b
d) non heme iron

C – Parasitology and Immunology
5. What causes cerebral malaria?
a) Plasmodium vivax
b) P. falciparum
c) P. ovale
d) P. malariae

6. Reduviid bug is the vector for which parasite?
a) Trypanosoma cruzi
b) Trypanosoma brucii
c) Loa loa
d) Brugia malayi

D – Mycology and Phycology
7. The formation of starch in many species of Chlorophyta is intimately associated with organelles called
a) heterocysts
b) eye-spots
c) pyrenoids
d) cysts

8. Which of the following algae is commonly called the “water net”?
a) Chlorella
b) Scenedesmus
c) Pediastrum
d) Hydrodictyon

E – Genetics and Molecular Biology
9. During interaction of the drug Actinomycin-D with DNA, it intercalates between
a) A & T
b) G & G
c) A & U
d) G & C

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10. A nucleic acid was analyzed and found to contain 37 percent A, 16 percent G, 22 percent C, and 25 percent T. The nucleic acid must be:
a) s-stranded RNA
b) s-stranded DNA
c) d-stranded RNA
d) d-stranded DNA