Biology MCQs

Biology

Acellular Life


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#9

The shape of the Tobacco Mosaic Virus (TMV) is:

A) Spherical

B) Helical

C) Polyhedral

D) Complex

Answer:   B
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#10

A bacteriophage is a virus that infects:

A) Plants

B) Animals

C) Bacteria

D) Fungi

Answer:   C
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#11

The process by which a bacteriophage injects its DNA into a host cell is called:

A) Endocytosis

B) Penetration

C) Adsorption

D) Budding

Answer:   B
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#12

The lytic cycle of viral replication results in the:

A) Integration of viral DNA into host DNA

B) Immediate replication and lysis of the host cell

C) Formation of a provirus

D) Latent infection

Answer:   B
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#13

The stage of the lytic cycle where new viral particles are assembled is called:

A) Adsorption

B) Penetration

C) Biosynthesis

D) Maturation

Answer:   D
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#14

The lysogenic cycle is characterized by:

A) Immediate host cell death

B) Integration of viral DNA into the host cell's chromosome

C) Rapid viral replication

D) Release of viral particles through budding

Answer:   B
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#15

The integrated viral DNA in a lysogenic bacterium is called a:

A) Prophage

B) Provirus

C) Virion

D) Prion

Answer:   A
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#16

What triggers a prophage to enter the lytic cycle?

A) Lysis

B) Induction

C) Adsorption

D) Penetration

Answer:   B
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