Practice Questions

Viruses are unique from bacteria because they have the ability to:

A. Reproduce
B. Crystallize ✓
C. Mutate
D. Metabolize
nmdcat.online ACELLULAR LIFR
Jun 24, 2026

Which of the following is NOT a component of a typical virus?

A. Capsid
B. Genetic material
C. Nucleus ✓
D. Envelope
nmdcat.online ACELLULAR LIFR
Jun 24, 2026

The viral envelope is primarily derived from:

A. Host cell membrane ✓
B. Viral genome
C. Capsid proteins
D. Ribosomes
nmdcat.online ACELLULAR LIFR
Jun 24, 2026

Which viral shape is characterized by a long tube or rod-like structure?

A. Icosahedral
B. Spherical
C. Helical ✓
D. Complex
nmdcat.online ACELLULAR LIFR
Jun 24, 2026

Bacteriophages that induce immediate bacterial cell lysis are called:

A. Temperate phages
B. Lysogenic phages
C. Virulent phages ✓
D. Prophages
nmdcat.online ACELLULAR LIFR
Jun 24, 2026

Which of the following structures aids a virus in attaching to host cells?

A. Nucleus
B. Lipid envelope
C. Glycoproteins ✓
D. Ribosomes
nmdcat.online ACELLULAR LIFR
Jun 24, 2026

The subunits that make up the viral capsid are known as:

A. Nucleoids
B. Capsomeres ✓
C. Spikes
D. Peplomers
nmdcat.online ACELLULAR LIFR
Jun 24, 2026

Tobacco Mosaic Virus (TMV) is an example of a:

A. DNA virus
B. RNA virus ✓
C. Bacteriophage
D. Enveloped virus
nmdcat.online ACELLULAR LIFR
Jun 24, 2026

Which enzyme is used by retroviruses to convert RNA into DNA?

A. Integrase
B. Protease
C. Reverse transcriptase ✓
D. DNA polymerase
nmdcat.online ACELLULAR LIFR
Jun 24, 2026

Which of the following is the primary criterion used for classifying viruses?

A. Host specificity
B. Genetic material ✓
C. Mode of transmission
D. Shape of capsid
nmdcat.online ACELLULAR LIFR
Jun 24, 2026
Page 465 of 1127
Jump to:

🏆 Top Contributors

  • N

    nmdcat.online

    11260 MCQs

  • N

    NMDCAT.ONLINE

    1 MCQ

  • G

    GULABsb

    1 MCQ

Categories

View all →