MCQs

11262 questions found

Practice Questions

Viral genome inserted into bacterial DNA is termed as:

A. Lysogeny

B. Prophage ✓

C. Lytic cycle

D. Binary fission

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nmdcat.online ACELLULAR LIFR

Jun 24, 2026

The genetic material of a virus can be:

A. DNA only

B. RNA only

C. Either DNA or RNA ✓

D. Both DNA and RNA

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nmdcat.online ACELLULAR LIFR

Jun 24, 2026

Which instrument was essential for revealing the structure of viruses?

A. Light microscope

B. Compound microscope

C. Electron microscope ✓

D. Dissecting microscope

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nmdcat.online ACELLULAR LIFR

Jun 24, 2026

Which virus belongs to Baltimore Class VI?

A. HIV ✓

B. Poliovirus

C. Smallpox

D. Rabies

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nmdcat.online ACELLULAR LIFR

Jun 24, 2026

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

A. Reproduce

B. Crystallize ✓

C. Mutate

D. Metabolize

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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

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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

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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

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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

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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

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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

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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

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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

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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

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nmdcat.online ACELLULAR LIFR

Jun 24, 2026

The protein coat surrounding the genetic material in a virus is called:

A. Capsid ✓

B. Envelope

C. Capsomere

D. Peplomer

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nmdcat.online ACELLULAR LIFR

Jun 24, 2026

Viruses are considered obligate intracellular parasites because:

A. They have no ribosomes

B. They can only replicate inside host cells ✓

C. They contain only one type of nucleic acid

D. They lack mitochondria

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nmdcat.online ACELLULAR LIFR

Jun 24, 2026

To obtain an actual yield of 40g of a product with a 80% yield, one must start with reactants calculated to produce a theoretical yield of:

A. 32 g

B. 40 g

C. 50 g ✓

D. 80 g

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nmdcat.online Chemistry NMDCAT MCQs

Jun 23, 2026

If you obtain 4.5 g of a product and the percent yield was 90%, the theoretical yield was:

A. 4.05 g

B. 4.5 g

C. 5.0 g ✓

D. 9.0 g

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nmdcat.online Chemistry NMDCAT MCQs

Jun 23, 2026

A lab procedure states that the reaction has a 95% yield. If the theoretical yield is 10 g, the expected actual yield is:

A. 10 g

B. 9.5 g ✓

C. 10.5 g

D. 95 g

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nmdcat.online Chemistry NMDCAT MCQs

Jun 23, 2026

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MCQs

Practice Questions

Viral genome inserted into bacterial DNA is termed as:

The genetic material of a virus can be:

Which instrument was essential for revealing the structure of viruses?

Which virus belongs to Baltimore Class VI?

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

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

The viral envelope is primarily derived from:

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

Bacteriophages that induce immediate bacterial cell lysis are called:

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

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

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

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

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

The protein coat surrounding the genetic material in a virus is called:

Viruses are considered obligate intracellular parasites because:

To obtain an actual yield of 40g of a product with a 80% yield, one must start with reactants calculated to produce a theoretical yield of:

If you obtain 4.5 g of a product and the percent yield was 90%, the theoretical yield was:

A lab procedure states that the reaction has a 95% yield. If the theoretical yield is 10 g, the expected actual yield is:

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