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Classes
- Grade 9
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- Grade 12
Aptitude Tests

Browse Worksheets
Classes
- Grade 9
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- Grade 11
- Grade 12
Aptitude Tests

MDCAT Biology Chapter 1

Leave a Comment / By Afshan JAMAL / August 24, 2026

Welcome to your MDCAT Biology Chapter 1

Choose the correct option about the following figure:

Choose the correct option.

A. A is showing Envelope

B. B is not showing envelope

C. C is showing RT

D. D is showing RNA

None

If you are studying the structure of HIV, you will observe spikes associated with the

Choose the correct option.

A. Core

B. Capsid

C. Envelope

D. Genome

None

Which of the following virus is DNA enveloped

Choose the correct option.

A. Polio virus

B. Hepatitis B virus

C. HIV

D. Measles virus

None

Which is irrelevant?

Choose the correct option.

A. Genome to virus structure

B. Capsomeres to Capsid

C. Tumors to retroviruses

D. Envelope to all viruses

None

Newly synthesized Large proteins are digested into small viral proteins by

Choose the correct option.

A. Host protease

B. Viral protease

C. Viral RT

D. Host pepsin

None

Head of T4 bacteriophage contain

Choose the correct option.

A. Single stranded DNA

B. Double stranded DNA

C. Single stranded RNA

D. Both RNA and DNA

None

In life cycle of bacteriophage, ___ occurs followed by _____.

Choose the correct option.

A. Assembly. Penetration

B. Multiplication, landing

C. Tail contractio. Penetration

D. Penetration, Assembly

None

Which type of nucleic acid is found in the capsid of HIV

Choose the correct option.

A. RNA

B. DNA

C. ssDNA

D. None

None

The persistent symptoms of small pox are

Choose the correct option.

A. Raised fluid filled vesicles

B. The pocks

C. Pustules

D. Vascular lesions

None

Virus without envelope is

Choose the correct option.

A. HIV

B. Hepatitis B

C. Polio virus

D. Hepatitis C

None

Vaccine for___ is under trial administration

Choose the correct option.

A. Hep A

B. Polio

C. Measles

D. AIDS

None

The best known phages are T phages that infect

Choose the correct option.

A. Pseudomonas

B. Mycoplasma

C. Escherichia Coli

D. Salmonella

None

Herpes type-1 virus causes

Choose the correct option.

A. Pitted scars

B. Swollen neck

C. Rashes on genitals

D. Vascular lesions

None

Retroviruses cause tumors in

Choose the correct option.

A. Rodents

B. Fowls

C. Cats

D. All

None

Which of the following is a common feature of all viruses

Choose the correct option.

A. DNA replication in cytoplasm

B. RNA synthesis in nucleus

C. Protein synthesis in cytoplasm

D. Reverse transcription in cytoplasm

None

Question missing: The options for Q16 could not be determined from the PDF.

Choose the correct option.

Option A

Option B

Option C

Option D

None

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