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UHS /
Biology /
Chap No 4 /
Quiz 1

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MDCAT Past Papers - UHS - Biology - Chap No 4 Quiz

Attempt 10 MCQs on MDCAT Past Papers - UHS - Biology - Chap No 4 | Quiz 1

1. In virus, a combined structure formed by core(nucleic acid) and capsid is:

Nucleocapsid
Prion
Envelope
Capsomeres

2. The complex, mature and infection virus is known as:

Venome
Genome
Virion
Capsid

3. Which of the following is 'Not related' to enveloped virus?

They survive for a short time.
Their envelope is sensitive to sunlight
they are tolerant to antibodies.
Envelope is derived from host.

4. Choose the organism which requires a single cellular gene to encode the protein making up the organism:

Viroid
Prions
virus
Virion

5. Pox virus has:

Double stranded DNA
Single stranded DNA
double stranded RNA
both a & b

6. Corona virus is enveloped virus. Hand sanitizers and surface cleaners were recommended to avoid covid epidemic. Which property of corona virus made these products reactive?

pH sensitivity
Heat sensitivity
ss RNA genome
Hypotonicity

7. Lysogenic viruses are also known as:

Enveloped phage
Virulent phage
Prophage
Bacteriophage

8. What does the term bacteriophage refer to?

A virus that infects bacteria
A bacterium that infects virus
A virus which behaves as bacteria
Combination of Bacterium & virion

9. Bacteriophage viruses were discovered by:

Twort and herelle
louis and virchow
Ivanowski
Edward Jenn

10. In HIV viruses, reverse transcriptase convert single stranded RNA into double stranded DNA. This process is called:

Translation
Duplication
Replication
Reverse transcription

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