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Viral Structure and Classification MCQs for Competitive Exams

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Viral Structure and Classification MCQs for Competitive Exams

Practice with answers, explanations, and exam-focused revision notes.

54 MCQs Page 2

Topic Notes: Viral Structure and Classification

These notes summarize the key preparation context before you attempt the MCQs. Review the topic focus, then practice the questions below with answers and explanations.

Quick Overview

Viral Structure and Classification MCQs in Biology are useful for candidates who need targeted practice for CSS, PMS, FPSC, PPSC, NTS, entry tests, and other competitive exams in Pakistan. This topic page is designed for quick revision, repeated practice, and exam-focused preparation.

Attempt the questions page by page, check the correct answers, read the explanations where available, and compare your weak areas with past papers and mock test performance. Consistent MCQ practice improves speed, confidence, and retention for objective exam sections.

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11
To which group of viruses does the Rous sarcoma virus belong?
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12
Which biological agent is responsible for causing bovine spongiform encephalopathy, commonly known as mad cow disease?
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13
What is the term for an infectious agent that consists solely of nucleic acids without a protein capsid?
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14
What are the primary chemical components that constitute the structure of a virus?
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15
Which of the following viruses is characterized by having a capsid enclosed within a lipid envelope?
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16
The 'Yellow Vein Mosaic' disease is a significant agricultural problem affecting which crop?
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17
Which botanist provided the initial scientific evidence that sap from a diseased plant could transmit mosaic disease to healthy tobacco plants?
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18
Which metric unit is traditionally used to measure the size of virus particles or virions?
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19
Which characteristic is universally true for all viruses?
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20
Which of the following human diseases is caused by a virus?
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