Penicillin was discovered by: MCQ with Answer and Explanation

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Penicillin was discovered by:

A. Robert Koch

B. Alexander Fleming

C. Louis Pasteur

D. Joseph Lister

Answer: Option B

Solution (By JKSSB Mock Tests)

Alexander Fleming discovered Penicillin in 1928.

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Question #1

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Which of these is a major biotechnology application?

A. Manufacturing cars

B. Building bridges

C. Mining coal

D. Producing vaccines

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Correct Answer: Option D

Explanation:
Biotechnology involves using biological systems to develop products, including life-saving vaccines.

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Question #2

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Mission Shakti was related to:

A. Human spaceflight

B. Anti-satellite missile test

C. Mars mission

D. Moon landing

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Correct Answer: Option B

Explanation:
Mission Shakti demonstrated India's ASAT capability in 2019.

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Question #3

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What does 'DNA' stand for?

A. Deoxyribonucleic Acid

B. Digital Nucleic Acid

C. Dynamic Nucleic Acid

D. Detoxified Nucleic Acid

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Correct Answer: Option A

Explanation:
DNA stands for Deoxyribonucleic Acid, which carries genetic instructions for life.

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