What is the main advantage of reusable rockets? MCQ with Answer and Explanation

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What is the main advantage of reusable rockets?

A. Higher risk

B. Reduced launch cost

C. Increased weight

D. Slower speed

Answer: Option B

Solution (By JKSSB Mock Tests)

Reusable technology significantly lowers mission costs.

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Question #1

The first antibiotic discovered was:

A. Tetracycline

B. Penicillin

C. Aspirin

D. Streptomycin

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Correct Answer: Option B

Explanation:
Penicillin by Alexander Fleming.

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Question #2

The Green Revolution in India is associated with:

A. A.P.J. Abdul Kalam

B. Vikram Sarabhai

C. Homi Bhabha

D. M.S. Swaminathan

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Correct Answer: Option D

Explanation:
Dr. M.S. Swaminathan is known as the Father of Green Revolution in India.

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Question #3

Which chemical element is found in all organic compounds?

A. Oxygen

B. Carbon

C. Nitrogen

D. Sulfur

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Correct Answer: Option B

Explanation:
Organic chemistry is defined as the study of carbon-based compounds.

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