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SSC GD General Awareness General Science Medium Practice Question

Learn + Solve: Shortcut, Trap & Fast Route Click to view shortcut, steps, and common mistake

Shortcut used: Identify the fact category first, then eliminate options that are historically, geographically, or constitutionally impossible.

Solve in 3 steps:

Decide whether the question is static GK, current affairs, polity, history, geography, or science.
Recall the exact fact or nearest anchor fact.
Eliminate options that conflict with that fact.

Common mistake: Do not use arithmetic or analogy shortcuts for General Awareness facts.

Question 1 Multiple Choice Question

Question

Which gas forms the largest percentage of Earth's atmosphere by volume?

Explanation

Correct Answer: C

ANSWER

Correct Answer: C

Method / Topic: General Science

Nitrogen makes up about 78% of Earth's atmosphere.

Why this answer is correct

The correct option matches the accepted factual reference for this topic.

Short Explanation

Nitrogen makes up about 78% of Earth's atmosphere.

Detailed Explanation

Question

Which gas forms the largest percentage of Earth's atmosphere by volume?

ANSWER

Correct Answer: C

Method / Topic: General Science

Nitrogen is the most abundant gas in Earth's atmosphere, making up about 78 percent of dry air by volume. Oxygen is about 21 percent, while argon and carbon dioxide occur in much smaller amounts. Therefore option C, Nitrogen, is correct.

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Question 1

Medium Marks: 2.0 Practice Question

Learn + Solve: Shortcut, Trap & Fast Route Click to view shortcut, steps, and common mistake

Shortcut used: Identify the fact category first, then eliminate options that are historically, geographically, or constitutionally impossible.

Solve in 3 steps:

Decide whether the question is static GK, current affairs, polity, history, geography, or science.
Recall the exact fact or nearest anchor fact.
Eliminate options that conflict with that fact.

Common mistake: Do not use arithmetic or analogy shortcuts for General Awareness facts.

Question

Which gas forms the largest percentage of Earth's atmosphere by volume?

Explanation

Correct Answer: C

ANSWER

Correct Answer: C

Method / Topic: General Science

Nitrogen makes up about 78% of Earth's atmosphere.

Why this answer is correct

The correct option matches the accepted factual reference for this topic.

Short Explanation

Nitrogen makes up about 78% of Earth's atmosphere.

Detailed Explanation

Question

Which gas forms the largest percentage of Earth's atmosphere by volume?

ANSWER

Correct Answer: C

Method / Topic: General Science

Nitrogen is the most abundant gas in Earth's atmosphere, making up about 78 percent of dry air by volume. Oxygen is about 21 percent, while argon and carbon dioxide occur in much smaller amounts. Therefore option C, Nitrogen, is correct.

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