Which gas do plants absorb from the atmosphere during photosynthesis?
Difficulty: Easy
About this MCQ
This Easy Everyday Science MCQ checks one syllabus fact. Candidates use it for NTS GAT General practice.
The question is: “Which gas do plants absorb from the atmosphere during photosynthesis?”
The accepted answer is C. Carbon dioxide. During photosynthesis, plants use carbon dioxide and water in the presence of sunlight and chlorophyll to produce glucose and oxygen.
- A. Oxygen
Why not A: Plants release oxygen as a by-product of photosynthesis.
- B. Nitrogen
Why not B: Nitrogen is abundant in air but not the gas absorbed for photosynthesis.
- C. Carbon dioxide ✓
- D. Hydrogen
Why not D: Hydrogen is not the atmospheric gas plants absorb for photosynthesis.
Correct answer
C. Carbon dioxide
Explanation
During photosynthesis, plants use carbon dioxide and water in the presence of sunlight and chlorophyll to produce glucose and oxygen.
Source: Biology — photosynthesis equation
Tags: Biology
Relevant exams: NTS GAT General
Submitted by: MCQsHub Editorial
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