Match List I with List II.
List I List II
P. Light saturation 1. About 0.05%
Q. Beneficial CO₂ enrichment 2. 10% of full sunlight
R. CO₂ saturation in C₄ plants 3. Beyond 450 μL L⁻¹
S. CO₂ saturation in C₃ plants 4. About 360 μL L⁻¹

(a) P-4, Q-3, R-2, S-1 Your answer
(b) P-2, Q-1, R-3, S-4 Your answer
(c) P-2, Q-1, R-4, S-3 Correct
(d) P-1, Q-2, R-4, S-3 Your answer

Your answer: Correct answer: (c)

Explanation

Why (c) is correct

Light saturation: 10% of full sunlight (2). Beneficial CO₂ enrichment: about 0.05% (1). C₄ CO₂ saturation: about 360 μL L⁻¹ (4). C₃ plants keep responding beyond 450 μL L⁻¹ (3). So P-2, Q-1, R-4, S-3.

Why the other options are wrong

(a) · your answer This mixes up all four.
(b) · your answer This swaps the C₃ and C₄ CO₂ figures.
(d) · your answer This swaps light saturation and CO₂ enrichment.

NCERT point: These numbers are given in the NCERT section on factors affecting photosynthesis.

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List I	List II
P. Light saturation	1. About 0.05%
Q. Beneficial CO₂ enrichment	2. 10% of full sunlight
R. CO₂ saturation in C₄ plants	3. Beyond 450 μL L⁻¹
S. CO₂ saturation in C₃ plants	4. About 360 μL L⁻¹

Match List I with List II.List IList IIP. Light saturation1. About 0.05%Q. Beneficial CO2 enrichment2. 10% of full sunlightR. CO2 saturation in C4 plants3. Beyond 450 μL L−1S. CO2 saturation in C3 plants4. About 360 μL L−1

Explanation

Why (c) is correct

Why the other options are wrong

Similar questions

Match List I with List II.
List I List II
P. Light saturation 1. About 0.05%
Q. Beneficial CO₂ enrichment 2. 10% of full sunlight
R. CO₂ saturation in C₄ plants 3. Beyond 450 μL L⁻¹
S. CO₂ saturation in C₃ plants 4. About 360 μL L⁻¹