Question

The percentage of light energy utilized for photosynthesis by higher plants is [CPMT 1972, 91; BHU 1979; RPMT 1990]
A) 100%
B) 50 %
C) 10%
D) 1 to 2%

Answer 1

10%.... is the correct answer....

HOPE IT HELPS you

Answer 2

The ‘percentage of light energy’ utilized for ‘photosynthesis’ by higher plants is 10%.

Option: C

Explanation:  

• The plants are the only organisms in the earth that can synthesize their own food. Any organism on the earth depends upon the plants for their energy.

• This plant utilises the sun’s light energy to perform photosynthesis and synthesize its own food.  

• But it is also proved that the ‘amount of energy’ that flows from one ‘trophic level’ to another is only 10%.  

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