1.

Regarding assertion and reason choose the right option Assertion [A]: Only some fraction of the total solar energy input is utilized by plants. Reason [R]: Of the total solar radiation, only a certain spectrum is used by plants, and this region of the spectrum is called PAR.

Answer»

Regarding assertion and reason choose the right option
Assertion [A]: Only some fraction of the total solar energy input is utilized by plants.
Reason [R]: Of the total solar radiation, only a certain spectrum is used by plants, and this region of the spectrum is called PAR.



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