NEET Botany Mineral Nutrition Questions Solved

AIIMS - 2014

Plants do not get benefit from

(a) N2 in air

(b) O2 in air

(c) CO2 in air

(d) O3 in air.

(d): Ozone is a harmful secondary air pollutant. Ozone, being a strong oxidant destroys chlorenchyma, produces necrosis, hardens rubber, damages textiles, corrodes the surface of marble statues and heritage buildings.

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