(A) Cotton pollen grains, specifically from the plant $Parthenium$ $hysterophorus$ (also known as Carrot grass), are a significant source of air pollu

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(A) Cotton pollen grains, specifically from the plant $Parthenium$ $hysterophorus$ (also known as Carrot grass), are a significant source of air pollution and are known to cause respiratory allergies. In the context of Indian cities, $Parthenium$ pollen is widely recognized as a major pollutant in $Delhi$.

Class 12 Biology Environmental Issues Pollution

Easy

Cotton pollen grains are an important pollutant in which of the following cities?

A
Delhi
B
Ahmedabad
C
Madras
D
Calcutta

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Cotton pollen grains are an important pollutant in which of the following cities?

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Assertion : Water pollutants are measured by $BOD$.Reason : If $BOD$ is more,the water is polluted.

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Assertion : Water pollutants are measured by $BOD$.
Reason : If $BOD$ is more,the water is polluted.