question_answer

Increase in the percentage of fauna and decrease in flora may be dangerous because it enhances [CPMT 1991]

A) Percentage of

B) Percentage of radioactive fall out

C) Percentage of

D) Persentage of diseases

Correct Answer: A

Solution :

Because increase in percentage of fauna (animals) will increase the amountin atmosphere and the decrease in flora (plants) will decrease the utilization ofvia photosynthesis thereby increasing the percentage of in atmosphere.