1.  Statement : Should high chimneys be installed in industries ?
Arguments :

I. Yes. It reduces the pollution at ground level.
II. No. It increases pollution in upper atmosphere
A. If only argument I is strong
B. If only argument II is strong
C. If either I or II is strong
D. If neither I nor II is strong and
E. If both I and II are strong

Answer: Option A

Explanation:

<p> Pollution at ground level is the most hazardous in the way of being injurious to human and animal life. So, argument I alone holds.