149. At ground level, ozone is a harmful pollutant, but in the stratosphere it shields the Earth from the most biologically harmful radiation emitted by the Sun, radiation in the ultraviolet band of the spectrum.
(A) in the stratosphere
(B) in the stratosphere, in which
(C) it is in the stratosphere in which
(D) in the stratosphere where
(E) it is in the stratosphere and
Solution:
Parallelism
The parallel structure is at the ground level .in the stratosphere. Hence, C and E can be eliminated.
B and D can be eliminated for the unnecessary use of which and where.
A is the best choice.
Sentence Correction - 1000 Questions with Solution:
(A) in the stratosphere
(B) in the stratosphere, in which
(C) it is in the stratosphere in which
(D) in the stratosphere where
(E) it is in the stratosphere and
Solution:
Parallelism
The parallel structure is at the ground level .in the stratosphere. Hence, C and E can be eliminated.
B and D can be eliminated for the unnecessary use of which and where.
A is the best choice.
Sentence Correction - 1000 Questions with Solution: