Target Exam

CUET

Subject

Biology

Chapter

Environmental Issues

Question:

Observe the given figure and answer the following questions:

Identify the statements which hold true for the figure 'X'.

A. Dirty air is entering through G and leaving through I.
B. It can remove 99 percent of the particulate matter from the power plant exhaust.
C. It can remove very small particulate matter.
D. Sulphur dioxide can be removed by this.

Choose the correct answer from the options given below:

Options:

A and D only

B and C only

A and B only

C and D only

Correct Answer:

A and D only

Explanation:

The correct answer is Option (1) → A and D only 

Electrostatic precipitator, can remove over 99 per cent particulate matter present in the exhaust from a thermal power plant. A scrubber or scrubber system is a system that is used to remove harmful materials from industrial exhaust gases before they are released into the environment. A scrubber can remove gases like sulphur dioxide. In a scrubber, the exhaust is passed through a spray of water or lime.