Question

Sohail wants to check whether sounds have any effect on the growth of plants and if yes, whether different sounds have different effects.
He has two types of CDs:
- Music CD: Gentle flute music, piano music, etc.
- Noise CD: Sounds of traffic, carpentry, factories, etc.

He takes two similar fast-growing plants and keeps each of them in a soundproof room. In one of those rooms he plays the Music CD and in the other room he plays the Noise CD. He does this for 2 weeks. Will he be able to check the effect of sound on plants?
A. Yes, because both the plants are kept in different rooms with different music.
B. No, because he should have played only the Music CD in both the rooms.
C. Yes, because both the plants are similar and they will give similar results.
D. No, because he also needs to compare the growth of a plant kept without any music.

Answer 1

Answer:

option d

Explanation:

no, because he also needs to compare the growth of a plant kept without any music