Question

True and False
a) Cell wall is only present in plant cell.
b) Ribosomes are known as protein factory of cell.
c) Excessive loud sound that is unpleasant is called music.
d) The range of ultrasonic sound is below 20 Hz.
e) Fractional distillation process is used for purification of crude oil​

Answer 1

Answer:

a) True

b) True

c) False( music is pleasant thing)

d) False (Infrasonic)

e) True

Explanation:

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