Which of the following is not true about colour blindness

Which of the following is not true about colour blindness?

A. Colour blind people learn to rely on shapes, patterns, and positions of signs and signals

B. Red-green colour blindness is the most common type of colour blindness

C. A colour blind person cannot see any colours

D. For some people, it might be difficult to recognize colours of traffic lights and signs

Answer: Option C

Solution (By Examveda Team)

A colour blind person cannot see any colors is not true of colour blindness.

A. hole in ozone layer

B. decrease in the ozone layer in troposphere

C. decrease in thickness of ozone layer in stratosphere

D. increase in the thickness of ozone layer in troposphere

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