1.

There are two types of light-sensitive cells in the human eye : (a) Where are they found ?(b) What is each type called ? (c) To what is each type of cell sensitive ?

Answer»

(a) The two types of light-sensitive cells are found in the retina. 

(b) They are called rods and cones. 

(c) Rods are sensitive to dim light and cones are sensitive to bright light and colours.



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