Subjects
Science CBSE Homework Assignments
Class 8
Light
Protection of eyes and Braille system

1. Human eye

Question:

4.5 m.

Pick the correct option:

1. Which one of the following statements is correct regarding rods and cones in the human eye?

Rod cells are sensitive to bright light
Cone cells are sensitive to dim light
Cone cells are sensitive to bright light
Rod cells can sense colour

2. A person with normal eyes can read most comfortable at a distance of

30 cm
25 cm
15 cm
10 cm

3. An owl can see clearly at night but not day time because it has

Less rod and more cones
More rods and few cones
Less rods and less cones
More rods and more cone

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