Class 7 Science Online Tests
Colors Vision MCQ (Multiple Choice Questions) PDF Download
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Colors Vision MCQs PDF: Questions Answers Download
The number of red cells in an eye is
- 320 million
- 120 million
- 220 million
- 200 million
Night blindness is caused due to
- lack of rods
- over numbering of cones
- problem in cones
- problem in rods
Rods are sensitive to
- bright light
- dim light
- colored Vision
- blurriness
The color of one part of spectrum is
- brown
- cyan
- indigo
- magenta
The number of types of cells in retina is
- 2
- 3
- 4
- 6
Class 7 Science Practice Tests
Colors Vision Textbook App: Free Download iOS & Android
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