Chapter - 1
Plants Around Us
NCERT Questions
MCQ
Sample Questions
Sample Papers
Test Series
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NCERT Questions
MCQ
Sample Questions
Sample Papers
Test Series
Shop
- 1. What is a diameter of human eye?
- 2. What is the function of crystalline lens of human eye?
- 3. In which type of eye defect far point of the eye gets reduced?
- 4. Why do birds fly back to their nest in the evening?
- 5. Why do you take time to find object when you enter in dim lighted room from outside in the sun?
- 6. Why does ray of light splits when passed from prism?
- 7. Why doesn't planet appear to be twinkling?
- 8. Why we can't see things very close to our eyes?
- 9. When we see any object through the hot air over the fire, it appears to be wavy, moving slightly. Explain.
- 10. Why does sky appear blue on a clear day?
