Multiple choice questions XXXXIX — task. Science CBSE, Class 10.

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1. Excessive exposure of humans to UV-rays results in
(i) damage to immune system (ii) damage to lungs (iii) skin cancer (iv) peptic ulcers

(iii) and (iv)
(i) and (ii)
(ii) and (iv)
(i) and (iii)

2. Which of the statement is incorrect?

All green plants and blue green algae are producers
Green plants get their food from organic compounds
Plants convert solar energy into chemical energy
Producers prepare their own food from inorganic compounds

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