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Subjects
Science CBSE
Class 10
Life Process
Textbook questions

10. Multiple choice questions X

Exercise condition:

3 m.

1. Choose the event that does not occur in photosynthesis

Conversion of light energy to chemical energy
Absorption of light energy by chlorophyll
Oxidation of carbon to carbon dioxide
Reduction of carbon dioxide to carbohydrates

2. The opening and closing of the stomatal pore depends upon

Concentration of CO2 in stomata
Water in guard cells
Oxygen
Temperature

3. Choose the forms in which most plants absorb nitrogen

i. Proteins
ii. Nitrates and Nitrites
iii. Urea
iv. Atmospheric nitrogen

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

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