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प्रश्न
Short answer question.
Why do leaves generally look green?
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उत्तर
Leaves generally look green because of the presence of chlorophyll, a pigment that imparts green colour to leaves.
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संबंधित प्रश्न
Short answer question.
Which four of the following are needed for photosynthesis in a leaf:
(i) Carbon dioxide:
(ii) Oxygen:
(iii) Nitrates :
(iv) Water:
(v) Chlorophyll:
(vi) Soil:
(vii) Light:
State whether the following statement is True or False:
Green plants prepare their food by using two raw materials, oxygen and water.
Long answer question.
What is the role of chlorophyll in photosynthesis?
Answer the following in one word.
Which organ is called the voice box?
Tick the most appropriate answer.
Exhaled air contains
Attempt any TWO of the following:
Describe ‘any two’ factors affecting the rate of photosynthesis.
Identify the false statement and rewrite it correctly by changing the first or last word only.
Photosynthesis requires enzymes.
Identify the false statement and rewrite it correctly by changing the first or last word only.
Photosynthesis stops at a temperature of about 35°C.
When there is plenty of light and a higher concentration of O2, what kind of pathway does the plant undergo? Analyse the reasons.
Photorespiration is favoured by :
