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प्रश्न
Photosynthesis converts energy X into energy Y.
- What are X and Y?
- Green plants are autotrophic in their mode of nutrition. Why?
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उत्तर
- X is light energy. Y is chemical energy. During photosynthesis, the light energy is converted into chemical energy.
- Green plants are autotrophic in their mode of nutrition because they prepare their food, through a process called photosynthesis by using water, carbon dioxide, chlorophyll and sunlight.
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संबंधित प्रश्न
Given below is an experiment setup to demonstrate a particualr tropic movement in germinating seeds. Study the diagram and answer the questions that follow : 
What is meant by ‘Positive’ and ‘Negative’ tropic movements in plants?
Name the following:
The principle site in a green leaf for photosynthesis.
If the rate of respiration becomes more than the rate of photosynthesis, plants will:
During photosynthesis, the oxygen in glucose comes from
The figure below represents the vertical section of a leaf:
(i) Name the parts 1 to 5.
(ii) How many veins have been shown?
(iii) State the functions of parts 4 and 5.
Explain the Term Free Energy.
Name the following:
The immediate product of photosynthesis.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Leaves are broad and flat to increase the surface area for photosynthesis.
Planting trees help in decreasing global warming.
State whether true or false. If false, correct the statement.
Plants lose water when the stomata on leaves are closed.
