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प्रश्न
Explain, why respiration is said to be a reversed process of photosynthesis?
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उत्तर
In respiration, energy is released as a result of oxidation of food, whereas in photosynthesis it is stored up in a carbohydrate molecule. Oxygen is used in respiration whereas it is given out as a by-product in photosynthesis.
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संबंधित प्रश्न
A potted plant was taken in order to prove a factor necessary for photosynthesis. The potted plant was kept in the dark for 24 hours. One of the leaves was covered with black paper in the centre.The potted plant was then placed in sunlight for a few hours.
- What aspect of photosynthesis was being tested?
- Why was the plant placed in the dark before beginning the experiment?
- During the starch test why was the leaf
- boiled in water
- boiled in methylated spirit
- Write a balanced chemical equation to represent the process of photosynthesis.
- Draw a neat diagram of a chloroplast and label its parts.
Complete the following paragraph by filling in the blank (1) to (5) with appropriate words:
To test a leaf for starch, the leaf is boiled in water to (1) _________. It is then boiled in Methylated spirit to (2) ________. The leaf is dipped in warm water to soften it. It is placed in a petri dish, and (3) _____ solution is added. The region of the leaf which contains starch, turns (4) ________and the region while does not contain starch, turns (5) __________.
If the rate of respiration becomes more than the rate of photosynthesis, plants will:
During photosynthesis, the oxygen in glucose comes from
Mention one difference between the following on the basis of what is given in bracket.
Grass and grasshopper (mode of nutrition)
Identify the false statement and rewrite it correctly by changing the first or last word only.
Green plants are consumers.
Name the following:
The immediate product of photosynthesis.
The chemical reaction occurs during photosynthesis is ______.
To which directional stimuli do
- roots respond
- shoots respond?
Define the following term:
Photolysis of water
