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प्रश्न
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उत्तर
Carbon dioxide is removed from the atmosphere by:
(i) Producers - Producers or green plants use carbon dioxide through photosynthesis. A small amount of carbon dioxide is used by chemosynthetic bacteria also.
(ii) Marine Organisms - Some amount of carbon dioxide is directly fixed by a few marine organisms and sea water absorbs carbon dioxide in the form of dissolved carbon dioxide, carbonic acid, carbonate and bicarbonates.
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संबंधित प्रश्न
A healthy oat seeding in a pot is transferred from light to any airy but completely dark room. How would it differ from its original condition in appearance after about a week? Explain the difference.
Complete the following statement by choosing the correct alternative given below :
All animals would die on the earth if there was no ______.
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.
During the starch test, why was the leaf
(1) boiled in water
(2) boiled in methylated spirit
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.
Write a balanced chemical equation to represent the process of photosynthesis.
Chlorophyll is necessary for photosynthesis.
ATP is needed for the dark reaction.
Name the following:
The site of light reaction in the cell of a leaf.
Complete the following sentence with appropriate word:
________molecules of chlorophyll make one quantasome.
Complete the following sentence with appropriate word:
Carbon dioxide enters the leaf through _______.
Give reasons/explain:
During the starch test, the leaf is boiled in water.
