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प्रश्न
Give technical term:
Name the experiment to demonstrate the importance of light for photosynthesis.
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उत्तर
Light screen experiment
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संबंधित प्रश्न
Describe fully one experiment with potted green plant to show that starch is not produced in the leaves when carbon dioxide is not available (diagrams essential)
Complete the following statement by choosing the correct alternative given below :
All animals would die on the earth if there was no ______.
Fill in the blank:
Land plants obtain their carbon dioxide from the ______.
How do non-green plants such as fungi and bacteria obtain their nourishment?
All life owes its existence to chlorophyll. Give reason.
Given below is the representation of a certain phenomenon in nature. With four organisms 1-4.

Name one natural element which all the organisms 2-4 and even 5 are getting from No. 1 for their survival.
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
Where are the chlorophyll pigments present in a cell?
Differentiate Between:
Light reaction and Dark reaction.
Write the overall chemical equation for photosynthesis.
