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प्रश्न
Given below is the representation of a certain phenomenon in nature. With four organisms 1-4.

- Name the phenomenon represented.
- Name any one organism that could be shown at No. 5.
- Name the biological process which was the starting point of the whole chain.
- Name one natural element which all the organisms 2-4 and even 5 are getting from No. 1 for their survival.
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उत्तर
- Food chain
- Hawk
- Photosynthesis
- Energy
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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)
How would you demonstrate that green plants release oxygen when exposed to light?
Given below is the representation of a certain phenomenon in nature. With four organisms 1-4.

Name the biological process which was the starting point of the whole chain.
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?
Differentiate Between:
Light reaction and Dark reaction.
Name the following:
The green colouring matter of the plants.
Give technical term:
Name only one plant, you are familiar with which has no chlorophyll.
Complete the following sentence with appropriate word:
A light-induced reaction which leads to the splitting of water is _____ of water.
Complete the following sentence with appropriate word:
________ are regarded as complete photosynthetic units of plants.
