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प्रश्न
What are the basic requirements of photosynthesis?
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उत्तर
The basic requirements of photosynthesis are:
- Solar energy from the sun.
- Green chlorophyll.
- Carbon dioxide from the air.
- Water.
APPEARS IN
संबंधित प्रश्न
Define the following:
Plant pigments
Identify the false statement and rewrite it correctly by changing the first or last word only.
Green plants perform photosynthesis.
A candidate studied the importance of certain factors in photosynthesis. He took a potted plant and kept in the dark for over 24 hours. In the early hours of the next morning, he covered one of the leaves with black paper in the centre only. Then he placed the plant in sunlight for a few hours and tested the leaf which was covered with black paper for starch.
Describe step by step, how the candidate proceeded to test the leaf for the presence of starch?
What is the importance of photosynthesis in the life of the following:
Animals
Explain, why respiration is said to be a reversed process of photosynthesis?
Give technical term:
The main reaction which means the breaking up of water molecules through light.
Fill in the blank by rearranging the letter in the bracket.
Pigment involved in the food synthesis is _________ (phllylochor).
Oxygen is used for the synthesis of protein and fertilizers.
1. What happens to the dandelion flower
- During the daytime?
- At night?
2. What is the phenomenon known as?
A potted plant with variegated leafes was kept in dark for 24 hours and then placed in bright sunlight. Answer the following questions.
- Which aspect of photosynthesis is being tested in the above diagram?
- Why was the plant kept in the dark for 24 hours?
- After the starch test, what will be the colour of the yellow and green parts of the leaf? Give reasons to support your answer.
