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प्रश्न
Give suitable biological reasons for the following statement :
All life on Earth is supported by Photosynthesis.
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उत्तर
Photosynthesis is ultimately the source of energy and food for all living beings i.e. directly for plants and indirectly for animals.
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संबंधित प्रश्न
Define the following:
Quantum
Fill in the blank:
______ is the process which replenishes the atmospheric oxygen which the animal life consumes in respiration.
Give some adaptations in green leaf photosynthesis.
Complete the following sentence with appropriate word:
One of the products of ______of water is oxygen.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Land plants obtain their CO2 from the atmosphere.
Choose the correct option.
The net result of photo-oxidation of water is release of ______.
State whether true or false. If false, correct the statement.
When the weather is hot, water evaporates lesser which is due to opening of stomata.
Higher Order Thinking Skill.
Imagine that student A studied the importance of certain factors in photosynthesis. He took a potted plant and kept it in dark for 24 hours. In the early hours of the next morning, he covered one of the leaves with dark 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.
- What aspect of photosynthesis was being investigated?
- Why was the plant kept in the dark before the experiment?
- How will you prove that starch is present in the leaves?
- Name the raw materials needed for photosynthesis.
Oxygen is produced at what point during photosynthesis?
Where do the light-dependent reaction and the Calvin cycle occur in the chloroplast?
