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प्रश्न
During photosynthesis, the oxygen in glucose comes from
पर्याय
CO2
water
both CO2 and water
oxygen via air
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उत्तर
CO2
संबंधित प्रश्न
The diagram alongside represents an experiment conducted to prove the importance of a factor in photosynthesis.
Study the same and then answer the questions that follow:
(i) Name the factor being studied in his experiment.
(ii) Why was the plant kept in a dark room before conducting the experiment?
(iii}Why was the experimental leaf then kept in
1. boiling water 2. methylated spirit?
(iv) Name the solution used to test for the presence of starch in the leaf.
(v) What will we observe in the experimental leaf at the end of the starch test?
(vi) Give a balanced chemical equation to represent the process of photosynthesis.
What are the basic requirements of photosynthesis?
How do non-green plants such as fungi and bacteria obtain their nourishment?
Give technical term:
What does ATP abbreviate for?
Fill in the blank by rearranging the letter in the bracket.
During photosynthesis plants releases _________ (egxyno).
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.
Why should the light-dependent reaction occur before the light-independent reaction?
Only green plants have the unique capacity to release ______ into the atmosphere.
Label the diagram with the raw materials and products of photosynthesis.
