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प्रश्न
Are the following statement true or false? Give a reason in support of your answer.
If you immerse a leaf intact on the plant in ice cold water, it will continue to photosynthesise in bright sunshine.
विकल्प
True
False
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उत्तर
This statement is false.
Explanation:
Ice cold water will hamper the process of photosynthesis in the immersed leaf, even if there is sufficient sunshine, because temperature is an important factor in the rate of photosynthesis.
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संबंधित प्रश्न
Fig. demonstrates a physiological process taking place in green plants. The whole set-up was placed in bright sunlight for several hours. Study the diagram and answer the questions that follow:
- What aspect of the physiological process is being examined?
- Explain the physiological process mentioned in (a) above.
- Label the parts numbered 1 and 2 in the diagram.
- Write a well-balanced chemical equation for the physiological process explained in (b) above.
- What would happen to the rate of bubbling of the gas if a pinch of sodium bicarbonate is added to the water in the beaker? Explain your answer.
Mention two ways in which photosynthesis is useful to life.
Are the following statement true or false? Give a reason in support of your answer.
Photosynthesis is considered as a process supporting all life on earth.
"Oxygen is a waste product of photosynthesis." Comment.
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.
What aspect of photosynthesis was being investigated?
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.
Why was the plant kept in the dark before the experiment?
How do non-green plants such as fungi and bacteria obtain their nourishment?
Draw a neat and well-labeled diagram of the apparatus you would set up to show that oxygen is given out during photosynthesis.
Plants may inhale carbon dioxide for photosynthesis but need ______ for their living.
Arrange and rewrite the terms in the group in the correct order to be in a logical sequence beginning with the term that is underlined:
Snake, Rabbit, Cabbage, Hawk.
