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प्रश्न
उत्तर
(i) Large surface area of leaves.
(ii) Presence of more stomata.
(iii) The thinness of leaves.
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संबंधित प्रश्न
Given below is an experiment setup to demonstrate a particualr tropic movement in germinating seeds. Study the diagram and answer the questions that follow :
Part 1 is affected by two stimuli. Name them. Which one of the two is stronger? 
Part 1 is affected by two stimuli. Name them. Which one of the two is stronger?
Choose the correct answer:
Photosynthesis is more active in ___________
Name the following:
The organisms that can be called "natural purifiers" of the air.
Mention one difference between the following on the basis of what is given in bracket.
Producers and consumers (mode of nutrition)
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?
What is meant by the photolysis of water?
Name the molecules which are called assimilatory power? Why are they called so?
What is the law of limiting factors?
Write an experiment to demonstrate that CO2 is necessary for photosynthesis.
Explain the term NADP.
Name the following:
The process by which plants produce their food.
Name the following:
The immediate product of photosynthesis.
Give technical term:
In photosynthesis radiant energy is converted into which from?
Give technical term:
The part of the chloroplast where the dark reaction of photosynthesis takes place.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
A variegated leaf (one that has green as well as white patches) will only photosynthesize in the green areas.
Choose the Correct Answer:
Which would do maximum harm to a tree?
______ is positively hydrotropic as well as positively geotropic.
Chlorophyll in a leaf is required for ______.
Study the pictures below and then complete the table by putting a plus (+) if the shoot or root grows towards the stimulus and a minus (-) if it grows away from it.
| Stimulus | Light | Gravity |
| Shoot | + | - |
| Root | ? | + |
Mention four factors required for photosynthesis?
