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प्रश्न
Give some adaptations in green leaf photosynthesis.
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उत्तर
(i) A large surface area to absorb water.
(ii) It is positioned at a right angle to the light to get maximum light.
(iii) There are numerous stomata to allow rapid exchange of gases.
(iv) Leaves are thin to allow rapid transport or diffusion of materials.
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संबंधित प्रश्न
The following diagram 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
(i) What aspect of the physiological process is being examined?
(ii) Explain the physiological process mentioned in (i) above.
(iii) Label the parts numbered 1 and 2 in the diagram.
(iv) Write a well-balanced chemical equation for the physiological process explained in (ii) above.
(v) 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.
Given below is an experiment setup to demonstrate a particualr tropic movement in germinating seeds. Study the diagram and answer the questions that follow : 
What is meant by ‘Positive’ and ‘Negative’ tropic movements in plants?
Fill in the blank:
Xanthophyll is ______ coloured pigment.
Mention one difference between the following on the basis of what is given in bracket.
Grass and grasshopper (mode of nutrition)
All life on earth Would come to an end if there were no green plants.
Give technical term:
In photosynthesis radiant energy is converted into which from?
Complete the following sentence with appropriate word:
One of the products of ______of water is oxygen.
Oxygen is produced at what point during photosynthesis?
Plants inhale and exhale continuously through the ______.
Assertion (A): All food chains begin with herbivores.
Reason (R): Green plants are heterotrophs.
