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प्रश्न
Which part of the plant takes in carbon dioxide from the air for photosynthesis?
विकल्प
Root hair
Stomata
Leaf veins
Petals
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उत्तर
Stomata
Explanation:
Stomata are small pores on leaves that facilitate gas exchange (O2 and CO2) during photosynthesis and respiration.
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संबंधित प्रश्न
What are the necessary conditions for autotrophic nutrition?
Name the following:
The pores through which leaves exchange gases.
Carbon dioxide is released during photosynthesis.
Which substance is used to remove chlorophyll from a green leaf during photosynthesis experiments?
Apart from carbon dioxide and water, name four other raw materials which are needed by the plants.
Fill in the following blanks with suitable words :
Green plants use .................... and .................... to make food.
An organism A which cannot move from one place to another, makes a simple food B from the substances C and D available in the environment. This food is made in the presence of a green coloured substance E present in organs F in the presence of light energy in a process called G. Some of the simple food B also gets converted into a complex food H for storage purposes. The food H gives a blue-black colour with dilute iodine solution.
(a) What is (i) organism A (ii) food B, and (iii) food H?
(b) What are C and D?
(c) Name (i) green coloured substance E, and (ii) organ F.
(d) What is the process G?
List the three events that occur during the process of photosynthesis. Explain the role of stomata in this process.
What is meant by parasitic plants?
Gas A, obtained above is a reactant for a very important biochemical process which occurs in the presence of sunlight. Identify the name of the process -
