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प्रश्न
Plants take carbon dioxide from the atmosphere mainly through their:
पर्याय
Roots
Stem
Flowers
Leaves
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उत्तर
Leaves
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संबंधित प्रश्न
Which substance is used to remove chlorophyll from a green leaf during photosynthesis experiments?
- Name the pigment in leaves which absorbs sunlight energy.
- What is the colour of this pigment?
Apart from carbon dioxide and water, name four other raw materials which are needed by the plants.
What part does chlorophyll play in photosynthesis?
Leaves of a healthy potted plant were coated with vaseline. Will this plant remain healthy for long? Give reason for your answer.
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?
The internal (cellular) energy reserve in autotrophs is
In the given diagram of a closed stomata: (1), (2), (3) and (4) respectively are:
Opening and closing of stomata is due to ______.
Two green plants are kept separately in oxygen free containers, one in the dark and other in sunlight. It was observed that plant kept in dark could not survive longer. Give reason for this observation.
