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प्रश्न
Apart from carbon dioxide and water, name four other raw materials which are needed by the plants.
उत्तर
Apart from carbon dioxide and water, plants require nitrogen, phosphorus, iron and magnesium.
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संबंधित प्रश्न
Apart from sunlight and chlorophyll, what other things are required to make food by photosynthesis?
How do plants obtain food?
How does carbon dioxide from the air enter the leaves of a plant to be used in photosynthesis?
When carrying out the starch test on a leaf, why is it important to boil the leaf in alcohol?
(a) to dissolve the waxy cuticle
(b) to make the cells more permeable to iodine solution
(c) to remove the chlorophyll
(d) to stop chemical reactions in the cells.
The internal energy (cellular energy) reserve in autotrophs is:
(a) proteins
(b) fatty acids
(c) glycogen
(d) starch
Water absorption through roots can be increased by keeping the potted plants:
(a) in the shade
(b) in dim light
(c) under the fan
(d) covered with a polythene bag
Explain the process of production of food in plants.
What is meant by parasitic plants?
Which of the following statements about the autotrophs is incorrect?
The internal (cellular) energy reserve in autotrophs is
