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प्रश्न
How do plants obtain food?
उत्तर
Plants prepare their own food in the presence of sunlight and chlorophyll. This is done by converting simple inorganic materials like carbon dioxide and water present in the surroundings.
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संबंधित प्रश्न
In photosynthesis, solar energy is absorbed by the pigment called ______.
Which of the following is an autotroph?
Green plant or Man?
Apart from sunlight and chlorophyll, what other things are required to make food by photosynthesis?
Apart from carbon dioxide and water, name four other raw materials which are needed by the plants.
Fill in the following blank with suitable word :
All green plants are ....................
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
List the three events that occur during the process of photosynthesis. Explain the role of stomata in this process.
Autotrophic organisms include ____________.
The Figure shown below represents an activity to prove the requirements for photosynthesis. During this activity, two healthy potted plants were kept in the dark for 72 hours. After 72 hours, KOH is kept in the watch glass in setup X and not in setup Y. Both these setups are air tight and have been kept in light for 6 hours. Then, Iodine Test is performed with one leaf from each of the two plants X and Y.
Which of the following steps can be followed for making the apparatus air tight?
- placing the plants on glass plate
- using a suction pump.
- applying aseline to seal the bottom of jar.
- creating vacuum
