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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
Give a brief description of the process of synthesis of food in green plants.
(a) Name the pigment in leaves which absorbs sunlight energy.
(b) What is the colour of this pigment?
How does carbon dioxide from the air enter the leaves of a plant to be used in photosynthesis?
Organisms that can prepare their own food.
What will happen to the rate of photosynthesis on a plant under the following circumstances?
(i) cloudy day in morning but bright sunshine in the afternoon
(ii) no rainfall in the area for a considerable time.
(iii) gathering of dust on the leaves
Name a gas produced in photosynthesis.
List the three events that occur during the process of photosynthesis. Explain the role of stomata in this process.
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 statements shows the correct results of Iodine Test performed on the leaf from plant X and Y respectively?
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 -
Oxygen liberated during photosynthesis comes from
