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प्रश्न
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.
उत्तर
As photosynthesis needs sunlight to take place, a plant in the dark would not be able to synthesise food or obtain energy. therefore, this plant was unable to endure.
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संबंधित प्रश्न
Give a brief description of the process of synthesis of food in green plants.
During photosynthesis plants take in ______ and release ______ gas.
Plants take carbon dioxide from the atmosphere mainly through their:
All animals and fungi are autotrophs.
Fill in the following blanks with suitable words :
Green plants use .................... and .................... to make food.
The cell organelle where photosynthesis occurs.
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
Which of the following is most appropriate for aerobic respiration?
Differentiate between an autotroph and a heterotroph
Observe the experimental setup shown below. Name the chemical indicated as ‘X’ that can absorb the gas which is evolved as a byproduct of respiration.
