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प्रश्न
Why should the light-dependent reaction occur before the light-independent reaction?
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उत्तर
During light-dependent reaction, photosynthesis pigment absorbs the light energy and convert it into chemical energy ATP and NADPH2.
During light-independent CO2 is reduced into carbohydrates with the help of ATP and NADPH2 produced during the light-dependent reaction.
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संबंधित प्रश्न
An experiment was set up as shown in the figure alongside. Look at the figure and answer the following questions:
( i) What is the objective of this experiment?
( ii ) Which plant is used in this experiment?
( iii ) Which gas is evolved in this process?
( iv ) What will happen to the rate of evolution of this gas if a pinch of sodium
bicarbonate is added?
(v ) What will happen if the apparatus is kept in dark?
Fill in the blank:
Photosynthesis produces oxygen and ______.
A candidate studied the importance of certain factors in photosynthesis. He took a potted plant and kept in the dark for over 24 hours. In the early hours of the next morning, he covered one of the leaves with black paper in the centre only. Then he placed the plant in sunlight for a few hours and tested the leaf which was covered with black paper for starch.
Describe step by step, how the candidate proceeded to test the leaf for the presence of starch?
Complete the following food chain by writing the names of appropriate organisms in the blanks:
Grass → __________ → Snake → __________
Write an experiment to demonstrate that CO2 is necessary for photosynthesis.
Photosynthesis is considered as a process supporting all life on earth.
Choose the Odd One Out
Photosynthesis converts energy X into energy Y.
- What are X and Y?
- Green plants are autotrophic in their mode of nutrition. Why?
The end product of photosynthesis is ______.
Draw the structure of the stomata and label the parts.
