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प्रश्न
Answer the following:
Mention two significant advantages of photosynthesis to the living world as a whole.
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उत्तर
Advantage of photosynthesis :
- To produce food for all the organisms on earth .
- Release oxygen which is a life supporting gas .
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संबंधित प्रश्न
The diagrams given below represent the relationship between a mouse and a physiological process that occurs in green plants. Study the diagrams and answer the questions that follow
(i) Name the physiological process occurring in the green plant that has kept the mouse alive.
(ii) Explain the physiological process mentioned above.
(iii) Why did the mouse die in bell jar B?
(iv) What is the significance of the process as stated in (i) for life on earth?
(v) Represent the above mentioned physiological process in the form of a chemical equation.
A potted plant was taken in order to prove a factor necessary for photosynthesis. The potted plant was kept in the dark for 24 hours. One of the leaves was covered with black paper in the centre. The potted plant was then placed in sunlight for a few hours.
(i) What aspect of photosynthesis was being tested?
(ii) Why was the plant placed in the dark before beginning the experiment?
(iii) During the starch test, why was the leaf
(1) boiled in water
(2) boiled in methylated spirit
(iv) Write a balanced chemical equation to represent the process of photosynthesis.
(v) Draw a neat diagram of a chloroplast and label its parts.
Mention the exact location of the following :
Thylakoids
What is the importance of photosynthesis in the life of the following:
Green plants
How is the rate of photosynthesis affected when a green plant gets the green light?
Photosynthesis is considered as a process supporting all life on earth.
Give technical term:
Name the process which is responsible for the conversion of solar energy to chemical energy that is essential to sustain life on this earth?
Give technical term:
What does NADP stand for?
Complete the following sentence with appropriate word:
A plant that does not perform photosynthesis is _______.
Oxygen is produced at what point during photosynthesis?
