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प्रश्न
The following diagram demonstrates a physiological process taking place in green plants. The whole set up was placed in bright sunlight for several hours. Study the diagram and answer the questions that follow
(i) What aspect of the physiological process is being examined?
(ii) Explain the physiological process mentioned in (i) above.
(iii) Label the parts numbered 1 and 2 in the diagram.
(iv) Write a well-balanced chemical equation for the physiological process explained in (ii) above.
(v) What would happen to the rate of bubbling of the gas if a pinch of sodium bicarbonate is added to the water in the beaker? Explain your answer.
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उत्तर
(i) Release of oxygen during photosynthesis
(ii) The physiological process in question is photosynthesis. Photosynthesis occurs in green plants (autotrophs). It is the process by which plants prepare carbohydrates and oxygen in the presence of sunlight, carbon dioxide and chlorophyll.
(iii)
1: Gas/Oxygen
2: Hydrilla
(iv) 6CO2+12H2O `"Sunlight"/"Chlorophyll"` C6H12O6+6H2O+6O2↑
(v) The rate of bubbling will increase.
APPEARS IN
संबंधित प्रश्न
Define the following:
Quantum
Mention two ways in which photosynthesis is useful to life.
What is the importance of photosynthesis in the life of the following:
Green plants
What is the law of limiting factors?
Complete the following sentence with appropriate word:
One of the products of ______of water is oxygen.
Name the plant part
- Which bends in the direction of gravity but away from the light.
- Which bends towards light but away from the force of gravity.
During photosynthesis, plants exhale ______.
Name the minute openings seen on the lower surface of the leaf.
Give an example for micronutrients.
A potted plant with variegated leafes was kept in dark for 24 hours and then placed in bright sunlight. Answer the following questions.
- Which aspect of photosynthesis is being tested in the above diagram?
- Why was the plant kept in the dark for 24 hours?
- After the starch test, what will be the colour of the yellow and green parts of the leaf? Give reasons to support your answer.
