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प्रश्न
A plant is kept in a dark cupboard for 48 hours before conducting any experiment on photosynthesis in order to
पर्याय
remove chlorophyll from leaves
remove starch from the leaves
ensure that no photosynthesis occurred
ensure that the leaves are free from starch
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उत्तर
ensure that the leaves are free from starch
संबंधित 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.
Given below is an experiment setup to demonstrate a particualr tropic movement in germinating seeds. Study the diagram and answer the questions that follow : 
Label the parts 1 and 2.
The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the questions that follow : 
Draw a neat, labelled diagram of an experimental steup to show that oxygen is released during photosynthesis
Choose the correct answer:
In a typical leaf, photosynthesis occurs mainly in ___________
Complete the following food chain by writing the names of appropriate organisms in the blanks:
→ __________ → __________ → Hen → Man
Respiration is said to be the reversal of photosynthesis.
Write the functional activity of the following structure:
Chloroplasts
Where does the carbon that is used in photosynthesis come from?
What is photosynthesis and wherein a cell does occur?
Study the pictures below and then complete the table by putting a plus (+) if the shoot or root grows towards the stimulus and a minus (-) if it grows away from it.

| Stimulus | Light | Gravity |
| Shoot | + | - |
| Root | ? | + |
