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प्रश्न
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उत्तर
Difference between autotroph and heterotroph:
Autotroph Heterotroph
| Autotroph | Heterotroph |
| (i) They can prepare their own food. | (i) They cannot prepare their own food. |
| (ii) They contain chlorophyll. | (ii) They do not contain chlorophyll. |
| (iii) Examole - Green olants. | (iii) Examole - Animals. |
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संबंधित प्रश्न
The figure given below represents an experimental setup with a weighing machine to demonstrate a particular process in plants. The experimental setup was placed in bright sunlight. Study the diagram and answer the following questions:
(i) Name the process intended for study.
(ii) Define the above mentioned process.
(iii) When the weight of the test tube (A & B) is taken before and after the experiment, what is observed? Give reasons to justify your observation in A & B.
(iv) What is the purpose of keeping the test tube B in the experimental setup?
Differentiate between the following pairs on the basis of what is indicated in the brackets.
Leaf and Liver [form in which glucose is stored]
Given below is an experiment setup to demonstrate a particualr tropic movement in germinating seeds. Study the diagram and answer the questions that follow : 
What is Thigmotropism? Give one example.
If the rate of respiration becomes more than the rate of photosynthesis, plants will:
Name the following:
The first form of food substance produced during photosynthesis.
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.
Is there any control in this experiment? If so, state it.
Why should the light-dependent reaction occur before the light-independent reaction?
The role of chlorophyll is to absorb light from the sun.
Name the minute openings seen on the lower surface of the leaf.
