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प्रश्न
Differentiate Between:
Autotrophs and Heterotrophs.
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उत्तर
| Autotrophs | Heterotrophs |
| (i) They can produce their own food. | They cannot prepare their own food. |
| (ii) They contain chlorophyll. | Do not contain chlorophyll. |
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संबंधित प्रश्न
A potted plant with variegated leaves was taken in order to prove a factor necessary for photosynthesis. The potted plant was kept in the dark for 24 hours and then placed in bright sunlight for a few hours. Observe the diagrams and answer the questions:
- What aspect of photosynthesis is being tested in the above diagram?
- Represent the process of photosynthesis in the form of a balanced equation.
- Why was the plant kept in the dark before beginning the experiment?
- What will be the result of the starch test performed on Leaf ‘A’ shown in the diagram? Give an example of a plant with variegated leaves
- Draw a neat labelled diagram of a chloroplast.
Choose the correct answer:
Which one of the following features of plant leaves plays an important part in photosynthesis?
Chlorophyll in a leaf is required for
Stroma is ground substance in ______.
The figure below represents an experiment performed to demonstrate a particular aspect of photosynthesis. The apparatus was kept in sunlight for almost the whole day. The numeral ‘1’ represents a certain condition inside the flask and the numeral ‘2’ represents a chemical responsible for this condition.
(i) What is the object of the experiment?
(ii) What is the special condition inside the flask?
(iii) What is the chemical substance numbered ‘2’?
(iv) In what way will the three leaves (A, B, and C) differ at the end of the experiment, when tested with iodine solution?
(i) Draw a neat and well-labelled diagram of the Chloroplast.
(ii) List the events taking place in the photo-chemical phase of Photosynthesis.
(iii) If you are planning an experiment to show the effect of light on photosynthesis :
(a) Will you select white light or green light? Justify your answer.
(b) Why would you select a destarched plant?
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Too much light destroys chlorophyll.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Photosynthesis occurs only in plants.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
The process of photosynthesis takes place in the dark.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Photosynthesis results in loss of dry weight of the plant.
