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प्रश्न
Distinguish between: Autotrophic nutrition and Heterotrophic nutrition.
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उत्तर
| Autotrophic nutrition | Heterotrophic nutrition |
| 1. It is the mode of nutrition in which organisms produce their own organic food. | It is the mode of nutrition in which organisms depend on other organisms for their food. |
| 2. Organisms producing their own food are known as autotrophs. | Organisms depending on others for food are known as heterotrophs. |
| 3. Autotrophs use simple inorganic substances present in the surroundings to produce food. | Heterotrophs depend on other organisms to get their food. |
| E.g. Plants | E.g. Fungi |
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संबंधित प्रश्न
Name the following:
A plant that has both autotrophic and heterotrophic mode of nutrition.
All animals and fungi are autotrophs.
Name the process by which plants make food.
Name a gas used in photosynthesis.
Which substance is used to remove chlorophyll from a green leaf during photosynthesis experiments?
Apart from carbon dioxide and water, name four other raw materials which are needed by the plants.
Fill in the following blanks with suitable words :
Green plants use .................... and .................... to make food.
Name the food which gets stored in plant leaves.
Photosynthesis converts energy X into energy Y. What are X and Y?
How do plants obtain food?
The process in plants which converts light energy into chemical energy.
The cells which surround a stomatal pore.
Leaves of a healthy potted plant were coated with vaseline. Will this plant remain healthy for long? Give reason for your answer.
Which of the following events does not occur in photosynthesis?
(a) conversion of light energy into chemical energy
(b) reduction of carbon dioxide to carbohydrates
(c) oxidation of carbon to carbon dioxide
(d) absorption of light energy by chlorophyll
The opening and closing of the stomatal pores depends upon:
(a) oxygen
(b) water in guard cells
(c) temperature
(d) concentration of CO2 in stomata
An organism A which cannot move from one place to another, makes a simple food B from the substances C and D available in the environment. This food is made in the presence of a green coloured substance E present in organs F in the presence of light energy in a process called G. Some of the simple food B also gets converted into a complex food H for storage purposes. The food H gives a blue-black colour with dilute iodine solution.
(a) What is (i) organism A (ii) food B, and (iii) food H?
(b) What are C and D?
(c) Name (i) green coloured substance E, and (ii) organ F.
(d) What is the process G?
List the three events that occur during the process of photosynthesis. Explain the role of stomata in this process.
Which of the following is most appropriate for aerobic respiration?
In the given diagram of a closed stomata: (1), (2), (3) and (4) respectively are:
Opening and closing of stomata is due to ______.
