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प्रश्न
Distinguish between the following:
Autotrophs and Heterotrophs
उत्तर
| Autotrophs | Heterotrophs |
| They prepare their own food from simple inorganic raw materials. | They depend on autotrophs for their food and are unable to synthesize their own food. |
| Example - Green plants | Example - Animals |
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संबंधित प्रश्न
Name the sources of the following:
Vitamin A
Pulses are a very good source of ______.
Why do living organisms need nutrition?
Very Short Answer Type Questions:
Name two sources of proteins provided by animals.
Match the following.
| Column A | Column B | ||
| (1) | Fats | (a) | Jowar |
| (2) | Proteins | (b) | Oil |
| (3) | Vitamins | (c) | Bran of cereals |
| (4) | Minerals | (d) | Pulses |
| (5) | Starchy foods | (e) | Iron |
Choose the correct option.
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Paheli and Boojho peeled some potatoes and cut them into small pieces. They washed and boiled them in water. They threw away the excess water and fried them in oil adding salt and spices. Although the potato dish tasted very good, its nutrient value was less. Suggest a method of cooking potatoes that will not lower the nutrients in them.
Mention two components of food that do not provide nutrients.
Assertion (A): Amoeba takes in food using finger like extensions of the cell surface.
Reason (R): In all unicellular organisms, the food is taken in by the entire cell surface.
