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प्रश्न
Why do organisms need to take food?
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उत्तर
Food is needed by all organisms for many purposes:
- The main function of food is to help in growth.
- Food provides energy for movements such as running, walking or raising our arms.
- Food is also needed for replacement and repairing damaged parts of the body.
- Food gives us resistance to fight against diseases and protects us from infections.
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संबंधित प्रश्न
Name the following:
A parasitic plant with yellow, slender and tubular stem.
The plant which traps and feeds on insects is ______.
Name one organism each having saprophytic, parasitic and holozoic modes of nutrition.
Define saprophyte.
Define nutrition.
What are the different modes of nutrition? Explain with one example of each mode of nutrition.
In which of the following groups of organisms the food material is broken down outside the body and then absorbed?
| There are four organisms A, B, C and D. The organism A eats only the flesh of other animals as food. The organism B can eat grains, fruits and vegetables as well as meat and fish. The organism C can make the food itself from simple inorganic substances present in the environment by utilising sunlight energy. On the other hand, organism D eats only plants and their products as food. |
- Which organism is (i) omnivore (ii) herbivore, and (ii) carnivore?
- Which organism is an autotroph?
- Which organism is/are heterotroph(s)?
- Which organism can be a producer?
- Which organism is/are consumer (s)?
- Give one example each of organisms which could be like (i) A, (ii) B, (iii) C, and (iv) D
How does growing embryo get nutrition from the mother's blood?
Can you give me a name?
Solve the following riddles by writing the name of the organism and its mode of nutrition. One riddle is solved to help you.
I live in water; people keep me in an aquarium and feed me. ______, ______
