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Question
Why do living organisms need nutrition?
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Solution
Nutrition is the process of uptake of nutrients from food and utilizing them for various functions of the cells. Nutrition is required for purposes like:
- supplying the energy required for doing work
- for growth and development of the body
- to fight diseases
- to replace the damaged cells and repair tissues
RELATED QUESTIONS
All the substances in our food which are useful for various bodily processes are called ______.
Pulses are a very good source of ______.
Classify according to food-type.
Tiger
Classify according to food-type.
Goat
Name some unicellular organisms in which all life-processes take place within their unicellular body.
Name the following:
The nutrients which mainly give energy to our body.
By eating rice alone, we can fulfill nutritional requirement of our body.
Complete the analogy:
Ptyalin : Amylase :: Pepsin : ................. .
Unscramble the following to form terms related to modes of nutrition.
- RASPAEIT
- ROPEHYTSAP
- TOROPHAUT
- SIBIOMSYS
Nitrogen is an essential nutrient for plant growth. But farmers who cultivate pulse crops like green gram, bengal gram, black gram, etc. do not apply nitrogenous fertilizers during cultivation. Why?
