Advertisements
Advertisements
Question
Why do living organisms need nutrition?
Advertisements
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
Give the one-word substitute for the following:
Insect-eating organism.
Which organisms are greater in number - autotrophs or heterotrophs? Why?
Very Short Answer Type Questions:
Write two sources of Vitamin B.
Name the following:
The nutrients which mainly give energy to our body.
Is ‘nutrition’ a necessity for an organism? Discuss.
Which of the following statements is/are correct?
- All green plants can prepare their own food.
- Most animals are autotrophs.
- Carbon dioxide is not required for photosynthesis.
- Oxygen is liberated during photosynthesis.
Choose the correct answer from the options below:
Which of the following raw material is available in the air for photosynthesis?
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?
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 am tall but I cannot move. I am green and can prepare my own food. ______, ______
Paheli avoids eating vegetables but likes to eat biscuits, noodles and white bread. She frequently complains of stomachache and constipation. What are the food items that she should include in her diet to get rid of the problem? Give reason for your answer.
