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प्रश्न
All the substances in our food which are useful for various bodily processes are called ______.
उत्तर
All the substances in our food which are useful for various bodily processes are called nutrients.
संबंधित प्रश्न
Distinguish between the following:
Autotrophs and Heterotrophs
Very Short Answer Type Questions:
Write two sources of Vitamin B.
Short Answer Type Questions:
What are the functions of carbohydrates?
Short Answer Type Questions:
A small child became very thin and lean and later he became so weak that he could not move. Which nutrients should he eat so as to improve his health?
In the absence of which of the following will photosynthesis not occur in leaves?
Pitcher plant traps insects because it
Read the food items given below.
- Wheat
- Ghee
- Iodised salt
- Spinach (palak)
Which of the above food items are “energy giving foods”?
Which of the following food items does not provide any nutrient?
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.
Take a potted plant with broad leaves. Take two strips of black paper and cut out a small square in the centres. Cover a part of two leaves with these papers and secure them with paper clips Figure. Keep the plant in sunlight for 2–5 days. Observe the difference in the colour of the covered and the uncovered portions on the leaf. Perform iodine test on this leaf. Did the two parts show different results? Now take second leaf. Remove the strip and expose the covered part to the sunlight for 2–3 days and do the iodine test again. Describe your observations.
