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प्रश्न
Name the following:
The nutrients that are needed for the growth and maintenance of our body.
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उत्तर
Proteins and minerals
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संबंधित प्रश्न
All the substances in our food which are useful for various bodily processes are called ______.
Spot the following in the table of vitamins and minerals.
Essential mineral for healthy bones and teeth.
Explain the various steps of nutrition in animals.
Which organisms are greater in number - autotrophs or heterotrophs? Why?
Very Short Answer Type Questions:
Name two plant food items which provide proteins.
Very Short Answer Type Questions:
Name two sources of Vitamin A.
Choose the correct option.
Acinar cells are present in ______.
Choose the correct option.
Select odd one out on the basis of digestive functions of tongue.
Observe the diagram given as Figure and label the following terms given in the box.
| stomatal opening, guard cell |
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.
