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Explain the following term with an example:
Omnivore
Give the one-word substitute for the following:
Insect-eating organism.
All the substances in our food which are useful for various bodily processes are called ______.
In the food pyramid, cereals are given the maximum space because they fulfill our ______ requirement.
______ provide maximum energy to the body.
Classify according to food-type.
Lion
Classify according to food-type.
Frog
Choose the correct option.
Which type of teeth are maximum in number in human buccal cavity?
List all those components of food that provide nutrients.
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.
