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प्रश्न
Explain the following term with an example:
Scavenger
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उत्तर
Scavenger is any animal that feeds on refuse and other decaying organic matter. Example - vultures, dung beetle.
संबंधित प्रश्न
Name the sources of the following:
Cellulose
Name the sources of the following:
Vitamin A
Spot the following in the table of vitamins and minerals.
Foods required to prevent the above diseases.
Classify according to food-type.
Fungus
We prepare a variety of foodstuffs and dishes at home. Are we then autotrophic organisms?
Very Short Answer Type Questions:
Write two sources of Vitamin B.
Meat alone is sufficient to provide all nutrients to the body.
Choose the correct option.
Acinar cells are present in ______.
Paheli and Boojho peeled some potatoes and cut them into small pieces. They washed and boiled them in water. They threw away the excess water and fried them in oil adding salt and spices. Although the potato dish tasted very good, its nutrient value was less. Suggest a method of cooking potatoes that will not lower the nutrients in them.
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.
