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प्रश्न
Is ‘nutrition’ a necessity for an organism? Discuss.
उत्तर
Nutrition is essential for organisms since it supplies the energy needed to carry out metabolic functions.
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संबंधित प्रश्न
Marasmus is due to deficiency of:
(a) Vitamin C
(b) Carbohydrates
(c) Fat
(d) Food
Spot the following in the table of vitamins and minerals.
The nutrient present in citrous fruits.
Spot the following in the table of vitamins and minerals.
Essential mineral for healthy bones and teeth.
Classify according to food-type.
Goat
Classify according to food-type.
Lion
Differentiate
Kwashiorkar from Marasmus
Pitcher plant traps insects because it
Potato and ginger are both underground parts that store food. Where is the food prepared in these plants?
Can you give me a name?
Solve each of the following riddles by writing the name of the organism and its mode of nutrition. One riddle is solved to help you.
I am small and I can fly. I disturb your sleep, bite you and suck your blood which is my food. ______, ______
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.
