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संबंधित प्रश्न
How would you test the presence of starch in leaves?
Marasmus is due to deficiency of:
(a) Vitamin C
(b) Carbohydrates
(c) Fat
(d) Food
Fill in the blank:
Animal starch stored in the muscle and liver is ______.
Spot the following in the table of vitamins and minerals.
Sensory organ affected due to the deficiency of Vitamin A.
Name some unicellular organisms in which all life-processes take place within their unicellular body.
We prepare a variety of foodstuffs and dishes at home. Are we then autotrophic organisms?
Complete the analogy:
Ptyalin : Amylase :: Pepsin : ................. .
Which is the first enzyme to mix with food in the digestive tract?
Mention two components of food that do not 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.
