Advertisements
Advertisements
प्रश्न
Which is the first enzyme to mix with food in the digestive tract?
विकल्प
Pepsin
Cellulase
Amylase
Trypsin
उत्तर
Amylase
Explanation -
Amylase is a digestive enzyme that operates on starch to break it down into smaller molecules. As a result, Amylase is the first enzyme in the digestive system to interact with food.
APPEARS IN
संबंधित प्रश्न
Give the one-word substitute for the following:
Insect-eating organism.
Spot the following in the table of vitamins and minerals.
Causes of anaemia.
Classify according to food-type.
Frog
Very Short Answer Type Questions:
Name two sources of proteins provided by animals.
Name the following:
The nutrients which mainly give energy to our body.
Name the following:
The nutrients that are needed for the growth and maintenance of our body.
Match the following.
Column A | Column B | ||
(1) | Fats | (a) | Jowar |
(2) | Proteins | (b) | Oil |
(3) | Vitamins | (c) | Bran of cereals |
(4) | Minerals | (d) | Pulses |
(5) | Starchy foods | (e) | Iron |
The nutrient required in trace amounts to accomplish various body functions is ______.
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.