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प्रश्न
Define digestion.
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उत्तर
It is the breaking down of complex insoluble food components into simple soluble substances.
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संबंधित प्रश्न
Name any four life processes in living things.
Fill in the following blank with suitable word :
Iodine turns blue-black on reacting with ....................
Where are proteins first digested in the alimentary canal?
(a) small intestine
(b) oesophagus
(c) mouth
(d) stomach
If the saliva is lacking in salivary amylase, then which of the following processes taking place in the buccal cavity will be affected?
(a) proteins breaking down into amino acids
(b) starch breaking down into sugars
(c) fats breaking down into fatty acids and glycerol
(d) intestinal layer breaking down leading to ulcers
The first enzyme to mix with food in the digestive tract is:
(a) pepsin
(b) cellulose
(c) amylase
(d) trypsin
Define the terms 'nutrients'.
Explain the process of digestion of food in mouth, stomach and small intestine in human body.
Define the following term :
Omnivore
Write one function each of the following enzymes:
Pepsin
What is the main function of bile?
Fill in the blank.
Saliva contains salivary amylase which changes starch to _____.
Differentiate between
Small intestine and Large intestine
Write short answers
What is peristalsis?
Define with examples: Herbivores
Correct the spellings: Reninne
Analogy
Enzymes: Digestive glands:: _______: Endocrine glands.
______ is the common passage of air and food.
Salivary glands secrete ______.
How do carbohydrates, proteins and fats get digested in human beings?
