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प्रश्न
The question has four options. Choose the correct answer:
The amount of saliva produced per day in human is
पर्याय
200 ml
500 ml
750-1000 ml
Liters
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उत्तर
750-1000 ml
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संबंधित प्रश्न
Digestion of starch starts in the stomach.
Which part of the digestive canal is involved in:
Killing of bacteria ______.
Label the following figure of the digestive system.
A part of the human digestive system
Name the biological catalysts which bring about chemical digestion of food.
An enzyme secreted by gastric glands in stomach which acts on proteins.
Which of the following has the longest small intestine?
(a) carnivore
(b) omnivore
(c) herbivore
(d) autotroph
If the teeth are not cleaned regularly, they become covered with a sticky yellowish layer W of food particles and bacteria. Since layer W covers the teeth, the alkaline liquid X secreted by glands Y inside the mouth cannot reach the teeth surface to neutralise the acid formed by the action of organisms Z on sugary food, and hence tooth decay sets in.
(a) What is W known as?
(b) What is (i) X, and (ii) Y?
(c) What are organisms Z?
(d) State one way of removing layer W from the teeth.
Name the three enzymes found in pancreatic juice.
(i)____ (ii)____ (iii)_____
What do you mean by the absorption of food?
Define the following term:
Egestion
Write true or false for the below statement. Rewrite the false statements correctly.
Digestion of food in the intestine takes place in the presence of dilute hydrochloric acid.
Describe the human salivary gland.
The question has four options. Choose the correct answer:
Common passage for swallowing food and breathing is
What bodily needs or sensations do you become aware of even though you are reading a book?
Describe the alimentary canal of man
(i)______ and (ii)______ form the common bile duct.
The passage of food into the stomach is controlled by the ______.
In the given histology of the alimentary canal, identify i, ii, and iii.
What is digestion?
Write the chemical name and Molecular formula of tooth enamel.
