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प्रश्न
Digestion of starch starts in the stomach.
पर्याय
True
False
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उत्तर
This statement is False.
Explanation:
Digestion starts in the mouth. The enzyme amylase in saliva begins breaking down starch into simpler sugars before the food reaches the stomach.
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संबंधित प्रश्न
Which part of the body secretes bile?
Describe one way in which the small intestine is adapted for the absorption of digested food.
| 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. |
- What is W known as?
- What are (i) X and (ii) Y?
- What are organisms Z?
- State one way of removing layer W from the teeth.
List the enzymes and their action on food in the stomach and intestine.
Draw a labelled diagram to show the internal structure of a mammalian tooth with two roots.
Fill in the blanks.
Incisors are used for _____ and _____ the food.
Fill in the blank.
Steapsin is also called _________
Fill in the blank.
Saliva contains salivary amylase which changes starch to _____.
Write true or false for the below statement. Rewrite the false statements correctly.
The wave-like motion of stomach muscles to push the food is called peristalsis.
Write short answers
What is peristalsis?
Complete the following enzymatic reaction.
Sucrose \[\ce{->[sucrase]}\] ___________+ __________
Answer in detail.
Liver does not secrete any enzymes yet it helps indigestion. How?
Correct the spellings: Caceum
Name the enzymes secreted by the following: Stomach
Use your brain power!
Why do we sometimes choke suddenly while eating?
Which sphincter guards the opening of the hepato-pancreatic duct?
Identify the labels i, ii, iii, and iv in the given diagram of tooth anatomy.
Mention the 3 important digestive glands in the process of digestion?
The digestive glands associated with the alimentary canal are ______.
What is chyme?
