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The oesophagus is in the thoracic cavity.

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Important Questions on Structure and Functions of Living Organisms - II

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Science>Biology>Structure and Functions of Living Organisms - II>Digestive System

Which enzyme starts the digestion in human beings?

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Science>Biology>Structure and Functions of Living Organisms - II>Digestive System

What reagent do you use to prove action of Saliva on Starch?

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Science>Biology>Structure and Functions of Living Organisms - II>Digestive System

The enzyme that is responsible for break down of starch into simple sugar in human mouth is-

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Science>Biology>Structure and Functions of Living Organisms - II>Digestive System
The enzyme contained by our saliva is called
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Science>Biology>Structure and Functions of Living Organisms - II>Digestive System

Name the following:

The first enzyme to mix with food in the digestive tract

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Science>Biology>Structure and Functions of Living Organisms - II>Digestive System
Name the enzyme found in the saliva.
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Science>Biology>Structure and Functions of Living Organisms - II>Digestive System
Saliva contains an enzyme called
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Science>Biology>Structure and Functions of Living Organisms - II>Digestive System

Write the name of an enzyme secreted by salivary gland.

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Science>Biology>Structure and Functions of Living Organisms - II>Digestive System
Eating chapati by chewing it very slowly tastes sweeter. Why?
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Science>Biology>Structure and Functions of Living Organisms - II>Digestive System

Match the following:

List A List B
(i) Pepsin a. Carbohydrates
(ii) Amylase b. Proteins
(iii) Lipase c. Fats
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Science>Biology>Structure and Functions of Living Organisms - II>Digestive System
Understand the relationship and complete the following.

Example: Children : milk teeth :: Adult : Permanent teeth

Molars : broad and flat : : Canines : _____(sharp teeth/curved teeth).

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Science>Biology>Structure and Functions of Living Organisms - II>Digestive System
Blood picks up digested food from the small intestine. 
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Science>Biology>Structure and Functions of Living Organisms - II>Digestive System
From the mouth, the food passes through the oesophagus into the
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Science>Biology>Structure and Functions of Living Organisms - II>Digestive System
Name the organs that make up the alimentary canal.
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Science>Biology>Structure and Functions of Living Organisms - II>Digestive System
Define egestion.
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Science>Biology>Structure and Functions of Living Organisms - II>Digestive System
Why does oesophagus have a long tube?
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Science>Biology>Structure and Functions of Living Organisms - II>Digestive System
Fill in the blank choosing the correct word in the bracket.

An adult person has 32 teeth. Out of these, twelve are: _____ [canines/molars].

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Science>Biology>Structure and Functions of Living Organisms - II>Digestive System
Name the hardest substance in our body.
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Science>Biology>Structure and Functions of Living Organisms - II>Digestive System
Most of the enzymes in the small intestine come from _____. (Pancreas/ Liver/ Stomach)
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Science>Biology>Structure and Functions of Living Organisms - II>Digestive System
What happens to the undigested food in the body?