Digestive System Test

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Digestive System Test - 1

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Weekly Quiz Competition

Question 1
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Which of the following food products is mostly comprised of starch, and should be a main part of all meals?

A
Fruits

B
Cheese

C
Cereals

D
Vegetables

Solution

Cereals provide more energy than the other given alternatives, as they contain maximum amount of carbohydrates and requisite proportions of other minerals as well. Hence, cereals should be a part of all meals.
Question 2
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Use the following information to answer the next question.

Pancreas secretes pancreatic juice that takes part in the digestion of carbohydrates, proteins and fats.

At the end of digestion, the carbohydrates are broken down into

A
glucose

B
glycerol

C
fatty acids

D
amino acids

Solution

At the end of the digestion process carbohydrates are broken down into simple sugars like glucose.

The correct answer is A.
Question 3
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Saliva contains an enzyme that helps in the digestion of starch. Which enzyme is present in saliva?

A
Amylase

B
Trypsin

C
Lipase

D
Pepsin

Solution

Saliva contains salivary amylase, which takes part in the digestion of starch by breaking it down into simple sugars.
Question 4
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Liver and pancreas secrete digestive juices that help in the digestion of carbohydrates, proteins, and fats.

Liver and pancreas pour their secretions into the

A
stomach

B
oesophagus

C
small intestine

D
large intestine

Solution

The ducts coming from liver and pancreas open into the small intestine. They pour their secretions into it and help in the digestion of carbohydrates, proteins, and fats.
Question 5
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Use the following information to answer the next question.

Small intestine is an important part of the alimentary canal.

What is the function of small intestine?

A
Releasing bile juice

B
Transferring food to the stomach

C
Absorbing water from the undigested food

D
Absorbing nutrients from the digested food

Solution

The primary function of the small intestine is to absorb nutrients from the digested food.
Question 6
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Use the following information to answer the next question.

Jamie is suffering from constipation and abdominal pain. The doctor advises him to include more fibre in his diet.

Which of the following food items is a rich source of fibre?

A
Root vegetable

B
Milk product

C
Animal meat

D
Fruit juice

Solution

All vegetables contain fibre. Plant fibre contains cellulose, which is present in the cell wall. It is not digested by the body. This fibre absorbs water in the intestine, softening the stool as a result. Thus, root vegetables are a good source of fibre.
Question 7
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Which of the following nutrients is not digested by the digestive system but required for the correct function of the intestines?

A
Carbohydrates

B
Vitamins

C
Fibers

D
Fats

Solution

To answer this question correctly, the student must understand that fibers have very strong molecular bonds. Therefore, they are not easily broken by teeth or by acids and hence are not digested. Fibers contain special cells that clean up the intestine and are essential for the proper functioning of intestines.
Question 8
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Which arrow diagram correctly represents the sequence of digestion?

A
Mouth →oesophagus→ large intestine → small intestine → stomach → rectum

B
Mouth → stomach →small intestine → large intestine → oesophagus → rectum

C
Mouth → oesophagus → stomach → small intestine → large intestine → rectum

D
Mouth→ oesophagus →rectum → large intestine → stomach → small intestine

Solution

To answer this question successfully, the student must know the correct sequence of digestion in the human body. Food first enters mouth from where it goes into the stomach through the oesophagus. From the stomach, the food enters the small intestine and then proceeds to the large intestine. Finally, waste food is passed out of the body through the rectum.

The correct answer is C.

Why alternative A is wrong:

Digestion begins in the mouth and then, the food passes to the stomach through the oesophagus. Therefore, this sequence is incorrect.

Why alternative B is wrong:

Digestion begins in the mouth and then the food passes to the stomach through the oesophagus. Therefore, this sequence is incorrect.

Why alternative D is wrong:

The digestion begins in the mouth, and then the food passes to the stomach through the oesophagus. The rectum is present at the very end of the alimentary canal. Therefore, this sequence is incorrect.

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Re-Attempt Weekly Quiz Competition

Digestive System Test - 1

Result

Digestive System Test - 1

Score

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SHARING IS CARING

Question 1

Fruits

Cheese

Cereals

Vegetables

Solution

Question 2

glucose

glycerol

fatty acids

amino acids

Solution

Question 3

Amylase

Trypsin

Lipase

Pepsin

Solution

Question 4

stomach

oesophagus

small intestine

large intestine

Solution

Question 5

Releasing bile juice

Transferring food to the stomach

Absorbing water from the undigested food

Absorbing nutrients from the digested food

Solution

Question 6

Root vegetable

Milk product

Animal meat

Fruit juice

Solution

Question 7

Carbohydrates

Vitamins

Fibers

Fats

Solution

Question 8

Mouth →oesophagus→ large intestine → small intestine → stomach → rectum

Mouth → stomach →small intestine → large intestine → oesophagus → rectum

Mouth → oesophagus → stomach → small intestine → large intestine → rectum

Mouth→ oesophagus →rectum → large intestine → stomach → small intestine

Solution

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