Digestion and Absorption Test

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Digestion and Absorption Test - 71

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Question 1
1 / -0

The acid present in the stomach:

A
Kills the harmful bacteria that may enter along with the food.

B
Protects the stomach lining from harmful substances.

C
Digests starch into simpler sugars.

D
Makes the medium alkaline.

Solution

'Hydrochloric acid' is an acid that is secreted in the stomach. It helps to kill the harmful bacteria that may enter the food.
So, the correct answer is option A.
Question 2
1 / -0

All the digestive enzymes like carbohydrase, protease, lipase, DNase, RNase are found in?

A
Lysosome

B
Peroxisome

C
Glyoxysome

D
Vacuole
Solution
- Lysosomes are membrane-bound vesicular structures formed by the process
of packaging in the Golgi apparatus.
The function of lysosomes is to remove waste as well as destroying a cell after it has died, called autolysis.
All the digestive enzymes like carbohydrase, protease, lipase, DNase, RNase are found in Lysosome these enzymes are capable of digesting carbohydrates, proteins, lipids, DNA and RNA respectively.
So, the correct answer is 'Lysosome'.
Question 3
1 / -0

Digestion of both starch and proteins is carried out by enzymes of

A
Gastric juice

B
Saliva

C
Bile juice

D
Pancreatic juice

Solution

Gastric juice-protein digestion partially, saliva-carbohydrate digestion partially. Bile juice has no enzymes and pancreatic juice has enzymes for digesting proteins, carbohydrates and fats
So, the correct answer is 'Pancreatic juice'
Question 4
1 / -0

Organic solids consists of carbohydrates, fats and

A
waste

B
Oil

C
Gases

D
Liquids

Solution

B. Oil
EXPLANATION: Organic solids are made up of carbon atoms covalently bonded to hydrogen, oxygen and other elements. Some other elements of organic solids are fats, proteins, oil. These molecules are incorporated into our bodies with the food we intake.
Question 5
1 / -0

Fill in the blanks with the right word from those given below.

Pushing forward the food that has been chewed is the function of the ______.

A
Stomach

B
Oesophagus

C
Both (a) and (b)

D
None of these

Solution

Pushing forward the food that has been chewed is the function of the oesophagus It passes the food from mouth to stomach.
Thus, the correct answer is (A).
Question 6
1 / -0

Marasmus happens because of deficiency of which of the following?

A
Carbohydrates

B
Proteins

C
Fats

D
Carbohydrates and proteins

Solution

Marasmus is a dietary deficiency disease that occurs due to malnutrition that includes low intake of carbohydrates and proteins.
So, the correct answer is 'Carbohydrates and proteins'
Question 7
1 / -0

Majority of digestion by enzymes takes place in which part of alimentary canal?

A
Duodenum

B
Ileum

C
Oesophagus

D
Large intestine

Solution

Majority of digestion by enzymes takes places in the anterior or first part of the small intestine as pancreatic juice and bile are secreted into the duodenum via hepato-pancreatic duct. Pancreatic juice contains enzymes for digestion of carbohydrates, proteins and fats. The bile juice contains bile salts that emulsify fats to be broken down by lipases.
So, the correct answer is 'Duodenum'
Question 8
1 / -0

Digestion takes place in which part of small intestine?

A
Duodenum

B
Jejunum

C
Ileum

D
All of these

Solution

Digestion takes place in the duodenum part of the small intestine where various enzymes for digestion are released by the wall of the intestine. The glands liver and pancreas release bile and pancreatic juice into the duodenum, which help in digestion of various components of food - carbohydrates, proteins and fats.
So, the correct answer is 'Duodenum'

Question 9

1 / -0

Match the two columns and select the correct among options given:

	Column I		Column II
A)	Biomacromolecules of food	i)	Alimentary canal and associated gland
B)	Human digestive system	ii)	Embedded in jawbones
C)	Stomach	iii)	Outer wall of visceral organs
D)	Thecodont	iv)	Converted into simple substances
E)	Serosa	v)	J-shaped hag like structure

A - (ii), B - (i), C - (v), D - (iii), E - (iv)

A - (iv), B - (i), C - (v), D - (ii), E - (iii)

A - (i), B - (ii), C - (iii), D - (iv), E - (v)

A - (i), B - (iii), C - (ii), D - (iv), E - (v)

Question 10
1 / -0

Most of the absorption of digested food takes place in which of the following?

A
Duodenum

B
Jejunum

C
Ileum

D
Colon

Solution

Most of the absorption of digested food takes place in the Jejunum of the small intestine, like sugars, fatty acids and amino acids.
So, the correct answer is 'Jejunum'

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Digestion and Absorption Test - 71

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Digestion and Absorption Test - 71

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Question 1

Kills the harmful bacteria that may enter along with the food.

Protects the stomach lining from harmful substances.

Digests starch into simpler sugars.

Makes the medium alkaline.

Solution

Question 2

Lysosome

Peroxisome

Glyoxysome

Vacuole

Solution

Question 3

Gastric juice

Saliva

Bile juice

Pancreatic juice

Solution

Question 4

waste

Oil

Gases

Liquids

Solution

Question 5

Stomach

Oesophagus

Both (a) and (b)

None of these

Solution

Question 6

Carbohydrates

Proteins

Fats

Carbohydrates and proteins

Solution

Question 7

Duodenum

Ileum

Oesophagus

Large intestine

Solution

Question 8

Duodenum

Jejunum

Ileum

All of these

Solution

Question 9

A - (ii), B - (i), C - (v), D - (iii), E - (iv)

A - (iv), B - (i), C - (v), D - (ii), E - (iii)

A - (i), B - (ii), C - (iii), D - (iv), E - (v)

A - (i), B - (iii), C - (ii), D - (iv), E - (v)

Question 10

Duodenum

Jejunum

Ileum

Colon

Solution

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