Digestion and Absorption Test

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Digestion and Absorption Test - 69

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following statements about digestion is correct ?

A
Digestion releases energy from food

B
Digestion converts insoluble molecules into soluble molecules

C
Digestion changes proteins into amino acids

D
All of the above

Solution

B. Digestion converts insoluble molecules into soluble molecules
Solution: Digestion is the process of breakdown of large insoluble food molecules into small water-soluble food molecules so that they can be absorbed easily into the blood plasma.
So the correct answer is "Digestion converts insoluble molecules into soluble molecules"
Question 2
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Stomach is the site digestion mainly of ______________.

A
Carbohydrates

B
Fats

C
Proteins

D
All of these

Solution

The stomach is the site for the digestion of Protein. Pepsin present in duodenum breaks down the food proteins into polypeptides which are then broken down by various exopeptidases and dipeptidases into amino acids.
So, the correct answer is 'Proteins'.
Question 3
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Which is not a parasite of the human intestine?

A
Ringworm

B
Pinworm

C
Threadworm

D
Tapeworm

Solution

1) Ringworm causes contagious fungal infection on the outer layer of skin.

2) Pinworm infection is an infection of the large intestine and anal area by a small, white parasite, pinworm. Pinworms are also called Threadworm due to their thread-like appearance.

4) Tapeworms are flatworms that can live in the intestines and cause infection.

So the correct answer is A ‘Ringworm’.
Question 4
1 / -0

In which part of gastro-intestinal tract does maximum absorption of water occur?

A
Colon

B
Duodenum

C
Jujenum

D
Ileum

Solution

Maximum absorption of water occurs in the large intestine, that is, in the colon. Certain drugs and metals are also absorbed here.
So, the correct answer is 'Colon'.
Question 5
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Find the odd one out
1) oesophagus - stomach 2)Pyloric stomach- Large intestine
3) Anus - Defecation

A
1 only

B
2 only

C
1,3

D
2,3
Question 6
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In small intestine, active absorption occurs in case of?

A
Glucose

B
Alcohol

C
Water

D
All the above
Question 7
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Partially digested acidic food released from the stomach into the duodenum is called as ________.

A
Food bolus

B
Chyme

C
Chyle

D
Faeces
Question 8
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Which of the following statements regarding layers of alimentary canal are true.
$$1$$. The cells lining the villi produce numerous microscopic projections called microvilli.
$$2$$. Submucosa has goblet cells which secrete mucus that help in lubrication.
$$3$$. Mucosa forms glands in the stomach.
$$4$$. In duodenum, glands are also present in submucosa.

A
$$1, 2, 3$$

B
$$1, 3, 4$$

C
$$2, 3, 4$$

D
$$1, 2, 4$$
Question 9
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Which one of the following type of medicines is used for treating indigestion?

A
Antibiotic

B
Analgesic

C
Antacid

D
Antiseptic
Solution
- An antacid is a substance that neutralizes stomach acidity and is used as a remedy for heartburn, indigestion, or an upset stomach.
- Some antacids currently available in the market, contain salts of aluminum, calcium, magnesium, or sodium.
- Antacids contain alkaline ions that chemically neutralize stomach gastric acid, reducing damage to the stomach lining and esophagus, and relieving pain.
So, the correct answer is option C.
Question 10
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In which of these parts peristalsis takes place?

A
Oesophagus

B
Stomach

C
Small intestine

D
Large intestine

Solution

Peristalsis or the gradual involuntary movements of the longitudinal and circular muscles occurs in the oesophagus that helps the food to pass from the buccal cavity to the stomach.
So the correct answer is option A.

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Re-Attempt Weekly Quiz Competition

Digestion and Absorption Test - 69

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Digestion and Absorption Test - 69

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SHARING IS CARING

Question 1

Digestion releases energy from food

Digestion converts insoluble molecules into soluble molecules

Digestion changes proteins into amino acids

All of the above

Solution

Question 2

Carbohydrates

Fats

Proteins

All of these

Solution

Question 3

Ringworm

Pinworm

Threadworm

Tapeworm

Solution

Question 4

Colon

Duodenum

Jujenum

Ileum

Solution

Question 5

1 only

2 only

1,3

2,3

Question 6

Glucose

Alcohol

Water

All the above

Question 7

Food bolus

Chyme

Chyle

Faeces

Question 8

$$1, 2, 3$$

$$1, 3, 4$$

$$2, 3, 4$$

$$1, 2, 4$$

Question 9

Antibiotic

Analgesic

Antacid

Antiseptic

Solution

Question 10

Oesophagus

Stomach

Small intestine

Large intestine

Solution

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