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Question (21)

QN001481

Bile helps in digestion mainly by

(A) digesting proteins directly
(B) breaking fats into tiny droplets
(C) absorbing water
(D) converting sugar into starch

Correct Answer: B

Explanation:

Bile breaks fats into tiny droplets for easier digestion.

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Question (22)

QN001482

The nature of bile is

(A) acidic
(B) neutral
(C) mildly basic
(D) salty only

Correct Answer: C

Explanation:

Bile is mildly basic in nature.

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Question (23)

QN001483

Why is bile important after food leaves the stomach?

(A) It increases acidity further
(B) It neutralises acids in food
(C) It removes proteins completely
(D) It stores nutrients

Correct Answer: B

Explanation:

Bile neutralises acidic food from the stomach.

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Question (24)

QN001484

Which digestive juice helps digest carbohydrates, proteins, and fats?

(A) Saliva only
(B) Pancreatic juice
(C) Mucus only
(D) Bile only

Correct Answer: B

Explanation:

Pancreatic juice helps digest carbohydrates, proteins, and fats.

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Question (25)

QN001485

The longest part of the alimentary canal is the

(A) stomach
(B) oesophagus
(C) small intestine
(D) rectum

Correct Answer: C

Explanation:

The small intestine is the longest part of the alimentary canal.

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Question (26)

QN001486

The small intestine is highly suitable for absorption because it has

(A) thick muscular walls
(B) many finger-like projections
(C) hard inner lining
(D) large air spaces

Correct Answer: B

Explanation:

Finger-like projections increase surface area for absorption.

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Question (27)

QN001487

Finger-like projections in the small intestine help by

(A) producing bile
(B) increasing surface area for absorption
(C) storing waste materials
(D) killing bacteria

Correct Answer: B

Explanation:

They increase the area available for absorption.

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Question (28)

QN001488

The process by which digested nutrients enter the blood is called

(A) digestion
(B) ingestion
(C) absorption
(D) egestion

Correct Answer: C

Explanation:

Absorption is the movement of nutrients into blood.

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Question (29)

QN001489

Which statement correctly explains why the small intestine is called “small”?

(A) It is shorter than the large intestine
(B) It is narrower than the large intestine
(C) It stores less food
(D) It absorbs less nutrients

Correct Answer: B

Explanation:

The small intestine is narrower in width.

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Question (30)

QN001490

The large intestine mainly absorbs

(A) proteins and vitamins
(B) glucose and fats
(C) water and some salts
(D) oxygen and carbon dioxide

Correct Answer: C

Explanation:

The large intestine absorbs water and some salts.

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Question (21)

Bile helps in digestion mainly by

Explanation:

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Question (22)

The nature of bile is

Explanation:

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Question (23)

Why is bile important after food leaves the stomach?

Explanation:

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Question (24)

Which digestive juice helps digest carbohydrates, proteins, and fats?

Explanation:

Link:

Question (25)

The longest part of the alimentary canal is the

Explanation:

Link:

Question (26)

The small intestine is highly suitable for absorption because it has

Explanation:

Link:

Question (27)

Finger-like projections in the small intestine help by

Explanation:

Link:

Question (28)

The process by which digested nutrients enter the blood is called

Explanation:

Link:

Question (29)

Which statement correctly explains why the small intestine is called “small”?

Explanation:

Link:

Question (30)

The large intestine mainly absorbs

Explanation:

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