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Question (21)

QN0010747

A child chews each bite 20 times before swallowing. Which benefit from the chapter is being applied?

(A) Better digestion through saliva release
(B) Food preservation
(C) Refrigeration
(D) Dehydration

Correct Answer: A

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Question (22)

QN0010748

Which food-making process depends on helpful microbes?

(A) Rising of idli batter
(B) Making plastic toys
(C) Building roads
(D) Painting walls

Correct Answer: A

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Question (23)

QN0010749

What helps idli batter rise?

(A) Microbes in the air
(B) Stones in the batter
(C) Metal particles
(D) Sand grains

Correct Answer: A

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Question (24)

QN0010750

Which example shows microbes helping humans?

(A) Helping make idli batter rise
(B) Spoiling forgotten food
(C) Causing mould growth only
(D) Blocking airways

Correct Answer: A

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Question (25)

QN0010751

What should be done if indigestion becomes severe?

(A) Consult a doctor
(B) Ignore it forever
(C) Stop drinking water
(D) Avoid all food permanently

Correct Answer: A

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Question (26)

QN0010752

Which statement best summarizes the role of food in the body from this section?

(A) Food digestion is supported by chewing, saliva and good microbes
(B) Food is useful only for taste
(C) Digestion happens without any help
(D) Teeth alone digest food

Correct Answer: A

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Question (27)

QN0010753

A student drinks buttermilk after stomach discomfort. Which concept is being applied?

(A) Good microbes may help digestion
(B) Food preservation
(C) Refrigeration
(D) Dehydration

Correct Answer: A

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Question (28)

QN0010754

Which habit is least helpful for digestion?

(A) Eating too fast
(B) Chewing carefully
(C) Eating mindfully
(D) Following healthy food habits

Correct Answer: A

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Question (29)

QN0010755

Why are some microbes called “good microbes”?

(A) They help make food items and aid digestion
(B) They spoil all foods
(C) They live only outside the body
(D) They remove teeth

Correct Answer: A

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Question (30)

QN0010756

Which observation supports the idea that digestion starts in the mouth?

(A) Chewing releases saliva that helps digestion
(B) Refrigeration slows microbes
(C) Oil prevents spoilage
(D) Sunlight dries chillies

Correct Answer: A

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Question (21)

A child chews each bite 20 times before swallowing. Which benefit from the chapter is being applied?

Explanation:

Link:

Question (22)

Which food-making process depends on helpful microbes?

Explanation:

Link:

Question (23)

What helps idli batter rise?

Explanation:

Link:

Question (24)

Which example shows microbes helping humans?

Explanation:

Link:

Question (25)

What should be done if indigestion becomes severe?

Explanation:

Link:

Question (26)

Which statement best summarizes the role of food in the body from this section?

Explanation:

Link:

Question (27)

A student drinks buttermilk after stomach discomfort. Which concept is being applied?

Explanation:

Link:

Question (28)

Which habit is least helpful for digestion?

Explanation:

Link:

Question (29)

Why are some microbes called “good microbes”?

Explanation:

Link:

Question (30)

Which observation supports the idea that digestion starts in the mouth?

Explanation:

Link:

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