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Question (11)

QN0031798

Which pair of teeth is mainly used for grinding food?

(A) Incisors and canines
(B) Canines and premolars
(C) Premolars and molars
(D) Incisors and molars

Correct Answer: C

Explanation:

Premolars crush food and molars grind it into fine pieces.

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Question (12)

QN0031799

A child swallows food without chewing properly. Which problem is most likely?

(A) Food becomes sweeter
(B) Better digestion occurs immediately
(C) Increased chance of choking and poor digestion
(D) Teeth become stronger

Correct Answer: C

Explanation:

Proper chewing reduces choking and mixes food with saliva for easier digestion.

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Question (13)

QN0031800

Why does chewing food slowly improve digestion?

(A) It cools the food completely
(B) It mixes food with saliva
(C) It removes all germs from food
(D) It changes food into water

Correct Answer: B

Explanation:

Saliva begins digestion and helps in swallowing food easily.

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Question (14)

QN0031801

Aman brushes his teeth regularly but never rinses his mouth after meals. Which problem is he more likely to face?

(A) Better eyesight
(B) Tooth cavities
(C) Stronger gums automatically
(D) Faster nail growth

Correct Answer: B

Explanation:

Food particles left in the mouth can lead to tooth cavities.

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Question (15)

QN0031802

Which food is the best choice for a two-day school trip without refrigeration?

(A) Fresh cream cake
(B) Cut watermelon
(C) Dry biscuits and roasted peanuts
(D) Boiled milk

Correct Answer: C

Explanation:

Dry foods contain very little moisture and remain fresh for longer.

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Question (16)

QN0031803

Why are seasonal fruits generally considered better to eat?

(A) They always contain sugar only
(B) They are usually fresher and naturally available during that season
(C) They never spoil
(D) They do not contain seeds

Correct Answer: B

Explanation:

Seasonal fruits are fresh, tasty and naturally available during their season.

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Question (17)

QN0031804

Which of the following practices is least likely to prevent food spoilage?

(A) Refrigerating milk
(B) Drying chillies in sunlight
(C) Keeping cooked food uncovered for many hours
(D) Covering pickle with oil

Correct Answer: C

Explanation:

Leaving cooked food uncovered exposes it to air and microbes, increasing spoilage.

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Question (18)

QN0031805

A family stores rice in airtight containers, dries papads in sunlight and refrigerates leftover curry. What common purpose do all these methods serve?

(A) To make food sweeter
(B) To increase moisture in food
(C) To reduce the growth of microbes
(D) To improve the colour of food

Correct Answer: C

Explanation:

Different preservation methods prevent or slow the growth of microbes.

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Question (19)

QN0031806

Which statement about microbes is correct?

(A) All microbes are harmful.
(B) Microbes are found only in dirty places.
(C) Some microbes spoil food while others help make food like curd and idli.
(D) Microbes can be seen easily with our eyes.

Correct Answer: C

Explanation:

Some microbes are harmful, while others are useful in food preparation and digestion.

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Question (20)

QN0031807

Which sequence correctly shows the path to healthier digestion?

(A) Swallow quickly → No saliva → Better digestion
(B) Chew well → Saliva mixes with food → Easier digestion
(C) Eat fast → Bigger food pieces → Better digestion
(D) Skip chewing → Healthy teeth → Easy digestion

Correct Answer: B

Explanation:

Proper chewing breaks food into smaller pieces and mixes it with saliva, making digestion easier.

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Question (11)

Which pair of teeth is mainly used for grinding food?

Explanation:

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Question (12)

A child swallows food without chewing properly. Which problem is most likely?

Explanation:

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Question (13)

Why does chewing food slowly improve digestion?

Explanation:

Link:

Question (14)

Aman brushes his teeth regularly but never rinses his mouth after meals. Which problem is he more likely to face?

Explanation:

Link:

Question (15)

Which food is the best choice for a two-day school trip without refrigeration?

Explanation:

Link:

Question (16)

Why are seasonal fruits generally considered better to eat?

Explanation:

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Question (17)

Which of the following practices is least likely to prevent food spoilage?

Explanation:

Link:

Question (18)

A family stores rice in airtight containers, dries papads in sunlight and refrigerates leftover curry. What common purpose do all these methods serve?

Explanation:

Link:

Question (19)

Which statement about microbes is correct?

Explanation:

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Question (20)

Which sequence correctly shows the path to healthier digestion?

Explanation:

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