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Question (31)

QN003211

Which activity is most suitable for preventing the spread of diseases in schools?

(A) Sharing water bottles
(B) Washing hands regularly
(C) Throwing waste in classrooms
(D) Avoiding toilets

Correct Answer: B

Explanation:

Regular handwashing prevents infections.

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Question (32)

QN003212

A village reduced malaria cases from 90 to 30 after mosquito control measures. What fraction of the original cases remained?

(A) 1/2
(B) 1/3
(C) 2/3
(D) 3/4

Correct Answer: B

Explanation:

Remaining fraction = 30/90 = 1/3.

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Question (33)

QN003213

Which of the following contributes most to public health safety?

(A) Open dumping of waste
(B) Proper sanitation facilities
(C) Drinking unsafe water
(D) Avoiding vaccination drives

Correct Answer: B

Explanation:

Sanitation facilities improve public health.

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Question (34)

QN003214

Why are immunization schedules important?

(A) They weaken the immune system
(B) They ensure vaccines are given at the right time
(C) They spread infections
(D) They reduce cleanliness

Correct Answer: B

Explanation:

Vaccines are most effective when given on schedule.

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Question (35)

QN003215

A student used soap while washing hands 5 times daily for 12 days. How many times was soap used in total?

(A) 50
(B) 55
(C) 60
(D) 65

Correct Answer: C

Explanation:

5 × 12 = 60 times.

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Question (36)

QN003216

Which preventive method is most effective against air-borne infections?

(A) Keeping rooms poorly ventilated
(B) Maintaining good ventilation and hygiene
(C) Drinking dirty water
(D) Allowing garbage accumulation

Correct Answer: B

Explanation:

Ventilation and hygiene reduce air-borne infections.

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Question (37)

QN003217

Which of the following best explains disease control?

(A) Increasing spread of infection
(B) Reducing or stopping disease spread
(C) Avoiding medical treatment
(D) Ignoring symptoms completely

Correct Answer: B

Explanation:

Disease control means reducing or stopping spread.

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Question (38)

QN003218

A health centre vaccinated 720 people in 9 days equally. How many people were vaccinated each day?

(A) 60
(B) 70
(C) 80
(D) 90

Correct Answer: C

Explanation:

720 ÷ 9 = 80 people.

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Question (39)

QN003219

Which Indian initiative mainly promotes cleanliness and sanitation to reduce diseases?

(A) Swachh Bharat Mission
(B) Green Revolution
(C) White Revolution
(D) Project Tiger

Correct Answer: A

Explanation:

Swachh Bharat Mission promotes cleanliness and sanitation.

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Question (40)

QN003220

Which combination best helps prevent and control diseases?

(A) Vaccination, hygiene, and balanced diet
(B) Junk food, poor hygiene, and inactivity
(C) Stagnant water and uncovered garbage
(D) Sharing contaminated objects

Correct Answer: A

Explanation:

Vaccination, hygiene, and balanced diet help prevent diseases.

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Question (31)

Which activity is most suitable for preventing the spread of diseases in schools?

Explanation:

Link:

Question (32)

A village reduced malaria cases from 90 to 30 after mosquito control measures. What fraction of the original cases remained?

Explanation:

Link:

Question (33)

Which of the following contributes most to public health safety?

Explanation:

Link:

Question (34)

Why are immunization schedules important?

Explanation:

Link:

Question (35)

A student used soap while washing hands 5 times daily for 12 days. How many times was soap used in total?

Explanation:

Link:

Question (36)

Which preventive method is most effective against air-borne infections?

Explanation:

Link:

Question (37)

Which of the following best explains disease control?

Explanation:

Link:

Question (38)

A health centre vaccinated 720 people in 9 days equally. How many people were vaccinated each day?

Explanation:

Link:

Question (39)

Which Indian initiative mainly promotes cleanliness and sanitation to reduce diseases?

Explanation:

Link:

Question (40)

Which combination best helps prevent and control diseases?

Explanation:

Link:

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