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Question (21)

QN003161

Which of the following helps prevent water-borne diseases?

(A) Drinking clean water
(B) Eating uncovered food
(C) Storing stagnant water
(D) Avoiding handwashing

Correct Answer: A

Explanation:

Clean drinking water prevents water-borne diseases.

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Question (22)

QN003162

Anaemia is mainly caused by deficiency of

(A) Calcium
(B) Iron
(C) Vitamin C
(D) Iodine

Correct Answer: B

Explanation:

Iron deficiency causes anaemia.

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Question (23)

QN003163

A person has fever every alternate day along with chills and sweating. Which disease is most likely?

(A) Cholera
(B) Malaria
(C) Asthma
(D) Diabetes

Correct Answer: B

Explanation:

Malaria commonly causes periodic fever with chills.

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Question (24)

QN003164

Which disease is commonly spread through contaminated food and water?

(A) Typhoid
(B) Asthma
(C) Obesity
(D) Hypertension

Correct Answer: A

Explanation:

Typhoid spreads through contaminated food and water.

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Question (25)

QN003165

A student suffering from obesity starts exercising daily and reduces junk food intake. Which outcome is most likely?

(A) Increased obesity risk
(B) Better health condition
(C) More infections only
(D) Reduced immunity only

Correct Answer: B

Explanation:

Exercise and healthy eating improve health.

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Question (26)

QN003166

A town had 120 dengue cases last month and 150 this month. By how many cases did dengue increase?

(A) 20
(B) 25
(C) 30
(D) 40

Correct Answer: C

Explanation:

Increase = 150 − 120 = 30.

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Question (27)

QN003167

Which of the following is an example of a communicable disease?

(A) Diabetes
(B) Cancer
(C) Tuberculosis
(D) Obesity

Correct Answer: C

Explanation:

Tuberculosis spreads from person to person.

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Question (28)

QN003168

Beriberi occurs due to deficiency of

(A) Vitamin A
(B) Vitamin B1
(C) Vitamin C
(D) Vitamin D

Correct Answer: B

Explanation:

Beriberi is caused by Vitamin B1 deficiency.

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Question (29)

QN003169

Which disease is mainly associated with unhealthy lifestyle and physical inactivity?

(A) Cholera
(B) Dengue
(C) Diabetes
(D) Measles

Correct Answer: C

Explanation:

Diabetes is linked with unhealthy lifestyle habits.

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Question (30)

QN003170

A disease spreads rapidly in a crowded classroom through sneezing. Which preventive measure is most suitable?

(A) Sharing water bottles
(B) Covering mouth while sneezing
(C) Eating more sweets
(D) Avoiding clean air

Correct Answer: B

Explanation:

Covering the mouth reduces spread of infection.

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Question (21)

Which of the following helps prevent water-borne diseases?

Explanation:

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Question (22)

Anaemia is mainly caused by deficiency of

Explanation:

Link:

Question (23)

A person has fever every alternate day along with chills and sweating. Which disease is most likely?

Explanation:

Link:

Question (24)

Which disease is commonly spread through contaminated food and water?

Explanation:

Link:

Question (25)

A student suffering from obesity starts exercising daily and reduces junk food intake. Which outcome is most likely?

Explanation:

Link:

Question (26)

A town had 120 dengue cases last month and 150 this month. By how many cases did dengue increase?

Explanation:

Link:

Question (27)

Which of the following is an example of a communicable disease?

Explanation:

Link:

Question (28)

Beriberi occurs due to deficiency of

Explanation:

Link:

Question (29)

Which disease is mainly associated with unhealthy lifestyle and physical inactivity?

Explanation:

Link:

Question (30)

A disease spreads rapidly in a crowded classroom through sneezing. Which preventive measure is most suitable?

Explanation:

Link:

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