Class 9 Practice Level 2 - Why do we fall ill - Set 1

How does tuberculosis spread from one person to another?

Through contaminated food

Through mosquito bites

Through air by coughing and sneezing

Through direct contact with skin

None

Which microorganism is responsible for causing malaria?

Bacteria

Virus

Protozoa

Fungi

None

Which of the following is an example of passive immunity?

Vaccination

Antibodies from mother's milk

Recovery from a disease

Healthy diet

None

Why is the BCG vaccine administered to infants?

To prevent polio

To prevent tuberculosis

To prevent measles

To prevent hepatitis

None

Which of the following is a characteristic of chronic diseases?

They last for a short period.

They are always contagious.

They persist for a long time.

They do not affect the quality of life.

None

Which of the following practices is important to prevent the spread of conjunctivitis?

Sharing towels

Washing hands frequently

Sharing eye makeup

Avoiding vaccination

None

Which measure is effective in preventing the spread of cholera?

Using insect repellents

Drinking boiled or treated water

Avoiding physical exercise

Consuming junk food

None

How can vaccination help in controlling an epidemic?

By curing infected individuals

By creating herd immunity

By increasing the spread of the disease

By reducing the need for medical care

None

Which lifestyle change can help prevent heart disease?

Increasing sugar intake

Reducing physical activity

Eating a balanced diet

Smoking regularly

None

10.

What is a major cause of antibiotic resistance in bacteria?

Overuse of antibiotics

Vaccination

Healthy lifestyle

Drinking clean water

None

11.

Which part of the immune system is responsible for producing antibodies?

Red blood cells

Platelets

White blood cells

Neurons

None

12.

Which of the following is an effective method to control the spread of malaria?

Using antibiotics

Spraying insecticides

Consuming vitamins

Wearing warm clothes

None

13.

How does proper nutrition influence the immune system?

It weakens the immune system.

It has no effect on the immune system.

It strengthens the immune system.

It only affects the digestive system.

None

14.

Which of the following is a common symptom of jaundice?

Red eyes

Yellowing of the skin and eyes

Joint pain

Swollen lymph nodes

None

15.

Which type of pathogen causes athlete's foot?

Bacteria

Virus

Fungus

Protozoa

None

16.

What is the primary goal of herd immunity?

To cure diseases

To reduce the incidence of diseases

To strengthen individual immunity

To promote disease transmission

None

17.

Why is it important to report outbreaks of infectious diseases to public health authorities?

To increase panic

To reduce funding for health programs

To implement control measures

To hide the information from the public

None

18.

At what age is the first dose of the measles vaccine typically given?

At birth

At 9 months

At 2 years

At 5 years

None

19.

Why are immunization programs important for public health?

They increase the spread of diseases.

They decrease immunity in the population.

They prevent outbreaks of infectious diseases.

They only benefit individuals, not the community.

None

20.

Which method is not effective in purifying drinking water?

Boiling

Filtration

Adding salt

Using chlorine tablets

None

21.

What deficiency causes scurvy?

Vitamin A

Vitamin B12

Vitamin C

Vitamin D

None

22.

Which disease is not typically spread through the air?

Tuberculosis

Influenza

Hepatitis B

Chickenpox

None

23.

Which of the following is an effective measure to prevent foodborne illnesses?

Storing perishable foods at room temperature

Cooking meat thoroughly

Avoiding handwashing before meals

Eating unwashed fruits and vegetables

None

24.

What is symptomatic treatment?

Treatment that cures the disease

Treatment that relieves symptoms without curing the disease

Treatment that prevents the disease

Treatment that causes the disease

None

25.

Which of the following is a risk factor for developing hypertension?

Low salt intake

Regular physical activity

High-stress levels

Adequate sleep

None

1 out of 25

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Class 9 Practice Level 2 - Why do we fall ill - Set 1

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