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Class 9 Practice Level 2 - Why do we fall ill - Set 2
Total questions: 25
1.
Which pathogen causes tuberculosis?
Plasmodium
Mycobacterium
Rhinovirus
Escherichia coli
None
2.
Which cells are primarily involved in the body's immune response to infection?
Red blood cells
White blood cells
Platelets
Nerve cells
None
3.
Why is the polio vaccine important for children?
It provides energy.
It prevents poliovirus infection.
It improves digestion.
It strengthens bones.
None
4.
Which of the following diseases is not waterborne?
Cholera
Typhoid
Hepatitis A
Influenza
None
5.
What is a key preventive measure against malaria?
Drinking more water
Using mosquito repellents and nets
Eating spicy food
Taking vitamin C supplements
None
6.
Which of the following is a communicable disease?
Diabetes
Cancer
Common cold
Hypertension
None
7.
Which symptom is commonly associated with hepatitis?
Rash
Joint pain
Jaundice
Cough
None
8.
Which disease can be prevented by the DPT vaccine?
Typhoid
Tetanus
Tuberculosis
Malaria
None
9.
Why are antibiotics not effective against viral infections?
Viruses do not cause diseases.
Viruses replicate inside host cells.
Antibiotics only target fungal cells.
Antibiotics are too weak to kill viruses.
None
10.
Which lifestyle choice can help reduce the risk of developing type 2 diabetes?
Regular physical activity
Excessive sugar intake
Smoking
Skipping meals
None
11.
What role do lymph nodes play in the immune system?
Produce hormones
Filter out harmful substances
Store fats
Generate energy
None
12.
Which nutrient deficiency causes anaemia?
Vitamin C
Iron
Calcium
Protein
None
13.
Which of the following is an example of a chronic disease?
Influenza
Asthma
Chickenpox
Measles
None
14.
Which type of vaccine contains a weakened form of the pathogen?
Inactivated vaccine
Subunit vaccine
Live attenuated vaccine
Toxoid vaccine
None
15.
Why is it important to complete the full course of prescribed antibiotics?
To prevent antibiotic resistance
To save costs
To increase side effects
To enhance appetite
None
16.
Which practice can help reduce the risk of contracting waterborne diseases?
Drinking untreated water
Bathing in contaminated rivers
Using water filters
Ignoring water quality reports
None
17.
What is the primary function of antibodies?
To produce red blood cells
To transport oxygen
To neutralize pathogens
To provide energy
None
18.
Which of the following is a common symptom of influenza?
High fever
Jaundice
Skin rash
Joint swelling
None
19.
Which personal hygiene practice is essential for preventing oral diseases?
Wearing clean clothes
Brushing teeth twice a day
Washing hands before meals
Taking regular baths
None
20.
How does a fever help the body fight infection?
By reducing blood flow
By increasing body temperature
By decreasing oxygen levels
By suppressing the immune system
None
21.
Which mineral deficiency leads to goitre?
Calcium
Iodine
Magnesium
Potassium
None
22.
Which of the following diseases is not spread through direct contact?
HIV/AIDS
Tuberculosis
Common cold
Malaria
None
23.
Which of the following best describes acquired immunity?
Immunity present at birth
Immunity developed after exposure to a pathogen
Immunity inherited from parents
Immunity due to physical barriers like skin
None
24.
Which of the following diseases is spread by a vector?
Hepatitis B
Tuberculosis
Dengue
Influenza
None
25.
Which type of pathogen causes ringworm? Bacteria
Bacteria
Virus
Fungus
Protozoa
None
1 out of 25
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