Science MCQs

Practice multiple choice questions with instant feedback. Select an option to see if you're correct.

Total Questions
2100
Page 18 of 210
Question 171 Easy

What is the main cause of malaria?

A
Virus
B
Bacteria
C
Protozoan
D
Fungus
Question 172 Easy

Which of the following is a sign of inflammation?

A
Cold skin
B
Redness
C
Low fever
D
Clear mucus
Question 173 Medium

Passive immunity can be acquired through:

A
Vaccination
B
Mother’s milk
C
Exposure to pathogens
D
Antibiotic use
Question 174 Easy

Which of the following is a viral disease?

A
Typhoid
B
Cholera
C
Measles
D
Tuberculosis
Question 175 Easy

The best way to prevent the spread of infectious diseases is:

A
Avoiding sunlight
B
Washing hands regularly
C
Eating junk food
D
Ignoring wounds
Question 176 Easy

Which of the following is a vector-borne disease?

A
Diabetes
B
Malaria
C
Asthma
D
Hypertension
Question 177 Easy

The study of the immune system is called:

A
Cardiology
B
Immunology
C
Neurology
D
Pathology
Question 178 Medium

Which vitamin is essential for immune function?

A
Vitamin A
B
Vitamin C
C
Vitamin D
D
All of the above
Question 179 Medium

An example of an autoimmune disease is:

A
Influenza
B
Rheumatoid arthritis
C
Tetanus
D
Cholera
Question 180 Medium

Which of these is a secondary lymphoid organ?

A
Thymus
B
Bone marrow
C
Lymph nodes
D
Thyroid
Showing 171-180 of 2100 questions

Quick Stats

Total Questions 10900
easy 5797
medium 2983
hard 2120

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