iGCSE Biology (0610)-10.1 Diseases and immunity – iGCSE Style Questions Paper 2

Question

What happens when a child is vaccinated against tuberculosis?

         

Answer/Explanation

Ans

B

Question

The body has defenses to protect itself from diseases.
     What is a mechanical barrier to diseases?
A hairs in the nose
B plasma
C stomach acid
D white blood cells

Answer/Explanation

Ans

A

Question

The antibodies that give immunity to a disease can be acquired in the following different ways.
1 feeding on breast milk
2 infection by disease
3 vaccination
Which give active immunity?
A 1 and 2 only      B 1 and 3 only      C 2 and 3 only      D 1, 2 and 3

Answer/Explanation

Ans: C

Question

What is a correct statement about lymphocytes?
A Lymphocytes engulf pathogens.
B Lymphocyte numbers can be reduced when a person is infected with HIV.
C Lymphocytes produce antigens.
D Lymphocytes transport oxygen to different parts of the body.

Answer/Explanation

Ans: B

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