section 9 MCQ Questions & Answers Detailed Explanation

Question : 1

Consider the following statements.

1. Fatty acids should be a part of human diet.
2. A normal diet should contain 75 gm of fat.
3. The cells of human body can not synthesize any fatty acids.
4. Deficiency diseases develop due to the absence of essential fatty acids.

a) Only 2 and 3

b) 1, 2 and 4

c) 1, 2 and 3

d) Only 3 and 4

Question : 2

Which of the following statements is/are correct? Viruses can infect

1. Bacteria
2. Fungi
3. Plants

a) Only 1 and 3

b) Only 1 and 2

c) Only 3

d) 1, 2 and 3

Question : 3

Due to unsafe drinking water and lack of Sanitation, three main communicable disease in developing countries are

a) Orchociasis, White blindness, Arthritis

b) Diarrhoea, Cancer, Gout

c) Malaria, Acute diarrhoea, Schistosomiasis

d) Rheumatism, Malaria, AIDS

Question : 4

Consider the following statements.
Assertion (A):
Immune system gets affected by AIDS.
Reason (R):
T-lymphocytes get completely damaged in AIDS.
Select the correct answer using the code given below.
Code

a) (A) is true, but (R) is false

b) Both (A) and (R) are true and (R) is the correct explanation of (A)

c) Both (A) and (R) are true, but (R) is not the correct explanation of (A)

d) (A) is false, but (R) is true

Question : 5

Diabetes is caused due to malfunctioning of

a) Kidney

b) Pancreas

c) Liver

d) Gall bladder

Question : 6

Who invented vaccine for small pox ?

a) Edward Jener

b) Robert Hooke

c) Robert Koch

d) Louis Pasteur