Question

(i) Infectious diseases can spread through
(a) Air
(b) water
(c) food
(d) All of the above
(1) Infectious diseases are caused due to -
(a) Bacteria
(b) Fungi
(c) Viruses
(d) All of the above
(iii) General effects of diseases include-
(a) fever and faigue
(b)bleeding
(c) heart fail
(d)none of the above
(iv) measles and chickenpox can be prevented by.
(a, vaccine
(b)mosquito killing
(c)surgery
(d) All of the above​

Answer 1

Answer:

This is the answer.

Explanation:

(I) d. All of the above.

(ii) c. Viruses

(iii) a. Fever and faigue

(iv) a. Vaccine