Question

1. The disease causing organism are called as

a) carriers

b) pathogen

c) vector

d) disease

2. Microbial diseases that can spread from an infected person to healthy person through food or

physical contact are called as ……………… diseases

a) vulnerable

b) communicable

c) viral

d) contaminated

3. Select the odd one out

a) cholera

b) tuberculosis

c) common cold

d) cancer

4. Some statements are given below, Select the incorrect one

a) When a person suffering from common cold sneezes, fine droplet spread in air

b) Virus may enter the body of a healthy person while breathing .

c) Insect & animals acts as a carriers

d) Male aedes mosquito acts as carriers of dengue virus

5. The colorblindness & haemophilia genes are located/ present on the ………… chromosome

a) X

b) Y

c) autosome

d) all of these

6. In the colour blindness disease the person cannot distinguish between …….. & ……… colour

a) green & pink

b) green & yellow

c) green & red

d) red & pink

7. Which of the following is an causative agent of malaria diseases ……………..mosquito

a) male anopheles

b) female anopheles

c) male aedes

d) anthrax

8. All mosquito breed in

a) air

b) soil

c) water

d) inside the host

9. How to prevent or avoid mosquito from breeding

a) not let water collect in cooler

b) not let water collect in tyres

c) by culture the gappi fish

d) all of these

10. …………….. Scientist discovered the bacterium which causes anthrax disease.

a) Edward Jenner

b) Robert Koch

c) Dr. Alexander fleming d) Louis Pasteur​

Answer 1

Answer:

1. B
2. b
3. common cold
4. b
5. d
6. d
7. b
8. water
9. d
10. a

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Answer 2

Answer:

10) d, 8)c, 5)a,7)b,3) may be A,