Class 8th Science Chapter 2 Online MCQ Questions ( Set – A )

Class 8th Science Micro-organisms Friend or Foe Chapter 2 Online quiz ( Set – A )

Class 8 Science mcq chapter - 2

1 / 10

The pores in the bread is due to gas bubbles of

2 / 10

The two micro - organisms which live in symbiotic association in lichens are

3 / 10

Pathogenic micro - organisms present in host cell are killed by medicines called.

4 / 10

The microbe for Malaria is carried by .

5 / 10

The process of conversion of sugar into alcohol by yeast is called .

6 / 10

Deliberately injecting weak microbes into a healthy body and producing antibodies to fight against strong microbes is called ______ .

7 / 10

A disease in human beings caused by virus is _____ .

8 / 10

Lactobacillus is commonly found in

9 / 10

Diseases like polio and chicken pox are caused by _____ .

10 / 10

Which of the following reproduces only inside a host cell ?

Your score is

The average score is 5%

0%

Leave a Reply