Quiznetik

Microorganisms- Friend or Foe | Set 1

1. Diseases like polio and chicken pox are caused by _______

A. Bacteria

B. Fungi

C. Virus

D. Worms

Correct : B. Fungi

2. Examples of Multicellular Microorganism are

A. Algae, Bacteria

B. Bacteria and Fungi

C. Bacteria and Viruses

D. Algae and Fungi

Correct : D. Algae and Fungi

3. Some medicines obtained from micro-organisms are applied to kill or stop the growth of disease-causing microorganisms. Such medicines are called ______.

A. Antibodies

B. Antibiotics

C. Antiseptics

D. All of the above

Correct : B. Antibiotics

4. A common preservative used in jam and pickles is

A. Sodium benzoate

B. Nitric acid

C. Sodium Chloride

D. Copper Sulphate

Correct : A. Sodium benzoate

5. Rhizobium found in root nodules of leguminous roots is an

A. Atmospheric Carbon fixer

B. Atmospheric Oxygen fixer

C. Atmospheric Nitrogen fixer

D. All of the above

Correct : C. Atmospheric Nitrogen fixer

6. Lactobacillus is commonly found in

A. Cake

B. Curd

C. Bread

D. All of the above

Correct : B. Curd

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

A. Fermentation

B. Pasteurisation

C. Alcoholism

D. All of the above

Correct : A. Fermentation

8. The pores in the bread is due to gas bubbles of

A. Oxygen

B. Nitrogen di oxide

C. Nitrogen

D. Carbon di oxide

Correct : D. Carbon di oxide

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

A. Medication

B. Antibiotics

C. Vaccination

D. All of the above

Correct : C. Vaccination

10. The microbe for Malaria is carried by

A. Male Anopheles mosquito

B. Female Anopheles Mosquito

C. Male Aedes mosquito

D. Female Aedes mosquito

Correct : B. Female Anopheles Mosquito