Class 8 Science Chapter 2 MCQ Question Answer of Microorganisms : Friend and Foe NCERT Solution in Hindi. NCERT Class 8 Science Question Answer and Important Question Answer, Textual Question answer also Available for Various Board Students like HBSE, CBSE, UP board, Mp Board, RBSE and some other State Boards.
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NCERT Solution for Class 8 Science Chapter 2 Microorganisms : Friend and Foe MCQ Question Answer.
Microorganisms : Friend and Foe Class 8 MCQ Question Answer
1. Microorganisms are classifies into how many groups?
(a) Two
(b) Four
(c) Six
(d) Eight
Answer
Ans. (b) Four
2. Which Microorganisms is Responsible for Malaria?
(a) Bacteria
(b) Fungi
(c) Virus
(d) Protozoa
Answer
Ans. (d) Protozoa
3. Edward Jenner discovered the Vaccine for?
(a) Small Pox
(b) Malaria
(c) Chicken Pox
(d) Penicillin
Answer
Ans. (a) Small Pox
4. Alexander Fleming discovered Medicine of?
(a) Small Pox
(b) Malaria
(c) Chicken Pox
(d) Penicillin
Answer
Ans. (d) Penicillin
5. When a Disease Carrying microbe enters our body, then our body produces?
(a) Hormones
(b) Antibodies
(c) Antibiotics
(d) Vaccine
Answer
Ans. (b) Antibodies
6. The Process of fermentation is done with the help of?
(a) Bacteria
(b) Yeast
(c) Both A & B
(d) Protozoa
Answer
Ans. (c) Both A & B
7. Amoeba is a type of Microorganism?
(a) Bacteria
(b) Fungi
(c) Protozoa
(d) Algae
Answer
Ans. (c) Protozoa
8. Which type of Microorganism increases soil fertility?
(a) Bacteria
(b) Fungi
(c) Protozoa
(d) Algae
Answer
Ans. (a) Bacteria
9. Communicable diseases spread through?
(a) Air
(b) Water
(c) Food
(d) All of these
Answer
Ans. (d) All of these
10. Common cold disease is caused by?
(a) Virus
(b) Bacteria
(c) Protozoa
(d) Yeast
Answer
Ans. (a) Virus
11. Malaria is caused by?
(a) Dengue virus
(b) Corona virus
(c) Amoeba
(d) Penicillium
Answer
Ans. (a) Dengue virus
12. Which of the Following is not caused by Virus?
(a) Polio
(b) Tuberculosis
(c) Chicken Pox
(d) Measles
Answer
Ans. (b) Tuberculosis
13. Which of the following disease is not caused by bacteria?
(a) Tuberculosis
(b) Cholera
(c) Hepatitis A
(d) Typhoid
Answer
Ans. (c) Hepatitis A
14. Yeast is used in the Production of
(a) sugar
(b) alcohol
(c) hydrochloric acid
(d) oxygen
Answer
Ans. (b) alcohol
15. Carrier of malaria causing Protozoan is
(a) Female Anopheles Mosquito
(b) Cockroach
(c) housefly
(d) butterfly
Answer
Ans. (a) Female Anopheles Mosquito
16. Most common carrier of communicable diseases is
(a) ant
(b) butterfly
(c) housefly
(d) spider
Answer
Ans. (c) housefly
17. The process of conversion of sugar into alcohol is called?
(a) nitrogen fixation
(b) molding
(c) fermentation
(d) Infection
Answer
Ans. (c) fermentation