MCQ of chapter 2 science class 8 microorganism :Friend and foe

 1. Alcohol is produced with the help of

   (a) sodium chloride       (b) yeast

   (c)  nitrogen                      (d) carbon dioxide

ANS - yeast

2. Which of the following drug is antipyritic ? 

     (a) Insulin                        (b) Alcohol

     (c) streptomycin             (d)  Paracetamol

ANS -  paracetamol

3. What helps in the rise of bread or dosa  dough? 

(a) Heat                                      (b) Grinding

(c) Growth of yeast cells         (d) Low pressure

ANS - Growth of yeast cells

4. The status of algae in the aquatic food chain is

(a)  consumers                            (b) producer

(c) host                                          (d) small in size

ANS - producer

5. Which microorganism causes AIDS? 

(a) protozoa                                   (b) bacteria  

(c) virus                                          (d)  An algae

ANS - protozoa

Comments

Popular posts from this blog

What are fungi?