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23 Microscopic World

Answer the following questions :
1. The microbe which reproduces only inside the body of the host organism

a. Bacteria b. Virus c. Protozoa d. Fungi

2. Disease like dysentery and malaria are caused by:
a. Fungi b. Bacteria c. Protozoa d. Virus

3. Micro organism use in the baking industry for making breads

a. Algae b. Fungi c. Yeast d. Moulds

4. Edward Jenner in 1798 discovered the vaccine for

a. Chicken pox b. Polio c. Small pox d. Rabies

5. Disease causing micro organisms are called

a. Carriers b. Pathogens c. Antibodies d. Microbes

6. AIDS is caused by .
a. Bacteria b. Virus c. Yeast d. Algae

7. Hepatitis B is spread by:

a. Bacteria b. Virus c. Protozoa d. Fungi

8. Anthrax is caused by

a. Fungi b. Bacteria c. Protozoa d. Virus

9. Setting of curd is promoted by .

a. Yeast b. Virus c. Lacto bacillus d. Rhizobium

10. Yellow vein mosaic of bhindi is a disease caused in plants by

a. Bacteria b. Virus c. Protozoa d. Fungi

11. Sodium Benzoate is a
a. Vaccine b. Preservative c. Antibiotic d. Pesticide

12. Jellies are preserved by
a. Salt b. Vinegar c. Sugar d. Air tight packets

13. Raw mangoes are preserved by .

a. Sugar b. Salt c. Oil d. Cold treatment

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