Question

Virus
Jldse
(VI)
IV. Write 'true' or 'false' against the statements given below :
(1) Malaria is caused by a virus,
(W) Germ theory of disease was given by Leeuwenhoek.
(iii) Plague is caused by the bite of infected fleas.
(iv) Milk is preserved by pasteurization
(v) Yeast is used in the production of vinegar.
V. Name the following:
1. A bacterium that helps in the curdling of milk.
2. A fungus used in the preparation of antibiotics.
3. A microbe used in bread industry.
4. A microorganism used in the production of alcohol.
5. Two diseases each caused by bacteria, fungi, protozoa and viruses.
6. The scientist who discovered penicillin.
7. Two food items prepared by using yeast.
8. A nitrogen-fixing bacterium.
9. Malaria-causing microorganism. ​

Answer 1

Explanation:

the malaria ciusing microrganism 7

Answer 2

1) False.

2) False.

3) True.

4)True.

5) True.

________________________________

Name the following :-

1) Lactobacillus is a bacterium helps in the curdling of milk.

2) Penicillium notatum and Cephalosporin acremonium.

3) Saccharomyces cerevisiae.

4)Yeast.

5) Two diseases caused by bacteria :-

• Cholera.

•Tuberculosis .

Two diseases caused by fungi :-

• Aspergillosis.

•Candida auris.

Two diseases caused by protozoa :-

•Malaria.

• Toxoplasmosis.

Two diseases caused by virus :-

•Common cold.

•Flu and warts.

6) Alexander Fleming.

7) Bread and wine.

8)Bacillus.

9) Plasmodium parasite.

Hope it helped u ✌✌.