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Worksheets

Microbes in Human Welfare

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Microbes are diverse which include

A. Bacteria

B. Mosses

C. Protozoans

D. Fungi

a)

A, C, D

b)

A, D

c)

A, B

d)

C, D

2.

Microbes are present in –

A. Soil

B. Air

C. Water

D. Thermal springs

a)

A, C, D

b)

A, B, C, D

c)

A, B

d)

C, D

3.

Yeasts have been used for the commercial production of

A. wine

B. whisky

C. ethanol

D. curd

a)

A, B, C

b)

A, B, C, D

c)

B, C, D

d)

A, B, D

4.

The distillation of the fermented broth is required in the formation of

A. rum

B. beer

C. brandy

D. whisky

a)

A, B, C

b)

A, C, D

c)

B, C, D

d)

A, B, D

5.

Which of the following food items is produced by fermentation by the microbes?

A. Idli

B. Dosa

C. Toddy

D. Cheese

a)

A, B, C, D

b)

C, D

c)

A, C

d)

A, B, C

6.

Which industrial products are synthesized from microbes?

A. Antibiotics

B. Fermented beverages

C. Enzymes and chemicals

D. Bioactive molecules

a)

A, C, D

b)

A, B, C, D

c)

A, C

d)

A, B, C

7.

The microscopic proteinaceous infectious agents are called –

a)

Protozoa

b)

Fungi

c)

Prions

d)

Bacteria

8.

The nutritive media for growing bacteria and other microorganisms in the laboratory is called –

a)

colonies

b)

culture media

c)

baking media

d)

fermentation

9.

Which of the following bacteria convert milk into curd?

a)

Propionibacterium

b)

Lactobacillus

c)

Streptococcus

d)

Bacillus

10.

The dough used for making bread is fermented by

a)

bacteria

b)

Yeast

c)

fungi

d)

algae