Micro-organisms Test

Result

Micro-organisms Test - 3

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Weekly Quiz Competition

Question 1
1 / -0

Among the given options, identify the type of organisms that are acellular and possess nuclear material coated with proteins.

A
Bacteria

B
Fungi

C
Protozoa

D
Viruses

Solution

Viruses are so small that they can be seen only under an electron microscope. They are acellular, which means their bodies have no cellular substances or nucleus. Instead, they possess nuclear material coated with proteins.
Question 2
1 / -0

Which of the following diseases is a symbol of success of vaccination drive as it is eradicated from most parts of the world?

A
Tuberculosis

B
Hepatitis

C
Cholera

D
Smallpox

Solution

A worldwide vaccination campaign by WHO against smallpox has lead to its eradication from most parts of the world.
Question 3
1 / -0

Which of the following is not a communicable disease?

A
Mumps

B
Tuberculosis

C
Measles

D
Cancer

Solution

Cancer is not a communicable disease. Tumour is produced by irregular and excessive multiplication of cells. The genes responsible for this are called oncogenes.
Question 4
1 / -0

Which of the following fungi is widely used in the field of medicine?

A
Penicillium

B
Yeast

C
Agaricus

D
Rhizopus

Solution

Penicillium notatum is used to produce penicillin. It was the first antibiotic produced by Alexander Fleming.

Question 5

1 / -0

Match the following:

A	B
(i) Protozoans	(a) Cause athlete's foot
(ii) Viruses	(b) Cause hepatitis A
(iii) Yeast	(c) Cause malaria
(iv) Rhizobium	(d) Nitrogen fixation
	(e) Fermentation

(i) - (e), (ii) - (c), (iii) - (d), (iv) - (a)

(i) - (b), (ii) - (c), (iii) - (e), (iv) - (d)

(i) - (c), (ii) - (b), (iii) - (e), (iv) - (d)

(i) - (c), (ii) - (b), (iii) - (d), (iv) - (e)

Solution

Protozoans → Cause malaria
Viruses → Cause hepatitis A
Yeast → Fermentation
Rhizobium → Nitrogen fixation

Question 6
1 / -0

Ria is suffering from a disease caused by a virus. She is kept in complete isolation so that others do not get infected. Her personal belongings are kept away from those of the others. The doctor says everyone should get vaccinated for preventing this disease during childhood. Which disease is Ria suffering from?

A
Cholera

B
Typhoid

C
Tuberculosis

D
Chicken pox

Solution

Chicken pox is caused by a virus and transmitted through air and on direct contact with the patient. The patient and his/her belongings are advised to be kept away from others. It can be prevented by vaccination.
Question 7
1 / -0

Which of the following diseases spreads through water?

A
Common cold

B
Chicken pox

C
Cholera

D
Malaria

Solution

Cholera is a water-borne disease.
Question 8
1 / -0

Which of the following treatments prevents the spoilage of milk?

A
Fermentation

B
Pasteurisation

C
Addition of sugar

D
Addition of salt

Solution

Pasteurisation prevents the spoilage of milk. It is the process of removing harmful pathogens from various types of food.
Question 9
1 / -0

Which of the following causes rust disease in wheat?

A
Bacterium

B
Virus

C
Protozoan

D
Fungus

Solution

Fungus is responsible for rust disease in wheat.
Question 10
1 / -0

In which industry is yeast grown on natural sugars present in grains like barley, wheat and rice, and crushed fruit juice?

A
Wine industry

B
Baking industry

C
Soft drink industry

D
Fast food industry

Solution

Yeast is grown on natural sugars present in grains like barley, wheat and rice, and crushed fruit juice in the wine industry.

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Re-Attempt Weekly Quiz Competition

Micro-organisms Test - 3

Result

Micro-organisms Test - 3

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SHARING IS CARING

Question 1

Bacteria

Fungi

Protozoa

Viruses

Solution

Question 2

Tuberculosis

Hepatitis

Cholera

Smallpox

Solution

Question 3

Mumps

Tuberculosis

Measles

Cancer

Solution

Question 4

Penicillium

Yeast

Agaricus

Rhizopus

Solution

Question 5

(i) - (e), (ii) - (c), (iii) - (d), (iv) - (a)

(i) - (b), (ii) - (c), (iii) - (e), (iv) - (d)

(i) - (c), (ii) - (b), (iii) - (e), (iv) - (d)

(i) - (c), (ii) - (b), (iii) - (d), (iv) - (e)

Solution

Question 6

Cholera

Typhoid

Tuberculosis

Chicken pox

Solution

Question 7

Common cold

Chicken pox

Cholera

Malaria

Solution

Question 8

Fermentation

Pasteurisation

Addition of sugar

Addition of salt

Solution

Question 9

Bacterium

Virus

Protozoan

Fungus

Solution

Question 10

Wine industry

Baking industry

Soft drink industry

Fast food industry

Solution

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