Microorganisms Test

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Microorganisms Test - 1

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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 microbes reproduce only inside the body of the host organism?

A
Bacteria

B
Viruses

C
Protozoa

D
Fungi

Solution

Viruses reproduce only inside the body of the host organism.
Question 3
1 / -0

Which of the following microorganisms is/are used in the baking industry for making breads?

A
Algae

B
Fungi

C
Yeast

D
Moulds

Solution

Yeast is used in the baking industry for making breads.
Question 4
1 / -0

Ramesh went to a hospital as he was not feeling well. His reports showed that he was suffering from a bacterial disease. Which of the following diseases is he suffering from?

A
Malaria

B
Polio

C
Chicken pox

D
Tuberculosis

Solution

Tuberculosis is caused by a bacteria, and is transmitted through air. Malaria is caused by a protozoan through a mosquito bite. Chicken pox, polio and cholera are caused by viruses.
Question 5
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 6
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 7
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 8
1 / -0

A farmer wants to improve the nitrogen content of the soil in his fields. Which of the following microorganisms can be helpful to him?

A
Aspergillus

B
Blue-green algae

C
Yeast

D
Lactobacillus

Solution

Blue-green algae are able to fix nitrogen from the atmosphere and enrich the soil with nitrogen.

Question 9

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 10
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 11
1 / -0

Which of the following diseases is a communicable disease?

A
Diabetes

B
Hypertension

C
Kwashiorkor

D
Measles

Solution

Measles is a communicable disease.
Question 12
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 13
1 / -0

Which of the following is a bacterial disease of plants?

A
Citrus canker

B
Rust of wheat

C
Yellow vein mosaic of okra

D
Black root rot of cotton

Solution

Citrus canker is a bacterial disease of plants.

Question 14

1 / -0

Match the following food products with their preservation techniques and choose the correct option.

1. Milk	(i) Air-tight packets
2. Pickle	(ii) Oils and vinegar
3. Dry fruits	(iii) Refrigeration
4. Cooked food	(iv) Pasteurisation

1 - (iv), 2 - (ii), 3 - (i), 4 - (iii)

1 - (iii), 2 - (i), 3 - (iv), 4 - (ii)

1 - (i), 2 - (iii), 3 - (ii), 4 - (iv)

1 - (iii), 2 - (ii), 3 - (i), 4 - (iv)

Solution

1. Milk	(iv) Pasteurisation
2. Pickle	(ii) Oils and vinegar
3. Dry fruits	(i) Air-tight packets
4. Cooked food	(iii) Refrigeration

Question 15
1 / -0

Which of the following acts as a carrier of dengue?

A
Female Anopheles mosquito

B
Tse-tse fly

C
Wuchereria

D
Female Aedes mosquito

Solution

Female Aedes aegypti become dengue vectors after feeding on the blood of a person infected with the dengue virus. Infected mosquitoes continue to transmit dengue with each blood meal for the rest of their lives. Aedes aegypti have a complex life cycle that includes aquatic and terrestrial stages.

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Microorganisms Test - 1

Result

Microorganisms Test - 1

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SHARING IS CARING

Question 1

Bacteria

Fungi

Protozoa

Viruses

Solution

Question 2

Bacteria

Viruses

Protozoa

Fungi

Solution

Question 3

Algae

Fungi

Yeast

Moulds

Solution

Question 4

Malaria

Polio

Chicken pox

Tuberculosis

Solution

Question 5

Penicillium

Yeast

Agaricus

Rhizopus

Solution

Question 6

Mumps

Tuberculosis

Measles

Cancer

Solution

Question 7

Tuberculosis

Hepatitis

Cholera

Smallpox

Solution

Question 8

Aspergillus

Blue-green algae

Yeast

Lactobacillus

Solution

Question 9

(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 10

Cholera

Typhoid

Tuberculosis

Chicken pox

Solution

Question 11

Diabetes

Hypertension

Kwashiorkor

Measles

Solution

Question 12

Common cold

Chicken pox

Cholera

Malaria

Solution