Microorganisms Friend And Foe Test

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Microorganisms Friend And Foe Test - 27

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Weekly Quiz Competition

Question 1
1 / -0

Foot and mouth disease of cattle is caused by a:

A
Virus

B
Bacterium

C
Fungus

D
Protozoan

Solution

Foot and mouth disease (FMD) is a severe, highly contagious viral disease of cattle and swine. It also affects sheep, goats, deer and other cloven-hooved ruminants.
So, the correct answer is option A.
Question 2
1 / -0

Anthrax is a .......... disease.

A
Fungal

B
Bacterial

C
Viral

D
All of the above

Solution

Anthrax is caused by the bacterium Bacillus anthracis. It mainly spreads from the spores of bacteria. Swelling in the body and reduced milk in cattle's are seen. It is also used as bio-weapon.
So, the correct answer is option B.
Question 3
1 / -0

Raw vegetable grown using sewage water is also responsible for spread of typhoid.

A
True

B
False

C
Ambiguous

D
Data insufficient

Solution

Typhoid is caused due to salmonella typhi. This is been transmitted from and infected patient to healthy individual through faecal oral route. Contaminated food and water leads to transmission for disease.
Question 4
1 / -0

Name the bacteria used in dairy industry.

A
Lactobacillus

B
Bacillus thuringiensis

C
E.coli

D
Both A and B
Solution
The answer is A.
Lactobacillus bacteria are used in the dairy industry as these help in fermentation mainly by producing lactic acid and decreasing the pH of milk which causes curdling of milk.
Bacillus thuringiensis is mainly used as a biopesticide in agriculture.
E.coli is found in gut microflora.
Question 5
1 / -0

The symptoms of food poisoning begin within .......... of eating contaminated food.

A
10 days

B
1-2 days

C
15 days

D
7 days

Solution

Food poisoning is the infection caused by the ingestion of food contaminated with bacteria or bacterial infection. Symptoms of food poisoning begin within 1 to 2 days of eating contaminated food. The symptoms are vomiting, nausea, severe pain in the abdominal region, diarrhoea and dehydration. It may also cause weakness, fatigue and damage to the nervous system.
Thus, the correct answer is option B.
Question 6
1 / -0

What causes communicable diseases?

A
Spoiled food item

B
Unsanitary conditions

C
Pathogens

D
Dirty objects

Solution

Explanation: Communicable diseases are caused by pathogens passed from one organism to another. Pathogens are disease-causing organisms. Pathogenic organisms are of five main types: viruses, bacteria, fungi, protozoa, and worms.
Hence the correct option is C.
Question 7
1 / -0

__________ are classified as microorganisms.

A
Insects

B
Fungi

C
Bacteria

D
Both B and C

Solution

Microorganisms are classified into four major groups. These groups are bacteria, fungi, protozoa and some algae. Hence the correct answer is option D.
Question 8
1 / -0

Which of the following pairs of microorganisms and diseases is wrongly matched?

A
Bacteria - Malaria

B
Fungus - Athlete's foot

C
Protozoa - Sleeping sickness

D
Virus - Tobacco mosaic disease

Solution

The causative agent for malaria is a parasitic protozoan Plasmodium.
The athlete's foot caused by a fungus is Tinea pedis.
Trypanosoma brucei is a species of salivary trypanosome which causes sleeping sickness.
Tobacco mosaic virus causes tobacco mosaic disease in the tobacco plant.
Thus, the correct answer is option A.
Question 9
1 / -0

How are microorganisms useful to us?

A
They are involved in production of chemical fertilizers.

B
They are used in production of fireworks.

C
They are used in production of soft drinks.

D
They are involved in production of antibiotics.

Solution

The antibiotics are the chemical compounds which is produced by one organism which inhibit the growth of the other organism. The antibiotics can be used for the control of the growth of the bacteria or organisms causing infections. The microorganisms like the bacterial and fungal species are used for the production of the antibiotics which can be used for the control of other microorganisms.
Thus, the correct answer is option D.
Question 10
1 / -0

Which of the following organism can be observed in the smear of pond water?

A
Fungi

B
Bacteria

C
Protozoa

D
Virus

E
Both B and C

Solution

The pond water may contain different types of microbes. The two common microorganisms which can be seen in the sample of the pond water are bacteria and protozoans. There are different shapes and types of bacterial cells which can be observed under the microscope. There are different forms of unicellular protozoans like the Amoeba, Paramecium, and other ciliates. The pond water is the major source of protozoans.
Thus, the correct answer is option E.

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Re-Attempt Weekly Quiz Competition

Microorganisms Friend And Foe Test - 27

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Microorganisms Friend And Foe Test - 27

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SHARING IS CARING

Question 1

Virus

Bacterium

Fungus

Protozoan

Solution

Question 2

Fungal

Bacterial

Viral

All of the above

Solution

Question 3

True

False

Ambiguous

Data insufficient

Solution

Question 4

Lactobacillus

Bacillus thuringiensis

E.coli

Both A and B

Solution

Question 5

10 days

1-2 days

15 days

7 days

Solution

Question 6

Spoiled food item

Unsanitary conditions

Pathogens

Dirty objects

Solution

Question 7

Insects

Fungi

Bacteria

Both B and C

Solution

Question 8

Bacteria - Malaria

Fungus - Athlete's foot

Protozoa - Sleeping sickness

Virus - Tobacco mosaic disease

Solution

Question 9

They are involved in production of chemical fertilizers.

They are used in production of fireworks.

They are used in production of soft drinks.

They are involved in production of antibiotics.

Solution

Question 10

Fungi

Bacteria

Protozoa

Virus

Both B and C

Solution

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