Subject: Micro-Biology

#209

Which scientist is known for formulating Koch’s postulates?

A) Louis Pasteur

B) Robert Koch

C) Antonie van Leeuwenhoek

D) Francesco Redi

Answer:   B

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#210

What is the primary source of nutrition for saprophytes?

A) Living organisms

B) Dead organic matter

C) Water

D) Air

Answer:   B

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#211

Which of the following diseases is caused by a virus?

A) Tuberculosis

B) Cholera

C) Chicken pox

D) Malaria

Answer:   C

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#212

What is the role of nurses in maintaining a sterile field in operation theatres?

A) Diagnosing diseases

B) Ensuring a microorganism-free environment

C) Administering medications

D) Performing surgeries

Answer:   B

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#213

Which of the following is a type of vector?

A) Bacterium

B) Insect

C) Virus

D) Fungus

Answer:   B

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#214

What is the term for a substance that induces an immune response?

A) Toxin

B) Antigen

C) Pathogen

D) Antibody

Answer:   B

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#215

Which scientist is credited with discovering the process of attenuation?

A) Robert Koch

B) Louis Pasteur

C) Antonie van Leeuwenhoek

D) Edward Jenner

Answer:   B

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#216

What is the purpose of pasteurization?

A) To sterilize equipment

B) To prevent spoilage of milk and wine

C) To develop vaccines

D) To isolate bacteria

Answer:   B

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