Microbes MCQs and Answers

Are you looking for Microbes MCQs and Answers for medical entrance examinations? If yes, these are some most important multiple choice questions and answers on NCERT Class-12 Biology, Chapter-10 (Microbes in Human Welfare).

Here we composed these Microbes MCQs and Answers after reading the chapter on Microbes in Human Welfare from the NCERT book on Class 12 Biology. The questions are topics-wise and the students can relate the questions easily to the most important topics of this chapter.

Microbes MCQs and Answers

1. What is the average size of a microbe?

a) Less than 1 mm

b) More than 1 cm

c) Less than 0.1 mm

d) More than 0.1 mm

Answer: c


2. Which of the following is not related to microbes?

a) Microbes are not ideal for biotechnology

b) Microbes produce chemicals during their metabolism

c) Microbes can be grown on artificial medium

d) Microbes can live in highly acidic medium

Answer: a


3. Which of the following is not microbe?

a) Bacteria

b) Protozoa

c) Viroids

d) Worms

Answer: d


4. Adenoviruses cause _________

a) Respiratory infections

b) Gastric problems

c) Intestinal perforation

d) Heart attack

Answer: a


FAQs on Microbes

Q1. What are microbes?

Answer: Microbes are tiny organisms that can only be seen with a microscope. They include bacteria, fungi, and protozoa. Some microbes can cause disease, but most are harmless or even helpful to humans.

Q2. How do microbes cause disease?

Answer: Some microbes release toxins that can damage tissues and make people sick. Others invade tissues and damage them directly. Still, others interfere with the body’s normal function, causing disease.

Q3. How do I know if I have a microbial infection?

Answer: Most microbial infections can be diagnosed by a doctor based on your symptoms. sometimes, a laboratory test may be needed to confirm the diagnosis.

Q4. How can I prevent microbial infections?

Answer: The best way to prevent microbial infections is to practice good hygiene, such as washing your hands often and avoiding contact with contaminated objects. You should also avoid sharing personal items, such as toothbrushes and towels. Vaccines can also help protect you from some types of microbial infections.

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