Harmful Microorganisms
Harmful Microorganisms: Overview
This topic covers concepts, such as, Microbial Diseases, Pathogens, Control and Prevention of Mosquito Breeding & Anthrax etc.
Important Questions on Harmful Microorganisms
Dysentery is a bacterial disease.

Give the scientific name of the causative agent of dysentery.

Name the causative microorganism of animal disease Anthrax?

Several microorganisms cause diseases in plants and reduce yield. Which of the following plant diseases is incorrectly matched with its causal microorganism?

Hepatitis A is caused by a bacterium.

List few symptoms of hepatitis A.

Which among the following is the causative agent of hepatitis A?

A virus causes a very dangerous disease called AIDS (Acquired Immune Deficiency Syndrome). Find out what happens to a person suffering from this disease.

Food gets decayed mainly due to the _____ (decomposition/reproduction) activities of bacteria, fungi, etc.

Aspergillosis is caused by fungi or a virus.

Unscramble the given word to make meaningful word:
OMBCMUNCAEIL

Based on the ‘types of diseases’, select the odd one out;

Usha’s grandfather has diabetes. Usha thinks that if she touches her grandfather she may also get infected with the disease. Is this true?

State True or False:
Diseases like diabetes, hypertension and cancer can spread through direct contact with the person suffering from these diseases.

Choose the correct option.

This diagram shows how dengue virus infect a person. What type of disease is dengue?

Identify the odd one out from the following, based on the micro-organism that cause it.

An isolation ward in a hospital is a ward to treat some patients separately. What kind of disease are these patients likely to suffer from?

Who discovered the bacteria Bacillus Anthracis?

Identify the diseases caused by Protozoans.
