18 Questions
What distinguishes viruses from other microorganisms?
They reproduce inside the cells of the host organism
Which of the following ailments are commonly caused by viruses?
Cold and influenza
Which group of microorganisms are responsible for causing typhoid and tuberculosis?
Bacteria
In which process are microorganisms used to increase soil fertility by fixing nitrogen?
Agriculture
Which microorganism group is responsible for causing diseases like dysentery and malaria?
Bacteria
What type of microorganism is used in the preparation of curd, bread, and cake?
Bacteria
Which of the following are classified as microorganisms?
Fungi
What type of microorganism is responsible for spoiling moist bread?
Bacteria
Which of the following is NOT classified as a microorganism?
Trees
Which group of microorganisms includes organisms that can be seen with a magnifying glass?
Fungi
What type of microorganism can be observed moving around in a drop of pond water under a microscope?
Protozoa
Which group of microorganisms cannot be seen without the help of a microscope?
Bacteria
What is the mode of transmission of tuberculosis?
Air
Which disease is caused by a protozoa?
Malaria
How can typhoid be prevented?
Drink boiled drinking water
Which microorganism causes anthrax?
Bacteria
What preventive measure is effective against malaria?
Use mosquito net and repellents
How is polio primarily transmitted?
Air
Learn about microorganisms, also known as microbes, which are living organisms that are normally not visible to the naked eye. Explore the characteristics of microorganisms and their roles in nature, including examples like spoilt bread covered with greyish white patches.
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