26 Questions
What is the purpose of the toxoids in the vaccines?
To stimulate the production of antibodies
What is the role of nitrogen-fixing bacteria in the soil?
To convert atmospheric nitrogen into amino acids
What is the main difference between BCG and TAB vaccines?
One is used for tuberculosis and the other for typhoid
What is the limitation of plants in terms of nitrogen?
They cannot make use of nitrogen in the atmosphere
What is the name of the bacteria that lives in small nodules on the roots of legume plants?
Special category of soil bacteria
What is the cellular structure of bacteria?
Prokaryotic
What can some bacteria obtain from animal wastes?
Nitrates
What is the process by which some bacteria obtain nitrates?
Abson
What is the economic importance of bacteria?
They are used in food production
What is the general characteristic of bacteria?
They are found everywhere
What type of organisms are referred to in the passage?
F bacteria
Where do some bacteria obtain nitrates from?
Wastes of animals
What is unique about the cell structure of bacteria?
They are single-valved
What is the general classification of bacteria?
Prokaryotes
What is the study of the biology of these organisms called?
CUNCTII BIOLOGY
What is the role of high concentration of sugar and salt in jams and pickles?
To prevent spoilage
What is the purpose of adding preservatives like sodium benzoate to tinned foods and squashes?
To prevent spoilage
What is the name of the disease caused by the bacterium Bacillus anthracis?
Anthrax
What is the name of the bacterial disease that affects the lungs of cattle?
Bovine tuberculosis
What is the shape of the bacterium Vibrio?
Comma-shaped
What are bioweapons capable of doing?
Causing widespread death
What method is used to preserve vegetables and fruits?
Chilling in cold storage
What is the primary characteristic of bacteria?
They are variously shaped
What is the purpose of adding bacteria to certain foods?
To prevent spoilage
What is the effect of bacteria on certain animals?
They can be both beneficial and harmful
What is the purpose of antibiotics in the treatment of bacterial diseases?
To kill bacteria
This quiz covers the basics of bacteria, including their economic importance, characteristics, and general facts. Test your knowledge of these microorganisms!
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