10 Questions
What is the purpose of injecting vaccines into the body?
To stimulate the body to produce antitoxins and provide immunity against future attacks of the disease germs.
What are toxoids?
Inactivated toxins of particular bacteria that can still stimulate the production of antibodies.
What is the BCG vaccine for?
Living weakened bacteria tuberculosis.
Name two common vaccines obtained by growing bacteria.
Sprioid A & B vaccine, TAB vaccine for typhoid.
What is the function of nitrogen-fixing bacteria found in leguminous plants?
To convert atmospheric nitrogen into a form usable by plants.
How do vaccines help in providing immunity?
By stimulating the body to produce antitoxins.
Explain the role of nitrates in plants.
Nitrates are essential for plant growth and development.
What is the source of soluble nitrates for host plants?
Bacteria in the soil.
How do toxoids help in providing immunity?
By stimulating the production of antibodies.
Explain the concept of free nitrogen in the atmosphere.
Free nitrogen is present in the atmosphere and can be fixed by certain bacteria into a usable form for plants.
Test your knowledge on well-known antibiotics and their sources, as well as the diseases they treat. Explore the criteria for a good antibiotic and understand the importance of these microbial agents in combating various diseases.
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