H. Answer the following questions in detail.
1. Explain the principle behind vaccination.
2. How do diseases spread? Explain with any two examples.
3. Describe the nitrogen cycle.
4. Write a short note on agricultural uses of microorganisms.
5. How do these methods help to preserve food?
a. heating b. sun drying
c. canning d. adding chemical preservatives
Answers
Answered by
0
Answer:
1. Vaccines contains antigens that stimulate the immune system to produce an immune response that is often similar to that produced by the natural infection.
Explanation:
with vaccination however the recipient is not subjected to the disease and it's potential complications.
Answered by
1
Explanation:
1.(ANSWER)
THE MAIN PRINCIPAL OF VACCINATION IS THE PROTECTIVE INDUCATION OF A PROTECTIVE IMMUNE RESPONSE BY MIMICKING THE NATURAL PATHOGEN ( BACTERIA, VIRUSES, ETC) WITH THE HUMAN IMMUNE SYSTEM.
2.(ANSWER)
INFECTIOUS are transmitted from person to person direct or indirect contact CERTAIN TYPES OF VIRUSES, bacteria, PARASITES AND FUNGI CAN ALL COUSE INFECTIOUS DISEASES, MALARIA, MEASLES, AND RESPERATORY ILLNESSES ARE EXAMPLES OF INFECTIOUS DISEASES.
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