Question

5. Answer the following questions-

a) List three differences between antibodies and antibiotics.

b) Why does sugar solution with yeast powder become alcoholic in taste?

c) Give two uses of microorganisms in following area-

i) Food industry ii) Medicinal use iii) Environmental related

d) What is vaccination?

e) How can we control disease caused by mosquitoes?

f) Name any five antibiotics obtained from microbes.

g) Explain why plastic finds such a variety of uses.

h) Disposal of plastic is a major problem. Why?

i) List at least six ways by which we can reduce the use of plastic materials.

j) Differentiate between bio-degradable and non-bio-degradable substances.

k) What is crop rotation?

l) Why organic manure is considered better than chemical fertilizer?

m) What precautions should be taken while storing harvested grains?

n) List two major benefits of using drip-irrigation technique.​

Answer 1

Answer:

Answer the following questions-

First Question Answer part a