Question

D. Answer the following questions in brief.
1. Why are viruses considered as being at the borderline bere
non-living things?
being at the borderline' between living and
2. What is fermentation? How is this process useful in the food and
industries?
3.
In the absence of microorganisms the earth would become a heap of dead
plants and animals. Justify this statement.
Munna observes that the yield of wheat, growing in his field, has reduced
in the current year. He gets the soil tested and the report confirms the
deficiency of one particular nutrient. Accordingly, he is advised to grow
peas after harvesting wheat.
rese
(1) Name the nutrient found insufficient.
(ii) How do you think growing peas will help in replenishing the soil?
5. Why does it take less time to prepare curd in summers as compared to
preparing it in winters?
6. How are the following diseases transmitted:
(a) Malaria (b) Common cold (c) Tetanus (d) Typhoid
7. What are antibiotics? How are they produced? Give two examples of these.
be following questions​

Answer 1

Answer:

for the first questions the viruses are considerd as borderlines as they are neutral in the air but whwn they come in contact with a livinghost they get activated