9. Economic importance of bacteria and fungi

Question 1

What are bacteria?

Answer 1

Pg 83

Question 2

What is the size of bateria and what are its types?

Answer 2

Pg 83

Question 3

Write about the structure of bateria.

Answer 3

Pg 84

Question 4

How does bateria reproduce?

Answer 4

Pg 84,85

Question 5

What is the mode of nutritution of bateria?

Answer 5

Pg 84

Question 6

What are antibiotics? Which was the first produced antibiotic? Write about it.

Answer 6

Pg 85

Question 7

What is the source of the antibiotic streptomycin?

Answer 7

Pg 85

Question 8

What is the criteria of a good antibiotic and what are its uses?

Answer 8

Pg 86

Question 9

Define Serum, Toxin, Antitoxin.

Answer 9

Pg 86

Question 10

How is Serum made?

Answer 10

Pg 86

Question 11

What is Vaccine and Vaccination?

Answer 11

Pg 86

Question 12

Which bateria converts free nitrogen of the soil to ammonia in presence of hydrogen(which intern gets converted to amino acids and nitrates, enriching the soil)?

Answer 12

Pg 87

Question 13

How does bacteria convert free nitrogen into useable nitrates for the plants?

Answer 13

Pg 87

Question 14

Write about decay and putrifaction.

Answer 14

Pg 87, 88

Question 15

What is botulism?

Answer 15

Pg 88

Question 16

What is the role of bacteria in industry?

Answer 16

Pg 88

Question 17

How can we preserve food with the help of bateria?

Answer 17

Pg 88

Question 18

What are the baterial diseases in plants and animals?

Answer 18

Pg 89