Question

2
.
Tick the correct answer.
(a) Yeast is used in the production of
(1) sugar (1) alcohol (111) hydrochloric acid (lv) oxygen
(b) The following is an antibiotic
(1) Sodium bicarbonate (11) Streptomycin (111) Alcohol (lv) Yeast
(c) Carrier of malaria-causing protozoan is
female Anophelesmosquito (11) cockroach
(111) housefly
(iv) butterfly
(d) The most common carrier of communicable diseases is
(1) ant (11) housefly (11) dragonfly (iv) spider
(e) The bread or idlidough rises because of
(1) heat (11) grinding (11) growth of yeast cells (iv) kneading
(1)
The process of conversion of sugar into alcohol is called
(1) nitrogen fixation (11) moulding (111) fermentation (lv) infection​

Answer 1

Answer:

(a) Yeast is used in the production of

(ii) alcohol

(b) The following is an antibiotic

(iii) Streptomycin

(c) Carrier of malaria-causing protozoan is

(i) female Anopheles mosquito

(d) The most common carrier of communicable diseases is

(ii) housefly

(e) The bread or idli dough rises because of

(ii) growth of yeast cells

The process of conversion of sugar into alcohol is called

(iii) fermentation