Question

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

Answer 1

Answer:

2.alcohol

b.streptomycin

c. female anopheles mosquito

d. house fly

e. growth of yeast cell

f. fermentation

Answer 2

Answer:

1 alcohol

3 ka 1

4 ka housefly

5ka growing of yeast cell

6 ka fermentation

Explanation:

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