Question

Some beneficial and harmful effects of bacteria are given below. Write (B)
for BENEFICIAL and (H) for HARMFUL.

a) Leprosy - Beneficial / Harmful
b) Ring rot of potato - Beneficial / Harmful
c) Recyciling of waste - Beneficial / Harmful
d) Tuberculosis in man - Beneficial / Harmful
e) Tanning of leather - Beneficial / Harmful
f) Wilt of tomato - Beneficial / Harmful
g) Processing of tea - Beneficial / Harmful


TNSCERT Class 7 General Science Ch4 Basis of Classification

Answer 1

a)H
b)B
c)B
d)H
e)B
f)H
g)B