Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Knowledge Geography (World Geography) World Economic and Human Geography
Which of the following industries is called the backbone of modern industries?
1
Iron and steel industry
2
Cotton textile industry
3
Chemical industry
4
More than one of the above
5
None of the above