Which of the following is considered under the head of "Primary sector"?

Mining and Quarrying

Generally, we divide all economic activities into eight different industrial divisions. They are

1.  Agriculture
2.  Mining and Quarrying
3.  Manufacturing
4.  Electricity, Gas and Water Supply
5.  Construction
6.  Trade
7.  Transport and Storage
8.  Services

For simplicity, all the working persons engaged in these divisions can be clubbed into three major sectors viz., (a) primary sector which includes (i) and (ii), (b) secondary sector which includes (iii), (iv) and (v) and (c) service sector which includes divisions (vi), (vii) and (viii)