Which among the following pairs of places and their related industries are correct?
1. Bengaluru-Aircraft
2. Korba-Aluminium
3. Jamshedpur-Iron & Steel
4. Maljkhand-Copper
Choose the correct option from the codes given below :

[A] 1 & 3
[B] 2 & 4
[C] 1, 3 & 4
[D] 1, 2, 3 & 4

Which among the following statements is/are correct about Pelagic Deposits?

1. The red clay is the most widely spread pelagic deposit and covers 38% of the sea floor.
2. The chief constituents of red clay are silicon and aluminium dioxide.
3. The red clay covers more than half of the Pacific floor.

Select the correct code from the options given below:

[A] Only 1 & 3
[B] Only 1
[C] Only 2 & 3
[D] 1, 2 & 3

Which among the following pairs is/are correctly matched?

1. Cocos plate – Between Central America and Pacific plate
2. Nazca plate – Between South America and Pacific plate
3. Fuji plate – North-east of Australia

Select the correct code among the options given below:

[A] Only 1 & 2
[B] Only 1
[C] 1, 2 & 3
[D] Only 2 & 3

Which among the following statements is/are correct about Salinity of ocean water?

1. Seawater density varies with temperature, degree of salinity, and depth.
2. Deep water has low density.

Select the correct code from the options given below:

[A] Only 1
[B] Only 2
[C] Both 1 & 2
[D] Neither 1 & 2