11: In which one of the following States are Namchik Namphuk Coalfields located?
(a) Manipur
(b) Mizoram
(c) Meghalaya
(d) Arunachal Pradesh
12: Ultrafiltering units of kidney are known as:
(a) Nephron
(b) Glomerulus
(c) Vena Cava
(d) Tubule
13: In which part of India do tea and coffee plantations overlap?
(a) South India
(b) East India
(c) South East India
(d) South West India
14: Consider the following statements:
1. Ocean currents are the slow-surface movement of water in the ocean.
2. Ocean currents assist in maintaining the Earth's heat balance.
3. Ocean currents are set in motion primarily by prevailing winds.
4. Ocean currents are affected by the configuration of the ocean.
Which of these statements are correct?
(a) 1 and 2
(b) 2, 3 and 4
(c) 1, 3 and 4
(d) 1, 2, 3 and 4
15: When ten persons shake hands with one another, in how many ways is it possible ?
(A) 45
(B) 20
(C) 25
(D) 40