161. A typical human ribcage consists of how many ribs?
24
162. In the Delhi Sultanate, which administrative unit called Paragana was headed by an official?
Amil
163. Which is a chemical weathering process?
Oxidation
164. Amnesty International is an organisation associated with which field?
Protection of human rights
165. What does Inflation imply?
Rise in general price index
166. Who discovered ECG (Electro Cardio Graph) ?
Willem Einthovan in 1906.
167. Who is the inventor of Penicillin?
Alexander Fleming
168. A temperature difference of 25°C is equivalent to a temperature difference of howmany F?
45° F
169. By whom was Swaraj as a national demand first made?
Dadabhai Naoroji
170. Which is not a sedimentary rock?
Marble