Question : It is not the official language of the United Nations:

Option 1: Portuguese

Option 2: Arabic

Option 3: Spanish

Option 4: Russian

Question : What is speed?

Option 1: It is the distance covered by an object in a unit of time

Option 2: It is the velocity of an object per unit time

Option 3: It is the force applied on covering a unit distance

Option 4: It is the acceleration of an object per unit time

Question : Surface water is a better source of drinking water because it is poor in

Option 1: Dust

Option 2: Bacteria

Option 3: Arsenic

Option 4: Algae

Question : The Mahabodhi Temple is an ancient Buddhist temple. It is situated in which state of India?

Option 1: Rajasthan

Option 2: Uttar Pradesh

Option 3: Kerala

Option 4: Bihar

Question : Water cannot be used to extinguish fire caused by electric current, because:

Option 1: it may cause electrocution

Option 2: it may cause hydrolysis

Option 3: it may cause electrolysis

Option 4: it may spoil the wiring