2571: Most of the explosions in mines occur due to the mixing of
(a) hydrogen with oxygen
(b) oxygen with acetylene
(c) methane with air
(d) carbon dioxide with ethane
2572: Consider the following statements:
1. Femur is the longest bone in the human body.
2. Cholera is a disease caused by bacteria.
3. Athlete's foot's is a disease caused by virus.
Which of the statements given above are correct?
(a) 1 and 2
(b) 2 and 3
(c) 1 and 3
(d) 1, 2 and 3
2573: A consumer is said to be in equilibrium, if
(a) he is able to fulfil his need with a given level of income
(b) he is able to live in full comforts with a given level of income
(c) he can fulfil his needs without consumption of certain items
(d) he is able to locate new sources of income
2574: Which one of the following edicts mentions the personal name of Asoka ?
(a) Kalsi
(b) Rummindei
(c) Special Kalinga Edict
(d) Maski
2575: The Indus Valley people had contacts with:
(a) Egyptians
(b) Sumerians
(c) Chinese
(d) Mesopotamians