1721: Which of the following presents the most significant features of Indus Valley Civilisation?
(a) Buildings with perfect arches
(b) Use of burnt mud bricks
(c) Use of sun dried mud bricks
(d) None of these
1722: The Function of heavy water in a nuclear reactor is to
(a) Stop the nuclear reaction
(b) Slow down the speed of neutrons
(c) Cool down the reactor
(d) Increase the speed of neutrons
1723: Sound waves travel at 300 m/s. Sound produced at a point is heard by a person after 5 seconds while the same sound is heard by another person after 6 seconds. What could be the maximum and minimum distances between the two persons?
(a) 1.8 km, 0.15 km
(b) 2.2 km, 0.20 km
(c) 2.8 km, 0.25 km
(d) 3.3 km 0.3 km
1724: The Minimum Alternative Tax (MAT) was introduced in the Budget of the Government of India for the year
(a) 1991-92
(b) 1992-93
(c) 1995-96
(d) 1996-97
1725: Consider the following pairs:
Famous place:
1. Pandharpur
2. Tiruchirappalli
3. Hampi
River:
1. Chandrabhaga
2. Cauvery
3. Malaprabha
Which of the pairs given above are correctly matched?
(a) 1 and 2 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3