391: Which one of the following is the most fundamental difference between Mahayana Buddhism and Hinayana Buddhism ?
(a) Emphasis on ahimsa
(b) Casteless society
(c) Worship of gods and goddesses
(d) Worship of stupa
392: A stone is tied to a rope and attached to a wooden bar which rotates at constant angular velocity. Suddenly the bar is stopped. The stone gets encircled around the bar. What happens to the angular velocity of the stone.
(a) Increases
(b) Decreases
(c) Remains the same
(d) First increases and then decreases
393: Genetic code is made up by the four-letter alphabet forming the pairs:
(a) A--C, C--A, T--G, G--T
(b) A--G, G--A, C--A, T--C
(c) T--G, G--T, A--C, C--A
(d) A--T, T--A, C--G, G--C
394: Recently, there has been a concern over the short supply of a group of elements called 'rare earth metals'. Why?
1. China, which is the largest producer of these elements, has imposed some restrictions on their export.
2. Other than China, Australia, Canada and Chile, these elements are not found in any country.
3. Rare earth metals are essential for the manufacture of various kinds of electronic items and there is a growing demand for these elements.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
395: Which one of the following pairs is not correctly matched?
Unit of Indian Railway :Location
(a) Railway Staff College : Vadodra
(b) Central Organization for Railway Electrification :Varanasi
(c) Wheel and Axle Plant : Bangalore
(d) Rail-coach Factory :Kapurthala