1121: Indian cotton merchant, banker, Congressman and a close associate of Mahatma Gandhi'. This description fits
(a) G.D. Birla
(b) M.R. Jayakar
(c) Jamnalal Bajaj
(d) V.S. Srinivasa Sastri
1122: The escape velocity from the earth's surface is about:
(a) 30 km/sec
(b) 6 km/sec
(c) 11.2 km/sec
(d) 300 km/sec
1123: The Congress ministries resigned in the seven provinces in 1939, because
(a) the Congress could not form ministries in the other four provinces
(b) emergence of a left wing in the Congress made the working of the ministries impossible
(c) there were widespread communal disturbances in their provinces
(d) None of the statements (a), (b) and (c) given above is correct
1124: Due to improper/indiscriminate disposal of old and used computers or their parts, which of the following are released into the environment as e-waste?
1. Beryllium
2. Cadmium
3. Chromium
4. Heptachlor
5. Mercury
6. Lead
7. Plutonium
Select the correct answer using codes given below.
(a) 1, 2, 3, 5 and 6 only
(b) 2, 4, 5 and 7 only
(c) 1, 3, 4, 6 and 7 only
(d) 1, 2, 3, 4, 5, 6 and 7
1125: Cryogenic engines find applications in
(a) sub-marine propulsion
(b) frost-free refrigerators
(c) rocket technology
(d) researches in superconductivity