3141: Which of the following is/are the possible consequence/s of heavy sand mining in riverbeds ?
1. Decreased salinity in the river
2. Pollution of groundwater
3. Lowering of the water-table
Select the correct answer using the code given below :
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1 ,2 and 3
3142: Which of the following are envisaged by the Right against Exploitation in the Constitution of India?
1. Prohibition of traffic in human beings and forced labour
2. Abolition of untouchability
3. Protection of the interests of minorities
4. Prohibition of employment of children in factories and mines
Select the correct answer using the code given below:
(a) 1, 2 and 4 only
(b) 2, 3 and 4 only
(c) 1 and 4 only
(d) 1, 2, 3 and 4
3143: Guinea pigs used in medical research are:
(a) Rodents
(b) Black swine
(c) Stocky and brown in colour
(d) Found in Asia only
3144: Which important event immediately preceded Jallianwala Bagh massacre?
(a) Rowlatt Act enactment
(b) Communal award
(c) Coming of Simon Commission
(d) Quit India Movement
3145: The record for the highest score in an innings in Test Cricket is now being held by Brian Lara. Immediately prior to him, the three record holders were:
(a) Don Bradman, Sunil Gavaskar and Colin Cowdrey
(b) Len Hutton, Peter May and Vivian Richards
(c) Hayden, Lara, Sobers
(d) Bob Cowper, Bill Lawry and Brian Lara