686: Under which Article of the Indian Constitution did the President give his assent to the ordinance on electoral reforms when it was sent back to him by the Union Cabinet without making any changes (in the year 2002) ?
(a) Article 121
(b) Article 122
(c) Article 123
(d) Article 124
687: Assertion (A):
Gandhi stopped the Non-Co-operation Movement in 1922.
Reason (R):
Violence at Chauri-Chaura led him to stop the movement.
(a) Both A and R are true, and R is the correct explanation of A
(b) Both A and R are true, but R is NOT a correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
688: Which one of the following figures will generate a cone when rotated about one of its straight edges ?
(a) An equilateral triangle
(b) A sector of a circle
(c) A segment of a circle
(d) A right-angled triangle
689: 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
690: Four resolutions were passed at the famous Calcutta session of Indian National Congress in 1906. The question of either retention OR of rejection of these four resolutions became the cause of a split in Congress at the next Congress session held in Surat in 1907. Which one of the following was not one of those resolutions ?
(a) Annulment of partition of Bengal
(b) Boycott
(c) National education
(d) Swadeshi