421: Who among the following was not associated with the formation of U. P. Kisan Sabha in February 1918?
(a) Jawharlal Nehru
(b) Gauri Shankar Misra
(c) Madan Mohan Malviya
(d) Indra Narain Dwivedi
422: Amongst the following Indian States which one has the minimum total forest cover?
(a) Sikkim
(b) Goa
(c) Haryana
(d) Kerala
423: 'Water flows through a pipeline at a steady rate. At a point on the pipeline, water is withdrawn continuously through a branch line'.
Consider the following statements in this regard.
1. Pipe line beyond the branch line will not be full.
2. Flow velocity in the main line will be less after the branch line than before it.
3. Flow velocity in the main line beyond the branch line will become unsteady.
Of these statements
(a) 1 is true
(b) 2 is true
(c) 3 is true
(d) None is true
424: Ergotism is due to consumption of
(a) contaminated grains
(b) rotting vegetables
(c) contaminated water
(d) stale cooked food
425: Assertion (A) :
Synthetic detergents can lather well in hard water.
Reason (R) :
Synthetic detergents form soluble calcium and magnesium salts with hard water.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually 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