2816: Who of the following founded the Ahmedabad Textile labour Association?
(a) Sardar Vallabhbhai Patel
(b) J. B. Kripalani
(c) Mahatma Gandhi
(d) N. M. Joshi
2817: The Anarchical and Revolutionary Crime Act (1919) was popularly known as the:
(a) Rowlatt Act
(b) Pitt's India Act
(c) Indian Arms Act
(d) Ilbert Bill
2818: Within biological communities, some species are important in determining the ability of a large number of other species to persist in the community. Such species are called
(a) Keystone species
(b) Allopatric species
(c) Sympatric species
(d) Threatened species
2819: Ergotism is due to consumption of
(a) contaminated grains
(b) rotting vegetables
(c) contaminated water
(d) stale cooked food
2820: Which one of the following does not contain silver?
(a) German silver
(b) Lunar caustic
(c) Horn Silver
(d) Ruby silver