6: Which one of the following crops enriches the nitrogen content in soil ?
(a) Potato
(b) Sorghum
(c) Sunflower
(d) Pea
7: With reference to Indian history, who among the following is a future Buddha, yet to come to save the world?
(a) Avalokiteshvara
(b) Lokesvara
(c) Maitreya
(d) Padmapani
8: With reference to ancient Jainism, which one of the following statements is correct?
(a) Jainism was spread in South India under the leadership of Sthalabahu.
(b) The Jainas who remained under the leadership of Bhadrabahu were called Shvetambaras after the Council held at Pataliputra.
(c) Jainism enjoyed the patronage of the Kalinga king Kharavela in the first century BC.
(d) In the initial stage of Jainism, the Jainas worshipped images unlike Buddhists.
9: Which one of the following was used as a chemical weapon in the First World War?
(a) Carbon monoxide
(b) Hydrogen cyanide
(c) Mustard gas
(d) Water gas
10: The working principle of a washing machine is
(a) centrifugation
(b) dialysis
(c) reverse osmosis
(d) diffusion