(1) Parts of Vehicle Pollution 

(i) Hydrocarbons 

(ii) Carbon monoxide 

(iii) Nitrogen oxide 

(iv) Sulphur dioxide 

(v) Benzene 

(vi) Formaldehyde

USA is the largest milk producer in the world.

The best and the oldest quality marble is available in Makrana, Rajasthan. It needs no chemical reinforcement like Italian marble, no colour change and loss of polish. It is saved that the Taj Mahal is built from Makrana marble. Makrana Marble is metamorphic rock. It is a single deposit in India.

Swami Vivekananda was born on 12 January. 1863 in Calcutta, West Bengal. He was the first yogi to go the Us in 1893 for the parliament of the world’s Religions in Chicago. 
(d) None of these

In 2019 cricket world cup ten teams will take part .

The increase in the production of cereals such as wheat and rice during the 1960s and 1970s because of better seed and new agriculture technologies, is called green revolution. The crop area under high yielding varities of wheat and rice grew considerably during the Green Revolution.

Normally, a virus does’t affect cortex. A cortex is the outermost layer of a stem or root in a plant or the surface layer or skin of the nonfruiting part of the body of some lichens.

Amundsen was a Norwegian explorer of polar regions. He led the Antarctic expeditions of 1910-12 which was the first to reach the south pole on 14 December, 1911. He was the first person to reach both poles.

The Eiffel Tower which was constructed during 1887-1889 is in Paris ; the capital of France. It is named after the engineer Gustave Eiffel whose company designed and built the tower. It is 32. 4 metres tall and weighs 10,100 tonnes .

India’s highest military decoration, the Param Vir Chakra is awarded for most conspicuous braver or some daring or pre-eminent act of valour or self sacrifice, in the presence of the enemy, whether on land at sea or in the air.