1) A device used for converting a.c. Into d.c. is called
1 Transformer
2 Rectifier
3 Induction oil
4 Dynamo
2) Law of heredity was put forward by
1 Mendel
2 Mendeleev
3 Pavlov
4 Koch
3) Naga, Khasi and Garo hills are located in
1 Purvanchal Range
2 Karakoram Range
3 Zaskar Ranges
4 Himalaya Ranges
4) Which of the following is the classification of Industries on the basis of raw-materials?
1 Small scale and Large scale
2 Primary and Secondary
3 Basic and Consumer
4 Agro based and mineral based
5) The topography of plateau is ideal for
1 Cultivation
2 Forestry
3 Mining
4 Generation of hydal power
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