General Quiz 5

	Q21.The unit of power is called -? a)Watt b)Dyne c)Erg d)Ohm
	Q22.Which of the following is used as lubricant ? a)Graphite b) Silica c) Iron Oxide d) Diamond
	Q23.Which is the semiconductor element? a)Bismuth b)Silicon c)Aluminium d)Copper
	Q24.Gene mutation takes place in ? a)ribosomer b)chloroplast c)dioxyribose nuclei acid d)mitochondrion
	Q25.Capillaries are the? a) Endocrine glands b) Small blood vessels c) Blood Platelets d) Leucocytes