The scientist who explained about blood circulation for the
first time was
(a) Antonyvan Leewen Hock
(b) William Harvey
(c) Gregor Mendel
(d) Ronald Ross
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When the United Nations Day is celebrated ?
Which one of the following metals is used to galvaniese iron (a) Copper (b) Lead (c) Zinc (d) Mercury
2005 has been declared by the United Nations as the Year of (a) Environmental Sciences (b) Working Women (c) World Population (d) Physics
In equilibrium, a perfectly competitive firm will equate (a) Marginal social cost with marginal social benefit (b) Market supply with market demand (c) Marginal profit with marginal cost (d) Marginal revenue with marginal cost
Which among the following denotes the ratio between total population and the cultivated land? (a) Economic density (b) Agricultural density (c) Physiological density (d) Geographical density
Which of the following is available in Earth?s crust in highest quantity? (a) Nitrogen (b) Hydrogen (c) Oxygen (d) Sulphur dioxide
Daily weather changes in the atmosphere are associated with (a) Troposphere (b) Mesosphere (c) Ionosphere (d) Stratosphere
Which seasonal crops are called Khariff crops ?
By selling an article at 2/3 of the marked price, there is a loss of 10%. The profit percent, when the article is sold at the marked price, is (a) 20% (b) 30% (c) 35% (d) 40%
Capital output ratio of a commodity measures (a) Its per unit cost of production (b) The amount of capital invested per unit of output (c) The ratio of capital depreciation to quantity of output (d) The ratio of working capital employed to quantity of output
To which Mantreal Protocol is related ?
Capital of which of the following states of India is not situated on the banks of a river ? (a) Bihar (b) Jammu & Kashmir (c) UP (d) Madhya Pradesh