1) Which nutrients from the following is found in black soil? a) calcium carbonate b) Magnesium  c) Potash d) All of these 2) Which among the following is a feature of black soil? a) high water holding capacity b) higher concentration of kanker nodules c) Result of intense leaching due to heavy rainfall d) All of these 3) Vaccine of Covid - 19 is an example of (according to the current situation)? a) Potential b) stock c) reserve d) developed 4) Removal of the top layer of soil? a) denudation b) wind erosion c) gully erosion d) sheet erosion 5) In India coffee cultivation occurs in? a) Darjeeling hills b) Assam hills c) Baba Budan hills  d) All of these 6) Which of the following is fodder crop? a) Sugarcane b) Maize c) Millets d) All of these 7) Which among the following isn't a leguminous crop? a) Gram b) Peas c) Moong d) None of these 8) Shifting agriculture in Central America? a) conuco b) roca c) milpa d) ladang 9) First cotton mill was established in India in which city and which year? a) Bombay,1856 b) Madras,1854 c) Bombay,1854 d) Calcutta, 1860 10) Which Airport is in Amritsar? a) Chhatrapati Shivaji International Airport  b) Indira Gandhi International Airport c) N. Bose International Airport d) Raja Sansi International airport

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