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MPSC Rajyaseva 2013 GS Paper 1 — Question 34

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वनस्पतीपासून मिळविलेल्या सजीवांमध्ये सक्रीय असणाऱ्या संयुगाची यादी : (a) निकोटीन - तंबाखू वनस्पतीपासून (b) निबीडाईन - कडू लिंबापासून (c) रोटीनोनी - डेरिस झुलिप्टापासून (d) पायरीथ्रम - क्रायसॅथमम सिनक्रैफोलीअमपासून अदिम लोकांनी वनस्पतीचे सार काढून, सजीवांमध्ये सक्रीय असणारे संयुग मिळविले व त्याचा वापर मासे स्तभीत करण्यासाठी केला? यासाठी वरीलपैकी कोणता पर्याय बरोबर आहे? List of bioactive compounds obtained from plants : (a) Nicotine - from tobacco plant (b) Nibidine - from neem plant (c) Rotenone - from derris elliptica (d) Pyrethrum - from chrysanthemum cincrariefolium The bioactive compound extracted from plant was used by primitive people for paralysing the fish. Which of the above options was resorted to by them?

1)(a) निकोटीन - तंबाखू वनस्पतीपासून / (a) Nicotine - from tobacco plant
2)(b) निबीडाईन - कडू लिंबापासून / (b) Nibidine - from neem plant
3)(c) रोटीनोनी - डेरिस झुलिप्टापासून / (c) Rotenone - from derris elliptica✓ Correct
4)(d) पायरीथ्रम - क्रायसॅथमम सिनक्रैफोलीअमपासून / (d) Pyrethrum - from chrysanthemum cincrariefolium

Rotenone, extracted from the roots of Derris elliptica, is a natural bioactive compound historically used by indigenous peoples as a piscicide to stun or paralyze fish for easy catching.

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