PRELIMS 2021 KEYS RAJA sir cracking IAS Academy

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May 3, 2021 - Daily Quiz

1. Which one of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers etc.? (a) Nickel and cadmium (b) Zinc and carbon (c) Lead peroxide and lead (d) Iron and cadmium   2. Which one of the following is a modified stem? (a) Carrot (b) Sweet potato (c) Coconut (d) Potato   3. POMATO an hybrid between Tomato and Potato is produced by (a) Protoplast fusion (b) Embryo culture (c) Gene transfer (d) Recombination   4. Television signals cannot be received ordinarily beyond a certain distance because (a) the earth is curved                              (b) signal are weak (c) interferne from the gases in the air (d) none of these   5. Hemophilia is a genetic disease (a) carried by males and expressed by females (b) carried by females and expressed by males (c) carried by males and expressed by males (d) carried by females and expressed by females   Answers 1 - (a)   2 - (d)   3 - (a)   4 - (a)   5 - (b)


POSTED ON 03-05-2021 BY ADMIN
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List of previous year essay topics (1997-2019)

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