UPSC IAS Prelims GS solved paper 1991

[nitinps]

Download previous year solved question paper of IAS Preliminary Exam General Studies 1991

1.Photons have properties similar to that of
(a) Waves
(b) Particles
©Â Both particles and waves
(d) Neither particles nor waves

2.The thermo regulatory centre of the man body is
(a) Pituitary
(b) Skin
©Â Hypothalamus
(d) Thyroid

3. When the Portuguese arrived in India, the foreigners whom they encountered as trade rivals were the
(a) Persians
(b) Arabs
©Â Dutch
(d) English

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[geevarhese]

Last 40 Years of General Studies Question Papers and Keys of IAS Prelims available at

Previous 40 Years Question Papers and Keys of GS1 Paper of IAS Prelims