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Well Summarized MCQ And Detail Explanation. Important MCQ For all state and central PSC examination.

[Audio] The radiations used in the treatment of muscle ache are Option A infrared Option B microwave Option C UV and Option D X-ray The correct answer is . Option A infrared..

[Audio] The total resistance of a circuit having two parallel resistors is 1.403 kilo-ohm. If one of the resistors is 2.0 kilo-ohm, then the other resistor will be Option A 1.403 kilo-ohm Option B 2.0 kilo-ohm Option C 3.403 kilo-ohm and Option D 4.70 kilo-ohm The correct answer is . Option D 4.70 kilo-ohm..

[Audio] On heating, the resistance of a semiconductor Option A increases Option B decreases Option C remains same and Option D first increases and then decreases The correct answer is . Option B decreases..

[Audio] Faraday constant Option A Faraday constant Option B depends on the current passed in the e Option C depends on the volume of the solvent i and Option D is a universal constant The correct answer is . Option D is a universal constant..

[Audio] Light-year' is a unit of Option A time Option B speed Option C distance and Option D intensity of light The correct answer is . Option C distance..

[Audio] Which of the following does not change when light travels from one medium to another? Option A Velocity Option B Wavelength Option C Frequency and Option D Refractive index The correct answer is . Option C Frequency..

[Audio] The velocity of electromagnetic waves is Option A 3 x108 ms-1 Option B 3 x107 ms-1 Option C 3 x107 ms- 1 and Option D 3x106 ms-1 The correct answer is .Option A 3 x108 ms-1..

[Audio] The first man who placed his foot on the moon is Option A Leonov Option B Neil Armstrong Option C Michael Collins and Option D James Van Allen The correct answer is . Option B Neil Armstrong..

[Audio] The number of neutrons in the nucleus of plutonium nuclide ( 94Pu242) is Option A 94 Option B 148 Option C 242 and Option D 336 The correct answer is . Option B 148..

[Audio] The highest viscosity among the following is of Option A water Option B air Option C blood and Option D honey The correct answer is . Option D honey..

[Audio] Milk is a poor source of Option A calcium Option B protein Option C vitamin C and Option D carbohydrate The correct answer is . Option C vitamin C..

[Audio] The breath test conducted by police to check drunken driver has which one of the following on the filter paper? Option A Potassium dichromate-sulfuric acid Option B Potassium permanganate-sulfuric acid Option C Silica gel coated with silver nitrate and Option D Turmeric The correct answer is . Option A Potassium dichromate-sulfuric acid..

[Audio] Glucose is converted to ethyl alcohol by the enzyme Option A maltase Option B invertase Option C zymase and Option D diastase The correct answer is . Option C zymase..

[Audio] Limewater is turned milky by Option A CO Option B CO2 Option C O2 and Option D O3 The correct answer is . Option B CO2..

[Audio] The incomplete burning of petrol and diesel produces Option A nitric oxide Option B nitrogen dioxide Option C carbon dioxide and Option D carbon monoxide The correct answer is . Option D carbon monoxide..

[Audio] The pH of a solution changes from 3 to 6 Option A Increase 3 times Option B decrease 3 times Option C decrease 10 times and Option D decrease 1000 times The correct answer is . Option D decrease 1000 times..

[Audio] A mixture of sand and naphthalene can be separated by Option A sublimation Option B distillation Option C chromatography and Option D fractional distillation The correct answer is . Option A sublimation..

[Audio] The numbers of sigma and pi bonds in benzene are Option A 3, 3 Option B 3, 6 Option C 12, 3 and Option D 12, 6 The correct answer is . Option C 12, 3..

[Audio] The elements present in urea are Option A C, H, O Option B C, N, O Option C C, H, N and Option D C, H, N, O The correct answer is . Option D C, H, N, O..

[Audio] The poorest conductor of heat among the following is Option A copper Option B lead Option C mercury and Option D zinc The correct answer is . Option C mercury..

[Audio] The vitamin which is effective in blood clotting is Option A vitamin A Option B vitamin B Option C vitamin D and Option D vitamin K The correct answer is Option D vitamin K..

[Audio] The female sex hormone is Option A estrogen Option B androgen Option C insulin and Option D oxytocin The correct answer is . Option A estrogen..

[Audio] The Nobel Prize for developing treatment of Parkinson's disease was given to Option A Arvid Carlsson Option B John F. Enders Option C Robert B. Laughlin and Option D Walter Kohn The correct answer is . Option A Arvid Carlsson..

[Audio] The malfunctioning of thyroid gland is due to the deficiency of Option A vitamin A Option B calcium Option C iodine and Option D iron The correct answer is . Option C iodine..

[Audio] The sensitive area of the human tongue to bitterness is Option A tip Option B middle part Option C posterior part and Option D None of the above The correct answer is . Option D None of the above..