● The refractive index of a given piece of transparent quartz is greatest for which light?
Answer :- Violet light,● A virtual image larger than the object can be formed by which mirror?
Answer :- Concave mirror,
● If there were no atmosphere, what will be the length of the day on the earth?
Answer :- Decrease,
● For an astronaut in a space ship, how does the sky appear?
Answer :- Black,
● Which phenomena is used in optical fibres?
Answer :- Total internal reflection,
● What is the phenomenon of splitting white light into seven colours?
Answer :- Dispersion,
● In which part of the eye lies the pigment, that decides the colour of the eyes of a person?
Answer :- Choroid,
● To an observer on the lunar surface, during the day time, how will the sky appear?
Answer :- Black,
● What is the unit of luminous efficiency of an electric bulb?
Answer :- Lumen / watt,
● Which of light are strongly absorbed by plants?
Answer :- Blue and red,
● How is image formed on the retina of a human eye?
Answer :- Real and inverted,
● A soap bubble is given negative charge then what happen in its radius?
Answer :- Increases,
● Why do Electricians use rubber gloves while working?
Answer :- Rubber is an insulator,
● Two electron beams are travelling parallel to each other. What will be their reactions?
Answer :- Repel each other,
● Instrument used to store the electric charge is known by which name?
Answer :- Capacitor,
● Conversion of chemical energy into electrical energy occurs in which thing?
Answer :- Battery,
● What is the temperature at which a ferromagnetic material becomes paramagnetic?
Answer :- Curie temperature,
● The north pole of the earth’s magnet is near the geographical which direction?
Answer :- South,
● A hydrogen atom is paramagnetic. What is a hydrogen molecule?
Answer :- Diamagnetic,
● What is the half-life of a radioactive element which has only 1/32 of its original mass left after a lapse of 60 days?
Answer :- 12 days,
● If a proton of mass m is moving with the velocity of light, what will its mass be?
Answer :- Infinite,
● What was the fissionable material used in the bomb dropped at Nagasaki (Japan) in the year 1945?
Answer :- Plutonium,
● Energy transferred to a person through gamma rays is measured in by which unit?
Answer :- Roentgens,
● Einstein’s mass energy relation is given by which expression?
Answer :- E = mc2,
● Which region of northern India was not included in the empire of Ala-ud-din Khalji ?
Answer :- Kashmir,
● From which ruler did Humayun received the Kohinoor diamond?
Answer :- The ruler of Gwalior,
● Which was the most significant battle in the establishment of British supremacy in India?
Answer :- Buxar,
● In which year was Vande Mataram first sung at the session of the Indian National Congress?
Answer :- 1896,
● To a space traveller on moon, how does the lunar sky during day time appear?
Answer :- Black,
● Which is present in the largest amount in terms of percent by mass in the earth’s crust?
Answer :- Oxygen,
● Which wind in the northern hemisphere, the wind blowing from the Horse latitudes to the Doldrums?
Answer :- Trade wind,
● What is the cause of Exposure of rock to the changes of temperature?
Answer :- Mechanical weathering,
● Which current is produced by upwelling of water off the coast of Chile and Peru?
Answer :- Humboldt Current,
● West Bengal shares boundaries with how many foreign countries?
Answer :- Three,
● In which State is the Guru Shikhar Peak located?
Answer :- Rajasthan,
● Soil can best be conserved on the hills by which of the cultivating methods?
Answer :- Contour ploughing,
● Which State has the largest number of sugar mills?
Answer :- Uttar Pradesh,
● Which State of India is the largest producer of lignite coal?
Answer :- Tamil Nadu,
● How did Constituent Assembly arrived at decisions on the various provisions of the Constitution?
Answer :- By consensus,
● Why is India a democratic republic?
Answer :- Because the Head of the State is elected by the people,
● Which right conferred by the Constitution of India is also available to non-citizens?
Answer :- Freedom to speech,
● Which of appointment is not made by the President of India?
Answer :- Speaker of the Lok Sabha,
● Which State sends the maximum number of members to the Rajya Sabha?
Answer :- Uttar Pradesh,
● What is the age of retirement of the Judges of the High Court?
Answer :- 62 years,
● Whose prior consent can the Money Bills be introduced in the State Legislature?
Answer :- Governor,
● In which year did the Congress loose its monopoly of power in the States for the first time after the elections?
Answer :- 1967,
● A person to be qualified for standing in a panchayat election what age must have he attained?
Answer :- 21 years,
● Who was made the Home Minister when Jawaharlal Nehru formed the Interim Government in 1946 ?
Answer :- Sardar Patel,
● Which polymer is widely used for making bullet proof material?
Answer :- Polyethylene,
● Which combination of foods providing protein quality nearest to that of meat?
Answer :- Sprouted gram and groundnuts,
● Which element that does not occur in nature but can be produced artificially?
Answer :- Plutonium,
● Which element is essentials for the transmission of impulses in the nerve fibre?
Answer :- Calcium,
● A car is running on a road at a uniform speed of 60 km/hr. What is the net resultant force on the car?
Answer :- Equal to zero,
● Which is used as a material for making protective windows in space probes?
Answer :- Diamond,
● In the case of a test-tube baby where does fertilisation take place?
Answer :- Outside the mother’s body,
● Through which material does sound travel slowest?
Answer :- Wood,
● In Which kind of organisms is the phenomenon found wherein the female kills the male after copulation?
Answer :- Spider,
● Where is the headquarters of International Olympic Committee?
Answer :- At Lausanne (Switzerland),
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