1. On 11 February 2016 The LIGO Scientific Collaboration announced the detection of(A) electromagnetic waves(B) seismic waves(C) gravitational waves(D) radio waves2. The SI unit of charge is(A) Ampere(B) Coulomb(C) Ohm(D) Volt3. Very High Frequency (VHF) have __________ wavelengths.(A) shorter(B) shortest(C) longer(D) longest4. Short-sight defect could be corrected by using __________ lens.(A) concave(B) vonvex(C) diverging(D) none of these5. Deficiency of Vitamin-A results in(A) night blindness(B) rickets(C) scurvy(D) hair fall6. For a fixed mass of gass at constant temperature, if we decrease volume, the pressure will(A) also decrease(B) increase(C) remains constant(D) none of these7. The lifespan of Red Blood Cells is __________ days.(A) 60(B) 120(C) 180(D) 2408. The density of water is(A) 1 g/cm3(B) 1.5 g/cm3(C) 2 g/cm3(D) none of these9. Radioactivity was discovered by(A) Kelvin(B) Thomson(C) Rutherford(D) Bacquerel10. A device which converts chemical energy into electrical energy is called(A) motor(B) generator(C) moving-coil meter(D) battery1. The Sun is a(A) Star(B) Planet(C) Asteroid(D) Meteor12. The average adult has a blood volume of about __________ liters.(A) 4(B) 5(C) 6(D) 713. The most abundant element in the universe is(A) Oxygen(B) Hydrogen(C) Carbon Dioxide(D) Silicon14. The most abundant element in the Earth’s crust is(A) Oxygen(B) Hydrogen(C) Carbon Dioxide(D) Silicon15. Each day human body breathe in __________ liters of air.(A) 5,000 to 10,000(B) 10,000 to 15,000(C) 15,000 to 20,000(D) 20,000 to 25,00016. Deficiency of Vitamin-D results in(A) night blindness(B) rickets(C) scurvy(D) hair fall17. The SI unit of “pressure” is(A) pascal(B) joule(C) tesla(D) henry18. The most densest substance on the Earth is(A) Platinum(B) Copper(C) Steel(D) Osmium19. A camera uses a __________ to form an image.(A) convex lens(B) concave lens(C) condenser lens(D) none of these20. Which from the following is NOT a conductor?(A) Aluminium(B) Silicon(C) Graphite(D) All are conductors

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