1) Which is the outermost planet in the solar system? a. Mercury b. Pluto c. Neptune d. Uranus
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2) Severe deficiency of Vitamin D results in __________. a. scurvy b. rickets c. night blindness d. osteomalacia
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3) The SI unit of charge is __________? a. Ampere b. Coulomb c. Ohm d. Volt
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4) Long-sight defect could be corrected by using __________ lens? a. concave b. Convex c. diverging d. none of these
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5) Deficiency of Vitamin-A results in __________? a. Night blindness b. rickets c. scurvy d. hair fall
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6) 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 these
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7) The lifespan of Red Blood Cells is __________ days? a. 60 b. 120 c. 180 d. 240
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8) The density of water is __________? a. 1 g/cm³ b. 1.5 g/cm³ c. 2 g/cm³ d. none of these
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9) Radioactivity was discovered by __________? a. Kelvin b. Thomson c. Rutherford d. Bacquerel
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10) A device which converts chemical energy into electrical energy is called __________? a. motor b. generator c. moving-coil meter d. battery
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11) The Sun is a __________? a. Star b. Planet c. Asteroid d. Meteor
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12) The gas used in a refrigerator to cool water is___________? a. Nitrogen b. Carbon dioxide c. Methane d. Ammonia
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13) The average adult has a blood volume of about __________ liters. a. 4 b. 5 c. 6 d. 7
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14) The most abundant element in the universe is __________. a. Oxygen b. Hydrogen c. Carbon Dioxide d. Silicon
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15) The most abundant element in the Earth’s crust is __________? a. Oxygen b. Hydrogen c. Carbon Dioxide d. Silicon
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16) 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 25,000
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17) Deficiency of Vitamin-D results in __________? a. night blindness b. rickets c. scurvy d. hair fall
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18) The SI unit of “pressure” is _________. a. pascal b. joule c. tesla d. henry
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19) The most densest substance on the Earth is __________. a. Platinum b. Copper c. Steel d. Osmium
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20) A camera uses a __________ to form an image. a. convex lens b. concave lens c. condenser lens d. none of these
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21) Which from the following is NOT a conductor? a. Aluminium b. Gold c. Graphite d. All are conductors
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22) CNG stands for? a. Converted Natural Gas b. Conduced Natural Gas c. Conducted Natural Gas d. Compressed Natural Gas
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23) Which from the following is true for “Sound”? a. Sound cannot travel through a vacuum b. Sound cannot travel through gases c. Sound cannot travel through liquids d. Sound cannot travel through solids
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24) When white light is passed through a prism, it splits into __________ colours. a. 5 b. 6 c. 7 d. 8
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25) 1 nanometer = ? a. 10⁻³ meter b. 10⁻⁶ meter c. 10⁻⁹ meter d. 10⁻12 meter
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26) Instrument used for measuring very high temperature is __________? a. Pyroscope b. Pyrometer c. Seismograph d. Xylometer
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27) Sound waves are _________ waves. a. Transverse b. Electromagnetic c. Longitudinal d. none of these
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28) The lifespan of White Blood Cells is __________ day(s)? a. 1 – 5 days b. 3 – 7 days c. 4 – 8 days d. 5 – 21 days
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29) The fluid part of blood is known as __________? a. plasma b. platelets c. blood cells d. None of these
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30) During winter in cold countries, the __________ is mixed to melt the ice on the icy roads. a. Salt b. Chlorine c. Carbon dioxide d. Water
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31) In a very low temperature which from the following will freeze at last? a. River water b. Canal water c. Sea water d. Water in a lake
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32) The nearest planet to the Earth is _________? a. Venus b. Mercury c. Mars d. Moon
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33) The planet that moves round the Sun at the highest speed is_________? a. Jupiter b. Venus c. Mars d. Mercury
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34) In general, Comets have __________ orbits a. Elliptical b. Highly elliptical c. Circular d. Parabolic
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35) GPS is an abbreviation for? a. Global Poles System b. Global PolySiliconium Store c. Global Positioning System d. Global Position Structure
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36) Oxidation is a chemical reaction involving the __________? a. Gain of Electrons b. Loss of Electrons c. Gain of Protons d. Loss of Protons
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37) At night, Plants intake __________ and release __________? a. Oxygen – Carbon dioxide b. Carbon dioxide – Oxygen c. Oxygen – Carbon monoxide d. Carbon monoxide – Oxygen
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38) Urine is produced in __________? a. Kidneys b. Lungs c. Large intestine d. Liver
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39) The position of an element in the Periodic Table is determined by its __________ number? a. Electron b. Proton c. Neutron d. Positron
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40) The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in __________ of sea water. a. 1 gram b. 10 grams c. 1 kg d. 10 kg
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41) The planet which is easily visible from the Earth is? a. Mercury b. Venus c. Mars d. Jupiter
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42) The Great Spot is on the planet __________? a. Saturn b. Venus c. Mars d. Jupiter
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43) 1 light year = ? a. 9.5×10 6 km b. 9.5×10 9 km c. 9.5×10 12 km d. 9.5×10 18 km
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44) The bodyguard of the Earth is __________ that save the Earth from many Comets and Asteroids. a. Mars b. Saturn c. Uranus d. Jupiter
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45) The planets visible to us without using a telescope are __________? a. 3 b. 4 c. 5 d. 6
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46) According to Big Bang Theory, the Universe began about __________ billion years ago. a. 10 – 20 b. 20 – 30 c. 30 – 40 d. 40 – 50
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47) Biosensor is used to measure? a. Blood glucose level b. The body pH value c. Amount of hemoglobin d. Salinity in Urine
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48) Einstein’s famous equation which states that mass and energy are interchangeable is? a. E = mc² b. E = cm² c. M = ec² d. M = ce²
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49) The SI unit of electric current is? a. Coloumb b. Ampere c. Volt d. Watt
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50) The principal constituent of the atmosphere of the Earth is? a. Oxygen b. Carbon c. Hydrogen d. Nitrogen
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