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- The most abundant element in the universe is ____?
a) Helium
b) Hydrogen
c) Oxygen
d) Nitrogen
Answer: b) Hydrogen - The most abundant element in the Earth’s crust is ____?
a) Silicon
b) Aluminum
c) Oxygen
d) Iron
Answer: c) Oxygen - Each day, the human body breathes in ____ liters of air.
a) 5,000 – 10,000
b) 15,000 – 20,000
c) 25,000 – 30,000
d) 10,000 – 15,000
Answer: b) 15,000 – 20,000 - Deficiency of Vitamin-D results in ____?
a) Scurvy
b) Rickets
c) Beriberi
d) Night blindness
Answer: b) Rickets - The SI unit of “pressure” is ____?
a) Newton
b) Pascal
c) Joule
d) Watt
Answer: b) Pascal - The most densest substance on the Earth is ____?
a) Gold
b) Osmium
c) Platinum
d) Lead
Answer: b) Osmium - For a fixed mass of gas at constant temperature, if we decrease volume, the pressure will ____?
a) Decrease
b) Increase
c) Remain the same
d) Fluctuate
Answer: b) Increase - The lifespan of Red Blood Cells is ____ days?
a) 90
b) 120
c) 150
d) 180
Answer: b) 120 - The density of water is ____?
a) 0.5 g/cm³
b) 1 g/cm³
c) 1.5 g/cm³
d) 2 g/cm³
Answer: b) 1 g/cm³ - Radioactivity was discovered by ____?
a) Rutherford
b) Becquerel
c) Curie
d) Einstein
Answer: b) Becquerel - A device which converts chemical energy into electrical energy is called ____?
a) Motor
b) Generator
c) Battery
d) Transformer
Answer: b) Generator - The Sun is a ____?
a) Planet
b) Star
c) Moon
d) Asteroid
Answer: b) Star - The gas used in a refrigerator to cool water is ____?
a) Oxygen
b) Carbon dioxide
c) Nitrogen
d) Freon
Answer: b) Carbon dioxide - Sound waves are ____ waves.
a) Transverse
b) Longitudinal
c) Electromagnetic
d) Surface
Answer: b) Longitudinal - The lifespan of White Blood Cells is ____ day(s)?
a) 1 – 3
b) 4 – 21
c) 30 – 40
d) 60 – 80
Answer: b) 4 – 21 - The fluid part of blood is known as ____?
a) Serum
b) Plasma
c) Lymph
d) Hemoglobin
Answer: b) Plasma - During winter in cold countries, the ____ is mixed to melt the ice on the icy roads.
a) Sugar
b) Salt
c) Sand
d) Water
Answer: b) Salt - In a very low temperature, which from the following will freeze at last?
a) Fresh water
b) Sea water
c) River water
d) Lake water
Answer: b) Sea water - The nearest planet to the Earth is ____?
a) Mars
b) Venus
c) Mercury
d) Jupiter
Answer: b) Venus - GPS is an abbreviation for?
a) Global Power System
b) Global Positioning System
c) General Protection System
d) Geographic Projection System
Answer: b) Global Positioning System - A camera uses a ____ to form an image.
a) Concave lens
b) Convex lens
c) Plane mirror
d) Prism
Answer: b) Convex lens - Which from the following is NOT a conductor?
a) Copper
b) Silver
c) Glass
d) Aluminum
Answer: c) Glass (Note: Corrected assumption based on typical options) - CNG stands for?
a) Compressed Natural Gas
b) Carbon Nitrogen Gas
c) Controlled Natural Gas
d) Combined Natural Gas
Answer: a) Compressed Natural Gas - Which from the following is true for “Sound”?
a) Sound can travel through a vacuum
b) Sound cannot travel through a vacuum
c) Sound travels fastest in water
d) Sound has no frequency
Answer: b) Sound cannot travel through a vacuum - When white light is passed through a prism, it splits into ____ colours.
a) 5
b) 6
c) 7
d) 8
Answer: c) 7 - 1 nanometer = ?
a) 10⁻⁶ meter
b) 10⁻⁹ meter
c) 10⁻³ meter
d) 10⁻¹² meter
Answer: b) 10⁻⁹ meter - Instrument used for measuring very high temperature is ____?
a) Thermometer
b) Barometer
c) Pyrometer
d) Hygrometer
Answer: c) Pyrometer - Oxidation is a chemical reaction involving the ____?
a) Gain of Electrons
b) Loss of Electrons
c) Gain of Protons
d) Loss of Protons
Answer: b) Loss of Electrons - At night, Plants intake ____ and release ____?
a) Oxygen – Carbon dioxide
b) Carbon dioxide – Oxygen
c) Nitrogen – Oxygen
d) Oxygen – Nitrogen
Answer: b) Carbon dioxide – Oxygen - Urine is produced in ____?
a) Liver
b) Kidneys
c) Lungs
d) Heart
Answer: b) Kidneys - Blood is cleaned by ____?
a) Liver
b) Kidneys
c) Spleen
d) Pancreas
Answer: b) Kidneys - The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in ____ of sea water.
a) 100 g
b) 500 g
c) 1 kg
d) 10 kg
Answer: c) 1 kg - The planet which is easily visible from the Earth is?
a) Mars
b) Venus
c) Jupiter
d) Saturn
Answer: b) Venus - The Great Spot is on the planet ____?
a) Saturn
b) Jupiter
c) Uranus
d) Neptune
Answer: b) Jupiter - Which is the outermost planet in the solar system?
a) Uranus
b) Neptune
c) Pluto
d) Saturn
Answer: b) Neptune - Severe deficiency of Vitamin D results in ____.
a) Scurvy
b) Rickets
c) Anemia
d) Osteoporosis
Answer: b) Rickets - Milk contains water ____.
a) 70%
b) 80%
c) 90%
d) 60%
Answer: b) 80% - The SI unit of charge is ____?
a) Volt
b) Coulomb
c) Ohm
d) Ampere
Answer: b) Coulomb - Very High Frequency (VHF) have ____ wavelengths?
a) Longer
b) Shorter
c) Medium
d) Variable
Answer: b) Shorter - Long-sight defect could be corrected by using ____ lens?
a) Concave
b) Convex
c) Cylindrical
d) Bifocal
Answer: b) Convex - Short-sight defect could be corrected by a ____ lens?
a) Convex
b) Concave
c) Plane
d) Bifocal
Answer: b) Concave - Deficiency of Vitamin-A results in ____?
a) Rickets
b) Night blindness
c) Scurvy
d) Beriberi
Answer: b) Night blindness - A camera uses a ____ to form an image.
a) Concave lens
b) Convex lens
c) Plane mirror
c) Prism
Answer: b) Convex lens - 1 light year = ?
a) 9.5×10¹⁰ km
b) 9.5×10¹¹ km
c) 9.5×10¹² km
d) 9.5×10¹³ km
Answer: c) 9.5×10¹² km - The bodyguard of the Earth is ____ that save the Earth from many Comets and Asteroids.
a) Mars
b) Jupiter
c) Saturn
d) Uranus
Answer: b) Jupiter - The planets visible to us without using a telescope are ____?
a) 2
b) 3
c) 4
d) 5
Answer: b) 3 - According to Big Bang Theory, the Universe began about ____ billion years ago.
a) 10 – 20
b) 20 – 30
c) 30 – 40
d) 40 – 50
Answer: c) 30 – 40 - Biosensor is used to measure?
a) Blood pressure
b) Blood glucose level
c) Heart rate
d) Temperature
Answer: b) Blood glucose level - Einstein’s famous equation which states that mass and energy are interchangeable is?
a) E = mc
b) E = mc²
c) E = m²c
d) E = mc³
Answer: b) E = mc² - The SI unit of electric current is?
a) Volt
b) Ampere
c) Ohm
d) Watt
Answer: b) Ampere - The principal constituent of the atmosphere of the Earth is?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Argon
Answer: b) Nitrogen - What is Dry Ice?
a) Solid Nitrogen
b) Solid Carbon Dioxide
c) Solid Oxygen
d) Solid Hydrogen
Answer: b) Solid Carbon Dioxide - Digestion of food is completed in the ____?
a) Stomach
b) Small intestine
c) Large intestine
d) Esophagus
Answer: b) Small intestine - Carrot is a good source of Vitamin ____?
a) Vitamin B
b) Vitamin A
c) Vitamin C
d) Vitamin D
Answer: b) Vitamin A - For proper formation of teeth, ____ is essential?
a) Calcium
b) Fluorine
c) Iron
d) Phosphorus
Answer: b) Fluorine - Deficiency of ____ causes loss of appetite and poor growth?
a) Iron
b) Zinc
c) Magnesium
d) Potassium
Answer: b) Zinc - Meteorology is the study of?
a) Rocks
b) Winds and clouds
c) Oceans
d) Plants
Answer: b) Winds and clouds - The Carbon Dioxide in the atmosphere, by volume, is ____?
a) 0.039%
b) 0.5%
c) 1%
d) 5%
Answer: a) 0.039% - Diamond is an allotropic form of ____?
a) Silicon
b) Carbon
c) Oxygen
d) Nitrogen
Answer: b) Carbon - The SI unit of Heat is ____?
a) Calorie
b) Joule
c) Watt
d) Kelvin
Answer: b) Joule - The good sources of Vitamin-A are?
a) Dairy products
b) Green leafy vegetables
c) Meat
d) Grains
Answer: b) Green leafy vegetables - The good sources of Vitamin-B Complex are?
a) Fresh vegetables and fruits
b) Meat and fish
c) Dairy products
d) Grains
Answer: a) Fresh vegetables and fruits - The good sources of Vitamin-C are ____?
a) Citrus fruits
b) Fresh vegetables and fruits
c) Meat
d) Eggs
Answer: b) Fresh vegetables and fruits - The good sources of iodine are ____?
a) Dairy products
b) Sea foods
c) Grains
d) Nuts
Answer: b) Sea foods - The gas, commonly known as “laughing gas”, is?
a) Oxygen
b) Nitrous Oxide
c) Carbon dioxide
d) Helium
Answer: b) Nitrous Oxide - The source of oxygen in photosynthesis is?
a) Carbon dioxide
b) Water
c) Glucose
d) Nitrogen
Answer: b) Water - The instrument used to measure wind speed is?
a) Barometer
b) Anemometer
c) Thermometer
d) Hygrometer
Answer: b) Anemometer - The natural fats and oils are composed of ____?
a) Carbon, Hydrogen, and Oxygen
b) Carbon and Nitrogen
c) Hydrogen and Oxygen
d) Carbon and Sulfur
Answer: a) Carbon, Hydrogen, and Oxygen - The energy value of food is measured in ____?
a) Calorie
b) Joule
c) Watt
d) Volt
Answer: b) Joule - Wind energy is the ____ energy.
a) Potential
b) Kinetic
c) Thermal
d) Chemical
Answer: b) Kinetic - Who is considered the founder of meteorology?
a) Galileo
b) Aristotle
c) Newton
d) Copernicus
Answer: b) Aristotle - Water covers ____ of the Earth’s surface?
a) 61%
b) 71%
c) 81%
d) 91%
Answer: b) 71% - In general, wind speed of 10 – 13 kph caused ____?
a) Severe damage
b) Moderate damage
c) Minor or no damage
d) Major destruction
Answer: c) Minor or no damage - Acid rain is mainly caused by emissions of ____ in the atmosphere?
a) Carbon dioxide
b) Sulfur Dioxide and Nitrogen Oxide
c) Methane
d) Oxygen
Answer: b) Sulfur Dioxide and Nitrogen Oxide - About 50% of the Earth’s crust, including the waters on the Earth and atmosphere, is?
a) Silicon
b) Oxygen
c) Aluminum
d) Iron
Answer: b) Oxygen - The fourth state of matter is?
a) Liquid
b) Plasma
c) Gas
d) Solid
Answer: b) Plasma - The device used to convert Alternate Current into Direct Current is called?
a) Transformer
b) Rectifier
c) Generator
d) Inverter
Answer: b) Rectifier - In night, when photosynthesis is stopped, plants ____?
a) Release Oxygen
b) Take in Carbon Dioxide
c) Release Carbon dioxide
d) Stop all activity
Answer: b) Take in Carbon Dioxide - ____ are called the powerhouses of the cell?
a) Nucleus
b) Mitochondria
c) Ribosomes
d) Endoplasmic reticulum
Answer: b) Mitochondria - One of the countries through which equator passes is ____?
a) Brazil
b) Kenya
c) India
d) Russia
Answer: b) Kenya - Copper can be converted into gold by?
a) Heating
b) Artificial radioactivity
c) Chemical reaction
d) Electrolysis
Answer: b) Artificial radioactivity - The three elements needed for healthy growth of plants are ____?
a) N, P, K
b) C, H, O
c) Fe, Mg, Ca
d) Na, K, Cl
Answer: a) N, P, K - Clocks, which move with velocities comparable with the velocity of light, run?
a) Fast
b) Slow
c) Normal
d) Stop
Answer: b) Slow - Max Planck received the Nobel Prize in Physics in 1918 for his discovery of?
a) Relativity
b) Energy quanta
c) Quantum theory
d) Photoelectric effect
Answer: b) Energy quanta - Bronze medal is made up of metals?
a) Copper, zinc
b) Copper, tin
c) Copper, nickel
d) Copper, silver
Answer: b) Copper, tin - Addison’s disease is caused by the deficiency of ____?
a) Insulin
b) Adrenocorticotrophic Hormone
c) Thyroxine
d) Cortisol
Answer: b) Adrenocorticotrophic Hormone - Humming bird belongs to a category called?
a) Ectotherm
b) Endotherm
c) Poikilotherm
d) Homeotherm
Answer: b) Endotherm - Radioactive isotope of Uranium used in Nuclear Bomb is?
a) U-238
b) U-235
c) U-234
d) U-239
Answer: b) U-235 - Human population growth is greatest in developing countries because?
a) The death rate is high
b) The birth rate is high
c) The literacy rate is high
d) The economy is strong
Answer: b) The birth rate is high - Which woody raw material is used for the manufacture of paper pulp?
a) Oak
b) Poplar
c) Pine
d) Maple
Answer: b) Poplar - Rectified spirit contains alcohol about?
a) 70%
b) 85%
c) 95%
d) 100%
Answer: c) 95% - Which of the following elements is not present abundantly in Earth’s crust?
a) Oxygen
b) Silicon
c) Radium
d) Aluminum
Answer: c) Radium - The famous book; Al – Qanun was written by the Muslim scientist?
a) Al-Biruni
b) Abu Ali Sina
c) Al-Khwarizmi
d) Ibn al-Haytham
Answer: b) Abu Ali Sina - The primary source of energy for Earth’s climate system is?
a) Geothermal energy
b) Wind energy
c) Solar energy
d) Tidal energy
Answer: c) Solar energy - The hardest naturally occurring substance known is?
a) Quartz
b) Diamond
c) Topaz
d) Corundum
Answer: b) Diamond - The process by which plants lose water through leaves is called?
a) Transpiration
b) Evaporation
c) Condensation
d) Precipitation
Answer: a) Transpiration - The chemical symbol for gold is?
a) Au
b) Ag
c) Cu
d) Fe
Answer: a) Au - The largest organ in the human body is?
a) Liver
b) Skin
c) Heart
d) Lungs
Answer: b) Skin - The unit of measurement for the loudness of sound is?
a) Hertz
b) Decibel
c) Watt
d) Ampere
Answer: b) Decibel - The gas that makes up most of the Earth’s atmosphere is?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Argon
Answer: b) Nitrogen - The instrument used to measure atmospheric pressure is?
a) Anemometer
b) Barometer
c) Hygrometer
d) Thermometer
Answer: b) Barometer - The process of converting a solid directly into a gas is called?
a) Melting
b) Sublimation
c) Condensation
d) Freezing
Answer: b) Sublimation - The primary source of energy for the human body is?
a) Proteins
b) Carbohydrates
c) Fats
d) Vitamins
Answer: b) Carbohydrates - The planet with the most moons in our solar system is?
a) Saturn
b) Jupiter
c) Uranus
d) Neptune
Answer: b) Jupiter - The chemical process in which glucose is broken down to release energy in cells is called?
a) Photosynthesis
b) Respiration
c) Fermentation
d) Digestion
Answer: b) Respiration - The largest desert in the world is?
a) Sahara
b) Gobi
c) Antarctic
d) Arabian
Answer: c) Antarctic - The device used to measure electric current is?
a) Voltmeter
b) Ammeter
c) Ohmmeter
d) Galvanometer
Answer: b) Ammeter - The most abundant gas in the Earth’s atmosphere is?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Hydrogen
Answer: b) Nitrogen - The hormone that regulates blood sugar levels is?
a) Insulin
b) Adrenaline
c) Thyroxine
d) Estrogen
Answer: a) Insulin - The study of earthquakes is called?
a) Seismology
b) Volcanology
c) Meteorology
d) Oceanography
Answer: a) Seismology - The largest ocean on Earth is?
a) Atlantic Ocean
b) Indian Ocean
c) Arctic Ocean
d) Pacific Ocean
Answer: d) Pacific Ocean - The primary source of energy for Earth’s weather systems is?
a) Geothermal heat
b) Solar radiation
c) Tidal forces
d) Internal heat
Answer: b) Solar radiation - The element essential for making chlorophyll in plants is?
a) Iron
b) Magnesium
c) Potassium
d) Calcium
Answer: b) Magnesium - The device that converts sunlight into electricity is?
a) Generator
b) Solar cell
c) Turbine
d) Battery
Answer: b) Solar cell - The longest river in the world is?
a) Nile
b) Amazon
c) Yangtze
d) Mississippi
Answer: b) Amazon - The gas responsible for the green house effect is?
a) Oxygen
b) Carbon dioxide
c) Nitrogen
d) Hydrogen
Answer: b) Carbon dioxide - The part of the eye that controls the amount of light entering it is?
a) Retina
b) Cornea
c) Iris
d) Lens
Answer: c) Iris - The unit of power is?
a) Joule
b) Watt
c) Volt
d) Ohm
Answer: b) Watt - The process of turning liquid into vapor is called?
a) Condensation
b) Evaporation
c) Freezing
d) Melting
Answer: b) Evaporation - The largest planet in our solar system is?
a) Earth
b) Jupiter
c) Saturn
d) Uranus
Answer: b) Jupiter
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