SI unit of light is _________ ...? Mcqs

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SI unit of light is _________ ...?

(A) watt
(B) Pascal

(C) Candela
(D) Joule

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Melanoma (skin cancer) is associated with ______________...?

(A) ozone accumulation
(B) ozone depletion

(C) acid rain
(D) allergens

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Oasis is associated with___________...?

(A) Glaciers
(B) Desert

(C) Islands
(D) Volcanoes

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The sun has a __________ year solar cycle during which its activity increases and decreases....?

(A) 10
(B) 11

(C) 12
(D) 13

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Vaccination is synonymous with ___________ immunity...?

(A) Artificial Active
(B) Natural Active

(C) Allergy
(D) None of These

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Water vapour beyond the dew point result in_________...?

(A) Precipitation
(B) Hailstorm

(C) Condensation
(D) Formation of ice

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In the Composition of the earth, Aluminum is _______________...?

(A) 27.5%
(B) 20.3%

(C) 14.5%
(D) 8.23%

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The main factor for determining a region’s climate is ___________...?

(A) Latitude
(B) Temperature

(C) Longitude
(D) None of them

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One of the following ways of expressing the concentration of a solution does not depend on temperature. It is__________...?

(A) Molarity
(B) Molality

(C) Normality
(D) Formality

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The point within the Earth where earthquakes originate is _________...?

(A) Comma
(B) Origin

(C) Epicenter
(D) Focus

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The most abundant element in the universe is __________....?

(A) Oxygen
(B) Hydrogen

(C) Carbon Dioxide
(D) Silicon

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Temperature of Sun in Celsius Scale is 6000ºC  & in Fahrenheit is _____________...?

(A) 8000 F
(B) 9000 F

(C) 10,832 F
(D) None of these

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Lux is a unit of __________...?

(A) Luminous Flux
(B) Illumination

(C) Luminous Intensity
(D) Focus

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The importance of perspiration is to ___________...?

(A) Eliminate body odours
(B) Improve the general health

(C) Open the pores in the skin
(D) Regulate body temperature

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Vitamin A is found in the____________...?

(A) Green vegetables
(B) white vegetables

(C) Yellow vegetables
(D) Red vegetables

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The red blood cells originate in the ____________...?

(A) Brain
(B) Muscles

(C) Ligaments
(D) Bone Marrow

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Burning of Fossil Fuels Results In ____________...?

(A) Increased oxygen level
(B) Decreases greenhouse gases

(C) Increased greenhouse gases
(D) Increased ethane level

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The reaction between methane and chlorine in diffused sunlight is__________...?

(A) Oxidation
(B) Reduction

(C) Polymerisation
(D) Radical substitution

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When a ray of sunlight enters a dark room , its straight path become visible because of dust particles hanging in the air. It is because light is _________...?

(A) Visible
(B) Transparent

(C) Invisible
(D) opaque

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A shooting star is _________...?

(A) Sun
(B) A comet

(C) A meteor
(D) An steroid

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When were blue jeans invented in _________...?

(A) 1900s
(B) 1860s

(C) 1870s
(D) 1850s

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In 2013, Planck measured the age of the universe at ___________...?

(A) 13.82 billion years
(B) 4.53 billion years

(C) 4.6 billion years
(D) 4.53 billion years

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As you go down into a well, your weight__________...?

(A) Slightly increases
(B) Slightly decreases

(C) Remains the same
(D) None of these

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Severe deficiency of Vitamin D results in __________....?

(A) scurvy
(B) rickets

(C) night blindness
(D) None of these

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Farad is the unit of___________...?

(A) inductance
(B) voltage

(C) capacitance
(D) None of these

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Goitre is associated with___________...?

(A) Pituitary gland
(B) Thyroid gland

(C) Thymus gland
(D) Para-Thyroid gland

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Spinal card controls all ___________...?

(A) Sexual activities
(B) Thinking activities

(C) Reflex activities
(D) none

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Sickle cell anemia is a _________...?

(A) Genetic disorder
(B) virus disease

(C) bacterial disease
(D) diseases due to vitamin deficiency

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Metal are highly ___________ ...?

(A) Electropositive
(B) Electronegativity

(C) Both of these
(D) Neutral

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The part of brain involved in balance and precision in movements is: __________...?

(A) Cerebrum
(B) Cerebellum

(C) Thalamus
(D) Medulla oblongata

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Myopia is a disease connected with_________...?

(A) Ears
(B) Eyes

(C) Lungs
(D) Brain

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The ratio of pure gold in 18 carat gold is _______________...?

(A) 0.5
(B) 0.9

(C) 0.8.5
(D) 0.75

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Balloons are filled with _________ ...?

(A) Nitrogen
(B) Helium

(C) Oxygen
(D) Argon

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Earthquakes occur most frequently at __________...?

(A) Plate boundaries
(B) Plate surface

(C) Ocean beds
(D) All of the above

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Orbital period of the planet Mercury around the sun is _____________...?

(A) 88 days
(B) 365 days

(C) 2 years
(D) 98 days

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The atmosphere near the earth’s surface is “heated from below.” Which of the following does not significantly contribute to this heating _____________________...?

(A) Conduction of heat upward from a hot surface
(B) Convection from a hot surface

(C) Absorption of infrared energy that has been radiated from the surface
(D) Heat energy from the earth’s interior

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Being Myopic means you have problem in seeing ______________...?

(A) Distant objects clearly
(B) Close objects clearly

(C) Both A and B
(D) Distant and close objects look unclear

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The production of rubber tree is better adopted to areas where the climate is_________...?

(A) Warm and humid
(B) Warm and dry

(C) Cool and moist
(D) cool and dry

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Which is the most electro-negative element among the following _________...?

(A) Fluorine
(B) Bromine

(C) Sodium
(D) Oxygen

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When white light is passed through a prism, it splits into __________ colours....?

(A) 5
(B) 6

(C) 7
(D) 8

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The vitamin Folate works together with __________ to produce new red blood cells...?

(A) Vitamin D
(B) Vitamin A

(C) Vitamin B-12
(D) None of the above

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The main cause of air pollution is __________...?

(A) Burning Of Fuels
(B) Forests

(C) Fertilizers
(D) None of these

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An Average Hummingbird’s heart rate per minute is __________....?

(A) 500 times
(B) 1000 times

(C) more than 1000 times
(D) more than 1200 times

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The Great Spot is on the planet __________...?

(A) Saturn
(B) Venus

(C) Mars
(D) Jupiter

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The valency of carbon Atom is __________ ...?

(A) 1
(B) 2

(C) 3
(D) 4

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Biggest award in the field of science is the __________...?

(A) Noble Prize
(B) UNESCO peace prize

(C) Right livelihood prize
(D) All of these

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Deficiency of Vitamin-A results in __________...?

(A) Night blindness
(B) rickets

(C) scurvy
(D) hair fall

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Exosphere interacts with ___________ of Earth at roughly distance of 10,000 km....?

(A) Electrosphere
(B) Magnetosphere

(C) Spectrosphere
(D) Echosphere

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Hygrometer is used for measuring the ____________...?

(A) Speed of sound
(B) Density of milk

(C) Humidity of air
(D) Specific gravity of liquids

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A balanced diet quality formula recommended by World Health Organization is ____________....?

(A) Carbohydrates 58% + Proteins 12% + Fats 30%
(B) Mineral+Proteins+Fats

(C) Fats+Proteins+Minerals
(D) None of these

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Curie is a unit of measuring the intensity of ___________...?

(A) Radioactivity
(B) Quantity of Heat

(C) Work or Energy
(D) Power

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Nearest star to sun is: __________...?

(A) Proxima Centurai
(B) Alpha Scorpii

(C) Beta Orionis
(D) Vega

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The movement of earth around sun brings ________...?

(A) Tornadoes
(B) Rainfall

(C) Seasons
(D) Earthquakes

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Earth is closest to the sun every year in early ______________, when it’s winter for the Northern Hemisphere. We’re farthest away from the sun in early __________________, during our Northern Hemisphere summer....?

(A) January – July
(B) June – December

(C) July – January
(D) December – June

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Mohs’ Scale” is used to indicate the_________...?

(A) Degree of hardness of minerals
(B) Degree of viscosity of a liquid

(C) Degree of elasticity of a material
(D) Degree of brittleness of a substance

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The SI unit of Dipole moment is __________...?

(A) Debye
(B) Cm

(C) Weber
(D) Coulumb

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A train goes past a railway station at a high speed. A young boy standing on the edge of the platform is likely to __________...?

(A) Remain unaffected
(B) Fall away from the train

(C) Fall towards the train
(D) Fall away from or towards the train depending upon the speed

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Digestion of food is completed in the __________...?

(A) small intestine
(B) large intestine

(C) stomach
(D) Liver

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The position of an element in the Periodic Table is determined by its __________ number...?

(A) Electron
(B) Proton

(C) Neutron
(D) None of these

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The mean distance of the earth from the sun is astronomical units is____________...?

(A) 3.7 AU
(B) 10 AU

(C) 1 AU
(D) 101 AU

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Salinization is ___________...?

(A) Accumulation of salts in water
(B) Accumulation of salts in soil

(C) Accumulation of salts in body
(D) Accumulation of salts in animals

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Siemens is the unit of__________________...?

(A) Electrical Conductance
(B) Magnetic Conductance

(C) Electrical Capacitance
(D) Magnetic Capacitance

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Main constituent in air is ___________...?

(A) Oxygen
(B) Nitrogen

(C) Hydrogen
(D) Helium

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The sun is _________times bigger than the Earth....?

(A) 105
(B) 107

(C) 109
(D) 111

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Unit of force in (SI) is __________...?

(A) Meter
(B) Newton

(C) Kilogram
(D) None of these

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What is known the cold and dense air blowing down from the mountain slope during the night__________...?

(A) Anabatic Wind
(B) Katabatic wind

(C) Lue Wind
(D) None of these

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The unit of torque in International system of unit is _________...?

(A) Newton
(B) Newton-Meter

(C) Kilogram
(D) Meter

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Parsec is a unit of ___________...?

(A) Energy
(B) Time

(C) Power
(D) Distance

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The amount of energy in wheat is__________...?

(A) 100 K Calories/100 gram
(B) 245 K Calories/100 gram

(C) 348 K Calories/100 gram
(D) 490 K Calories/100 gram

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Nearest star to the sun is: ___________...?

(A) Proxima Centauri
(B) Alpha Scorpius

(C) Beta Orionis
(D) Vegetal

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The speed of light is __________...?

(A) 280,000 km/s
(B) 300,000 km/s

(C) 320,000 km/s
(D) none of these

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The most abundant element in the Earth’s crust is __________...?

(A) Oxygen
(B) Hydrogen

(C) Carbon Dioxide
(D) Silicon

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Jupiter has ________ known moons....?

(A) 62
(B) 73

(C) 79
(D) 53

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Combustion can not take place without __________...?

(A) Hydrogen
(B) Air

(C) Oxygen
(D) Argon

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Microphone converts sound energy into ___________...?

(A) Microwaves
(B) Electrical signals

(C) Optical Signals
(D) Heat energy

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Steradian is the unit of_______________...?

(A) Solid angle
(B) Liquid angle

(C) Gas angle
(D) Plain angle

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Approximate age of sun is _________...?

(A) 4.4 billion years
(B) 4.5 billion years

(C) 4.6 billion years
(D) 4.7 billion years

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The Sun is a __________...?

(A) Star
(B) Planet

(C) Asteroid
(D) Meteor

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Cusec is a unit of _________...?

(A) Area
(B) Time

(C) Distance
(D) mass

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The distance between Earth and Sun is greatest during ____________...?

(A) Apehelion
(B) Astronomical

(C) Lopsided
(D) Astronomi

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Most of the ozone in the atmosphere is concentrated in the _____________...?

(A) Mesosphere
(B) Troposphere

(C) Stratosphere
(D) ionosphere

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The percentage of plasma in human Blood is _________...?

(A) 50%
(B) 55%

(C) 60%
(D) 80%

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When our sun reaches the end of its red giant phase, it will turn into a___________...?

(A) Supernova
(B) White Dwarf

(C) Black Hole
(D) Neutron Star

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Granite is a____________...?

(A) Metamorphic rock
(B) Igneous rock

(C) Sedimentry rock
(D) None of these

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Tesla is the unit of_________________________...?

(A) Magnetic Field Strength
(B) Electric Field Strength

(C) Gravitational Field Strength
(D) Nuclear Field Strength

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The strongest part(s) of a magnet is/are _________...?

(A) North pole
(B) South pole

(C) North and south pole
(D) Median of north and south pole

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Tibia is a bone found in the ____________...?

(A) Skull
(B) Arm

(C) Leg
(D) Face

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The ozone layer is at height of________kilometers from the surface of the Earth...?

(A) 10 to 20
(B) 20 to 30

(C) 30 to 40
(D) 40 to 50

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Newton metre is a unit of __________....?

(A) Substance
(B) Length

(C) torque
(D) Work

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Main use of salt in diet is to : ___________...?

(A) ease the process of cooking
(B) increase the taste

(C) produce small amount of hydrochloric acid required for digestion
(D) inclease solubility of food particles in water

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Kilowatt-hour is a unit of____________...?

(A) Power
(B) Electric Current

(C) Energy
(D) Time

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The primary function of the feathers in birds is to _________...?

(A) Provide insulation for preserving body heat
(B) Provide striking surface to the wings for flying

(C) Make the body surface waterproof
(D) impart coloration for species as well as sex recognition

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The matter of our sun is in ________ state...?

(A) Liquid
(B) Gas

(C) Solid
(D) Plasma

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‘Bar’ is the unit of___________...?

(A) Temperature
(B) Heat

(C) Atmospheric pressure
(D) Current

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Deficiency of Vitamin-D results in __________...?

(A) night blindness
(B) rickets

(C) scurvy
(D) hair fall

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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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BCG vaccine is used to produce immunity against___________...?

(A) Whooping cough
(B) Tuberculosis

(C) Virus fever
(D) Smallpox

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In the electricity meter the digit to the extreme right is___________...?

(A) 1/5th of the unit
(B) 1/100 of the unit

(C) 1/10th of the unit
(D) 1/1000th of the unit

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Ring planet is Saturn; least dense and 2nd largest planet is_________...?

(A) Jupiter
(B) Saturn

(C) Neptune
(D) Mercury

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On the Moon, the escape velocity is: __________...?

(A) Less than on Earth due to its lower mass and smaller radius
(B) More than on Earth due to its smaller radius

(C) The same as on Earth because escape velocity is a constant
(D) Dependent on the time of day

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Hen and chicken disorder is associated with__________ ...?

(A) Mango
(B) Grapes

(C) Tomato
(D) Guava

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Largest Galaxy in the Universe is_________...?

(A) Andromeda Galaxy
(B) Milky-Way

(C) Spiral Galaxy
(D) Horseshoe Galaxy

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The gas heater gives us heat by __________...?

(A) Radiation
(B) Conduction

(C) Convection
(D) Environmental pressure

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Smallest animal is _________...?

(A) Skunk
(B) Gorilla

(C) Tiger
(D) Cat

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P-waves is a term associated with__________...?

(A) Earthquakes
(B) Oceans

(C) Wind
(D) Rivers

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Garnet is a______________...?

(A) Sedimentary rock
(B) Igneous rock

(C) Mineral
(D) None of these

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Water has maximum density at____________...?

(A) 0°C
(B) 4°C

(C) 4° K
(D) 4.8°C

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