Science can be defined as study. “mainly concerned with the phenomenan of physical universe any or all of natural sciences or biological sciences. Science as the “the field of study which attempts to describe and understand the nature of the universe in whole or part.
Here you will find the General Science Multiple Choice Questions Mcqs are from Biology, Chemistry, Physics and Atmospheric Studies. Everyday Science Online Test 2 Mcqs Preparation Practice Questions. All Important Abbreviation related to Everyday Science in MCQs.
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Everyday Science Mcqs Online With Answers for NTS PPSC PTS OTS Entry Test Classes
Everyday Science
Everyday Science Mcqs with Answers online.
The field of specialization of famous Muslim scientist Abu Usman Aljahiz was?
A. Botany
B. Zoology
C. Astronomy
D. None
Right Answer: Zoology
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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
Right Answer: 20 to 30
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The sun appears red at sunrise and sunset while it appears white at noon, because?
A. Of refraction
B. It is cooler at sunrise and at sunset
C. Of diffraction leading to red end of the spectrum reaching the earth.
D. Of Scattering of light due to dust particles and air molecules.
Right Answer: Of Scattering of light due to dust particles and air molecules.
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The Green House Effect is caused by an excess of ?
A. Carbon dioxide
B. Carbon monoxide
C. Carbon tetrachloride
D. None of the above
Right Answer: Carbon dioxide
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Which of the following glands secrete tears?
A. Lachrymal
B. Pituitary
C. Thyroid
D. Pancreas
Right Answer: Lachrymal
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The planets visible to us without using a telescope are?
A. 3
B. 4
C. 5
D. 6
Right Answer: 5
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Which is the outermost planet in the solar system?
A. Mercury
B. Pluto
C. Neptune
D. Uranus
Right Answer: Neptune
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The cracking sound heard when dry hair is combed with a hard rubber comb is due to?
A. The hair barging against the charged comb
B. Small electric sparks
C. The rubbing of the comb with the hair
D. None of the above
Right Answer: None of the above
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A device which converts chemical energy into electrical energy is called?
A. motor
B. generator
C. moving-coil meter
D. battery
Right Answer: battery
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What are the three subatomic particles of an atom?
A. Protons,Neutrons & Electrons
B. Protons,Nucleus & Electrons
C. Protons,Nucleus & Elements.
D. Elements,Nucleus & Protons
Right Answer: Protons,Neutrons & Electrons
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Which month of calendar year can lack a new moon?
A. December
B. February
C. May
D. None
Right Answer: February
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Meteorology is the study of?
- seasons
- atmosphere
- air and sounds
- winds and clouds
Right Answer: atmosphere
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Human population growth is greatest in developing countries because ?
A. the birth rate is high in developing countries
B. the death rate is high in developing countries.
C. much of the population has already reached the child bearing age.
D. most of the world’s population lives in industrialized countries.
Right Answer: the birth rate is high in developing countries
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which one is the most common disease?
A. Dental
B. Leprosy
C. Headache
D. Migraine
Right Answer: Dental
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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
Right Answer: 5 – 21 days
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He was the first scientist to prove that plants move around the sun?
A. Archimedes
B. Galileo Galilei
C. John Kepler
D. None
Right Answer: Galileo Galilei
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Which of the following diseases is caused by virus?
A. Small pox
B. Tuberculosis
C. Malaria
D. Cholera
Right Answer: Small pox
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The blue colour of clear sky is due to?
A. Reflection of light
B. Refraction of light
C. Diffraction of light
D. Dispersion of light
Right Answer: Dispersion of light
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Carrot is good source of Vitamin?
- Vitamin A
- Vitamin B
- Vitamin C
- Vitamin D
Right Answer: Vitamin A
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Night vision is possible with the help of?
A. Red light
B. Violet light
C. Infrared Rays
D. Ultra violet Light
E. None of these
Right Answer: Infrared Rays
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What is the smallest unit of heredity?
A. Chromosomes
B. Gene
C. Nucleotides
D. none
Right Answer: Gene
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____are negatively (-) charged particles of an atom?
A. Protons
B. Neutrons
C. Electrons
D. None of These
Right Answer: Electrons
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What is the average adult pulse rate?
A. 140-150
B. 115-125
C. 72-80
D. 60
Right Answer: 72-80
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Biosensor is used to measure?
- Blood glucose level
- The body pH value
- Amount of hemoglobin
- Salinity in Urine
Right Answer: Blood glucose level
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Deficiency of vitamin B1 is causes?
A. Rickets
B. Bone Infection
C. Beriberi
D. Myopia
Right Answer: Beriberi
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The famous book; Al – Qanun was written by the Muslim scientist ?
A. Jabar bin Hayyan
B. Zakariya Al – Razi
C. Abu Ali Sina
D. Abdul Qasim Majreeti
Right Answer: Abu Ali Sina
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The property by virtue of which metals can be beaten into thin sheets is known as?
A. Ductility
B. Malleability
C. Conductivity
D. Density
Right Answer: Malleability
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The main function of the kidney is?
A. To control blood pressure
B. To control body temperature
C. To remove waste product from the body
D. To help in digestion of food
Right Answer: To remove waste product from the body
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Trachoma is a disease of the?
A. Liver
B. Eyes
C. Lungs
D. Kidneys
Right Answer: Eyes
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Vacuum tubes have been replaced by?
A. Conductors
B. Diodes
C. Transistors
D. None of these
Right Answer: Transistors
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During winter in cold countries, the __________ is mixed to melt the ice on the icy roads?
- Salt
- Chlorine
- Carbon dioxide
- Water
Right Answer: Salt
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A six feet tall lady wants to see her full image in a plane mirror . The minimum length of the mirror will be ?
A. 6 feet
B. 12 feet
C. 4 feet
D. 3 feet
E. None of these
Right Answer: 3 feet
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The number of electrons of a neutral atom is automatically known if one knows the?
A. Atomic number
B. Atomic weight
C. Number of orbitals
D. none
Right Answer: Atomic number
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Addison’s disease is caused by the excessive secretion of ?
A. Antiduretic Harmone
B. Luteinising Harmone
C. Melanophore stimulating Harmone
D. Adrenocorticotrophic Harmone
Right Answer: Adrenocorticotrophic Harmone
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1 nanometer = ?
- 10-3 meter
- 10-6 meter
- 10-9 meter
- 10-12 meter
Right Answer: 10-9 meter
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It is a secondary plant nutrient?
A. Nitrogen
B. Phosphorus
C. Sulphur
D. none
Right Answer: Sulphur
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Albatros is?
A. A sea bird
B. A beetle
C. A fruit
D. None
Right Answer: A sea bird
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The planet that moves round the Sun at the highest speed is?
- Jupiter
- Venus
- Mars
- Mercury
Right Answer: Mercury
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The instrument which i specially design for recording earth quake wave is called seismograph which measure earth quake waves on a?
A. Diatonic scale
B. Fahrenheit Scale
C. Richter scale
D. Celsius Scale
E. None of these
Right Answer: Richter scale
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What is ‘Stealth Technology‘?
A. A device which when attached to an aircraft makes it invisible on the radar
B. A coating which reduces the visibility of an aircraft on radar
C. A Technology by which it is possible for the aircraft’s to spy in the enemy air-space
D. A technology by using which paratroopers can be dropped stealthily behind the enemy columns.
Right Answer: A coating which reduces the visibility of an aircraft on radar
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A light year is a unit of ?
A. Time
B. Energy
C. Length
D. Mass
Right Answer: Length
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German Silver is an alloy of?
A. Zn + Ni
B. Cu + Zn
C. Cu + Ni
D. Cu + Sn
E. None of these
Right Answer: Cu + Ni
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The position of an element in the Periodic Table is determined by its __________ number?
- Electron
- Proton
- Neutron
- Positron
Right Answer: Proton
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Anti Diuretic hormone is secreted by one of the following glands?
A. Pituitary
B. Pancreas
C. Thyroid
D. None
Right Answer: Pituitary
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The earth’s ___________ is divided into 15 major plates of various sizes?
A. Mesosphere
B. Stratosphere
C. Lithosphere
D. None
Right Answer: Lithosphere
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When a person enters a dark room from bright light he is not able to see clearly for a little while because the?
A. Eye is unable to adjust itself immediately
B. Retina becomes insensitive momentarily
C. Iris is unable to dilate the pupil immediately
D. Distance between the lens and retina take time to adjust
Right Answer: Iris is unable to dilate the pupil immediately
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The Beta particles are fast moving?
A. Protons
B. Electrons
C. Neutrons
D. None
Right Answer: Electrons
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The energy stored in a dam is?
A. Kinetic energy
B. Electrical energy
C. Potential energy
D. None of these
Right Answer: Potential energy
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Coulomb is the scientific unit to measure?
A. Velocity
B. Temperature
C. Mass
D. None OF These
Right Answer: None OF These
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Instrument used for measuring very high temperature is?
- Pyroscope
- Pyrometer
- Seismograph
- Xylometer
Right Answer: Pyrometer
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People living in high altitudes (like mountains) usually have a?
A. smaller number of Red Blood Cells
B. larger number of Red Blood Cells
C. smaller number of White Blood Cells
D. larger number of White Blood Cells
Right Answer: larger number of Red Blood Cells
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Most of the ozone in the atmosphere is concentrated in the?
A. Mesosphere
B. Troposphere
C. Stratosphere
D. ionosphere
Right Answer: Stratosphere
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One of the following countries produces maximum energy from atomic reactors?
A. France (80% from its Nuclear Reactors)
B. USA
C. UK
D. none
Right Answer: France (80% from its Nuclear Reactors)
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Reflex actions in head region are under the control of?
A. Brain
B. Spinal cord
C. both a & b
D. non of the above
Right Answer: Brain
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Oxidation is a chemical reaction involving the?
- Gain of Electrons
- Loss of Electrons
- Gain of Protons
- Loss of Protons
Right Answer: Loss of Electrons
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SI unit of time is?
A. second
B. kilo gram
C. meter
D. volt
Right Answer: second
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In night, when photosynthesis is stopped, plants?
- take in Carbon Dioxide
- take in Oxygen
- give off Carbon Dioxide
- give off Oxygen
Right Answer: give off Carbon Dioxide
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Each day human body breathe in __________ liters of air?
- 5,000 to 10,000
- 10,000 to 15,000
- 15,000 to 20,000
- 20,000 to 25,000
Right Answer: 15,000 to 20,000
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The gas used in a refrigerator to cool water is?
A. Nitrogen
B. Carbon dioxide
C. Methane
D. Ammonia
Right Answer: Ammonia
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The alpha particles are compact clusters of?
A. Electron and Proton
B. Two Protons and two Neutrons
C. Three protons and three Neutrons
D. None
Right Answer: Two Protons and two Neutrons
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The main constituent of hemoglobin is?
A. Chlorine
B. Iron
C. Calcium
D. None of these
Right Answer: Iron
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The most densest substance on the Earth is?
- Platinum
- Copper
- Steel
- Osmium
Right Answer: Osmium
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Long-sight defect could be corrected by using __________ lens?
- concave
- Convex
- diverging
- none of these
Right Answer: Convex
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In humans , most nutrient molecules are absorbed by the ?
A. Small intestine
B. Stomach
C. Liver
D. Large intestine
E. None of these
Right Answer: Small intestine
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Magnifying power of a simple microscope can be increased by ?
A. increasing focal length of the lens
B. Decreasing focal length of the lens
C. Lens of large aperture
D. lens of short aperture
E. None of these
Right Answer: increasing focal length of the lens
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Steering of a car involves?
A. A single force
B. Two forces acting in the same direction
C. Two forces acting along different lines and in opposite direction.
D. A pair of forces acting along the same line and in opposite direction
Right Answer: A pair of forces acting along the same line and in opposite direction
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Which of the following vitamins promote healthy functioning of eyes in human beings?
A. Vitamin B
B. Vitamin C
C. Vitamin A
D. Vitamin D
Right Answer: Vitamin A
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The planet which is easily visible from the Earth is?
- Mercury
- Venus
- Mars
- Jupiter
Right Answer: Venus
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Who invented the safety pin?
A. Charles Goodbye
B. steward Harshone
C. Walter Hunt
D. A.Rose
Right Answer: Walter Hunt
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Red blood corpuscles are formed in the?
A. Liver
B. Bone marrow
C. Kidneys
D. Heart
Right Answer: Bone marrow
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The SI unit of charge is?
- Ampere
- Coulomb
- Ohm
- Volt
Right Answer: Coulomb
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What are considered the building blocks of matter?
A. Molecules
B. Protons
C. Elements
D. Atoms
Right Answer: Atoms
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Max Planck received the noble prize in Physics in 1918 for his discovery of ?
A. electron
B. energy quanta
C. photon
D. positron
Right Answer: energy quanta
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The biggest species of the cat family is?
A. Tiger
B. Lion
C. Leopard
D. None
Right Answer: Tiger
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Leukemia is a disease of the?
A. Lungs
B. Blood
C. Skin
D. Nerves
Right Answer: Blood
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A person with which of the following blood groups can receive blood of any group?
A. A
B. AB
C. B
D. O
Right Answer: AB
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The study Of GLANDS is called?
A. cardiology
B. None of these
C. Endocrinology
D. Entomology
Right Answer: Endocrinology
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The atmosphere of moon consists of?
A. 90% Hydrogen, 10% Nitrogen
B. 80%Nitrogen, 20% Hydrogen
C. 60% Nitrogen, 40%inert gases
D. None
Right Answer: 60% Nitrogen, 40%inert gases
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Who developed the telegraph code?
A. Andre Ampere
B. Samuel Morse
C. Joseph Henry
D. Jean Fourier
Right Answer: Samuel Morse
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Which from the following is true for “Sound”?
- Sound cannot travel through a vacuum
- Sound cannot travel through gases
- Sound cannot travel through liquids
- Sound cannot travel through solids
Right Answer: Sound cannot travel through a vacuum
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Atom is made up of____________different kinds of subatomic particles?
A. Three
B. Two
C. Four
D. None
Right Answer: Three
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Basic metals can be converted into gold by ?
A. Heating
B. Beating
C. Artificial nuclear radioactivity
D. Chemical reaction
Right Answer: Artificial nuclear radioactivity
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The most important stimulant in tea leaves is?
A. Brucine
B. Caffeine
C. Phenylalanine
D. Theine
Right Answer: Caffeine
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An astronaut inside a spacecraft is in a state of weightlessness. This implies that?
A. The mass of the astronaut is reduced to zero
B. Gravity inside the spacecraft ceases to act
C. The astronaut is outside the influence of the earth’s gravitational force
D. The astronaut and the spacecraft are both in a free-failing state
Right Answer: The astronaut and the spacecraft are both in a free-failing state
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Detergents dissolved in water help in cleaning clothes by?
A. Increasing the temperature of water
B. Reacting chemically with dirt
C. Reducing the surface tension of water
D. Dissolving dirt
Right Answer: Reducing the surface tension of water
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An area of microbiology that is concerned with the occurence of disease in human population is?
A. Immunology
B. Paracitology
C. Epidemiology
D. none
Right Answer: Epidemiology
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Who proposed this concept “All motion is relative”?
A. Albert Einstein
B. John Kepler
C. Galileo Galilie
D. None
Right Answer: Albert Einstein
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Total volume of blood in a normal adult human being is?
A. 5-6 liters
B. 3-4 liters
C. 8-10 liters
D. 10-12 liters
Right Answer: 5-6 liters
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How many bones are there in an adult human being?
A. 210
B. 260
C. 206
D. 300
Right Answer: 206
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The human brain uses__________ percent of the total oxygen and blood in the body?
A. 20
B. 12
C. 35
D. 48
Right Answer: 20
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The density of water is ?
- 1 g/cm3
- 1.5 g/cm3
- 2 g/cm3
- none of these
Right Answer: 1 g/cm3
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Entomology Is the Study of?
A. worms
B. insects
C. Animals
D. All of these
Right Answer: insects
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Copper is used in the production of?
A. Brick kilns
B. Children toys
C. Kitchen utilities
D. Electric wires
Right Answer: Electric wires
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The most abundant element in the universe is?
- Oxygen
- Hydrogen
- Carbon Dioxide
- Silicon
Right Answer: Hydrogen
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The Great Spot is on the planet?
- Saturn
- Venus
- Mars
- Jupiter
Right Answer: Jupiter
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Which one of the following is the main culprit in the thinning of Ozone layer in the earth’s stratosphere?
A. Carbon dioxide
B. Chlorofluorocarbons
C. Nitrogen oxides
D. Methane
Right Answer: Nitrogen oxides
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The absorption of ink by blotting paper involves?
A. Viscosity of ink
B. Capillary action phenomenon
C. Diffusion of ink through the blotting
D. Siphon action
Right Answer: Capillary action phenomenon
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The SI unit of Heat is?
- Watt
- Volt
- Joule
- Newton
Right Answer: Joule
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A person of which of the following blood groups is called a universal donor?
A. O
B. AB
C. A
D. B
Right Answer: O
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The SI unit of electric current is?
- Coloumb
- Ampere
- Volt
- Watt
Right Answer: Ampere
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