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Everyday Science MCQs Mega Collection 2

Vestigeal pelvic girdle and bones of hind limbs are characteristic of
(a) Whales ✓
(b) Dolphins
(c) Seals
(d) Sharks

Vestigeal organs are those which are
(a) Fully formed and functional
(b) Much reduced but functional
(c) Much reduced and functionless ✓
(d) Fully formed but functionless

The scientist who is known as father of modern biology is
(a) B. F. Skinner
(b) Aristotle ✓
(c) Wilhelm Wundt
(d) Archimedes

The science of weights and measures is called:
(a) Metrology ✓
(b) meteorology
(c) mineralogy
(d) morphology

The point at which solid, liquid and gaseous forms of a substance co-exist is called
(a) sublimation point
(b) distillation point
(c) triple point ✓
(d) melting point

The persons working in textile factories such as carpet weavers are exposed to which of the following occupational disease?
(a) Asbestosis
(b) Asthma and Tuberculosis ✓
(c) Silicosis
(d) Siderosis

The parachute was used for the first time by
(a) Max Born
(b) Francis Crick
(c) J.P.Blanchard ✓
(d) Enrico Fermi

The only species of cat that lives and hunts in groups is
(a) Lion ✓
(b) leopard
(c) jaguar
(d) cougar

The most abundant organic molecule on the surface of the Earth is:
(a) cellulose ✓
(b) chitin
(c) DNA
(d) hemoglobin

The law of gravitation was propounded by
(a) Alfred Binet
(b) Alfred Kinsey
(c) Sir Isaac Newton ✓
(d) Alexander Fleming


The launch of the first LIQUID fueled rocket in the world is attributed to:
(a) China
(b) Russia
(c) United States ✓
(d) Germany

The instrument used to measure the relative humidity of air is
(a) Hygrometer ✓
(b) Salinometer
(c) Calorimeter
(d) Hydrometer

The instrument used to measure the pressure of gases is the (a) Barometer
(b) Monometer ✓
(c) Psychrometer
(d) Spectrophotometer

The instrument used to measure the concentration of salt water is the
(a) Galvanometer
(b) Salinometer ✓
(c) Altimeter
(d) Hygrometer

The German physicist who first demonstrated the existence of Radio waves was
(a) Arthur Eddington
(b) Henrich Hertz ✓
(c) William Harvey
(d) Marcello Malpighi

The first person to see a cell under microscope was

(a) Max von Laue
(b) Gustav Kirchhoff
(c) Robert Hooke ✓
(d) Hans Bethe

The fastest-running terrestrial animal is
(a) Cheetah ✓
(b) lion
(c) man
(d) jaguar

The density of milk is measured by a
(a) Monometer
(b) Hygrometer
(c) Lactometer ✓
(d) Anemometer

The characteristic odour of Garlic is due to which one of the following?
(a) Chlorine-containing compounds
(b) Fluorine-containing compounds
(c) Nitrogen-containing compounds
(d) Sulphur-containing compounds ✓

The branch of medical science which is concerned with the study of disease as it affects a community of people is called
(a) Epidemiology ✓
(b) oncology
(c) paleontogy
(d) pathology


The angle between the geographical meridian and magnetic meridian is called
(a) Angle of dip
(b) Angle of declination ✓
(c) Angle of inclination
(d) None of the above

Superconductivity is a material property associated with
(a) cooling a substance without a phase change
(b) frictionless liquid flow
(c) a loss of thermal resistance
(d) a loss of electrical resistance ✓

Pollination by birds is called
(a) autogamy
(b) ornithophily ✓
(c) entomophily
(d) anemophily

Mist is caused by
(a) Dry ice
(b) Ice at low temperature
(c) Water vapours at low temperature ✓
(d) Carbon- monoxide in solid form

Match List-I with List-II and select the correct answer using the code given below the Lists:
List-I List-II
Celestial Body) ( Roman God)
A. Mercury 1. God of the Under world and Death
B. Pluto 2. God of Commerce, Eloquence and Skill
C. Mars 3. God of the Sea
D. Neptune 4. God of War Code:
(a) A B C D 3 1 4 2
(b) A B C D
2 4 1 3
(c) A B C D
3 4 1 2
(d) A B C D 2 1 4 3 ✓

In the human body, Cowper's glands form a part of which one of the following?
(a) Digestive system
(b) Endocrine system
(c) Reproductive system ✓
(d) Nervous system .

In normal adult human, what is the rate of heartbeat per minute?
(a) 72-80 ✓
(b) 70-75
(c) 80-97
(d) 82-87

In human body, what is the number of cervical vertebrae?
(a) 5
(b) 7 ✓
(c) 8(d) 12

In daylight the human eye is most sensitive to which color?
(a) Green ✓
(b) Red
(c) Blue
(d) Orange

If a metal can be drawn into wires relatively easily it is called
(a) malleable
(b) ductile ✓
(c) extractive
(d) tactile

Evaporation from water surfaces exposed to air is not dependent of the:
(a) velocity of the wind
(b) humidity
(c) temperature
(d) depth of the water ✓

Earth quake waves travel fastest in
(a) Soil
(b) Molten rock
(c) Water ✓
(d) Flexible rock

Yeast, used in making bread is a:
(a) plant
(b) fungus ✓
(c) bacteria
(d) seed

Who was the marine biologist and author of Silent Spring who was one of the first people to warn of the dangers of pesticides like DDT?
(a) Jacques Cousteau
(b) Rachel Carson ✓
(c) Charles Darwin
(d) Marlin Perkins

Who was the first scientist credited with pointing out that certain gases could cause a greenhouse effect?
(a) John Tyndall ✓
(b) Charles Darwin
(c) Roger Tory Peterson
(d) Stephen Jay Gould

Who is known as the Father of the Atomic Bomb?
(a) Albert Einstein
(b) J. Robert Oppenheimer ✓
(c) General Leslie Groves
(d) Edward Teller

Who is called the Father of the Nuclear Navy?
(a) Edward Teller
(b) Robert Oppenheimer
(c) Hymen Rickover ✓
(d) Chester Nimitz

Which of the following seeds will normalize blood sugar level?
(a) Coriander
(b) Mustard
(c) Cumin
(d) Fenugreek ✓

Which of the following plants is not capable of manufacturing own food?
(a) Algae
(b) Mushroom ✓
(c) Carrot
(d) Cabbage

Which of the following nutrients is not a structural component of the plant?
(a) Nitrogen
(b) Calcium ✓
(c) Phosphorus
(d) Potassium

Which of the following is primarily composed of calcium carbonate?
(a) Fish scales
(b) Shark teeth
(c) Oyster Shells ✓
(d) Whale bones

Which of the following is not a property of difference amplifier?
(a) Capacitor is used in it ✓
(b) It is used to compare two signals
(c) Difference amplifier yields more than the direct couple ampliier
(d) Frequency of difference amplifier remains flat from zero to high frequency

Which of the following is a rich source of energy?
(a) Protein
(b) Lipid ✓
(c) Carbohydrate
(d) Vitamin

Which of the following is a cellulose fiber?
(a) Cotton ✓
(b) Wool
(c) Rayon
(d) Polyester

Which of the following gases is released from rice fields in the most prominent quantities?
(a) Carbon dioxide
(b) Methane ✓
(c) Carbon monoxide
(d) Sulphur dioxide

Which colour of heat radiation represents the highest temperature?
(a) Blood red
(b) Dark cherry
(c) Salmon
(d) White ✓

Which among the following substances is used as a lubricant?
(a) Quartz
(b) Silica
(c) Graphite ✓
(d) Nickel

What power cycle is used in jet engines?
(a) Stirling
(b) Rankine
(c) Otto
(d) Brayton ✓

What is the pH value of pure water?
(a) 1
(b) 6
(c) 7 ✓
(d) 10

What is Jeweller's rouge?
(a) Ferric oxide ✓
(b) Ferrous oxide
(c) Ferrous carbonate
(d) Ferric carbonate

What is “H5N1" a term , which was very much in news recently ?
(a) It is a category of Visa provided by the USA FOR STUDENTS.
(b) It is the name of the virus which cause Bird flu
(c) It is the code name of India's space Mission 2010.
(d) It was the name of the military operation launched by Sri Lanka against LTTE ✓

What form of radiation most closely resembles X-rays?
(a) alpha
(b) beta
(c) gamma ✓
(d) neutron

What does airbag, used for safety of car driver, contain?
(a) Sodium bicarbonate
(b) Sodium azide ✓
(c) Sodium nitrite
(d) Sodium peroxide

Water flows through a horizontal pipe at a constant volumetric rate. At a location where the cross sectional area decreases, the velocity of the fluid:
(a) Increases ✓
(b) decreases
(c) stays the same

The word atom is from a Greek word meaning:
(a) small
(b) indivisible ✓
(c) unseen
(d) visible

The weight of an object will be minimum when it is placed at
(a) The North Pole
(b) The South Pole
(c) The Equator
(d) The center of the Earth ✓

The uranium fuel used worldwide is mainly in the form of:
(a) U3O8
(b) UO2 ✓
(c) UF6
(d) U metal

The time taken by the Sun to revolve around the center of our galaxy is
(a) 50 mn years
(b) 100 mn years
(c) 250 mn years ✓
(d) 365 mn years

The theory of relativity was brought forward by
(a) Louis Victor de Broglie
(b) Albert Einstein ✓
(c) Carl Linnaeus
(d) Jean Piaget

The study of phenomena at very low temperatures is called
(a) heat transfer
(b) morphology
(c) crystallography
(d) cryogenics ✓

Vulcanised rubber was invented by
(a) Charles Goodyear ✓
(b) William Stockes
(c) J.E.Lundstrom
(d) Sir Joseph Swann

The system for writing by blind people was invented by
(a) Louis Braille ✓
(b) Henry Bacquerel
(c) Sir J.A.Fleming
(d) Dr.Charles H. Townes

The steam engine was invented by
(a) William Stockes
(b) J.E.Lundstrom
(c) Sir Joseph Swann
(d) James Watt ✓

The steam engine was invented by
(a) James Watt ✓
(b) James Prescott Joule
(c) New Commen
(d) Isaac Newton

The revolver was invented by
(a) Eduard Jenner
(b) Alexander Fleming
(c) Albert Einstein
(d) Samuel Colt ✓

The refrigerator was invented by
(a) J.Perkins ✓
(b) Alexander Fleming
(c) Albert Einstein
(d) Benjamin Franklin

The nuclear reactor was invented by
(a) Enrico Ferni ✓
(b) Eduard Jenner
(c) Alexander Fleming
(d) Albert Einstein Torricelli

The laws of floating bodies was discovered by (a) Pierre Simon de Laplace
(b) Archimedes ✓
(c) Edwin Hubble
(d) Joseph J. Thomson

The four blood groups were discovered by
(a) Richard Feynman
(b) Karl Landsteiner ✓
(c) Alfred Wegener
(d) Stephen Hawking

The existence of isotopes was discovered by
(a) Emil Kraepelin
(b) Trofim Lysenko
(c) Frederick Soddy ✓
(d) Francis Galton


The electro-cardiograph was invented by
(a) B. F. Goodrich
(b) Gottlieb Daimler
(c) Karl Benz
(d) William Einthoven ✓

Stethoscope was invented by
(a) William Shockley
(b) Tim Berners Lee
(c) Chester Carlson
(d) William Stockes ✓

Spinning frame was invented by
(a) Charles Macintosh
(b) Antoine Joseph Sax
(c) Samuel Morse
(d) Sir Richard Arkwright ✓

Sodium was discovered by
(a) Sir Humphry Davy ✓
(b) James Watson
(c) John Bardeen
(d) John von Neumann

Safety matches was invented by
(a) Levi Strauss
(b) Benjamin Franklin
(c) Peter Goldmark
(d) J.E.Lundstrom ✓

Rayon was invented by
(a) Sir Joseph Swann ✓
(b) Adolph Rickenbacker
(c) David Brewster
(d) Christopher Cockerell

Radium was discovered by
(a) Willard Libby
(b) Edward Teller
(c) Ernst Haeckel
(d) Marie and Pierrie Curie-

Radioactivity was discovered by
(a) Karl Landsteiner
(b) Konrad Lorenz
(c) Henry Bacquerel ✓
(d) Edward O. Wilson

Radio valve was invented by
(a) Sir J.A.Fleming ✓
(b) George Eastman
(c) William Burroughs
(d) Michael Faraday

Nylon was invented by
(a) Dr.Wallace H.Carothers ✓
(b) Adolph Rickenbacker
(c) David Brewster
(d) Christopher Cockerell


Margalla Hill is a branch of:
(a) Karakorum range ✓
(b) Hindukash range
(c) Himalaya range
(d) Nanga Parbat range

Humming bird belongs to a category called:
(a) Ectotherm
(b) Endotherm ✓
(c) Exotherm
(d) Heterotherm

Radioactive isotope of Uranium used in Nuclear Bomb is:
(a) 92 U 235
(b) 92 U 234
(c) 92 U 233
(d) 92 U 238 ✓

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.

Which woody raw material is used for the manufacture of paper pulp?
(a) Cotton
(b) Poplar ✓
(c) Bagasse
(d) Rice straw

Rectified spirit contains alcohol about:
(a) 80%
(b) 95% ✓
(c) 70%
(d) 85%

Which of the following elements is not present abundantly in earth’s crust:
(a) Silicon
(b) Radium ✓
(c) Aluminum
(d) Carbon

The famous book; Al - Qanoun was written by the Muslim scientist:
(a.) Jabar bin Hayyan
(b) Zakariya Al -Razi
(c) Abu Ali Sina ✓
(d) Abdul Qasim Majreeti

Basic metals can be converted into gold by:
(a) Heating
(b) Beating
(c) Artificial nuclear radioactivity ✓
(d) Chemical reaction

A light year is a unit of:
(a) Time
(b) Energy
(c) Length ✓
(d) Mass

Microscope was invented by
(a) Aaton Van Leewen Hock ✓
(b) Robert Recorde
(c) William Oughtred
(d) Hermann Fottinger

Laser was invented by
(a) Dr.Charles H. Townes ✓
(b) Edwin Hubble
(c) Albert Einstein
(d) S. Chandrasekhar

One of the countries through which equator passes is:
(a) Kenya
(b) Malaysia ✓
(c) Malta
(d) Pakistan

Copper can be converted into gold by:
(a) Artificial radioactivity ✓
(b) heating
(c) Electroplating
(d) Chemical reaction

The three elements needed for healthy growth of plants are:
(a) N, P, K ✓
(b) N, C, P
(c) N, K,
(d) N, S, P

Clocks, which moves with the velocities comparable with the velocity of light, run:
(a) fast
(b) slow
(c) equal to the velocity of light
(d) with zero velocity ✓

Max Planck received the noble prize in Physics in 1918 for his discovery of:
(a) electron
(b) energy quanta ✓
(c) photon
(d) positron

Bronze medal is made up of metals:
(a) (copper,nickel)
(b) (copper, tin) ✓
(c) (copper, silver)
(d) (copper, zinc)

Addison’s disease is caused by the excessive secretion of:
(a) Antiduretic Harmone
(b) Luteinising Harmone
(c) Melanophore stimulating Harmone
(d) Adrenocorticotrophic Harmone ✓

Development of calf muscles in ladies who wear high heels is a common example of:
(a) Natural Selection
(b) inheritance of acquired character ✓
(c) Use and disuse of organ
(d) Artificial selection


One of the main function of the earth’s ozone layer is to:
(a) Prevent global warming
(b) Filter out ultraviolet rays ✓
(c) Absorb pollution
(d) All of the above
Ozone layer (stratospheric ozone) is a high concentration of ozone molecules about 30 to 50 km altitude (stratosphere). The main function of the ozone layer is to absorb the Sun's ultraviolet radiation, hence protecting the Earth from its harmful effects.

Insulin is injected into the intestines by
(a) Pancreas ✓
(b) Liver
(c) Stomach
(d) Gall bladder

Lock Jaw, i.e., difficulty in opening the mouth is a symptom of
(a) Cholera
(b) Plague
(c) Tetanus ✓
(d) Diphtheria

Which of the following pairs is incorrect?
(a) Plague-rats
(b) Rabies-dog
(c) Tapeworm-pig
(d). Poliomyelitis monkey ✓

Match the following columns Column I Column II
A. Air-borne 1. Tetanus
B. Water-borne 2. Tuberculosis
C. Contact 3. Cholera
D. Wound 4. Syphilis
(a) 2 3 1 4
(b) 2 3 4 1 ✓
(c) 3 2 4 1
(d) 4 3 2 1

Ricketts is a disease of the
(a) Bones ✓
(b) Tissue
(c) Muscles
(d) Blood

Which of the following statements is correct?
(a) Pulmonary artery carries pure blood
(b) Pulmonary artery carries impure blood ✓
(c) Pulmonary vein carries impure blood
(d) None of these

Lungs are situated in the
(a) Abdominal cavity
(b) Pericardial cavity
(c) Buccal cavity
(d) Thoracic cavity ✓

The human cell contains
(a) 44 chromosomes
(b) 48 chromosomes
(c) 46 chromosomes ✓
(d) 23 chromosomes

Enzymes help in
(a) Respiration
(b) Digestion of food ✓
(c) Immune system
(d) Reproduction

Food is normally digested in the
(a) Liver
(b) Stomach
(c) Small intestines ✓
(d) Large intestines

Myopia is a disease connected with
(a) Ears
(b) Eyes ✓
(c) Lungs
(d) Brain

Leukemia is a disease of the
(a) Lungs
(b) Blood ✓
(c) Skin
(d) Nerves

Short-sightedness can be corrected by using
(a) Convex lens
(b) Concave lens ✓
(c) Convex-concave lens
(d) Concave-convex lens

Trachoma is a disease of the
(a) Liver
(b) Eyes ✓
(c) Lungs
(d) Kidneys

Typhoid and cholera are typical examples of
(a) Infectious diseases
(b) Air-borne disease
(c) Water-borne disease ✓
(d) None of these

Pyorrhea is a disease of the
(a) Nose
(b) Gums ✓
(c) Heart
(d) Lungs

Lack of what causes diabetes.
(a) Sugar
(b) Insulin ✓
(c) Calcium
(d) Vitamins

Appendix is appendix is a part of
(a) Small intestine
(b) Large intestine ✓
(c) Stomach
(d) Liver

Bronchitis is a disease of which of the following organs?
(a) Blood
(b) Bladder
(c) Liver
(d) Respiratory tract ✓

ECG is used for the diagnosis of aliments of
(a) Brain
(b) Heart ✓
(c) Kidneys
(d) Lungs

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