Everyday Science Mcqs for Tests

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The average weight of a man’s brain is 4.8 ounces. What is the average weight of woman’s brain ?
A. 4.8 ounce
B. 5.8 ounce
C. 5.4 ounce
D. 4.4 ounce
The blind spot is located at the ___________ of the eye ?
A. pupil
B. vitreous humor
C. aqueous humor
D. optic disc
A clouding that develops in the lens of the eye or in its envelope obstructing the passage of light is known as________?
A. Glaucoma
B. Hemophilia
C. Cataract
D. Diphtheria
A common skin condition that causes skin redness and irritation is known as_________?
A. Psoriasis
B. Hypermetropia
C. Leukoderma
D. Diphtheria
Ozone layer protects the Earth from __________ radiations from the Sun.
A. microwaves
B. infrared
C. X-rays
D. ultraviolet
The only living cells in the body without blood supply is___________?
A. Pupil
B. Nail
C. Cornea
D. Hair
Liver uses which vitamin for creating new Red Blood cells?
A. B12
B. B6
C. A
D. K
Biopsy is done on tissues taken from__________?
A. Human body
B. Animal body
C. Living body
D. Dead body
Trypsin is an enzyme which digests protein produced by_____________?
A. Liver
B. Pancreas
C. Stomach
D. Small intestine
Black gold is an oil; Black diamond is_________?
A. Copper
B. Iron
C. Coal
D. Wood
Guava has the maximum amount of which Vitamin?
A. vitamin K
B. vitamin B
C. vitamin C
D. vitamin D
The most dense and heaviest planet is___________?
A. Jupiter
B. Earth
C. Mars
D. Venus
Ring planet is Saturn; least dense and 2nd largest planet is_________?
A. Jupiter
B. Saturn
C. Neptune
D. Mercury
Apiculture refers to___________?
A. Rearing silk worms
B. Science of bee keeping
C. Science of gardening
D. Science of cultural norms and trends
Which of the following plants are called arthrophytes?
A. Sphenopsids
B. Lycopsids
C. Psilopsids
D. Pteropsids
Reptiles hibernate during_______?
A. Summer
B. Winter
C. Spring
D. Autumn
The “Rising” of the “evening star” indicates the direction of the____________?
A. South Pole
B. East
C. West
D. North
The Planet which revolves slowly around the Sun is__________?
A. Mercury
B. Mars
C. Earth
D. Neptune
The Saturn rings discovered by___________?
A. Newton
B. Robert Brown
C. Galileo
D. None of these
Water has been discovered on which potentially habitable super-Earth ?
A. K2-14d
B. K2-15c
C. K2-13a
D. K2-18b
The lenses are used for the correction of:____________?
A. Long-sightedness
B. short sightedness
C. Both A & B
D. None of those
Nervous system includes which of these major components?
A. Brain
B. Brain & Back Bone
C. brain, spinal cord and neurons
D. None
Sound travels about ___________times faster in water than in air.
A. 2
B. 3
C. 4
D. 5
speed of sound in dry air at 20 °C is___________?
A. 353 m/s
B. 345 m/s
C. 343 m/s
D. none of them
Edward Genner discovered ‘vaccine’ in___________?
A. 1796
B. 1978
C. 1686
D. 1933
The biggest planet in solar system is ______ and having _____ moons?
A. Uranus , Sixteen
B. Jupiter, Seventy-nine
C. Saturn, Sixteen
D. Uranus, two
Dinosaurs and many other species were extinct about ________ years ago.
A. 55 million
B. 66 million
C. 75 million
D. 85 million
Animals use nitrogen in the form of_________?
A. Nitrogen
B. Nitrates
C. Nitrites
D. None of Above
Which is the purest form of water?
A. Rain water
B. Heavy water
C. Tap water
D. None of these
Chronometer is invented by________?
A. Robert Fulton
B. Nikola Tesla
C. Martin Cooper
D. John Harrison
Wisdom teeth normally grow between the age of___________?
A. 34-40
B. 17-30
C. 45-55
D. 10-17
There is a hole in the Ozone Layer at__________?
A. South Pole
B. North Pole
C. Both A and B
D. None of These
Which of the following letter does not represent in periodic table?
A. X
B. K
C. J
D. N
Which of the following science is considered “mother of all sciences”?
A. Biology
B. Mathematics
C. Physics
D. Chemistry
How is ammonia synthesized?
A. Herber process
B. Regrigration process
C. Contact process
D. All of these
Which of the following acid is used in Ink?
A. Valeric
B. Acetic
C. Formic
D. Tannic
Which of the following is a currency of Body cells?
Who is the known as the father of taxonomy?
A. Aristotle
B. Fransco Redi
C. Carolus Linnaeus
D. Rachel Carson
How many latitude lines are there?
A. 90
B. 180
C. 270
D. 360
What is the largest flower in the world?
A. Conifer
B. Fern
C. Rafflesia
D. Horsetail
Which of the following flower is called Queen of Water?
A. Rose
B. Lilly
C. Rafflesia
D. Tulip
Bubo bubo is the scientific name of which of the following species?
A. Hen
B. Peacock
C. Eagle
D. Owl
Albert Einstein was a____________?
A. Physicist
B. Physician
C. Chemist
D. Biologist
Other name of red blood cells is ____________?
A. Erythrocytes
B. Leukocytes
C. Thrombocytes
D. None of these
Other name of platelets _______?
A. Erythrocytes
B. Leukocytes
C. thrombocytes
D. None of these
Other name of white blood cells is _____________?
A. Erythrocytes
B. Leukocytes
C. Thrombocytes
D. None of these
Who invented steamboat?
A. James Watt
B. Robert Fluton
C. Frank Whittle
D. George Stephenson
Who discovered blood circulation?
A. Carl Linnaeus
B. Francis Crik
C. Robert. Brown
D. William Harvey
Who said that light is made of corpuscles/particles?
A. Maxwell
B. Einstein
B. Newton
D. Huygein
According to which law gas is directly proportional to temperature?
A. Charles Law
B. Boyles Law
C. Grams Law
D. Dalton’s Law
Fan was invented by___________?
A. Arthur Schimit
B. Alfered Nobel
C. Skaats Wheeler
D. None of these
__________ gas is released when coal is burnes in ln lack of Oxygen?
A. Carbon Dioxide
B. Methane
C. Ethene
D. Carbon Monoxide
Which gas is used to extinguish fire?
A. Nitrous Oxide
B. Methane
C. Carbon Dioxide
D. Carbon Dioxide & Nitrous Oxide
Which of following is the smallest endocrine gland in the human body?
A. Thyroid gland
B. Pituitary gland
C. Adrenal gland
D. Pineal gland
Another name of vitamin C is__________?
A. Ascorbic Acid
B. Acitic Acid
C. Citric Acid
D. Lysozyme
Which of the following gland has  shape of butterfly?
A. Thyroid gland
B. Pituitary gland
C. Adrenal gland
D. Pineal gland
What is the one of the other name of Vitamin “A”?
A. Riboflavin
B. Ascorbic Acid
C. Retinol
D. Thiamin
What is the name of the gas used in an air conditioner?
A. Ammonia
B. Nitrous oxide
C. Freon
D. CO2
Internal friction of fluid is called_________?
A. Viscosity
B. Surface tension
C. Resistance
D. Cohesive force
The process whereby energy is dissipated from the oscillating system is called__________?
A. Oscillation
B. Damping
C. Resonance
D. None of these
The movement of any solvent across a semipermeable membrane is called__________?
A. Osmosis
B. Cataphoresis
C. Electrolysis
D. Electrophoresis
Which of the following noble gases is not present in atmosphere?
A. Argon
B. Helium
C. Radon
D. Xenon
Which of the following noble gases is abundant in air?
A. Neon
B. Helium
C. Argon
D. Methane
Which law states that “equal volumes of all gases, at the same temperature and pressure, have the same number of molecules?
A. Boyle’s law
B. Charles’ law
C. Gay-Lussac’s law
D. Avogadro’s law
Which of the following waves have smallest velocity in vacuum?
A. Ultraviolet
B. Sound
C. Infra-Red
D. Micro
By which process does the smell of cooking spread to all the rooms in a house?
A. Distillation
B. Diffusion
C. Decomposition
D. Displacement
Which law states that the volume of a given amount of gas held at constant pressure is directly proportional to the Kelvin temperature?
A. Charles’ Law
B. Avogadro’s Law
C. Graham’s Law
D. Boyle’s law
Which law states that the rate of the effusion of a gas is inversely proportional to the square root of its density?
A. Graham’s Law
B. Gay-Lussac’s law
C. Boyle’s law
D. None of these
The turning effect of force is called_________?
A. Moment
B. Momentum
C. Torque
D. None of these
The photo-receptors in the eye are present in___________?
A. Cornea
B. Retina
C. Iris
D. Sclera
Which has the lowest pH?
A. Hepatic Bile
B. Gastric Juice
C. Saliva
D. Pancreatic Juice
Name the Scientist who stated that matter can be converted into energy?
A. Boyle
B. Einstein
C. Avogadro
D. Lavoisier
The most suitable unit for expressing nuclear radius is_______?
A. Angstrom
B. Micro
C. Nano meter
D. Fermi
Which of the following bonds are weakest in nature?
A. Single bond
B. Double bond
C. Triple bond
D. Hydrogen bond
The Study of human beauty is called____________?
A. Oncology
B. Agrostology
C. Kalology
D. Argology
What is Melioidosis?
A. Infectious disease
B. Loss of memory
C. Red spot in skin
D. Pain in joints
A Rhinoscope (or Nasoscope) is a thin, tube-like instrument used to examine the inside of the_____?
A. Eyes
B. Nose
C. Ears
D. Brains
______ soil is also called Regur soil?
A. Desert
B. Mountain
C. Black
D. Alluvial
The process of splitting water molecules in the presence of light energy is called_________?
A. Electrolysis
B. Photolysis
C. Radiolysis
D. Thermolysis
The contraction and expansion of the movement of the walls of the food pipe after entering the slightly digested food is known as ______ movement
A. Gastric
B. Diastolic
C. Peristaltic
D. Oscillatory
______ is the “Work done in moving a unit charge between two points in an electric circuit”?
A. Potential difference
B. Current
C. Power
D. Resistence
Tyndall effect is related to the ______ of light?
A. Reflection
B. Dispersion
C. Scattering
D. Refraction
Which of the following has not involuntary muscles?
A. Bigestive System
B. Blood Vessels
C. Heart
D. Brains
Involuntary muscles in a human body are present in__________?
A. Brain
B. Tongue
C. Digestive system
D. Limbs
Transistors do not need a warm up period because they have no ?
A. Plate
B. Grid
C. Filament
D. None of above
Which organ is considered as chemical factory of human body ?
A. Stomach
B. Intestine
C. Liver
D. Kidneys
The heaviest naturally-occurring element is_________?
A. Radium
B. Platinum
C. Uranium
D. Cadmium
The heaviest man made element found so for is__________?
A. Promethium
B. Ununoctium
C. Francium
D. Technetium
Which instrument is used for viewing the sun?
A. Stroboscope
B. Heliograph
C. Solograph
D. None of these
___________ is a strong smelling agent added to LPG cylinders to detect leakage?
A. Nitrogen Peroxide
B. Ethyl Mercaptan
C. Carbon Monoxide
D. Sulphur Dioxide
A crescograph is a device for measuring the growth in __________?
A. Micro Organism
B. Plants
C. Human
D. Pollution
Which of the following is used in water purification?
A. Reverse Osmosis
B. Osmosis
C. Cytolysis
D. Turgor Pressure
lightest metal is__________?
A. Lithium
B. Sodium
C. Magnesium
D. Aluminium
Which of the following pollutants in water causes “Minamata disease?
A. Methyl Mercury
B. Lead
C. Salmonella
D. Perchlorate
The process of converting wet waste to manure is___________?
A. Metabolism
B. Conservation
C. Incineration
D. Composting
Which of the following organisms releases molecular oxygen into water?
A. E.coli
B. Phytoplankton
C. Amoeba
D. Salmonella
A colloidal system in which a liquid is dispersed into a liquid is called_________?
A. Percipitate
B. Gel
C. Emulsion
D. Sol
Which metal is pure conductor of electricity?
A. Copper
B. Gold
C. Silver
D. lead
An example of rhizome is_________?
A. Carrot
B. Tomato
C. Ginger
D. Garlic
Which planet is called “red planet”?
A. Mars
B. Venus
C. Jupiter
D. Saturn
Which of these is a micronutrient of plants?
A. Oxygen
B. Nitrogen
C. Boron
D. Carbon
Diamond is harder than Graphite because of___________?
A. Difference in crystalline Structure
B. Tetrahedral structure of diamond
C. Difference in layer of atoms
D. None of these
A seed can germinate in the absence of__________?
A. Oxygen
B. Light
C. Moisture
D. Temperature
Tropism mostly refers to as_______?
A. Bird migration
B. Directional growth of a plant
C. Longevity of animal species
D. Behavioral pattern of human
“Green House Effect” means:____________?
A. Pollution
B. Prevention of ultraviolet rays
C. Trapping of Solar energy due to atmospheric carbon dioxide
D. D. None
Substance whose atoms can be split are known as __________ materials.
A. Fusionable
B. Fissionable
C. Combustible
D. None of these
Which waves are used in sonography?
A. Ultrasonic waves
B. Electromagnetic Waves
C. Fundamentals of waves
D. Transverse wave
Which instrument is used to measure the power of electric circuit ?
A. Wavemeter
B. Viscometer
C. Wattmeter
D. None of these
Which of the following invention is oldest ?
A. Clock
B. Microscope
C. Barometer
D. Cycle
What part of the brain controls thirst and hunger?
A. Thalamus
B. Hypothalamus
C. Aymgdala
D. None
Cover of the capsule is made of__________?
A. Paper
B. Polythene
C. Eggshell
D. Gelatin 
Birth control pills contain synthetic________?
A. Sugars
B. Hormones
C. Vitamins
D. Minerals
Hyetology is the study of__________?
A. High pressure
B. Rainfall
C. High temperature
D. Earthquake
The main cause of floods in the river is__________?
A. Heavy snowfall
B. Earthquakes
C. Deforestation
D. Construction of dams
All of the following organs in the human body are located both on the right and the left sides, except;_________?
A. Lungs
B. Kidneys
C. Spleen
D. Eyes
Which of the following is both endocrine and exocrine gland?
A. thyroid
B. pancreas
C. parathyroid
D. all of these
When sound waves travel from air to water which of the following quantities remains unchanged?
A. Speed
B. Frequency
C. Intensity
D. Wavelength
Sound travels in air at an average speed of nearly________ ?
A. 1257 miles per hour
B. 755 miles per hour
C. 330 miles per hour
D. None of these
Hepatitis C is a leading cause of_________?
B. Diabetes
C. Chronic Liver disease
“Gastric juice” is a secretion of the glands present in________?
A. Gall Bladder
B. Kidneys
C. Stomach
D. None of these
Isotopes of an element have the same number of _______?
A. Neutrons
B. Protons
C. Electrons
D. Beta rays
NASA scientists have recently detected water vapor on which Jupiter’s moon?
A. Callisto
B. Europa
C. lo
D. None
Name the animal which can live without water in its entire life?
A. Desert lizard
B. Camel
C. Kangaroo rat
D. Cuttlefish
Which of the following is the study of micro- organisms, mostly viruses and single called organisms such as bacteria, yeasts and protozoa ?
A. Microbiology
B. Micrology
C. Histopathology
D. Tavelogy
What’s the Strongest Muscle in the Human Body based on its weight?
A. Hands
B. Masseter
C. Neck
D. Legs
Which of the following protects the body against infectious disease and foreign invaders?
A. Leukocytes
B. Red blood cells
C. Endoplasmic reticulum (ER)
D. Golgi apparatus
Which of the following is commonly called a polyamide ?
A. Rayon
B. Nylon 
C. Terylene
D. Orion
Which of the following is not a chemical reaction ?
A. Burning of coal
B. Conversion of water into steam
C. Digestion of food
D. Burning of paper
Which of the following is used in beauty parlours for hair setting?
A. Silicon
B. Chlorine
C. Sulphur 
D. Phosphorus
Which one of the following is not a radioactive element ?
A. Cadmium
B. Thorium
C. Radium
D. Uranium
Which of the following is the world’s loudest bird ?
A. White bellbird 
B. Peacock
C. Piha
D. None of the above
Which one of the following non-metals is not a poor conductor of electricity?
A. Sulphur
B. Selenium
C. Bromine
D. Phosphorus
Eletromagneticism is the branch of___________?
A. Chemistry
B. Physics
C. Both
D. None of these
Second name of ethyl alcohol is___________?
A. Ethene
B. Ethanol
C. Propyle
D. none
Transistor is a device that convert weak signal into__________?
A. small signal
B. strong signal
C. both
D. none
Dioptre is a unit of measurement for __________ ?
A. Current
B. Lens
C. Force
D. Focal Length
Which of the following is a force?
A. Heat
B. Light
C. Magnetism 
D. Kinetic
What animal has longest gestation period of about 640 to 660 days or 95 weeks of any land animal ?
A. Blue Whale
B. Elephant
C. Opossum
D. None of these
A doctor who specializes in diseases of the nose?
A. Rhinologist
B. Otologist
C. Pathologist
D. Podiatrist
Which among the following types of lenses are prescribed by doctors for a patient suffering from astigmatism?
A. Cylindrical Lens  
B. Concave Lens
C. Spherical Lens
D. Convex Lens
A convex mirror always ___________ ?
A. Forms a real image
B. Forms a virtual image 
C. Forms an inverted image
D. Produces a larger image
The distance of a place South or North of equator is called__________?
None of these
The distance between the optical centre of a convex lens and its principal focus is called its_______?
A. Focal Length
B. Radius of Curvature
C. Power
D. Magnification
Why the colour of the Ocean appears blue?
A. Because the sunlight falling on it is scattered.
B. Because the sunlight falling on it is absorbed.
C. Because the sunlight falling on it is refracted.
D. Because the sunlight falling on it is reflected.
What type of a mirror is used in anti-shop-lifting-devices?
A. Convex mirror 
B. Concave mirror
C. Plane mirror
D. Both (b) and (c)
Which of the following pairs belong to the category of cold blooded animals?
A. Snakes and birds
B. Bat and rats
C. Frog and snakes
D. Birds and monkey
The human heart is _______ ?
A. Ampullary Heart
B. Pulsating Heart
C. Myogenic Heart
D. Neurogenic Heart
What is the scientific name of flying fish ?
A. Exocoetidae
B. Anoplopoma fimbria
C. Orthopsetta sordida
D. Xiphias gladius
The only vitamin which can not be stored in human body?
A. Vitamin C
B. vitamin D
C. vitamin K
D. None of these
What is the photometer?
A. Testing picture Quality
B. Measuring light Intensity
C. Measuring Size of Picture
D. Checking colors and Pictures
The study of the structure of the body is called _______ ?
A. Anthropobiology
B. Anatomy
C. Aphnology
D. Apiology
Botany is also called _______ ?
A. Phytology
B. Phycology
C. Pedology
D. Plantophyta
How many Number of eyes found in Earthworm?
A. One
B. Many
C. No eye
D. Two
The Study of growth is called ______ ?
A. Auxology
B. Autology
C. Avionics
D. Axiology
During rainy season Wooden doors are difficult to open or closure because of ________ ?
A. Plasmolysis
B. Imbibition
C. Osmosis
D. Diffusion
Only male frog produce croacking sound because _________ ?
A. Male frog can magnify their voice with the help of sound box.
B. Male frog have three pair of vocal cord
C. Female frog have larynx but no vocal cord
D. Female frog have no larynx
In context of environment, the term “dirty dozen” refers to _____?
A. 12 most harmful greenhouse gases
B. 12 ozone depleting substances
C. 12 persistent organic pollutants
D. None of the above
Disease which transferred from animal to Human is_________?
What is the Medical term for Fever?
A. HHypothermia
B. Pyrexia
C. Hypertension
D. Thermophilia
The valency of carbon Atom is __________ ?
A. 1
B. 2
C. 3
D. 4
What is the Chemical formula of Zinc Hydroxide _________ ?
A. Zn(OH)2
C. Zn2(OH)3
Permanent hardness of water due to sulphate of metals can be destroyed by the use of ________ ?
A. Zeolites
B. Sulphonides
C. Lime
D. Nitrates
The study of X-rays and their medical applications is called _________ ?
A. Radiology
B. Raciology
C. Rheumatology
D. Rheology
The protein Improtin-11, that was recently identified by scientists, is linked with causing which type of cancer?
A. Blood Cancer
B. Colorectal Cancer
C. Lung Cancer
D. Prostate Cancer
When an acid reacts with a metal, which one of the following gas is usually liberated?
A. Ammonia Gas
B. Chlorine
C. Oxygen
D. Hydrogen gas
Proton number is denoted by symbol __________ ?
A. M
B. Z
C. P
D. A
Elements which have same number of protons but different number of neutrons are called as _________ ?
A. Isotopes
B. Isomers
C. Allotropes
D. Allomers
Hydrogen bomb is based on the principle of ________ ?
A. Nuclear fusion
B. Artificial radioactivity
C. Natural radioactivity
D. Nuclear fission
Brass gets discoloured in air because of the presence of which of the following gases in air ________ ?
A. Carbon dioxide
B. Oxygen
C. Nitrogen
D. Hydrogen sulphide
A ‘breath test’ used by traffic police to check drunken driving uses ____?
A. Turmeric on filter paper
B. Silica gel coated with silver nitrate
C. potassium permanganate-sulphuric acid
D. Potassium dichromatic-sulphuric acid
What is the chemical formula for Sodium carbonate _______ ?
A. Na3CO2
B. CNa2O3
C. Na2CO3
D. Na3CO3
A mixture of sand and naphthalene can be separated by ________ ?
A. Chromatography
B. Fractional distillation
C. Sublimation
D. None of these
The M.K.S. system was first introduced by _________ ?
A. Giorgi
B. Archimedes
C. Eienstein
D. Newton
What is the chemical formula for Sulfuric acid?
A. C2H6O
B. CaSO4
C. C2H4O2
D. H2SO4
Which of the following is a diverse group of hydrophobic molecules?
A. Carbohydrates
B. Lipids
C. Proteins
D. Nucleic acids
What is the Molecular Formula for Glucose _______ ?
A. C4H10O6
B. C5H11O6
C. C6H12O6
D. S6H12O6
What is the third most common gas found in the air we breathe ________ ?
A. Hydrogen
B. Neon
C. Carbondioxide
D. Argon
What is the molecular formula for Ammonia?
B. NH2
C. NH3
D. NH4
What is the molecular weight of Ammonia (NH3) ________ ?
A. 17.031 g/mol
B. 18.031 g/mol
C. 19.031 g/mol
D. 27.033 g/mol
The absolute value of charge on electron was determined by ________ ?
A. J.J.Thomson
B. Chadwick
C. Rutherford
D. Robert Millikan
The discovery of neutron became very late because _______ ?
A. It does not carry any charge
B. It does not move
C. It is a fundamental particle
D. It is present in nucleus
The scientific study of fingerprints is called _________ ?
A. Dactylography
B. Dactylology
C. Dactyliology
D. Dialectology
The medical branch of science that deals with the study of skin, its functions, diseases, & treatment is ________ ?
A. Dermatology
B. Dormatology
C. Deontology
D. Dermatoglyphics
What is the molecular formula for Nitric acid ________ ?
C. HN2O2
D. H2NO4
Stethoscope was invented by _______ ?
A. Rene Laennec
B. Steven Sasson
C. Martin Cooper
D. Dave Hyatt
Oil rises up to wick in a lamp because_____________?
A. Oil is very light
B. Oil is volatile
C. Diffusion of oil through the wick
D. Capillary action phenomenon
Which of the following type of Coal, has maximum carbon content?
A. Peat
B. Lignite
C. Anthracite
D. Bituminious
Mostly which gases found of the planet Jupiter?
A. Hydrogen
B. Chlorine
C. Hydrogen and Helium
D. Neon
Who is the Father of Genetics?
A. Gregor Mendel
B. Alexendar
C. Darewin
D. Louis pasture
The temperature at which two conjugate solutions change into one homogeneous solution is called__________?
A. Azeotrope
B. Conjugate temperature
C. Consolute temperature
D. Eutectic point
If steel is heated to a temperature well below red heat and is then cooled slowly, the process is called_________?
A. Annealing
B. Quenching
C. Tempering
D. Nitriding
Pig iron is also called________?
A. Cast iron
B. Steel
C. Wrought iron
D. Stainless steel
Which of the following is a component of soap?
A. Sodium sulphate
B. Sodium stearate
C. Sodium chloride
D. Sodium nitrate
Soap and detergents remove the dirt from clothes due to__________?
A. Osmosis
B. Capillary action
C. Lowering of interfacial tension
D. Diffusion
Turpentine is obtained from___________?
A. Oak tree
B. Pine tree
C. Birch tree
D. Lemon tree
The PH of milk is __________?
A. 6.0
B. 6.5
C. 7.0
Newton’s Third Law of Motion?
A. every action there is an equal and opposite reaction.
B. attraction or repulsion between two charges
C. volume of a given mass of gas increases or decreases
D. temperature remaining constant, volume of a given mass of a gas varies inversely
Chemical formula for Water is _______ ?
A. NaAlO2
B. H2O
C. Al2O3
D. CaSiO3
The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is ________ ?
A. Argon
B. Xenon
C. Helium
D. Krypton
The gases used in different types of welding would include ___________?
A. Oxygen and hydrogen
B. Oxygen, hydrogen, acetylene and nitrogen
C. Oxygen, acetylene and argon
D. Oxygen and acetylene
The ozone molecule contains which type of bonding__________?
A. Dative bond
B. Covalent bond
C. Both A and B
D. Ionic Bond
The gas usually filled in the electric bulb is___________?
A. Nitrogen
B. Hydrogen
C. Carbon dioxide
D. Oxygen
Non stick cooking utensils are coated with________?
A. Black paint
C. Teflon
D. polystyrene
Which of the following are the ingredients of gun metal?
A. Iron, Zinc and Titanium
B. Iron and Tin
C. Iron, Brass and Tin
D. Copper, Tin and Zinc
LPG consists of mainly:___________?
A. Methane, Ethane and Hexane
B. Ethane, Hexane and Nonane
C. Methane, Hexane and Nonane
D. Methane, Butane and Propane
Study of “Aging” is called __________?
A. Gerontology
B. Hstologyh
C. Pysiology
D. Anthropology
Blood does not coagulate inside the body due to the presence of___________?
A. Haemoglobin
B. Fibrin
C. Heparin
D. Plasma
The light of distant stars is affected by __________ ?
A. The earth’s atmosphere
B. Interstellar dust
C. both A and B
D. None of these
Main and excessive part of plasma consists of ________?
A. Carbon dioxide
B. Oxygen
C. Water
D. Glucose
The expected number of RBCs in a single drop, or microliter, of blood is _________ million in Women.
A. 4.5 to 6.2 million
B. 3.4 to 6.8 million
C. 3.2 to 7.2 million
D. 4.0 to 5.2 million
The normal range of the number of white blood cells in a microliter of blood is between _________ ?
A. 2,500 and 09,300
B. 4,500 and 10,000
C. 4,900 and 12,000
D. None of these
The expected number of RBCs in a single drop, or microliter, of blood is _________ million in Men.
A. 4.5 to 6.2 million
B. 3.4 to 6.8 million
C. 3.2 to 7.2 million
D. 4.0 to 5.2 million
What is chemical symbol for Tungsten?
A. Z
B. T
C. Tn
D. W
Parkinson is a disease of_________?
A. Lungs
B. Eyes
C. Brain
D. Bones
How many calories are there in 1 gram of carbohydrate?
A. 2
B. 2
C. 4
D. 10.25
Water is 50 times more viscous than ____________ ?
A. Oil
B. Alcohol
C. Gases
D. Solid
1 yard =___________?
A. 3 feet
B. 6 feet
C. 2.4 feet
D. 12 feet
In human, Which body part develop first ?
A. Heart
B. Brain
C. Lungs
D. Kidneys
How many chambers are in the human heart ?
A. 02
B. 03
C. 04
D. 05
What do you mean by Phonetics?
A. Study of speech sounds
B. Study of language and rules
C. Study of insects
D. Study of meaning and syntax
How many Calories are there in 100 grams Natural Honey?
A. 107
B. 209
C. 304
D. 416
Places where the temperature of air is below freezing point of the water, the precipitation will be in the form of __________ ?
A. Snow
B. Lightning
C. Hailstorms
D. Thunders
Places where the temperature of air is above freezing point of the water, the precipitation will be in the form of ________ ?
A. Hailstorms
B. Thunders
C. Rain
D. Lightning
Very High Frequency (VHF) have __________ wavelengths?
A. shorter
B. shortest
C. longer
D. longest
Medium which sends signal from source to destination is known as ________ ?
A. Transmitter
B. Transmission channel
C. Receiver
D. Hardware
Vernal equinox of northern hemisphere in March marks season of __________ ?
A. Spring
B. Summer
C. Winter
D. Autumn
Electric motor was invented by __________ ?
A. Michael Faraday
B. Oliver Evans
C. Thomas Edison
D. Horace Day
Atom was a name given by ____________ ?
A. Democritus
B. Bohr
C. Rutherford
D. Archimedes
Example of gas having monoatomic molecules is ___________ ?
A. Nitrogen
D. Nydrogen
C. Neon and argon
D. Oxygen and nitrogen
Which part of the body is attacked by “Gingivitis” disease?
A. Eyes
B. Nails
C. Gums
D. Nostrils
How many bones are in human Eyes?
A. Three
B. Four
C. Five
D. Seven
Which Planet is known as Watery Planet?
A. Earth 
B. Mars
C. Jupiter
D. Mercury
Which is the Coldest Planet ?
A. Earth
B. Venus
C. Mercury
D. Neptune
The coldest region of the Earth’s atmosphere is__________?
A. Exosphere
B. Thermosphere
C. Stratopause
D. Mesopause
How many longitudes are there in Globe?
A. 90
B. 180
C. 270
D. 360
Joint in which bones are joined together by fibrous tissues is called _____________ ?
A. Fibrous joint
B. Cartilaginous joint
C. Synovial joint
D. Ball and socket joint
In whole Periodic Table which element Is Most Reducing Agent ?
A. Chlorine
B. lithium
C. Helium
D. Neon
Day and night are the results of__________?
A. Earth rotation around its axis
B. Earth revolution
C. Earth rotation accompanied with its revolution.
D. None of these
Almost identical eclipses occur after 18 years and 11 days. This cycle is known as__________?
A. Partial Eclipse cycle
B. Total Eclipse Cycle
C. Saros Cycle
D. None of the above
In which type of solar eclipse the Sun’s center is covered by the moon, leaving its edges uncovered?
A. Partial Solar Eclipse
B. Total Solar Eclipse
C. Annular Solar Eclipse
D. None of the above
Which of the following cutting conditions greatly affects the tool wear?
A. Cutting speed
B. Feed
C. Depth of cut
D. None of the above
Mercury, Venus, Earth and Mars are called___________?
A. Dwarf Planet
B. Gaseous Planets
C. Terrestrial Planets
D. Both A & B
Jupiter, Saturn, Uranus and Neptune are called_________?
A. Jovian planets
B. Terrestrial Planets
C. Both A & B
D. None of these
The Proportion of Hydrogen to Helium in the Sun is________?
A. 3:2
B. 3:1
C. 1:1
D. 3:4
The Renaissance scientist who explained how planets moved around the sun was
A. Kepler
B. Rebelais
C. Francis Bacorr
D. Gutenber
Virus is__________?
A. unicellular
B. multicellular
C. acellular
D. none of these
The main Constituent of Biogas is__________?
A. Methane 
B. Hydrogyn
C. Oxygen
D. Carbin dioxide
Lock Jaw i.e. difficulty in opening the mouth, is a symptom of___________?
A. Chlorea
B. Plague
C. Diphtheira
D. Tetanus
Insects responsible for transmitting diseases are called___________?
A. Drones
B. Vectors
C. Hybirds
D. None of these
Disease beri beri is because of___________?
A. Lack of green vegetables in diet
B. Use of milled rice
C. Deficiency of calcium in bones
D. Poor use of citrus fruits
The study of forces acting upon bodies in motion in the air is called__________?
A. Aeronautics
B. Aerophysics
C. Aerodynamics
D. Aerofraction
The study of geographical areas, plants and animal distribution is called_________?
A. Cosmetology
B. Chorology
C. Osteology
D. Mycology
A branch of medicine dealing with eyes and related diseases is called_________?
A. Opthalmology
B. Obstetrics
C. Physiology
D. Haematology
Vitamin B1 is also known as____________?
A. Riboflavin
B. Retinol
C. Thiamine
D. Niacin
Vitamin B2 is also called as__________?
A. Riboflavin
B. Thiamine
C. Ascorbic Acid
D. Niacin
Vitamin B3 is also known as__________?
A. Thiamine
B. Riboflavin
C. Niacin
D. Retinol
Which of the following is nutritional deficiency disease?
A. Albinism
B. Cirrhosis
C. Rabies
D. Pellagra
Deficiency diseases are caused due to the deficiency of___________?
A. Proteins
B. Vitamins
C. Carbohydrates
D. Fats
Which of the following is not a contagious disease?
A. Hysteria
B. Measles
C. Typhoid
D. Influenza
Vector of Kala-azar disease is___________?
A. Sandfly
B. Dragonfly
C. Mosquito
D. Housefly
Who discovered the Solar system ?
A. Copernicus
B. Newton
C. Galileo
D. Kepler
A chronometer meter measures__________?
A. Sound waves
B. Time
C. Color contrast
D. Water waves
Which two organs glands are affected by malaria?
A. Lungs and heart
B. Spleen and liver
C. Kidneys and lungs
D. Heart and brain
Amnesia is related to:__________?
A. Sleeping sickness
B. Loss of sight
C. Loss of hearing
D. Loss of memory 
Which of the following is not a mosquito born disease?
A. Dengue fever
B. Malaria
C. Sleeping sickness
D. Filariasis
Sleeping sickness in the natives of Africa is caused by________?
A. Trichomonas
B. Giardia
C. Leishmania
D. Trypanosoma
‘ELISA’ test is employed to diagnose?
A. Corona virus
B. AIDS antibodies
C. Tuberculosis bacterium
D. Cancer
Who was the surgeon who pioneered antiseptic surgery in 1865?
A. Edward Jenner
B. Joseph Lister
C. Henry William
D. John Sleeman
Who discovered the Polio Vaccine?
A. Jonas Salk
B. Jaber Ibn Hayan
C. Selman Waksman
D. None of these
Fathom is the unit of measurement for__________?
A. Sound
B. Depth
C. Energy
D. Time
Red blood cells are produced in_________?
A. Liver
B. Heart
C. Spleen
D. Bone-marrow
Which of the following is used for hearing the sound of heart and lungs?
A. Steroscope
B. Stethoscope
C. Oscillator
D. Oncolator
The first cloned animal was____________?
A. Goat
B. Cow
C. Rat
D. Sheep 
Keeping of Birds Called___________?
A. Apiculture
B. Aviculture
C. Viniculture
D. Viticulture
1 Coulomb = ___________ e.
A. 6×10-19
B. 6.25×1018
C. 1.6×1019
D. 6.25×10-18
Ageusia is the loss of which sense?
A. Taste
B. Smell
C. Memory
D. Sight
E. Listening
Any disease or infection that is naturally transmissible from vertebrate animals to humans is called?
A. Zonoses
B. Zoonoses
C. Ananoses
D. Chordnoses
Mach number is used in connection with the speed of___________?
A. Ship
B. Light
C. Sound
D. aircraft
If the level of atmospheric pollution increases:
A. The length of the day will increases
B. The length of the day will decreases
C. The length of the day will remain same
D. None of these
The natural source of hydrocarbon is:___________?
A. Crude oil
B. Biomass
C. Coal
D. Carbohydrates
Bt seed is associated with:___________?
A. Rice
B. Wheat
C. Cotton
D. Oilseed
Sound of frequency below 20 Hz is:___________?
A. Audiosonic
B. Infrasonic
C. Ultrasonic
D. Supersonic
What is the wavelength of visible spectrum:
A. 1300-3000A
B. 3900-7600A
C. 7800-8000A
D. None of these
Optic fibers are mainly used for which of the following:
A. Communication
B. Weaving
C. Food indudtry
D. None of these
Aviation fuel for Jet Aeroplanes consists of purified________?
A. Petrol
B. Kerosene
C. Gasoline
D. Diesel
The best conductor of heat among liquid is___________?
A. Water
B. Mercury
C. Ether
D. Alcohol
Vitamins were discovered by__________?
A. Moesley
B. Chadwick
C. Frank Whittle
D. Casimir Funk
Blood is cleaned by __________?
A. Lungs
B. Liver
C. Heart
D. Kidneys
To which of the following chambers of the heart, is the aorta connected?
A. Left ventricle
B. Right ventricle
C. Right auricle
D. Left auricle
The tread mills training is prescribed for the injured athlete for the purpose of improving his/her_________?
A. Muscle strength
B. Stability of the body
C. Range of motion
D. Muscle endurance
By which hormone High Blood Sugar level can be controlled in stomach?
A. Glucose
B. Insulin
C. Thyroxin
D. Non-Apinefreen
Ultra Microscopic viruses are the main cause of__________?
A. Malaria
B. Measles
C. Mumps
D. Cholera
Deficiency of vitamin C will cause:__________?
A. Beri-Beri
B. Architis
C. Scurvy
D. Night-blindness
Sagittarius-A, the Blackhole at the centre of the Milky Way Galaxy is at a distance of_________?
A. 25500 Lightyears
B. 24500 Lightyears
C. 23640 Lightyears
D. 25640 Lightyears 
How many teeth does a dog have?
A. 42
B. 45
C. 46
D. 47
Gravitation force of earth is___________?
A. 9.80 m/s²
B. 7.21 m/s²
C. 1.62 m/s²
D. None of these
BCG vaccine is used to produce immunity against___________?
A. Whooping cough
B. Tuberculosis
C. Virus fever
D. Smallpox
The Tree sends down roots from its branches to the soil is known as:___________?
A. Oak
B. Pine
C. Banyan
D. Palm
Which of the following is used as a lubricant?
A. Graphite
B. Silica
C. Diamond
D. Iron oxide
The element common to all acids is:__________?
A. Hydrogen
B. Carbon
C. Sulphur
D. Oxygen
Carbon,Diamond and Graphite are together called:___________?
A. Allotrope
B. Isomers
C. Isomorphs
D. Isotopes
Most soluble in water is:__________?
A. Camphor
B. Sulphur
C. Common salt
D. Sugar
Radiations are harmful as it:___________?
A. Causes skin cancer
B. Causes anemia
C. Alters body tissue
D. is unstable
An active asteroid is discovered near ________ Orbit for the first time in billion years.
A. Saturn
B. Mars
C. Neptune
D. Jupiter
What is the name of the Active asteroid discovered near Jupiter?
A. 2019 Jup1036
B. 2019 JR10A
C. 2019 LD2
D. 2019 AA1
Which of the following is solid?
A. Water
B. Stone
C. Both
D. None
Molasses is a byproduct of ______ Factory ?
A. Fertilizer
B. Cotton seed oil
C. Sugar
D. Banaspati Ghee
Carbon dioxide was discovered by_______?
A. Niels Bohr
B. Amedeo Avogadro
C. Joseph Black
D. None of Above
Symbol of Iron is__________?
A. Na
B. Fr
C. Fe
D. Zn
An ordinary mobile phone communicate by using___________?
A. Sound waves
B. Infrared waves
C. UV waves
D. Radio waves
Which of the following disease affects the skin ?
A. Rickets
B. Osteoporosis
C. Anemia
D. Pellagra
Milk contains water
A. 70%
B. 75%
C. 87%
D. 90%
Only planet whose day is longer than its year is__________?
A. Mercury
B. Neptune
C. Venus
D. None of These
A force applied on a body through the string is called_________?
A. Weight
B. Momentum
C. Tension
D. Torque
Which gas is used for artificial ripening of green fruit ?
A. Carbon dioxide
B. Acetylene
C. Ethane
D. Ethylene
Sunsets on Mars are _________?
A. Red
B. Blue
C. Yellow
D. Orange
Crude Oil is heated in the furnace up to _________?
A. 300°C
B. 350°C
C. 400°C
D. 450°C
Inflammation of liver is caused by____________?
A. Cholera
B. Hepatitis
C. Typhoid
D. Jaundice


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