MCQs Study

Everyday Science MCQs Set 10

The function of white blood cells is:

A. Carry oxygen
B. Fight infections
C. Produce insulin
D. Produce bile

Which vitamin helps in vision?

A. Vitamin C
B. Vitamin D
C. Vitamin A
D. Vitamin K

The chemical formula of water is:

A. CO2
B. H2
C. H2O
D. O2

Which planet is known as the Red Planet?

A. Venus
B. Jupiter
C. Mars
D. Mercury

The part of the eye that controls the amount of light entering is:

A. Lens
B. Retina
C. Cornea
D. Iris

What is the main component of bones?

A. Collagen
B. Fat
C. Calcium
D. Iron

The Earth’s inner core is made mostly of:

A. Oxygen
B. Iron and Nickel
C. Carbon
D. Magnesium

Which process do plants use to release oxygen?

A. Respiration
B. Photosynthesis
C. Fermentation
D. Transpiration

The largest internal organ in humans is:

A. Heart
B. Kidney
C. Liver
D. Stomach

The unit of electric current is:

A. Volt
B. Ampere
C. Ohm
D. Watt

Everyday Science MCQs Set 9

Which organ pumps oxygenated blood to the body?

A. Lungs
B. Kidney
C. Heart
D. Liver

The natural satellite of the Earth is:

A. Mars
B. Moon
C. Venus
D. Sun

Lightning is caused by:

A. Friction between clouds
B. Electric discharge
C. Earthquakes
D. Magnetic storms

Which gas makes up about 21% of Earth’s atmosphere?

A. Nitrogen
B. Carbon dioxide
C. Oxygen
D. Argon

The process by which plants lose water through leaves is called:

A. Evaporation
B. Transpiration
C. Condensation
D. Sublimation

The largest planet in our solar system is:

A. Earth
B. Saturn
C. Jupiter
D. Uranus

The unit of electric resistance is:

A. Ampere
B. Ohm
C. Volt
D. Watt

The part of the eye that focuses light on the retina is:

A. Cornea
B. Iris
C. Lens
D. Pupil

The gas used in balloons to make them float is:

A. Oxygen
B. Nitrogen
C. Helium
D. Carbon dioxide

The study of weather is called:

A. Seismology
B. Meteorology
C. Volcanology
D. Oceanography

Everyday Science MCQs Set 8

The process by which plants make their own food is called:

A. Respiration
B. Photosynthesis
C. Digestion
D. Transpiration

The boiling point of water at sea level is:

A. 90°C
B. 80°C
C. 100°C
D. 120°C

Which gas do humans inhale for survival?

A. Carbon dioxide
B. Nitrogen
C. Oxygen
D. Hydrogen

The main source of energy for the Earth is:

A. Moon
B. Sun
C. Stars
D. Earth’s core

Which part of the plant absorbs water from the soil?

A. Stem
B. Flower
C. Roots
D. Leaf

The hardest natural substance on Earth is:

A. Gold
B. Silver
C. Diamond
D. Quartz

The chemical symbol for water is:

A. H2
B. O2
C. H2O
D. CO2

Humans have how many teeth in adulthood?

A. 28
B. 30
C. 32
D. 32

The organ responsible for pumping blood in humans is:

A. Liver
B. Lungs
C. Heart
D. Kidney

Which planet is known as the Red Planet?

A. Venus
B. Mercury
C. Jupiter
D. Mars

Everyday Science MCQs Set 7

The half life of a radioactive element is 8 days. How long will it take to reduce it from 10mg to 5mg?

(a) 4 days                  

(b) 12 days             

(c) 16 days            

(d) 8 days

The term “Blue Shift” is used to indicate:

(a) Doppler effect in which an object appears bluer when it is moving toward the observer or observer is moving toward the object

(b) Turning a star from white to blue

(c) In future sun would become blue

(d) Black hole was blue at its start   

Kilowatt-hour is a unit of:

(a) Power                  

(b) Electric current     

(c) Energy                     

(d) Time                 

Fuel used in Fast Breeder Reactor is:

(a) Uranium oxide                                    

(b) Uranium plutonium carbide

(c) Uranium Plutonium oxide              

(d) Uranium thorium oxide

Monsoon is caused by:

(a) Seasonal reversal of winds            

(b) Revolution of earth

(c) Movement of the clouds                       

(d) Rise in temperature

Which of the following atmospheric layers helps in radio communication?

(a) Exosphere          

(b) Ionosphere      

(c) Troposphere  

(d) Stratosphere

A moderator is used in nuclear reactor in order to:

(a) Accelerate the neutrons                        

(b) Slow down the speed of the neutrons

(c) Increase the number of electrons 

(d) Decrease the number of electrons 

Sedimentary rocks are:

(a) Porous                 

(b) Hard                   

(c) Rough              

(d) Brittle

Which one of the following is a metal?

(a) Gypsum              

(b) Limestone        

(c) Iron                  

(d) Granite

What is used in making of alloys?

(a) Chromium          

(b) Granite              

(c) Gypsum           

(d) Limestone

Everyday Science MCQs Set 6

Acoustics is the science of:

(a) Light                     

(b) Waves               

(c) Sound              

(d) Colours

The art of breeding Silkworm and production of Silk is called:

(a) Microbiology     

(b) Sericulture       

(c) Biochemistry  

(d) Horticulture

The science of celestial bodies is known as:

(a) Agronomy          

(b) Coprology        

(c) Astrology        

(d) Astronomy

Telepathy is:

(a) Communication by sensory perceptions

(b) Communication between mind and heart

(c) Communication by means other than sensory perceptions

(d) None of these

Pedagogy is the science of:

(a) Seeing                  

(b) Behaving          

(c) Teaching         

(d) Learning

Study of maps and features of the Universe is called:

(a) Metaphysics      

(b) Cosmography  

(c) Cosmology     

(d) Cartography

Scientific study and measurement of behaviour is called:

(a) Psychiatry           

(b) Psychology      

(c) Physiology      

(d) Psychoanalysis

Paediatrics is relevant to:

(a) Children              

(b) Pregnant women 

(c) Old people                 

(d) Bones

Seasonal migration of men and animals from lower to higher altitudes during the summer is known as:

(a) Nomadism          

(b) Migration         

(c) Transhumance                              

(d) Pastoralism

One of the infectious diseases conveyed from one person to another through air is:

(a) Cholera               

(b) Scarlet fever    

(c) Tuberculosis  

(d) Maiana

Everyday Science MCQs Set 5


The best colour(s) for a sun umbrella will be:

(a) Black                                                      

(b) Black on top and white on the inside

(c) White on top and black on the inside                          

(d) All seven colours of rainbow

A light year is:

(a) 8.46 trillion kilometres                           

(b) 9.46 trillion kilometres

(c) 10.46 trillion kilometres                         

(d) None of these

What is the main component of bones and teeth?

(a) Calcium carbonate                                  

(b) Calcium phosphate 

(c) Calcium sulphate                                     

(d) Calcium nitrate

The human cell contains:

(a) 44 chromosomes   

(b) 48 chromosomes                              

(c) 46 chromosomes 

(d) 23 chromosomes

The strongest muscles in the human body is found in:

(a) Hands

(b) Masseter          

(c) Neck

(d) Legs

A colour television set makes colours by mixing light of which three different colours?

(a) Blue, green and yellow                           

(b) Blue, red and yellow

(c) Blue, green and red                                                          

(d) Green, black and red

Which is the least conductor of electricity among the following?

(a) Silver

(b) Iron                    

(c) Copper            

(d) Wood

The red colour of the blood is due to the presence of a pigment known as:

(a) Chlorophyll

(b) Insulin               

(c) Bile

(d) Haemoglobin

Light travels from Sun to Earth in:

(a) 2 minutes

(b) 4 minutes         

(c) 8.5 minutes    

(d) 6.5 minutes

Velocity of sound in air is:

(a) 250 m/s

(b) 331 m/s            

(c) 343 m/s           

(d) 561 m/s

Everyday Science MCQs Set 4

Carbon dioxide enters a leaf of a plant via:

(a) Stomata               

(b) Stem                              

(c) Roots                          

(d) Flowers

Kharif crops include:

(a) Wheat               

(b) Cotton                          

(c) Both of these                          

(d) None of these

Genetically Modified Organism (GMO) is the term used for the organism produced through the application of:

(a) Genetic Engineering               

(b) Mendelian Genetics                         

(c) Both of these                          

(d) None of these

Ginger is a:

(a) Tuber 

(b) Rhizome       

(c) Bulb    

(d) None of these

Which of the following is useful in keeping the cholesterol level down?

(a) Garlic                   

(b) Papaya              

(c) Grapes             

(d) Turmeric

The hardest substance known is:

(a) Diamond           

(b) Steel                  

(c) Platinum          

(d) Iron

People prefer to wear white clothes during summer because they:

(a) Look nice & cool                                       

(b) Do not absorb heat

(c) Absorb heat                                         

(d) None of these

Only one planet in the solar system has any atmosphere which is:

(a) Earth                    

(b) Mercury           

(c) Pluto                

(d) Venus

Richter scale is used to measure the intensity of:

(a) Sea waves           

(b) Winds                

(c) Earthquakes  

(d) Hurricanes

Which of the following is not a leap year?

(a) 1896                     

(b) 1902                  

(c) 1904                 

(d) 1908

Everyday Science MCQs Set 3

The process of photosynthesis in plants takes place in:

(a) Stem                  

(b) Leaf                    

(c) Flower             

(d) Root

Which of the following substances is used in match sticks?

(a) Zinc                      

(b) Sulphur             

(c) Phosphorous 

(d) Acid

Which component of the diet prevents constipation?

(a) Minerals              

(b) Fiber                  

(c) Protein            

(d) Vitamins

Which food contains the highest concentration of protein and iron?

(a) Fruits 

(b) Vegetables   

(c) Bread 

(d) Meat

Substances which bring down the body temperature are known as:

(a) Antibiotics          

(b) Analgesics        

(c) Antipyretics   

(d) Formalin

An enzyme which converts a dipeptide into separate amino acids is an example of:

 (a) Decarboxylase 

(b) Hydrolase     

(c) Oxidoreductase            

(d) Transferase

Recording of brain waves from outer surface of head is called:

(a) E.C.G.                   

(b) MRI                    

(c) C.T. scans        

(d) E.E.G

What are vaccines?

(a) Same as monoclonal antibodies

(b) Treated bacteria or viruses or one of their proteins

(c) MHC proteins                                     

(d) Strands of nucleic acids

The gas used in advertising lights is:

(a) Helium                 

(b) Carbon dioxide     

(c) Neon                       

(d) Argon

Which of the following is a renewable source of energy?

(a) Coal                      

(b) Gas                     

(c) Electricity        

(d) Water

Everyday Science MCQs Set 2

Method for the preparation of varnish was discovered by:

(a) Jabir bin Hayyan                                      

(b) Muhammad bin Zikrya Al-Razi

(c) Al-Beruni                                              

(d) Ibn al-Haitham

Enzymes are made of:

(a) Oil                         

(b) Carbon              

(c) Silica                 

(d) Proteins

One ounce is equal to how many grams?

(a) 28.65                    

(b) 27.95

(c) 28.35        

(d) 28.85

Only object of earth can be seen from Moon. What is it?

(a) A Lighthouse                                       

(b) Hanging Garden

(c) Great Wall of China                               

(d) None of these

Wind blowing in a spiral form around a region of low atmospheric pressure is a:

 (a) Hurricane           

(b) Cyclone             

(c) Anticyclone    

(d) Tornado

When the days and nights are equal, the rays of the sun directly fall on the:

(a) Equator               

(b) Tropic of Cancer   

(c) South Pole             

(d) North Pole

The shortest bone in the human body is:

(a) Vertebrae           

(b) Stapes               

(c) Phalanges       

(d) Metacarpals

Wisdom teeth normally grow between the ages of:

(a) 34 and 40           

(b) 17 and 30         

(c) 45 and 55        

(d) 10 and 17

ECG is used for diagnosis of ailments related to _____________.

(a) Brain                    

(b) Kidneys             

(c) Heart               

(d) Respiratory System    

Meteorology is the science of _____________.

(a) Meteorites        

(b) Planets              

(c) Weather         

(d) Metals

Everyday Science MCQs Set 1


Earth takes about ______ to complete 1 rotation around its axis.

(a) 48 hours            

(b) 24 hours           

(c) One month    

(d) None of these

When a gas turns into a liquid, the process is called ______.

(a) Deposition    

(b) Evaporation 

(c) Condensation            

(d) None of these

Yeast used in making of bread is a ______.

(a) Fungus         

(b) Plant  

(c) Bacteria         

(d) None of these

The disease diphtheria affects the ______ in the human body.

(a) Kidneys        

(b) Throat          

(c) Intestines     

(d) None of these

Liquids that evaporate quickly are known as ______ liquids.

(a) Viscous                

(b) Volatile             

(c) Transient        

(d) None of these

If a ship travels from freshwater to a sea or ocean, it will:

(a) Sink completely

(b) Rise a little higher                             

(c) Sink a little lower  

(d) None of these

Which one of the following is a good source of potassium?

(a) Beetroot             

(b) Bananas            

(c) Spinach          

(d) None of these

What is the chemical name of bleaching powder?

(a) Calcium Hypochlorite         

(b) Calcium Chlorate

(c) Calcium Chloride                                      

(d) None of these

The most abundant element in earth’s crust is:

(a) Silicon                 

(b) Oxygen             

(c) Aluminium      

(d) None of these

Who invented paper?

(a) Egyptians           

(b) Spanish             

(c) French             

(d) Chinese