Everyday Science Mcqs - Set 1

1)   Which is the outermost planet in the solar system?

a. Mercury
b. Pluto
c. Neptune
d. Uranus
Answer  Explanation 

ANSWER: Neptune

Explanation:
No explanation is available for this question!


2)   Severe deficiency of Vitamin D results in __________.

a. scurvy
b. rickets
c. night blindness
d. osteomalacia
Answer  Explanation 

ANSWER: rickets

Explanation:
No explanation is available for this question!


3)   The SI unit of charge is __________?

a. Ampere
b. Coulomb
c. Ohm
d. Volt
Answer  Explanation 

ANSWER: Coulomb

Explanation:
No explanation is available for this question!


4)   Long-sight defect could be corrected by using __________ lens?

a. concave
b. Convex
c. diverging
d. none of these
Answer  Explanation 

ANSWER: Convex

Explanation:
No explanation is available for this question!


5)   Deficiency of Vitamin-A results in __________?

a. Night blindness
b. rickets
c. scurvy
d. hair fall
Answer  Explanation 

ANSWER: Night blindness

Explanation:
No explanation is available for this question!


6)   For a fixed mass of gass at constant temperature, if we decrease volume, the pressure will _________?

a. also decrease
b. increase
c. remains constant
d. none of these
Answer  Explanation 

ANSWER: increase

Explanation:
No explanation is available for this question!


7)   The lifespan of Red Blood Cells is __________ days?

a. 60
b. 120
c. 180
d. 240
Answer  Explanation 

ANSWER: 120

Explanation:
No explanation is available for this question!


8)   The density of water is __________?

a. 1 g/cm³
b. 1.5 g/cm³
c. 2 g/cm³
d. none of these
Answer  Explanation 

ANSWER: 1 g/cm³

Explanation:
No explanation is available for this question!


9)   Radioactivity was discovered by __________?

a. Kelvin
b. Thomson
c. Rutherford
d. Bacquerel
Answer  Explanation 

ANSWER: Bacquerel

Explanation:
No explanation is available for this question!


10)   A device which converts chemical energy into electrical energy is called __________?

a. motor
b. generator
c. moving-coil meter
d. battery
Answer  Explanation 

ANSWER: battery

Explanation:
Batteries are devices that convert stored chemical energy into useful electrical energy. It consists of a number of voltaic cells connected in series by a conductive electrolyte containing anions and cations. A battery may be thought of as a clever variant of a standard exothermic chemical reactor that yields chemical products with lower energy content than the chemical reactants.

Also read about A device that converts mechanical energy into electric energy is called_______?


11)   The Sun is a __________?

a. Star
b. Planet
c. Asteroid
d. Meteor
Answer  Explanation 

ANSWER: Star

Explanation:
No explanation is available for this question!


12)   The gas used in a refrigerator to cool water is___________?

a. Nitrogen
b. Carbon dioxide
c. Methane
d. Ammonia
Answer  Explanation 

ANSWER: Ammonia

Explanation:
No explanation is available for this question!


13)   The average adult has a blood volume of about __________ liters.

a. 4
b. 5
c. 6
d. 7
Answer  Explanation 

ANSWER: 5

Explanation:
No explanation is available for this question!


14)   The most abundant element in the universe is __________.

a. Oxygen
b. Hydrogen
c. Carbon Dioxide
d. Silicon
Answer  Explanation 

ANSWER: Hydrogen

Explanation:
Hydrogen is the most abundant element in the Universe; helium is second. However, after this, the rank of abundance does not continue to correspond to the atomic number; oxygen has abundance rank 3, but atomic number 8.


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

a. Oxygen
b. Hydrogen
c. Carbon Dioxide
d. Silicon
Answer  Explanation 

ANSWER: Oxygen

Explanation:
No explanation is available for this question!


16)   Each day human body breathe in __________ liters of air.

a. 5,000 to 10,000
b. 10,000 to 15,000
c. 15,000 to 20,000
d. 20,000 to 25,000
Answer  Explanation 

ANSWER: 15,000 to 20,000

Explanation:
No explanation is available for this question!


17)   Deficiency of Vitamin-D results in __________?

a. night blindness
b. rickets
c. scurvy
d. hair fall
Answer  Explanation 

ANSWER: rickets

Explanation:
No explanation is available for this question!


18)   The SI unit of “pressure” is _________.

a. pascal
b. joule
c. tesla
d. henry
Answer  Explanation 

ANSWER: pascal

Explanation:
No explanation is available for this question!


19)   The most densest substance on the Earth is __________.

a. Platinum
b. Copper
c. Steel
d. Osmium
Answer  Explanation 

ANSWER: Osmium

Explanation:
No explanation is available for this question!


20)   A camera uses a __________ to form an image.

a. convex lens
b. concave lens
c. condenser lens
d. none of these
Answer  Explanation 

ANSWER: convex lens

Explanation:
No explanation is available for this question!


21)   Which from the following is NOT a conductor?

a. Aluminium
b. Gold
c. Graphite
d. All are conductors
Answer  Explanation 

ANSWER: All are conductors

Explanation:
No explanation is available for this question!


22)   CNG stands for?

a. Converted Natural Gas
b. Conduced Natural Gas
c. Conducted Natural Gas
d. Compressed Natural Gas
Answer  Explanation 

ANSWER: Compressed Natural Gas

Explanation:
No explanation is available for this question!


23)   Which from the following is true for “Sound”?

a. Sound cannot travel through a vacuum
b. Sound cannot travel through gases
c. Sound cannot travel through liquids
d. Sound cannot travel through solids
Answer  Explanation 

ANSWER: Sound cannot travel through a vacuum

Explanation:
No explanation is available for this question!


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

a. 5
b. 6
c. 7
d. 8
Answer  Explanation 

ANSWER: 7

Explanation:
Dispersion by a Prism: If a prism is placed in a room and a narrow beam of white light is allowed to fall on one of its refracting faces, it is found that light coming out from the other face of the prism is split in to seven colors i.e violet, indigo, blue, green, yellow, orange and red. This phenomenon is called dispersion at light. The phenomenon of splitting of white light into its seven constituent colors is called dispersion of light.


25)   1 nanometer = ?

a. 10⁻³ meter
b. 10⁻⁶ meter
c. 10⁻⁹ meter
d. 10⁻12 meter
Answer  Explanation 

ANSWER: 10⁻⁹ meter

Explanation:
No explanation is available for this question!


26)   Instrument used for measuring very high temperature is __________?

a. Pyroscope
b. Pyrometer
c. Seismograph
d. Xylometer
Answer  Explanation 

ANSWER: Pyrometer

Explanation:
No explanation is available for this question!


27)   Sound waves are _________ waves.

a. Transverse
b. Electromagnetic
c. Longitudinal
d. none of these
Answer  Explanation 

ANSWER: Longitudinal

Explanation:
No explanation is available for this question!


28)   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
Answer  Explanation 

ANSWER: 5 – 21 days

Explanation:
White blood cells are made inside the bone marrow and stored in your blood and lymphatic tissues. Because some white blood cells have a short lifespan of one to three days, your bone marrow is constantly making them.

WBC have short life span of 5 – 21 days. The lymphocytes are developed in the lymph glands. after which time they are destroyed in the lymphatic system.White blood cells act as antibodies and provide strength to body’s immune system. WBC are also known as leucocytes.

Difference Between RBC and WBC

Red blood cells (RBC)

1. They do not have nucleus at maturity
2. They possess haemoglobin and are red

3. They help in transport of respiratory gases.

4. They are about 5 million/ mm3 of blood.

5. Life span 120 days

6. In the embryonic stage the RBC are formed in the live and spleen. But after birth, they are formed in the red bone marrow. The process of formation of RBC is known as erythropoiesis.

White blood cells (WBC)

1. They have a large characteristic nucleus
2. They are colourless as they have no pigment

3. They help in defence mechanism

4. They are about 7000/mm3 of blood

5. WBC have short life span of 5-21 days

6. WBC are formed in the red bone marrow. The process of formation of WBC is known as leucopoiesis.


29)   The fluid part of blood is known as __________?

a. plasma
b. platelets
c. blood cells
d. None of these
Answer  Explanation 

ANSWER: plasma

Explanation:
No explanation is available for this question!


30)   During winter in cold countries, the __________ is mixed to melt the ice on the icy roads.

a. Salt
b. Chlorine
c. Carbon dioxide
d. Water
Answer  Explanation 

ANSWER: Salt

Explanation:
No explanation is available for this question!


31)   In a very low temperature which from the following will freeze at last?

a. River water
b. Canal water
c. Sea water
d. Water in a lake
Answer  Explanation 

ANSWER: Sea water

Explanation:
No explanation is available for this question!


32)   The nearest planet to the Earth is _________?

a. Venus
b. Mercury
c. Mars
d. Moon
Answer  Explanation 

ANSWER: Venus

Explanation:
The Total distance from Mars to Earth is 78,340,000 kilometers (48,678,200 miles).
The Total distance from Venus and our planet Earth is 41,400,000 kilometers (25,724,800 miles). so Venus is the nearest planet to the Earth. As the two closest planets to Earth, people have known both Venus and Mars existed since the ancient time. Venus, the second planet from the sun, is closer to Earth than Mars. Mars gets more publicity, however, because it has conditions that seem right for liquid water, or even life.


33)   The planet that moves round the Sun at the highest speed is_________?

a. Jupiter
b. Venus
c. Mars
d. Mercury
Answer  Explanation 

ANSWER: Mercury

Explanation:
Mercury
Mercury is the fastest planet, which speeds around the sun at 47.87 km/s. In miles per hour this equates to a whopping 107,082 miles per hour.


34)   In general, Comets have __________ orbits

a. Elliptical
b. Highly elliptical
c. Circular
d. Parabolic
Answer  Explanation 

ANSWER: Highly elliptical

Explanation:
No explanation is available for this question!


35)   GPS is an abbreviation for?

a. Global Poles System
b. Global PolySiliconium Store
c. Global Positioning System
d. Global Position Structure
Answer  Explanation 

ANSWER: Global Positioning System

Explanation:
No explanation is available for this question!


36)   Oxidation is a chemical reaction involving the __________?

a. Gain of Electrons
b. Loss of Electrons
c. Gain of Protons
d. Loss of Protons
Answer  Explanation 

ANSWER: Loss of Electrons

Explanation:
No explanation is available for this question!


37)   At night, Plants intake __________ and release __________?

a. Oxygen – Carbon dioxide
b. Carbon dioxide – Oxygen
c. Oxygen – Carbon monoxide
d. Carbon monoxide – Oxygen
Answer  Explanation 

ANSWER: Oxygen – Carbon dioxide

Explanation:
No explanation is available for this question!


38)   Urine is produced in __________?

a. Kidneys
b. Lungs
c. Large intestine
d. Liver
Answer  Explanation 

ANSWER: Kidneys

Explanation:
No explanation is available for this question!


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

a. Electron
b. Proton
c. Neutron
d. Positron
Answer  Explanation 

ANSWER: Proton

Explanation:
No explanation is available for this question!


40)   The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in __________ of sea water.

a. 1 gram
b. 10 grams
c. 1 kg
d. 10 kg
Answer  Explanation 

ANSWER: 1 kg

Explanation:
No explanation is available for this question!


41)   The planet which is easily visible from the Earth is?

a. Mercury
b. Venus
c. Mars
d. Jupiter
Answer  Explanation 

ANSWER: Venus

Explanation:
No explanation is available for this question!


42)   The Great Spot is on the planet __________?

a. Saturn
b. Venus
c. Mars
d. Jupiter
Answer  Explanation 

ANSWER: Jupiter

Explanation:
No explanation is available for this question!


43)   1 light year = ?

a. 9.5×10 6 km
b. 9.5×10 9 km
c. 9.5×10 12 km
d. 9.5×10 18 km
Answer  Explanation 

ANSWER: 9.5×10 12 km

Explanation:
No explanation is available for this question!


44)   The bodyguard of the Earth is __________ that save the Earth from many Comets and Asteroids.

a. Mars
b. Saturn
c. Uranus
d. Jupiter
Answer  Explanation 

ANSWER: Jupiter

Explanation:
No explanation is available for this question!


45)   The planets visible to us without using a telescope are __________?

a. 3
b. 4
c. 5
d. 6
Answer  Explanation 

ANSWER: 5

Explanation:
There are 5 planets visible without a telescope, Mercury, Venus, Mars, Jupiter and Saturn. The largest planet in our solar system by far is Jupiter.


46)   According to Big Bang Theory, the Universe began about __________ billion years ago.

a. 10 – 20
b. 20 – 30
c. 30 – 40
d. 40 – 50
Answer  Explanation 

ANSWER: 10 – 20

Explanation:
No explanation is available for this question!


47)   Biosensor is used to measure?

a. Blood glucose level
b. The body pH value
c. Amount of hemoglobin
d. Salinity in Urine
Answer  Explanation 

ANSWER: Blood glucose level

Explanation:
No explanation is available for this question!


48)   Einstein’s famous equation which states that mass and energy are interchangeable is?

a. E = mc²
b. E = cm²
c. M = ec²
d. M = ce²
Answer  Explanation 

ANSWER: E = mc²

Explanation:
No explanation is available for this question!


49)   The SI unit of electric current is?

a. Coloumb
b. Ampere
c. Volt
d. Watt
Answer  Explanation 

ANSWER: Ampere

Explanation:
No explanation is available for this question!


50)   The principal constituent of the atmosphere of the Earth is?

a. Oxygen
b. Carbon
c. Hydrogen
d. Nitrogen
Answer  Explanation 

ANSWER: Nitrogen

Explanation:
No explanation is available for this question!