Which of the following is a Lewis base...? Mcqs

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Which of the following is a Lewis base...?

(A) HNO3
(B) CN

(C) HCl
(D) AlCl3

✅ Correct Answer: CN

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Source: This question is taken from the Everyday Science

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“Beaufort Scale” is used to measure____________...?

(A) Wind Velocity
(B) Air Pressure

(C) Wind Direction
(D) Humidity

✅ Correct Answer: Wind Velocity

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Source: This question is taken from the Everyday Science

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It is possible to recognize a person in the dark by simply hearing his unique voice . It is because of the_______...?

(A) pitch
(B) Frequency

(C) Time period
(D) Quality

✅ Correct Answer: pitch

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Source: This question is taken from the Everyday Science

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Frozen dew is also known as________...?

(A) Frost
(B) Black ice

(C) Frozen ice
(D) Black hail

✅ Correct Answer: Black ice

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Source: This question is taken from the Everyday Science

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In winter an iron pipe feel colder than a wooden window . This is because wood is_______...?

(A) Conductor
(B) Non-Conductor

(C) Semi- Conductor
(D) Not a solid while iron is a solid

✅ Correct Answer: Non-Conductor

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Source: This question is taken from the Everyday Science

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The season changes because of the ____________...?

(A) Moon is revolving round the earth
(B) Earth is revolving round its axis

(C) Earth is revolving round the sun
(D) Planet Mars is attracting the sun

✅ Correct Answer: Earth is revolving round the sun

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Source: This question is taken from the Everyday Science

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A rectangular piece of wood is kept in 3 different ways (A, B, C) on a table. Pressure exerted by the wood on the table will be ____...?

(A) Maximum in position A
(B) Maximum in position B

(C) Maximum in position C
(D) None

✅ Correct Answer: Maximum in position A

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Source: This question is taken from the Everyday Science

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Richer Scale is used for measuring _____...?

(A) Strength of an earthquake
(B) Sound waves

(C) Pollution of atmosphere
(D) None of these

✅ Correct Answer: Strength of an earthquake

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Source: This question is taken from the Everyday Science

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Two bulbs are connected in a series circuit. One bulb blows (blast), what will happen to the other bulb...?

(A) Will glow brighter
(B) Also blow (blast)

(C) Remains same
(D) Will glow dimmer

✅ Correct Answer: Also blow (blast)

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Source: This question is taken from the Everyday Science

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Bore is caused by______...?

(A) Rising tide while meeting river currents
(B) Friction from prevailing winds

(C) Spring tide and strong winds
(D) Unequal heating of oceans

✅ Correct Answer: Rising tide while meeting river currents

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Source: This question is taken from the Everyday Science

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When a ray of sunlight enters a dark room , its straight path become visible because of dust particles hanging in the air. It is because light is _________...?

(A) Visible
(B) Transparent

(C) Invisible
(D) opaque

✅ Correct Answer: Visible

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Source: This question is taken from the Everyday Science

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What measurement scale is used to determine wind speed...?

(A) Richter Scale
(B) Beaufort Scale

(C) Meter-second scale
(D) None of these

✅ Correct Answer: Beaufort Scale

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Source: This question is taken from the Everyday Science

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Coleoptile is a structure found in _____...?

(A) Maize Seed
(B) Bean Seed

(C) Both A and B
(D) None

✅ Correct Answer: Maize Seed

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Source: This question is taken from the Everyday Science

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Which vegetable is also a flower __________...?

(A) Lady Finger
(B) Broccoli

(C) Tomato
(D) None of these

✅ Correct Answer: Broccoli

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Source: This question is taken from the Everyday Science

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The pH scale is a measure of the acidity or alkalinity of a solution, and it ranges between ____...?

(A) 1 - 10
(B) 1 - 14

(C) 5 - 15
(D) 0 - 12

✅ Correct Answer: 1 - 14

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Source: This question is taken from the Everyday Science

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Mohs’ Scale” is used to indicate the_________...?

(A) Degree of hardness of minerals
(B) Degree of viscosity of a liquid

(C) Degree of elasticity of a material
(D) Degree of brittleness of a substance

✅ Correct Answer: Degree of hardness of minerals

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Source: This question is taken from the Everyday Science

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A movable pulley is used as ______...?

(A) Speed multiplier
(B) Force multiplier

(C) Direction changer
(D) Load reducer

✅ Correct Answer: Force multiplier

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Source: This question is taken from the Everyday Science

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“Gastric juice” is a secretion of the glands present in________...?

(A) Gall Bladder
(B) Kidneys

(C) Stomach
(D) None of these

✅ Correct Answer: Stomach

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Source: This question is taken from the Everyday Science

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Sound travel faster in solid as compare to gases because of ______...?

(A) Gas molecules are packed loosely
(B) Sound does not travel faster through a solid than a gas

(C) Solid molecules are packed tightly
(D) Gas molecules move faster

✅ Correct Answer: Solid molecules are packed tightly

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Source: This question is taken from the Everyday Science

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The SI standard of time is based on_____________...?

(A) the daily rotation of the earth
(B) the frequency of light emitted by Kr86

(C) the yearly revolution of the earth about the sun
(D) a precision pendulum clock

✅ Correct Answer: E. none of these

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Source: This question is taken from the Everyday Science

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A burning candle is an example of ______ state of matter....?

(A) Gas
(B) Liquid

(C) Solid
(D) All three

✅ Correct Answer: All three

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Source: This question is taken from the Everyday Science

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Noble gases are stable because they contain _____...?

(A) 4 electrons in valence shell
(B) 6 electrons in valence shell

(C) 8 electrons in valence shell
(D) 10 electrons in valence shell

✅ Correct Answer: 8 electrons in valence shell

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Source: This question is taken from the Everyday Science

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Maximum biological damage is caused by ____________...?

(A) Gamma rays
(B) Alpha rays

(C) Beta rays
(D) Microwaves

✅ Correct Answer: Gamma rays

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Source: This question is taken from the Everyday Science

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Hydrogen bomb is based on the principle of ________ ...?

(A) Nuclear fusion
(B) Artificial radioactivity

(C) Natural radioactivity
(D) Nuclear fission

✅ Correct Answer: Nuclear fusion

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Source: This question is taken from the Everyday Science

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Blood glucose level is raised by the following except __________...?

(A) Carbohydrates
(B) Insulin

(C) Cholesterol
(D) Epinephrine

✅ Correct Answer: Insulin

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Source: This question is taken from the Everyday Science

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Cover of the capsule is made of__________...?

(A) Paper
(B) Polythene

(C) Eggshell
(D) Gelatin

✅ Correct Answer: Gelatin

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Source: This question is taken from the Everyday Science

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A Fahrenheit thermometer indicates a temperature of ‘ 14°F. its corresponding reading on the Celsius scale will be _________...?

(A) – 2O°C
(B) – 10°C

(C) + 10°C
(D) + 20°C

✅ Correct Answer: – 10°C

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Source: This question is taken from the Everyday Science

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SONAR is based on the principle of___________...?

(A) Echo
(B) reverberation

(C) resonance
(D) None of these

✅ Correct Answer: Echo

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Source: This question is taken from the Everyday Science

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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

✅ Correct Answer: Iris is unable to dilate the pupil immediately

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Source: This question is taken from the Everyday Science

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Addison’s disease is caused by the deficiency of____________...?

(A) Antiduretic Harmone
(B) Luteinising Harmone

(C) Melanophore stimulating Harmone
(D) Adrenocorticotrophic Harmone

✅ Correct Answer: Adrenocorticotrophic Harmone

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Source: This question is taken from the Everyday Science

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The SI base unit for mass is_____________...?

(A) Gram
(B) Pound

(C) Kilogram
(D) Ounce

✅ Correct Answer: Kilogram

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Source: This question is taken from the Everyday Science

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Which among the following is not the type of nitrogenous bases...?

(A) Adenine
(B) Thymine

(C) Tracil
(D) Cytosine

✅ Correct Answer: Tracil

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Source: This question is taken from the Everyday Science

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In middle latitudes, which cloud will have the lowest base ________________________ ...?

(A) Cirrostratus
(B) Stratocumulus

(C) Altocumulus
(D) Cirrus

✅ Correct Answer: Stratocumulus

Comments

Source: This question is taken from the Everyday Science

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In human the Y chromosome is passed to next generation from...?

(A) Father to son
(B) Mother to son

(C) Father to daughter
(D) Mother to daughter

✅ Correct Answer: Father to son

Comments

Source: This question is taken from the Everyday Science

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Which of the following principleis used to produce ‘low-temperatures’ ...?

(A) Super conductivity
(B) Joule-Kelvin effect

(C) Thermo-electric effect
(D) Adiabatic demagneti-sation

✅ Correct Answer: Adiabatic demagneti-sation

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Source: This question is taken from the Everyday Science

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Foundation of life based on _____...?

(A) Physical foundation
(B) Biological foundation

(C) Environmental foundation
(D) Chemical foundation

✅ Correct Answer: Chemical foundation

Comments

Source: This question is taken from the Everyday Science

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It is possible to recognize a person in the dark by simply hearing his unique voice . It is because of the_______...?

(A) pitch
(B) Frequency

(C) Time period
(D) Quality

✅ Correct Answer: pitch

Comments

Source: This question is taken from the Punjab Police Sub Inspector Service Quota PPSC Past Paper

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Mohus scale is used for to measure ____________...?

(A) Hardness
(B) Humidity

(C) Pressure
(D) Temperature

✅ Correct Answer: Hardness

Comments

Source: This question is taken from the Everyday Science

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Muscle fatigue is caused by the accumulation of___________...?

(A) Uric acid
(B) Lactic acid

(C) Oxalacetic acid
(D) Fyruvie acid

✅ Correct Answer: Lactic acid

Comments

Source: This question is taken from the Everyday Science

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It is observed that the total pressure exerted by air on the man of average size is around 14.7 lb wt. per square inch. But the man feels quite comfortable,. It is because of__________...?

(A) An equal and opposite pressure acts from inside
(B) of the height of a man

(C) of gravity
(D) Earth pulls the man upward

✅ Correct Answer: An equal and opposite pressure acts from inside

Comments

Source: This question is taken from the Everyday Science

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Two bulbs are connected in a parallel circuit. One bulb blows (blast), what will happen to the other bulb...?

(A) Also blow (blast)
(B) Go out (be turned off)

(C) Glows brighter
(D) Remains same

✅ Correct Answer: Remains same

Comments

Source: This question is taken from the Everyday Science

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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

✅ Correct Answer: Use of milled rice

Comments

Source: This question is taken from the Everyday Science

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The earth’s atmosphere is divided into layers based on the vertical profile of __________...?

(A) Air pressure
(B) Air temperature

(C) Air density
(D) Wind speed

✅ Correct Answer: Air temperature

Comments

Source: This question is taken from the Everyday Science

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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.

✅ Correct Answer: the birth rate is high in developing countries

Comments

Source: This question is taken from the Everyday Science

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The melting point of Ice on Fahrenheit Scale is taken as _____...?

(A) 32°F
(B) 0°F

(C) 212°F
(D) None of these

✅ Correct Answer: 32°F

Comments

Source: This question is taken from the Everyday Science

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