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

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

(A) HNO3
(B) CN

(C) HCl
(D) AlCl3

βœ… Correct Answer: CN

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

(A) Carbohydrates
(B) Insulin

(C) Cholesterol
(D) Epinephrine

βœ… Correct Answer: Insulin

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

βœ… Correct Answer: 1 - 14

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

βœ… Correct Answer: Earth is revolving round the sun

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

The SI base unit for mass is_____________...?

(A) Gram
(B) Pound

(C) Kilogram
(D) Ounce

βœ… Correct Answer: Kilogram

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

(A) Nuclear fusion
(B) Artificial radioactivity

(C) Natural radioactivity
(D) Nuclear fission

βœ… Correct Answer: Nuclear fusion

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Maximum biological damage is caused by ____________...?

(A) Gamma rays
(B) Alpha rays

(C) Beta rays
(D) Microwaves

βœ… Correct Answer: Gamma rays

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

(A) 32°F
(B) 0°F

(C) 212°F
(D) None of these

βœ… Correct Answer: 32°F

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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.

βœ… Correct Answer: the birth rate is high in developing countries

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Coleoptile is a structure found in _____...?

(A) Maize Seed
(B) Bean Seed

(C) Both A and B
(D) None

βœ… Correct Answer: Maize Seed

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Cover of the capsule is made of__________...?

(A) Paper
(B) Polythene

(C) Eggshell
(D) Gelatin

βœ… Correct Answer: Gelatin

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

(A) – 2O°C
(B) – 10°C

(C) + 10°C
(D) + 20°C

βœ… Correct Answer: – 10°C

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

βœ… Correct Answer: Rising tide while meeting river currents

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

SONAR is based on the principle of___________...?

(A) Echo
(B) reverberation

(C) resonance
(D) None of these

βœ… Correct Answer: Echo

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

A movable pulley is used as ______...?

(A) Speed multiplier
(B) Force multiplier

(C) Direction changer
(D) Load reducer

βœ… Correct Answer: Force multiplier

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

(A) Richter Scale
(B) Beaufort Scale

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

βœ… Correct Answer: Beaufort Scale

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which of the following principleis used to produce β€˜low-temperatures’ ...?

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

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

βœ… Correct Answer: Adiabatic demagneti-sation

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

β€œBeaufort Scale” is used to measure____________...?

(A) Wind Velocity
(B) Air Pressure

(C) Wind Direction
(D) Humidity

βœ… Correct Answer: Wind Velocity

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

βœ… Correct Answer: Degree of hardness of minerals

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

βœ… Correct Answer: Also blow (blast)

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

βœ… Correct Answer: Solid molecules are packed tightly

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

βœ… Correct Answer: Father to son

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Cyclone is basically:...?

(A) Violently rotating column of air
(B) Large system of winds

(C) Permanently frozen layer
(D) None of these

βœ… Correct Answer: Large system of winds

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Source: This question is taken from the Assistant (BS-16) Code-53 PPSC Past Paper

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

βœ… Correct Answer: Air temperature

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

β€œGastric juice” is a secretion of the glands present in________...?

(A) Gall Bladder
(B) Kidneys

(C) Stomach
(D) None of these

βœ… Correct Answer: Stomach

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Foundation of life based on _____...?

(A) Physical foundation
(B) Biological foundation

(C) Environmental foundation
(D) Chemical foundation

βœ… Correct Answer: Chemical foundation

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

βœ… Correct Answer: Use of milled rice

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

βœ… Correct Answer: An equal and opposite pressure acts from inside

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Frozen dew is also known as________...?

(A) Frost
(B) Black ice

(C) Frozen ice
(D) Black hail

βœ… Correct Answer: Black ice

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

βœ… Correct Answer: pitch

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Which vegetable is also a flower __________...?

(A) Lady Finger
(B) Broccoli

(C) Tomato
(D) None of these

βœ… Correct Answer: Broccoli

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

βœ… Correct Answer: Visible

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

βœ… Correct Answer: 8 electrons in valence shell

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

βœ… Correct Answer: Remains same

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

(A) Cirrostratus
(B) Stratocumulus

(C) Altocumulus
(D) Cirrus

βœ… Correct Answer: Stratocumulus

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

(A) Gas
(B) Liquid

(C) Solid
(D) All three

βœ… Correct Answer: All three

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

βœ… Correct Answer: pitch

Comments

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

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

βœ… Correct Answer: Non-Conductor

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

(A) Antiduretic Harmone
(B) Luteinising Harmone

(C) Melanophore stimulating Harmone
(D) Adrenocorticotrophic Harmone

βœ… Correct Answer: Adrenocorticotrophic Harmone

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

(A) Adenine
(B) Thymine

(C) Tracil
(D) Cytosine

βœ… Correct Answer: Tracil

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

Richer Scale is used for measuring _____...?

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

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

βœ… Correct Answer: Strength of an earthquake

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

βœ… Correct Answer: Iris is unable to dilate the pupil immediately

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

(A) Hardness
(B) Humidity

(C) Pressure
(D) Temperature

βœ… Correct Answer: Hardness

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

βœ… Correct Answer: Maximum in position A

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

βœ… Correct Answer: E. none of these

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Source: This question is taken from the Everyday Science

πŸ’‘ English word par Double-Click karein: Urdu meaning + pronunciation πŸ”Š

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

(A) Uric acid
(B) Lactic acid

(C) Oxalacetic acid
(D) Fyruvie acid

βœ… Correct Answer: Lactic acid

Comments

Source: This question is taken from the Everyday Science

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