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

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

(A) HNO3

(B) CN

(C) HCl

(D) AlCl3

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Coleoptile is a structure found in _____...?

(A) Maize Seed

(B) Bean Seed

(C) Both A and B

(D) None

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

(A) Gas

(B) Liquid

(C) Solid

(D) All three

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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

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Cover of the capsule is made of__________...?

(A) Paper

(B) Polythene

(C) Eggshell

(D) Gelatin

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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

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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

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SONAR is based on the principle of___________...?

(A) Echo

(B) reverberation

(C) resonance

(D) None of these

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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

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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

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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

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

(A) Cirrostratus

(B) Stratocumulus

(C) Altocumulus

(D) Cirrus

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Foundation of life based on _____...?

(A) Physical foundation

(B) Biological foundation

(C) Environmental foundation

(D) Chemical foundation

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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

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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

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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

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

(A) Uric acid

(B) Lactic acid

(C) Oxalacetic acid

(D) Fyruvie acid

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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

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Which vegetable is also a flower __________...?

(A) Lady Finger

(B) Broccoli

(C) Tomato

(D) None of these

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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

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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

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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

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

(A) Carbohydrates

(B) Insulin

(C) Cholesterol

(D) Epinephrine

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

(A) Wind Velocity

(B) Air Pressure

(C) Wind Direction

(D) Humidity

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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

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

(A) Adenine

(B) Thymine

(C) Tracil

(D) Cytosine

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

(A) Hardness

(B) Humidity

(C) Pressure

(D) Temperature

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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

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A movable pulley is used as ______...?

(A) Speed multiplier

(B) Force multiplier

(C) Direction changer

(D) Load reducer

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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

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

(A) Nuclear fusion

(B) Artificial radioactivity

(C) Natural radioactivity

(D) Nuclear fission

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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

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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

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The SI base unit for mass is_____________...?

(A) Gram

(B) Pound

(C) Kilogram

(D) Ounce

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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

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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

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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

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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

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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

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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.

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Maximum biological damage is caused by ____________...?

(A) Gamma rays

(B) Alpha rays

(C) Beta rays

(D) Microwaves

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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 _________...?

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

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