CSS[FPSC-U.S. Civil Service Commission]-USA/[USA] CURRENT AFFAIRS MCQ GENERAL SCIENCE Sample Test,Sample questions

Question:
1 light year =

1.9.5×106 km

2.9.5×109 km

3.9.5×1012 km

4.9.5×1018 km


Question:
A camera uses a ____ to form an image.

1.convex lens

2.concave lens

3.condenser lens

4.none of these


Question:
According to Big Bang Theory, the Universe began about ________ billion years ago.

1.10 - 20

2.20 - 30

3.30 - 40

4.40 - 50


Question:
At night, Plants intake _____ and release ______.

1.Oxygen, Carbon dioxide

2.Carbon dioxide, Oxygen

3.Oxygen, Carbon monoxide

4.Carbon monoxide, Oxygen


Question:
Biosensor is used to measure?

1.Blood glucose level

2.The body pH value

3.Amount of hemoglobin

4.Salinity in Urine


Question:
Blood is cleaned by

1.Lungs

2.Liver

3.Heart

4.Kidneys


Question:
Carrot is good source of vitamin

1.A

2.B complex

3.C

4.D


Question:
Deficiency of Vitamin-D results in

1.night blindness

2.rickets

3.scurvy

4.hair fall


Question:
Deficiency of ________ causes loss of appetite and poor growth

1.zinc

2.iodine

3.copper

4.iron


Question:
Digestion of food is completed in the

1.small intestine

2.large intestine

3.stomach

4.Liver


Question:
During winter in cold countries, the ____ is mixed to melt the ice on the icy roads.

1.Salt

2.Chlorine

3.Carbon dioxide

4.Water


Question:
Each day human body breathe in ___ liters of air.

1.5,000 to 10,000

2.10,000 to 15,000

3.15,000 to 20,000

4.20,000 to 25,000


Question:
Effects of having Thiamine deficiency are:

1.Muscle weakness

2.Central nervous system and Cardiovascular problems

3.Heart disease and Beri beri disease

4.All of these


Question:
Einsteins famous equation which states that mass and energy are interchangeable is

1.E = mc2

2.E = cm2

3.M = ec2

4.M = ce2


Question:
For proper formation of teeth, _______ is essential.

1.iodine

2.copper

3.fluorine

4.iron


Question:
GPS is an abbreviation for

1.Global Poles System

2.Global PolySiliconium Store

3.Global Positioning System

4.Global Position Structure


Question:
Hypovolaemia can be treated by:

1.Oral replacement solution

2.5% dextrose

3.Colloid Solution

4.0.6% Saline


Question:
In a very low temperature which from the following will freeze at last?

1.River water

2.Canal water

3.Sea water

4.Water in a lake


Question:
In general, Comets have _____ orbits.

1.Elliptical

2.Highly elliptical

3.Circular

4.Parabolic


Question:
In the solar system, the Great Spot is on the planet

1.Saturn

2.Venus

3.Mars

4.Jupiter


Question:
Oxidation is a chemical reaction involving the

1.Gain of Electrons

2.Loss of Electrons

3.Gain of Protons

4.Loss of Protons


Question:
Quartz is a crystalline mineral composed of Silicon and _____ atoms.

1.Carbon

2.Hydrogen

3.Oxygen

4.Aluminum


Question:
Sound waves are ____ waves.

1.Transverse

2.Electromagnetic

3.Longitudinal

4.none of these


Question:
The average adult has a blood volume of about ___ liters.

1.4

2.5

3.6

4.7


Question:
The bodyguard of the Earth is _____ that save the Earth from many Comets and Asteroids.

1.Mars

2.Saturn

3.Uranus

4.Jupiter


Question:
The fluid part of blood is known as

1.plasma

2.platelets

3.blood cells

4.hormones


Question:
The Great Spot is a

1.Mountain

2.Desert

3.Frozen Carbon dioxide

4.Storm


Question:
The lifespan of White Blood Cells is ___ day(s).

1.1

2.2

3.3

4.4


Question:
The most abundant element in the Earths crust is

1.Oxygen

2.Hydrogen

3.Carbon Dioxide

4.Silicon


Question:
The most abundant element in the universe is

1.Oxygen

2.Hydrogen

3.Carbon Dioxide

4.Silicon


Question:
The most densest substance on the Earth is

1.Platinum

2.Copper

3.Steel

4.Osmium


Question:
The nearest planet to the Earth is

1.Venus

2.Mercury

3.Mars

4.Moon


Question:
The planet that moves round the Sun at the highest speed is

1.Jupiter

2.Venus

3.Mars

4.Mercury


Question:
The planet which is easily visible from the Earth is

1.Mercury

2.Venus

3.Mars

4.Jupiter


Question:
The planets visible to us without using a telescope are

1.3

2.4

3.5

4.6


Question:
The position of an element in the Periodic Table is determined by its _____ number.

1.Electron

2.Proton

3.Neutron

4.Positron


Question:
The principal constituent of the atmosphere of the Earth is

1.Oxygen

2.Carbon

3.Hydrogen

4.Nitrogen


Question:
The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in ___ of sea water.

1.1 gram

2.10 grams

3.1 kg

4.10 kg


Question:
The SI unit of electric current is

1.Coulomb

2.Ampere

3.Volt

4.Watt


Question:
The SI unit of pressure is

1.pascal

2.joule

3.tesla

4.henry


Question:
The speed of light is

1.280,000 km/s

2.300,000 km/s

3.320,000 km/s

4.none of these


Question:
The Sun is a/an

1.Star

2.Planet

3.Asteroid

4.Meteor


Question:
Urine is produced in

1.Kidneys

2.Lungs

3.Large intestine

4.Liver


Question:
What is Dry Ice?

1.Solid Oxygen

2.Solid Carbon Dioxide

3.Solid Hydrogen

4.Solid Nitrogen


Question:
When the Cardiac output decreased?

1.On standing up

2.On cutting the vagus nerves to the heart

3.As a consequence of decreased pressure in the carotid sinus

4.By increasing the end-diastolic volume of the heart


Question:
Which are the three primary colours?

1.White, Black, Blue

2.Red, Yellow, Blue

3.Red, Orange, Blue

4.Red, Green, Blue


Question:
Which from the following is NOT a conductor?

1.Aluminium

2.Silicon

3.Graphite

4.All are conductors


Question:
Which of the following statements is true about drug Imodium?

1.Slows the rate at which the stomach and oesophagus move

2.Encourages water and electrolytes reabsorption

3.Decrease density of stools

4.None of these


Question:
X-rays were discovered by

1.Rontgen

2.Thomson

3.Rutherford

4.Bacquerel


Question:
______ is the partial or complete wasting away of a part of a body.

1.Atrophy

2.Leprosy

3.Tetanus

4.Noma


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