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

Posted Date:-2021-07-28 02:42:50


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

1.convex lens

2.concave lens

3.condenser lens

4.none of these

Posted Date:-2021-07-28 02:42:50


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

Posted Date:-2021-07-28 02:42:50


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

1.Oxygen, Carbon dioxide

2.Carbon dioxide, Oxygen

3.Oxygen, Carbon monoxide

4.Carbon monoxide, Oxygen

Posted Date:-2021-07-28 02:42:50


Question:
Biosensor is used to measure?

1.Blood glucose level

2.The body pH value

3.Amount of hemoglobin

4.Salinity in Urine

Posted Date:-2021-07-28 02:42:50


Question:
Blood is cleaned by

1.Lungs

2.Liver

3.Heart

4.Kidneys

Posted Date:-2021-07-28 02:42:50


Question:
Carrot is good source of vitamin

1.A

2.B complex

3.C

4.D

Posted Date:-2021-07-28 02:42:50


Question:
Deficiency of Vitamin-D results in

1.night blindness

2.rickets

3.scurvy

4.hair fall

Posted Date:-2021-07-28 02:42:50


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

1.zinc

2.iodine

3.copper

4.iron

Posted Date:-2021-07-28 02:42:50


Question:
Digestion of food is completed in the

1.small intestine

2.large intestine

3.stomach

4.Liver

Posted Date:-2021-07-28 02:42:50


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

Posted Date:-2021-07-28 02:42:50


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

Posted Date:-2021-07-28 02:42:50


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

Posted Date:-2021-07-28 02:42:50


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

Posted Date:-2021-07-28 02:42:50


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

1.iodine

2.copper

3.fluorine

4.iron

Posted Date:-2021-07-28 02:42:50


Question:
GPS is an abbreviation for

1.Global Poles System

2.Global PolySiliconium Store

3.Global Positioning System

4.Global Position Structure

Posted Date:-2021-07-28 02:42:50


Question:
Hypovolaemia can be treated by:

1.Oral replacement solution

2.5% dextrose

3.Colloid Solution

4.0.6% Saline

Posted Date:-2021-07-28 02:42:50


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

Posted Date:-2021-07-28 02:42:50


Question:
In general, Comets have _____ orbits.

1.Elliptical

2.Highly elliptical

3.Circular

4.Parabolic

Posted Date:-2021-07-28 02:42:50


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

1.Saturn

2.Venus

3.Mars

4.Jupiter

Posted Date:-2021-07-28 02:42:50


Question:
Oxidation is a chemical reaction involving the

1.Gain of Electrons

2.Loss of Electrons

3.Gain of Protons

4.Loss of Protons

Posted Date:-2021-07-28 02:42:50


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

1.Carbon

2.Hydrogen

3.Oxygen

4.Aluminum

Posted Date:-2021-07-28 02:42:50


Question:
Sound waves are ____ waves.

1.Transverse

2.Electromagnetic

3.Longitudinal

4.none of these

Posted Date:-2021-07-28 02:42:50


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

1.4

2.5

3.6

4.7

Posted Date:-2021-07-28 02:42:50


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

1.Mars

2.Saturn

3.Uranus

4.Jupiter

Posted Date:-2021-07-28 02:42:50


Question:
The fluid part of blood is known as

1.plasma

2.platelets

3.blood cells

4.hormones

Posted Date:-2021-07-28 02:42:50


Question:
The Great Spot is a

1.Mountain

2.Desert

3.Frozen Carbon dioxide

4.Storm

Posted Date:-2021-07-28 02:42:50


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

1.1

2.2

3.3

4.4

Posted Date:-2021-07-28 02:42:50


Question:
The most abundant element in the Earths crust is

1.Oxygen

2.Hydrogen

3.Carbon Dioxide

4.Silicon

Posted Date:-2021-07-28 02:42:50


Question:
The most abundant element in the universe is

1.Oxygen

2.Hydrogen

3.Carbon Dioxide

4.Silicon

Posted Date:-2021-07-28 02:42:50


Question:
The most densest substance on the Earth is

1.Platinum

2.Copper

3.Steel

4.Osmium

Posted Date:-2021-07-28 02:42:50


Question:
The nearest planet to the Earth is

1.Venus

2.Mercury

3.Mars

4.Moon

Posted Date:-2021-07-28 02:42:50


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

1.Jupiter

2.Venus

3.Mars

4.Mercury

Posted Date:-2021-07-28 02:42:50


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

1.Mercury

2.Venus

3.Mars

4.Jupiter

Posted Date:-2021-07-28 02:42:50


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

1.3

2.4

3.5

4.6

Posted Date:-2021-07-28 02:42:50


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

1.Electron

2.Proton

3.Neutron

4.Positron

Posted Date:-2021-07-28 02:42:50


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

1.Oxygen

2.Carbon

3.Hydrogen

4.Nitrogen

Posted Date:-2021-07-28 02:42:50


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

Posted Date:-2021-07-28 02:42:50


Question:
The SI unit of electric current is

1.Coulomb

2.Ampere

3.Volt

4.Watt

Posted Date:-2021-07-28 02:42:50


Question:
The SI unit of pressure is

1.pascal

2.joule

3.tesla

4.henry

Posted Date:-2021-07-28 02:42:50


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

Posted Date:-2021-07-28 02:42:50


Question:
The Sun is a/an

1.Star

2.Planet

3.Asteroid

4.Meteor

Posted Date:-2021-07-28 02:42:50


Question:
Urine is produced in

1.Kidneys

2.Lungs

3.Large intestine

4.Liver

Posted Date:-2021-07-28 02:42:50


Question:
What is Dry Ice?

1.Solid Oxygen

2.Solid Carbon Dioxide

3.Solid Hydrogen

4.Solid Nitrogen

Posted Date:-2021-07-28 02:42:50


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

Posted Date:-2021-07-28 02:42:50


Question:
Which are the three primary colours?

1.White, Black, Blue

2.Red, Yellow, Blue

3.Red, Orange, Blue

4.Red, Green, Blue

Posted Date:-2021-07-28 02:42:50


Question:
Which from the following is NOT a conductor?

1.Aluminium

2.Silicon

3.Graphite

4.All are conductors

Posted Date:-2021-07-28 02:42:50


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

Posted Date:-2021-07-28 02:42:50


Question:
X-rays were discovered by

1.Rontgen

2.Thomson

3.Rutherford

4.Bacquerel

Posted Date:-2021-07-28 02:42:50


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

1.Atrophy

2.Leprosy

3.Tetanus

4.Noma

Posted Date:-2021-07-28 02:42:50


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