Everyday Science
CSS Past Paper 2010
FEDERAL PUBLIC SERVICE COMMISSION
Roll
Number
COMPETITIVE
EXAMINATION FOR
RECRUITMENT TO POSTS
IN BPS-17 UNDER
THE FEDERAL
GOVERNMENT, 2010
GENERAL
KNOWLEDGE PAPER-I
(EVERY
DAY SCIENCE)
|
TIME
ALLOWED: |
(PART-I) |
80
MINUTES |
|
MAXIMUM
MARKS:50 |
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(PART-II) |
100
MINUTES |
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MAXIMUM
MARKS:50 |
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(i)
First attempt PART-I (MCQ) on separate
Answer Sheet which shall be taken back after
NOTE: 80 minutes.
(ii)
Overwriting/cutting of the options/answers will not
be given credit.
PART – I (MCQs)
GENERAL KNOWLEDGE PAPER-I
(COMPULSORY)
Q.1. Select the best option/answer and fill in the appropriate Box on
the Answer Sheet: (50)
(1)
Water is heated in a kettle. The inside water is heated by
convection. A person sitting near the fire receives heat by.
(a) Conduction (b) Convection (c) Radiation (d)
Reflection (e) None of these
(2)
A time can come when we will be able to design a machine which can
go on working for ever without the expenditure of energy. Is it possible?
(a) No (b) Yes
(c) In due course of time (d) Very soon (e) None of these
(3)
The measurement of rainfall is made by an instrument known as:
(a) Hygrometer (b) Barometer (c) Hydrometer (d) Pedometer (e) None of these
(4)
Light year is a unit of:
(a)
Distance (b) Time period (c) Light intensity (d) Time (e) None of these
(5)
Three elements needed for the healthy growth of plants are:
(a) N, P, K (b) N, C, P (c) N, K, C (d) N, S, P (e) None of these
(6)
Copper can be converted
into gold by:
(a)
Heating (b) Artificial Radioactivity(c)
Electroplating (d) Chemical Reaction(e) None of these
(7)
In winter an iron pipe feels 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
(e) None of these
(8)
The echo(reflected sound) will be distinctly heard only at
ordinary temperatures if the distance of the reflecting surfaces from the
source of sound is at least:
(a) 1120 ft (b) 120 ft (c) 56 ft (d) 100 ft (e) None of these
(9)
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 (e) None of these
(10)
When a ray of sunlight enters a dark room, its straight path
becomes visible because of dust particles hanging in the air. It is because
light is:
(a) Visible (b) Transparent (c) Invisible (d) Opaque (e) None of these
(11)
A six feet tall lady wants to see her full image in a plane
mirror. The minimum length of the
mirror will be:
(a) 6 feet (b) 12 feet (c) 4 feet (d) 3 feet (e) None of these
(12)
The principle used in radar is the same as that of Sonar. In radar
we use radio waves; whereas
in Sonar we use:
(a) Red Waves(b) Infrared Waves
(c) Ultrasonic (d) Supersonic (e) None of these
Page 1 of 4
(13)
In a fission nuclear reaction, a heavy nucleus breaks up into
smaller nuclei whereas in another
nuclear reaction two or more
than two possibly nuclei are fused to form a heavy nucleus. This nuclear
reaction is called:
|
(a) |
Chemical Reaction |
(b) |
Nuclear Reaction |
(c) Fission nuclear
reaction |
|
(d) |
Fusion nuclear
reaction |
(e) |
None of these |
|
(14)
Parsec is a unit of:
(a)
Energy (b) Time (c) Power (d) Distance
(e) None of these
(15)
German Silver is an alloy of:
(a) Zn + Ni (b) Cu + Zn
(c) Cu + Ni (d) Cu + Sn (e) None of these
(16)
The Continent Antarctica lies at the:
(a) North pole (b)
South pole (c) Middle of the earth (d) Equator (e) None of these
(17)
The temperature of the dead body is:
(a) 0oC (b) 37oC (c) room temperature
(d) temperature of the
place where it is kept (e) None of these
(18)
Lactometer is a type of hydrometer which is used to measure the
specific gravity of:
(a)
Honey (b) Water (c) Milk (d) Olive Oil (e) None of these
(19)
Cusec is a unit of:
(a) Area (b) Time (c) Distance (d) Mass (e) None of these
(20)
The deepest place on earth is:
(a) Trench (b) Mariana Trench (c) Mangrove (d) Groove (e) None of these
(21)
Twinkling of stars is caused by the:
|
(a) |
Reflection of light |
(b) |
Polarization of
light |
(c) Refraction of
light |
|
(d) |
Interference of
light |
(e) |
None of these |
|
(22)
Magnifying power of a simple microscope can be increased by:
(a) Increasing focal
length of the lens (b) Decreasing focal length of the lens
(c)
Lens of large aperture (d) Lens of short
aperture (e) None of these
(23)
Bronze medal is made up of metals:
(a) Copper, Nickel (b) Copper, Tin (c) Copper,
Silver (d) Copper, Zinc (e) None of
these
(24)
One of the countries through which equator passes is:
(a) Kenya (b) Pakistan (c) Malaysia (d) Malta (e) None of these
(25)
A very important practical application of properties of matter is
hoeing or “godi” practiced by
the farmers. This
property of matter is called:
(a) Elasticity (b) Stress (c) Capillarity (d) Strain (e) None of these
(26)
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:
(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 (e) None of these
(27)
A nuclear reactor is a device used to carry out controlled nuclear
reaction whereas GM counter is a device used to detect:
(a) Current (b) Voltage (c) Nuclear Radiation (d) Power (e) None of these
(28)
A body can escape the gravitational pull of the earth if it is
thrown up with a velocity of:
(a) 25 miles/sec (b) 60 miles/sec (c) 7 miles/sec (d) 10 miles/sec (e) None of these
(29)
Night vision is possible with the help of:
(a) Red Light (b) Violet Light (c) Infrared Light (d) Ultraviolet Light (e) None of
these
Page 2 of 4
(30)
Myopia is a defect of human eye. It can be corrected by using a
lens called:
(a) Convex Lens (b) Concave Lens (c) Cylindrical
Lens (d) Plano convex Lens
(e) None of these
(31)
Walnuts can be broken in the hand by squeezing two together but
not one. It is because of:
(a) Work done(b) Power (c) Energy (d) Volume (e) None of the these
(32)
The instrument which is specially designed for recording
earthquake wave is called seismograph which measures earthquake waves on a:
(a) Diatonic Scale (b) Fahrenheit
Scale(c) Richter Scale
(d) Celsius Scale (e) None
of these
(33)
The planet Mercury completes one rotation around the sun in:
(a) 88 days (b) 365 days (c) 98 days (d) 60 days (e) None of these
(34)
Fossils found in the lowest geological strata are generally the
most:
(a) Advanced (b)
Complex (c) Primitive (d)
Specialized (e) None of these
(35)
Evolution can be described as:
|
(a) |
A continuing
process |
(b) |
A catastrophic
event in the past (c) Static |
|
(d) |
The attaining of an
ideal type |
(e) |
None of these |
(36)
What is the only source of new alleles?
|
(a) Crossing over |
(b) Independent
assortment |
(c) Mutation |
|
(d) Fertilization |
(e) None of these |
|
(37)
Polygenic characteristics are controlled by:
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(a) Dominant genes |
(b) Recessive genes |
(c) Multiple genes |
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(d) Mutated genes |
(e) None of these |
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(38)
Which of the following, lists the four
stages of food processing in order?
(a) Ingestion, digestion,
absorption, elimination
(b) Digestion, ingestion,
absorption, elimination
(c) Ingestion,
absorption, elimination, digestion
(d) Absorption,
digestion, ingestion, elimination
(e) None of these
(39)
In humans, most nutrient molecules are absorbed by the:
(a) Stomach (b) Liver (c) Small intestine (d) Large intestine (e) None of these
(40)
The energy needed to fuel essential body processes is called:
(a) Essential nutrient level (b) Basal Metabolism (c) Recommended daily allowance
(d) Optimum energy intake (e) None of these
(41)
Which of the following is an organic molecule needed by the body
in small amounts?
(a) Protein (b) Vitamin C (c) Zinc (d) Monosaccharide (e) None of these
(42)
Inhaled air passes through which of the following in the last?
(a) Bronchiole (b) Larynx (c) Pharynx (d) Trachea (e) None of these
(43)
Which of the following is a form of sexual reproduction?
(a) Hermaphroditism (b) Fission (c) Fragmentation (d) Budding (e) None of these
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(44) |
Cobalt is a
material which is: |
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(a) Strongly
attracted by a magnet |
(b) Not attracted
by a magnet (c) Not a magnet |
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(d) Weakly
attracted by a magnet |
(e) None of these |
(45)
Laughing gas has chemical composition of the following two
elements which are:
|
(a) Nitrogen + Hydrogen |
(b) Nitrogen +
Carbon |
(c) Nitrogen +
Oxygen |
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(d) Oxygen + Carbon |
(e) None of these |
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Page 3 of 4
(46)
Hepatitis A is transmitted to different individuals by:
(a)
Water (b) Sneezing
(c) Spit (d) Foeces (e) None of these
(47)
The unit that coordinates different devices of the computer system
is:
(a) ALU (b) Register (c) Control Unit (d) Logical instruction (e) None of
these
(48)
The most abundant element present in the human body is:
(a) Nitrogen (b)
Carbon (c) Hydrogen (d) Oxygen (e) None of these
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(49) Cancer can be treated by: |
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(a) Antibiotics and
vaccines |
(b) |
Radiotherapy and
antibodies |
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(c) Chemotherapy
and radiotherapy |
(d) |
Antibodies and
chemotherapy |
(e) None of these
(50)
Animals obtain carbohydrate mainly from:
(a) Sucrose (b) Starch (c) Glucose (d) Glycogen (e) None of
these
PART
– II
NOTE: (i) Attempt ONLY FIVE questions from PART-II. All questions carry EQUAL marks.
(ii)
Extra
attempt of any question or any part of the attempted question will not be considered.
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Q.2. |
Write short note on
the following by giving their exact life span and contributions to the field |
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of science. (Accurate
facts will be appreciated) |
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(5 x
2) |
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(a) Al – Biruni |
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(b) Ibn – al – Haitham |
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Q.3. |
What do you know
about hereditary diseases? Comment how they are transferred from |
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parents to offsprings? |
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(3 + 7) |
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Q.4. |
Write briefly about
ANY FIVE of the following: (Answer in three or four sentences) |
(2 x
5) |
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(a) Plaster of
Paris |
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(b) Reflex Action |
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(c) Pace Maker |
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(d) Swine Flue |
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(e) Microwave Oven |
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(f) The Internet |
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(g) Voltage Stablizer |
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Q.5. (a) |
What is global
warming? Is there a sunny side to global warming? If yes, explain. |
(2 + 6) |
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(b) |
What makes the
seasons happen? |
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(2) |
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Q.6. |
In which region of
the world, the following animals are found? Give two main characteristics |
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of each. |
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(2 x 5) |
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(a) Blind dolphin |
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(b) Kangaroo |
(c) Panda |
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(d) Kiwi |
(e) Penguin |
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Q.7. (a) In which organ these parts are present in animals or
human body? |
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(2 + 8) |
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(b) Describe the
function of each briefly: |
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(i) |
Coronary artery
(ii) |
Sino-auricular
Node (iii) |
Aortic Valve |
(iv) Auricle |
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Q.8. |
Differentiate
between the following pairs: |
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(2 x 5) |
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(a) |
Hydrometer and
Hygrometer |
(b) |
Perimeter and
Telemeter |
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(c) |
Isotopes and
Isomers |
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(d) Flying mammal and Bird |
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(e)
Vertebrates and Invertebrates
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Q.9. (a) What are pesticides? Explain how these are dangerous to
human beings? |
(2 + 4) |
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(b) What do the
following scientific abbreviations stand far? |
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(1/2 each) |
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(i) |
STP |
(ii) |
LORAN |
(iii) |
SONAR |
(iv) |
MAF |
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(v) |
MeV |
(vi) |
MASER |
(vii) |
AWACS |
(viii) |
CCTV |
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