FEDERAL PUBLIC SERVICE COMMISSION COMPETITIVE EXAMINATION FOR RECRUITMENT TO POSTS IN BPS-17, UNDER THE FEDERAL GOVERNMENT, 2010

 

EVERYDAY SCIENCE

Select the best option/answer and fill in the appropriate Box on the Answer Sheet:

  1. Water is heated by 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

  1. A time can come when we will be able to design a machine which can go on working forever without the expenditure of energy. Is it possible?

(a) No                                    (b) Yes                              (c) Very soon                    (d) None of these

  1. 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

  1. Three elements needed for th.:. healthy growth of plants are______

(a) N, P, K                            (b) N, C, P                         (c) N, K, C                           (d) N, S, C
(e) None of these

  1. Copper can be converted into gold by

(a) Heating                                                                      (b) Artificial Radioactivity

(c) Electroplating                                                            (d) Chemical Reaction
(e) None of these

  1. In winter, an iron pipe feels colder than a wooden window. This is because wood is

(a) Conductor                                                                   (b) Non-conductor

(c) Semiconductor                                                        (d) Not a solid while iron is a solid

(e) None of these

  1. The echo (reflected sound) will be distinctly heard only at ordinary temperature, if the

distance of the reflecting surface from the source of the sound is at least_______

(a) 1120 ft                          (b) 120 ft                            (c) 56 ft                                 (d) 100 ft

(e) None of these

  1. It is possible to recognise 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

  1. 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) Opaque                        (d) Invisible

(e) None of these

  1. 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

  1. The principle used in the radar is the same as that of Sonar. In radar, we use radio waves while in sonar, we use

(a) Red waves                   . (b) Infrared waves          (c) Ultrasonic                  (d) Supersonic

(e) None of these

  1. 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 heavy This nuclear reaction is called____

(a) Chemical reaction                                                    (b) Nuclear reaction

(c) Fission nuclear reaction                                          (d) Fusion nuclear reaction

(e) None of these

  1. Parsec is a unit of_

(a) Energy                          (b) Time                               (c) Power                            (d) Distance

(e) None of these

  1. German Silver is an alloy of

(a) Zn + Ni                         (b) Cu + Zn                         (c) Cu + Ni                         (d) Cu + Su

(e) None of these

  1. The continent Antarctica lies at

(a) North pole                                                                   (b) South pole

(c) Middle of the Earth                                                  (d) Equator

(e) None of these

  1. The temperature of the dead body is______

(a) 0°C                                                                               (b) 37°C

(c) Room temperature                                                     (d) Temperature of the place where it is kept

(e) None of these

  1. Lactometer is a type of Hydronieter which is used to measure the specific gravity of

(a) Honey                           (b) Water                             (c) Milk                             (d) Olive oil

(e) None of these

  1. Cusec is a unit of_

(a) Area                     •         (b) Time                               (c) Distance                       (d) Mass

(e) None of these

  1. The deepest place on earth is___

(a) Trench                           (b) Mariana Trench (c) Mangrove                          (d) Groove

(e) None of these

 

because of_______

(a) Work done                 (b) Power                            (c) Ener                              (d) Volume

(e) None of these

 

  1. Twinkling of stars is caused by________

(a) Reflection of light                                                  (b) Polarisation of light

(c) Refraction of light                                                  (d) Interference of light

(e) None of these

  1. Magnifying power of a single 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

  1. Bronze medal is made up of metals ________ . (Repeated)

(a) Copper, Nickel        (b) Copper, Tin                   (c) Copper, Silver             (d) Copper, Zinc

(e)’ None of these

  1. One of the countries through which the equator passes is_________
  • (a) 11_yt a (b) Pakistan (c) Malaysia                       (d) Malta
    (e) None of these
  1. A very important practical application of properties of matter is hoeing or “godi” practised by the farmers. This property of matter is called

(a) Elasticity                     (b) Stress                            (c) Capillarity                 (d) Strain

(e) None of these

  1. 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________
  • An equal and opposite pressure acts from inside
  • Of the height of the man
  • Gravity (d) Earth pulls the man upward
    (e) None of these
  1. 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

  1. 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

  1. Night vision is possible with the help of_______

(a) Red light                         (b) Violet light                (c) Infrared rays           (d) Ultraviolet light

(e) None of these

  1. 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

  1. Walnuts can be broken in the hands by squeezing the two together but not one it is
  2. The instrument which is especially designed’ for recording earthquake wave is called seismograph, which measures earthquakes waves on

(a) Diatonic scale             (b) Fahrenheit Scale         (c) Richter Scale             (d) Celsius scale

(e) None of these

  1. The planet mercury completes one rotation around the sun in ____________ . (Corrected and

Repeated)

(a) 88 days                         (b) 365 days                       (c) 98 days                        (d) 60 days

(e) None of these

  1. Fossils found in the lowest geological strata are generally the most________

(a) Advanced                     (b) Complex                       (c) Primitive                    (d) Specialised
(e) None of these

  1. 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

  1. What is the only source of new alleles?

(a) Crossing over                                                            (b) Independent assortment

(c) Mutation                                                                    (d) Fertilisation

(e) None of these

  1. Polygenic characteristics are controlled by________

(a) Dominant genes (b) Recessive genes                  (c) Multiple genes          (d) Mutated genes

(e) None of these

  1. Which of the following lists the four stages of food processing in order?
  • Ingestion, digestion, absorption, elimination
  • Digestion, ingestion, absorption, elimination
  • Ingestion, absorption elimination, digestion
  • Absorption, digestion, ingestion, elimination
  • None of these
  1. In humans, most nutrient molecules are absorbed by the .

(a) Stomach                        (b) Liver                              (c) Small intestine         (d) Large intestine

(e) None of these

  1. 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

  1. Which of the following is an organic molecule, needed by the body in small amount?

(a) Protein                          (b) Vitamin C                   (c) Zinc                               (d) Monosaccharide
(e) None of these

  1. Inhaled air passes through which of the following in the last?

(a) Bronchiole                  (b) Larynx                          (c) Pharynx                        (d) Trachea

(e) None of these