FEDERAL PUBLIC SERVICE COMMISSION COMPETITIVE EXAMINATION FOR RECRUITMENT TO POSTS IN BPS-17, UNDER THE FEDERAL GOVERNMENT, 2009

 

EVERYDAY SCIENCE

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

            1._________________________________________________________________________ Persons with                    blood group are said to be universal recipients.

(a) A+                                  (b) B+                                   (c) AB+                                (d) 0+

(e) None of these

  1. Study of life in outer space is known as:

(a) Endobiology               (b) Exobiology                 (c) Enterobiology           (d) Neobiology

(e) Microbiology

            3.______ The name of common mineral salt present in sweat is______ .

(a) Calcium oxalate (b) Potassium sulphate (c) Sodium chloride (d) Iron sulphide (e) None of these

            4._______ Sensitive layer of the eye is             

(a) Choroid                        (b) Sclera                             (c) Retina                           (d) Cornea

(e) None of these

  1. Laughing gas has chemical composition of following two elements:.

(a) Nitrogen + Hydrogen                                               (b) Nitrogen + carbon

(c) Nitrogen + Oxygen                                                  (d) Oxygen + carbon

(e) None of these

            6.___________ Dr. Abdul Salam of Pakistan was one of the contributors to the unification of          

  • Electromagnetic force and gravitational force
  • Electromagnetic force and weak nuclear force
  • Gravitational force and weak nuclear force

(0 Weak nuclear force and strong nuclear force

(e) None of these

  1. Which triplet code is for valise?

(a) CTT                                (b) AGU                              (c) CAT                               (d) AAT

(e) None of these

  1. What is the chance of a diabetic baby born to parents both heterozygous normal?

(a) Zero                                (b) 1/4                                  (c) 1/2                                 (d) 3/4
(e) None of these

  1. Which of the following is not a part of Darwinism?

(a) Over production                                                      (b) Natural selection

(c) Inheritance for acquired characters               (d) Competition for survival

(e) None of these

  1. Role of biotechnology in the production of food is based on:

(a) Decomposition          (b) Respiration                  (c) Digestion                     (d) Fermentation

(e) None of these

  1. What form of drug abuse involves most risk of infection with HIV (AIDS)?

(a) Cigarette                                                                     (b) Using alcohol

(c) Injection of heroin                                                  (d) Taking too much aspirin

(e) None of these

  1. Founder of modern astronomy was__

(a) Archimedes                                                               (b) William Gilbert

(c) Nicolas Copernicus                                                 (d) Faraday

(e) None of these

  1. The instrument that measures very high temperature is

(a) Manometer                  (b) Thermostat                   (c) Chronometer                (d) Pyrometer

(e) None of these

  1. The science which deals with the study of manners and customs of people is________

(a) Ethnology                   (b) Morphology                (c) Ethics                           (d) Genetics

(e) None of these

  1. Chemicals used to kill rats and a mouse is________

(a) Insecticides                 (b) Rodenticide                (c) Fungicides                   (d) Herbicides

(e) None of these

  1. Dry ice is____

(a) Methane Hydrate (b) Liquid Nitrogen              (c) Solid CO2                     (d) Frozen water

(e) None of these

  1. Chemical name of vinegar is_

(a) Sodium nitrate                       (b) Dilute acetic acid (c) Chloride of lime (d) Calcium

(e) None of these

  1. Deficiency of_____ vitamin decreases Haemoglobin production.

(a) Biotin                           (b) Thiamine                      (c) Niacin                           (d) Pyridoxine

(e) None of these

  1. Hygrometer is used for measuring the

(a) Speed of sound                                                          (b) Density of milk

(c) Humidity of air                                                        (d) Specific gravity of liquids

(e) None of these

  1. Bronze is an alloy of__

(a) Copper and zinc (b) Tin and Zinc                                 (c) Copper and tin (d) Iron and zinc

(e) None of these

  1. Which of the following is most elastic?

(a) Steel                              (b) Rubber                          (c) Glass                              (d) Sponge

(e) None of these

  1. Orbital period of the planet Mercury around the sun is .

(a) 88 days                         (b) 365 days                      (c) 2 years                          (d) 98 days

(e) None of these

  1. The most splendid and the most magnificent constellation in the sky is__________

(a) Orion                             (b) Columba                      (c) Canis Major                 (d) Taurus
(e) None of these

  1. “Black holes” refer to____

(a) Holes occurring in heavenly bodies                  (b) Bright spots on the sun

(c) Collapsing objects of high density                  (d) Collapsing objects of low density

(e) None of these

  1. Eugenics is the study of____
  • Altering human beings by changing their genetic components
  • People of European origin
  • Different races of mankind (d) Genetics of plants
    (e) Eunuchs
  1. The position of earth in its orbit, when it is at its greatest distance from the sun causing northern summer is called

(a) Aphelion                      (b) Perihelion                    (c) Perigee                           (d) Apogee

(e) None of these

  1. Diamond is a very expensive ornament. It is composed of a single element__________

(a) Carbon                         ‘ (b) Gold                           (c) Silver                           (d) Platinum
(e) None of these

  1. Which of the following layers makes radio transmission possible?

(a) Troposphere                 (b) Ionosphere                 (c) Mesosphere                (d) Stratosphere

(e) None of these

  1. Which of the following explains the reason why there is no total eclipse of the sun?
  • Size of the earth in relation to that of moon
  • Orbit of moon around earth
  • Direction of rotation of earth around sun
  • Area of the sun covered by the moon
  • None of these
  1. Television signals are converted into light signals by_____

(a) Optical fibre                (b) Transistor                    (c) Decoder                        (d) Photo diode

(e) None of these

  1. Where do most of Asteroids lie?
  • In asteroid belt between the orbits of Mars and Jupiter
  • In asteroid belt between the orbits of Mars and Venus
  • In asteroid belt between the orbits of Jupiter and Venus
  • Everywhere in the sky
  • None of these
  1. The number of spark plugs needed in a diesel engine is_______

(a) 2                                     (b) 3                                      (c) 0                                     (d) 4
(e)
None of these

  1. The half life of a radioactive element is 8 days. How long will it take to reduce it from 10mg to 5mg?

(a) 4 days                           (b) 12 days                         (c) 16 days                         (d) 8 days

(e) None of these

  1. The term ‘Blue Shift’ is used to indicate__________
  • Doppler effect in which an object appears bluer when it is moving towards the observer or observer is moving towards the object
  • Turning a star from white to blue
  • In future sun would become blue
  • Black hole was blue at its start
  • None of these
  1. Kilowatt hour is a unit of___________

(a) Power                            (b) Electric current           (c) Ener                              (d) Time

(e) None of these

  1. Fuel used in Fast Breeder Reactor is___________

(a) Uranium Oxide                                                        (b) Uranium Plutonium Carbide

(c) Uranium Plutonium Oxide                                  (d) Uranium Thorium Oxide

(e) None of these

  1. Monsoon is caused by __________

(a) Seasonal reversal of winds                                 (b) Revolution of earth

(c) Movement of the clouds                                       (d) Rise in temperature

(e) Rain forests

  1. Which of the following atmospheric layers helps in radio communication?

(a) Exosphere                   (b) Ionosphere                  (c) Troposphere                (d) Stratosphere
(e) Ozone layer

  1. A moderator is used in nuclear reactor in order to

(a) Accelerate the neutrons                                             (b) Slow down the speed of the neutrons

(c) Increase the number of electrons                          (d) Decrease the number of electrons

(e) None of these

  1. Sedimentary rocks are___________

(a) Porous                          (b) Hard                               (c) Rough                           (d) Brittle

(e) Volcanic

  1. Which one of the following is a non-metallic mineral?

(a) Manganese                   (b) Magnesium                  (c) Gypsum                       (d) Bauxite

(e) None of these

  1. Ozone layer prevents the_________ radiation from entering the atmosphere.

(a) Infrared                         (b) Ultraviolet                  (c) X-rays                            (d) Gamma rays

(e) None of these

  1. The phenomenon of Aurora Borealis, the display of red and green lights in norther’ hemisphere is due to radiations from .

(a) Ionosphere                (b) Troposphere                (c) Mesosphere                (d) Stratosphere

(e) None of these

  1. Yeast is used in making bread because it produces_____

(a) Carbon dioxide (b) Sugar              (c) Bacteria                       (d) Oxygen

(e) None of these

  1. Oasis is associated with

(a) Glaciers                         (b) Desert                           (c) Islands                         (d) Volcanoes

(e) Fertile land

  1. Quartz crystal in quartz watches works on the principle called____________

(a) Photoelectric effect                                                    (b) Stark effect

(c) Thermionic effect                                                        (d) Piezoelectric effect

(e) None of these

  1. The fruits without seed, like banana,.are called____________

(a) Seedless fruits_                                                         (b) Parthenogenesis fruits

(c) Parthenocarpic fruits                                              (d) Placental fruits

(e) Organic fruits

  1. Animal which captures and readily kills living animals for its food is called

(a) Parasite                          (b) Scavenger                     (c) Predator                      (d) Mammal
(e) None of these ‘

  1. In a railway track, two rails are joined end to end with a gap in between them because:
  • Steel can be saved.
  • Accidents due to contraction in winter can be avoided.
  • Air gaps are necessary for bearing the weight of running train.
  • Accidents due to expansion in summer can be avoided
  • All of these
  1. Name the famous book of Ibn-Sina in which he discussed human physiology and medicine: (a) Al-Qanoon (b) A l-Masudi (c) New Renaissance (d) Tadhkira

(e) None of these