FEDERAL PUBLIC SERVICE COMMISSION COMPETITIVE EXAMINATION FOR RECRUITMENT TO POSTS IN BPS-17, UNDER THE FEDERAL GOVERNMENT, 2011
EVERYDAY SCIENCE
❑ Select the best option/answer and fill in the appropriate Box on the Answer Sheet:
- The planet of the solar system which has maximum number of moons is:
(a) Jupiter (b) Venus (c) Saturn (d) Uranus
(e) None of these
- Sun is a:
(a) Planet (b) Comet (c) Satellite (d) Aurora
(e) None of these
- The age of the solar system is:
(a) 4.5 billion years (b) 5.5 billion years (c) 6.5 billion years (d) 7.5 billion years
(e) None of these
- A unit of length equal to the average distance between the Earth and Sun is called:
(a) Light year (b) Astronomical unit (c) Parsec (d) Parallax
(e) None of these
- An eclipse of the Sun occurs when:
- The Moon is between the Sun and the Earth
- The Sun is between the Earth and the Moon
- The Earth is between the Sun and the Moon
- The Earth casts its shadow on the Moon (e) None of these
- The ozone layer protects the Earth from rays sent down by the Sun: (Repeated)
(a) Ultraviolet rays (b) Infrared rays (c) Gamma rays (d) Radioactive rays
(e) None of these
- The ozone layer is present about 30 miles (50 km) in atmosphere above the Earth. The
stratum (layer) of atmosphere in which ozone layer lies is called as:
(a) Exosphere (b) Mesosphere (c) Stratosphere (d) Ionosphere
(e) Troposphere
- Which rocks are formed by the alteration of pre-existing rocks by great heat or pressure?
(a) Igneous rocks (b) Sedimentary rocks
(c) Metamorphic rocks (d) Acid rocks
(e) Basic rocks
- The most abundant natural Iron Oxides are:
(a) Magnetite and Pyrite (b) Magnetite and Bauxite
(c) Hematite and Pyrite (d) Hematite and Magnetite
(e) Hematite and Bauxite
- The two most abundant elements in sea water are:
(a) Sodium and Potassium (b) Sodium and Calcium
(c) Sodium and Chlorine (d) Chlorine and Iodine
(e) Magnesium and Sulphur
- An electric current can produce:
(a) Chemical effect (b) Magnetic effect (c) Heating effect (d) All of these three
(e) None of these
- The unit of home electricity energy consumption is:
(a) Watt hour (b) Kilowatt hour (c) Joule hour (d) Kilo joule hour
(e) None of these
- The magnet always points in the same direction, if allowed to move freely i.e. towards North and South poles, because of:
- Gravitational field
- A lot of metal deposits on North and South Poles
- Due to attraction of North Pole and repulsion of Western Pole
- Earth is a huge magnet
- None of these
- When sound is reflected from floor, ceiling or a wall, it mixes with the original sound and changes its complexion, it is called as:
(a) Sound (b) Echo (c) Reverberation (d) Noise
(e) None of these
- The speed of sound in dry air at 20°C is about:
(a) 130 metres per second (b) 230 metres per second
(c) 330 metres per second (d) 430 metres per second
(e) None of these
- The speed of light in vacuum is about:
(a) 300 million metres per second (b) 300 million metres per hour
(c) 300 million kilometres per second (d) 300 million metres per hour
(e) None of these
- The time, light takes from the Sun to reach Earth is:
(a) 8 minutes (b) 25 minutes (c) 45 minutes (d) 60 minutes
(e) None of these
- Light from the Sun travels a distance__________ before it reaches the Earth:
(a) 50 million km (b) 100 million km (c) 150 million km (d) 200 million km
(e) None of these
- The most suitable thermometer for measuring the boiling point of water is:
(a) Mercury thermometer (b) Alcohol thermometer
(c) Bimetallic thermometer (d) Liquid crystal thermometer
(e) None of these
- The density of water is greatest at:
(a) 32°C (b) 0°C (c) 4°C (d) 100°C
(e) None of these
- Which one of the following statements is true?
(a) Gases do not conduct heat (b) The best conductors are non-metals
(c) Conduction currents occur only in liquids (d) A vacuum cannot conduct heat (e) None of the statements is true
- Ice can be changed to water by:
- Adding more water molecules
- Changing the motion of the water molecules
- Rearranging the atoms in water molecules (d) Destroying the atoms in water molecules (e) None of these
(c) Compounds (d) Isotopes (c) Physiological (d) Morphological (c) -100 °C (d) -196 °C (c) Lemon Juice (d) Slaked lime |
- The building blocks of elements are called: (a) Atoms (b) Molecules
(e) None of these
- Boiling of an egg is a change which is: (a) Physical (b) Chemical
(e) None of these - The temperature of liquid Nitrogen is: (a) -32 °C (b) -80 °C
(e) None of these - Which one of the following is an alkali? (a) Water (b) Vinegar
(e) None of these - If an alkali is slowly added to an acidic solution, the pH of the acidic solution will:
(a) Increase (b) Decrease
(c) Increase to 7 and then decease (d) Decrease to 7 and then increase
(e) Will remain same
- The usual raw material for ceramics, generally found beneath the top soil is: (a) Sand (b) Silt (c) Clay (d) Plaster of Paris
(e) Melamine - Polyamides are synthetic polymers commonly known as:
(a) Synthetic (b) Nylon (c) Cellulose (d) Protein
(e) None of these
- Telephone was invented in 1876 in America by:
(a) Marconi (b) Galileo (c) John Baird (d) Edison
(e) Graham Bell
- Information can be sent over long distances in the form of:
(a) Electrical signals through wires (b) Light signals through optical fibres
(c) Radio waves through air (d) Any combination of these three
(e) None of these
- Information can be stored in:
(a) Audio and video cassettes (b) Floppy and compact discs
(c) Hard disks (d) Laser and optical disks
(e) All of these four
- Computers can: (Corrected)
(a) Add and subtract information only (b) Add, subtract and sort information only
- Add, subtract, sort and classify information
- Add and subtract but cannot sort information
- Add, subtract and sort but cannot classify information.
- IBM stands for:
(a) International Business Machines (b) International Big Machines
(c) Interrelated Business Machines (d) Interrelated Big Machines
(e) None of these.
- Chemicals used to kill weeds are called as:
(a) Insecticides (b) Fungicides (c) Herbicides (d) Fumigants
(e) None of these
- The cytoplasm consists of several types of structures, which are called:
(a) Protoplasm (b) Nucleus (c) Cytochromes (d) Organelles
(e) None of these
- The structure of DNA was elaborated by Watson and Crick in:
(a) 1909 (b) 1923 (c) 1945 (d) 1953
(e) None of these.
- In a DNA molecule, the rule for base pairing is:
- Adenine always bound with thymine and cytosine with guanine
- Adenine always bound with cytosine and thymine with guanine
- Adenine always bound with guanine and cytosine with thymine
- Adenine always bound with uracil and cytosine with guanine
- None of these
- Man belongs to the family:
(a) Felidae (b) Hominid (c) Mammalia (d) Primataceae
(e) None of these
- Deficiency of vitamin C in the human body causes a disease called:
(a) Beriberi (b) Night blindness (c) Rickets (d) Scurvy
(e) None of these
- To measure the specific gravity of milk, the instrument used is:
(a) Hygrometer (b) Barometer (c) Lactometer (d) Hydrometer
(e) None of these
- One of the fundamental characteristics of living organisms is:
(a) Photosynthesis (b) Digestion (c) Excretion (d) Metabolism
(e) None of these
- Plants growing on other plants are called as:
(a) Saprophytes (b) Parasites (c) Epiphytes (d) Pathogens
(e) None of these
- As per eating habit, squirrels are:
(a) Frugivorous (b) Herbivorous (c) Carnivorous (d) Omnivorous
(e) Insectivorous
- Water loss from leaves through stomata is called as:
(a) Evaporation (b) Transpiration
(c) Evapotranspiration (d) Respiration
(e) None of these
- The study of how plants and animals interact with one another and with the non-living environment is called as:
(a) Ecosystem (b) Sociology (c) Ecology (d) Habitat
(e) None of these
- The number of bones in human body is:
(a) 200 (b) 202 (c) 204 (d) 206
(e) None of these
- Nervous system in human body consists of:
(a) Brain and spinal cord (b) Brain and nerves
(c) Spinal cord and nerves (d) Brain, spinal cord and nerves
(e) None of these.
- In human eye, the light sensitive layer made of specialized nerve cells, the rods and cones is called as:
(a) The pupil (b) The cornea (c) The sclera (d) The iris
(e) The retina
- Erythrocytes are also called as:
(a) Red blood cells (b) White blood cells (c) Platelets (d) Plasma
(e) None of these