FEDERAL PUBLIC SERVICE COMMISSION COMPETITIVE EXAMINATION FOR RECRUITMENT TO POSTS IN BPS-17, UNDER THE FEDERAL GOVERNMENT, 2007
EVERYDAY SCIENCE
❑ Select the best option/answer and fill in the appropriate Box on the Answer Sheet:
- Which of the following has no blood, but respires?
(a) Cockroach (b) Earthworm (c) Fish (d) Hydra
- Which of the following is the basic characteristic of a living organism?
(a) Ability to move (b) Ability to reproduce
(c) Ability to eat (d) Ability to breath
- All the following are invertebrates except:
(a) Snail (b) Crab (c) Prawn (d) Fish
- Which of the following is an anti-depressant?
(a) Benzedrin (b) Aspirin (c) Equanil (d) None of these
- The organ which destroys worn out RBCs in the body of a vertebrate is:
(a) Pancreas (b) Liver (c) Bone marrow (d) Spleen
- For transfusion, the ‘0’ blood group of a donor can be accepted by a person having blooc group:
(a) A (b) B (c) AB (d) All of these
- Life of RBC in human blood is of:
(a) 130 days (b) 160 days (c) 120 days (d) 115 hours
- A man with blood group A can receive blood from persons having blood groups:
(a) A, 0 (b) A, B, 0 (c) A, AB, B (d) A, B, C
- Trachoma is a disease of the:
(a) Brain (b) Larynx (c) Ear (d) Eye
- Malaria is a disease which affects the:
(a) Heart (b) Lungs (c) Spleen (d) Kidney
- Meningitis is caused by: (a) Fungi (b) Salmonella (c) Menineococcal (d) Virus menin
- Which of the following diseases is caused by virus? (a) Smallpox (b) Tuberculosis (c) Malaria (d) Cholera
- In human beings infection of plasmodium causes: (a) Tetanus (b) Malaria (c) Influenza (d) Typhoid
- Which of the following is known as `graveyakd of RBCs’? (a) Liver (b) Bone marrow (c) Spleen (d) Appendix
- Who discovered the blood groups of man? (a) Edward Jenner (b) Larsen (c) Kari Landsteiner (d) None of these
- Leucocytes (white blood cells) are produced in:
(a) Lymph (b) Spleen (c) Bone marrow (d) Ribs
- What is the function of platelets?
(a) Kill the bacteria (b) Carry the oxygen
(c) Produce antibodies (d) Clot the Blood
- Life span of R.B.C. is:
(a) 195 days (b) 115 days (c) 120 days (d) 130 days
- Which cells in our body act as an immune system against diseases?
(a) Platelets (b) Red blood cells (c) White blood cells (d) Haemoglobin
- In which organ of the human body are the lymphocyte cells formed?
(a) Liver (b) Stomach (c) Pancreas (d) None of these
- PC was originally a trade mark of:
(a) IBM (b) Apple Computers (c) Hewlett-Packard (d) Remington Rand
- The power of a super computer is measured in terms of:
(a) MIPS (b) BIPS (c) TIPS (d) FLOPS
- The surface of a hard disk is logically divided into:
(a) Firmware (b) SIMMs
(c) Pie-shaped sectors (d) None of these
- Which was the first truly electronic computer?
(a) ENIAC (b) UNIVAC (c) IBM (d) EDSAC
- A computer virus is actually:
(a) Software program (b) Insect
(c) Micro-organism (d) None of these
- Consumption of fish is considered to be healthy when compared to flesh of other animals because fish contains:
(a) Polyunsaturated fatty acids (b) Saturated fatty acids
(c) Essential vitamins (d) More carbohydrates and proteins
- What is stored in the gall bladder? (a) Enzymes (b) Bile (c) Urea (d) Insulin
- Which of the following is a mammal? (a) Ostrich (b) Crocodile (c) Platypus (d) Duck
- What is the peritoneum? (a) A membrane (b) An organ (c) A muscle (d) A bone
- What is Interferon? (a) Tonic (b) Virus (c) Carbohydrate (d) Ore of iron
- As the temperature of ice rises, the ice melts and its density: (a) Decreases (b) Remains constant (c) Increases (d) All of these
- Which mirror can be used to focus sunlight? (a) Plane mirror (b) Concave lens (c) Concave mirror (d) All of these
- The wave which do not require any medium is:
(a) Sound wave (b) Air waves
(c) Electromagnetic waves (d) All of these
- Electromagnetic waves travel with the:
(a) Speed of light (b) Speed of sound
(c) Speed of earth rotation (d) All of these
- Sound travels faster in:
(a) Dry air than in water (b) Wood than in iron
(c) Iron than in air (d) All of these
- Which of the following is a good conductor of electricity?
(a) PVC (b) Glass (c) Rubber (d) Graphite
- The tendency of a liquid drop to contract and occupy minimum area is due to (a) Surface tension (b) Viscosity (c) Density (d) Vapour pressure
- On which principle does the tape-recorder function? (a) Electromagnetic Induction (b) Electrovalence
(c) Gay Lussac’s law of combining volumes (d) Boyle’s Law - When a constant force is applied to a body it moves with uniform: 0) Momentum (b) Velocity (c) Speed (d) Acceleration
- All forms of energy that we use are ultimately transformed into:
(a) Electrical energy (b) Heat energy (c) Light energy (d) Chemical energy
- In which country alcohol is used as fuel for vehicles?
(a) USA (b) Brazil (c) Japan (d) Germany
- The device used for the measurement of current, voltage and resistance is: (a) AVO meter (b) Galvanometer (c) Ammeter (d) Ohmmeter
- Silicon is a:
(a) Semi-conductor (b) Insulator (c) Superconductor (d) Conductor
- For sending sound waves at large distance, which waves are used?
(a) Infrared waves (b) Radio waves (c) Light waves (d) X-waves
- The acid used in a car battery is: (a) Hydrochloric acid (1)) Nitric acid (c) Sulphuric acid (d) Carbonic acid
- Rise in temperature, the conductivity of metals will:
(a) Decreases (b) Increases
(c) Remains unchanged (d) None of these
- The reaction taking place at anode and cathode are respectively?
(a) Oxidation, reduction (b) Reduction, oxidation
(c) Reduction, hydrolysis. (d) None of these
- During electrolysis, metals are deposited at the cathode, because the cathode:
(a) Supplies electrons (b) Withdraw electrons
(c) Undergoes oxidation (d) None of these
- Which of the following gases is used in fire extinguishers? (a) Oxygen (b) Hydrogen (c) Water vapour (d) Carbon dioxide
- Stains of rust from iron on cloth can be removed by: (a) Hydrogen peroxide (b) Alcohol (c) Oxalic acid (d) None of these