FEDERAL PUBLIC SERVICE COMMISSION COMPETITIVE EXAMINATION FOR RECRUITMENT TO POSTS IN BPS-17, UNDER THE FEDERAL GOVERNMENT, 2014
EVERYDAY SCIENCE
Select the best option/answer and fill in the appropriate Box on the Answer Sheet:
- Who was the early dentist and also inventor of many surgical instruments
(a) Avicenna (b) Al-Zahrawi (Abulcasis)
(c) Ibn al-Haytham (d) Al-Jahiz
- The echo of Big Bang can be heard in the form of:
(a) Cosmic rays (b) Gamma rays
(c) Microwave radio signals (d) Infrared radiations
. Omar Khayyam was a:
(a) Poet (b) Mathematician (c) Astronomer (d) All of these
- Who was the first Muslim mathematician who used “Zero”?
(a) Ahmad ibn al-Baitar (b) lbn Rusted
(c) Ibn al-Haytham (d) Al Khwarizmi
- Why some nebulae shine?
(a) Because they emit light (b) Due to burning process
(c) Because they contain bright stars (d) Because they reflect light
- A shooting star is:
(a) Sun (b) A comet (c) A meteor (d) An asteroid
A ‘clinical death’ takes place when:
(a) There is no pulse (b) There is no heartbeat
- The major cause of land pollution is:
(a) Pesticides (b) Chemical fertilizers
(c) Insecticides (d) All of these
- The sharp-bitter taste of unripe fruits is due to high concentration of:
(a) Phenolic compounds (b) Volatile compounds
(c) Organic acids (d) Starch
- The use of antibiotic is a very effective way of killing disease causing bacteria. Sometim people don’t finish all of their pills. This can result in:
- Some bacteria left unkilled
- Production of more bacteria
- Bacteria is becoming sensitive to antibiotic
- Bacteria becoming resistant to antibiotics
- Flesh Caters are called:
(a) Omnivores (b) Carnivores (c) Herbivores (d) Scavengers
- Chromosomes arc made up of:
(a) DNA only (b) DNA and RNA
(c) Proteins only (d) DNA, RNA and Proteins only
- Plants can be made disease resistant by:
(a) Heat treatment (b) Hormone treatment
(c) Cinnanomum treatment (d) Breeding with their wild relatives
- Important ingredient used in vicks vapor rub is obtained from the plant:
(a) Cinanomum camphora (b) Cinnamomum zeylanicum
(c) Curcuma (d) All of these
- Which of the following is both endocrine and exocrine gland?
(a) Thyroid (b) Pancreas (c) Parathyroid (d) All of these
.The rocess D which c small amount of i
- The quickest, most readily available source of energy for the body is:
(a) Protein (b) Carbohydrate (c) Lipid (d) Vitamins
- The sum of the kinetic energy and potential energy of an oscillating body is:
(a) Maximum in the beginning (b) Constant at all points
(c) Maximum at midway of the path (d) Minimum in the beginning
- Which term in psychology is generally used to refer to emotional disorders such as anxiety, depression and phobia?
(a) Psyches (b) Hypnosis (c) Neurosis (d) Mental illness
- All Alkali metals react with water to form:
(a) Oxides (b) Peroxides (c) Hydroxides (d) Hyper oxides
- LASER is an acronym for:
- Light amplification by standard emission of light
- Light absorption stimulated entrance of radiation
- Light amplification by stimulated emission of radiation
- Light absorption by standard emission of radiation
- If carbon dioxide is passed through lime water for a long time, the cloudy white colour (initially formed) disappears because of the formation of:
(a) Calcium bicarbonate (b) Calcium hydroxide
(c) Calcium carbonate (d) Calcium Sulphate
- Permanent hardness of water is due to the presence of:
(a) Calcium bicarbonate (b) Magnesium bicarbonate
(c) Calcium sulphate (d) Sodium bicarbonate
- Articles made of copper and bronze slowly tarnish in air and turn green; the green colour
is Au. +4, filn frtrmntinn nf•
- The minimum number of bits required to store hexadecimal number AF is: (a) 2 (b) 4 (c) 8 (d) 16
- Which of the following minerals is most resistant to chemical weathering? (a) Olivine (b) tLar-U (c) Hornblende (d) Potassium feldspar
- If an igneous rock cuts across a sedimentary rock, we know that the igneous rock is:
(a) Older than the sedimentary rock (b) Younger than the sedimentary rock
(c) The same age as the sedimentary rock (d) A minimum of 1.2 million years old
- The discipline which deals with the understanding and treatment of mental health is called:
(a) Applied psychology (b) Clinical psychology
(c) Psychoanalysis (d) Psychiatry
- Overcooking of food should be avoided because’overcooking:
(a) Makes the food difficult to digest (b) Makes the food
(c) Increase the nutritive value of food (d) Reduces the nutritive value of food
- Optical fibre operates on the principle of:
(a) Tyndall effect (b) Photoelectric effect
(c) Laser technology (d) Total internal reflection
- The sensation of the skin is perceived by:
(a) Epidermis (b) The dermis (c) Endodermis (d) None of these
- The loudness of–sound depends on its:
(a) Wavelength (b) Frequency (c) Amplitude (d) All of these
- A prison standing in front of a mirror finds his image smaller than him and erect. This implies that the mirror is:
(a) Plane (b) Concave (c) Convex (d) Not of good quality
The densities of three liquids are D, 2D, 3D. What will be the density –` “