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Q5.QUZ
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1978-01-04
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Q5.QUZ
Science
50
0
What name is given to a substance which will not conduct heat or electricity?
Insulator
Resistor
Inductor
Transducer
How many kilometres does lighttravel in a second?
300,000
186,000
1,000,000
250,000
Which gas is used in making fizzy drinks?
Carbon dioxide
Chlorine
Oxygen
Nitrous Oxide
Which two gases are the major constituents of air?
Oxygen and Nitrogen
Hydrogen and Oxygen
Hydrogen and Chlorine
What is the chemical name for common salt?
Sodium Chloride
Sodium Bicarbonate
Sodium Fluoride
Sodium Carbonate
What is the chemical name for quicklime?
Calcium Oxide
Sodium Carbonate
Calcium Hydroxide
Calcium Carbonate
What is the name of the metal made from copper and zinc?
Brass
Steel
Pewter
Solder
Roughly how many metres does sound travel in a second?
340
1,000
200
5,000
Which type of mirror would make you look smaller?
Convex
Concave
Plain
Which group of chemicals are added to drinking water to reduce tooth decay?
Fluorides
Chlorides
Sulphides
Bromides
A solution in which no more solid will dissolve is said tobe ......?
Saturated
Concentrated
Inert
Dense
What is the common name for calcium carbonate?
Chalk
Lime
Soda
Baking Powder
What is the name of the process of splitting up a chemical compound by passing electricity through it?
Electrolysis
Dissolution
Dissociation
Decomposition
What is the instrument used bysurveyors to measure horizontal and vertical angles?
Theodolite
Protractor
Sextant
In a car engine what is the device that controls the mixture of petrol and air delivered to the cylinders?
Carburettor
Petrol pump
Air filter
Distributor
In radio transmission what is the name of the process which superimposes signals on the carrier wave?
Modulation
Amplification
Detection
Tuning
In computers what is the abbreviation for the term "binary digit"?
bit
byte
baud
DIN
When water passes from a weak solution to a strong solution through a semipermeable membrane - what term is used?
Osmosis
Dialysis
Electrolysis
Diffraction
Steel can be hardened by heating it then plunging it into water. What is this technique called?
Tempering
Annealing
Case hardening
Smelting
Which part of the eye controlsthe amount of light entering?
Iris
Pupil
Cornea
Retina
In which part of the body is the hormone insulin produced?
Pancreas
Kidneys
Brain
Thyroid
What is the main inorganic compound present in bone?
Calcium Phosphate
Calcium Carbonate
Magnesium Phosphate
Magnesium Chloride
A Saprophyte feeds on decayingorganic matter. What is a Saprophyte?
Plant
Bird
Animal
Insect
What is the name of the tube which carries food from the mouth to the stomach?
Oesophagus
Trachea
Duodenum
Ileum
Where are the red blood cells made in the body?
Bone marrow
Liver
Heart
Spleen
What is the unit of electricalresistance?
Ohm
Volt
Amp
Watt
An electric kettle connected to a 240V supply consumes l000W. How much power will it consume from a 120V supply?
250W
500W
1000W
2000W
What is measured using a pyrometer?
Temperature
Pressure
Magnetism
Distances
Silicon carbide is a very hardmaterial used as an abrasive. By what other name is it known?
Carborundum
Silica Gel
Carbon Steel
Graphite
If someone is short-sighted they suffer from what condition?
Myopia
Hypermetropia
Miosis
Presbyopia
What is the medical name for the collar-bone?
Clavicle
Scapula
Sternum
Carpus
By what process is food material propelled along the intestines?
Peristalsis
Osmosis
Neurosis
Proteolysis
Acidity and alkalinity is measured on the pH scale. Whatis the pH value for pure water?
7
5
10
14
How many vertebrae are there in the human spine?
33
28
24
32
What is a Geiger counter used to measure?
Radioactivity
Light intensity
Sea Depth
Noise levels
Which acid is present in vinegar?
Acetic
Citric
Sulphuric
Lactic
Which vitamin is found in abundance in citrus fruits?
Vitamin C
Vitamin D
Vitamin A
Vitamin B
In an aircraft, what does the Altimeter indicate?
Height
Air speed
Wind speed
Distance travelled
What is the common use for silica gel?
Drying agent
Lubricant
Abrasive
Ointment
What is the name of a device used for controlling temperature?
Thermostat
Rheostat
Thermopile
Pyrometer
What are "peroxides" commonly used for?
Bleaching
Dyeing
Cleaning
Purifying
What is the number system called which uses a base of 16?
Hexadecimal
Octal
Duodecimal
Binary
Water depth is often measured in fathoms. How many metres is one fathom?
1.83
6
180
1024
What is the name of the line on a ship's hull which marks the safe limit of cargo loading?
Plimsoll line
Water line
Tide mark
Plumbline
What are nitroglycerin and tri-nitrotoluene used as?
Explosives
Medicine
Fertiliser
Sweeteners
What is the name of the curve formed by a rope or chain hanging between two supports?
Catenary
Parabola
Exponential
Hyperbola
What is absolute zero in °C?
-273°C
0°C
-100°C
-355°C
What is the heaviest known metal on earth?
Osmium
Lead
Gold
Lithium
What is "Oil of Vitriol" otherwise known as?
Sulphuric Acid
Cyanide
Boric Acid
Sodium Peroxide
The study of fossils is known as ....?
Palaeontology
Archaeology
Anthropology
Entomology