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Science and Technology - General Knowledge Questions
A)
Forgetfulness
B)
Temporary blindness
C)
Disrupted sleep
D)
All of the above

Correct Answer :   All of the above

A)
Maltose
B)
Dextrose
C)
Levulose
D)
Ribose

Correct Answer :   Dextrose

A)
Trypsin
B)
Maltase
C)
Amylase
D)
Pepsin

Correct Answer :   Amylase

An enzyme called amylase breaks down starches (complex carbohydrates) into sugars, which your body can more easily absorb. Saliva also contains an enzyme called lingual lipase, which breaks down fats.

A)
Acid used in Batteries
B)
Saline water
C)
Pure water
D)
Milk

Correct Answer :   Acid used in Batteries

A)
Cornea
B)
Retina
C)
Iris
D)
Lens

Correct Answer :   Lens

A cataract is a dense, cloudy area that forms in the lens of the eye. A cataract begins when proteins in the eye form clumps that prevent the lens from sending clear images to the retina. The retina works by converting the light that comes through the lens into signals.

A)
James Simpson
B)
Christian Barnard
C)
Alexander Fleming
D)
Edward Jenner

Correct Answer :   James Simpson

It is widely accepted that Sir James Young Simpson discovered the anaesthetic properties of chloroform and pioneered its application in surgery and midwifery. The name of Simpson is not infrequently also associated with the discovery of chloroform and of anaesthesia.

A)
Nuclear energy
B)
Solar energy
C)
Petrol
D)
Coal

Correct Answer :   Solar energy

Renewable resources include solar energy, wind, falling water, the heat of the earth (geothermal), plant materials (biomass), waves, ocean currents, temperature differences in the oceans and the energy of the tides.

A)
Iron
B)
Brass
C)
Tungsten
D)
Nichrome

Correct Answer :   Nichrome

Nichrome: Most resistance wire heating elements usually use nichrome 80/20 (80% Nickel, 20% Chromium) wire, ribbon, or strip. Nichrome 80/20 is an ideal material, because it has relatively high resistance and forms an adherent layer of chromium oxide when it is heated for the first time.

A)
Nickel
B)
Zinc
C)
Cobalt
D)
Iron

Correct Answer :   Cobalt

Vitamin B₁₂ is also referred to as cobalamin, because it contains a metal ion (cobalt). This makes it the largest and most complex vitamin of all.

A)
Water and Salt secretion
B)
Causes contraction of gall bladder
C)
Stimulates HCI production
D)
Stimulate urine elimination

Correct Answer :   Stimulates HCI production