Science and Technology - General Knowledge Questions

A)
J. Robert Oppenheimer
B)
Felix Adler
C)
Lyndon B. Johnson
D)
All of the above

Correct Answer :   J. Robert Oppenheimer

Julius Robert Oppenheimer was an American theoretical physicist and professor of physics at the University of California, Berkeley. Oppenheimer was the wartime head of the Los Alamos Laboratory and is among those who are credited with being the "father of the atomic bomb" for their role in the Manhattan Project, the World War II undertaking that developed the first nuclear weapons. The first atomic bomb was successfully detonated on July 16, 1945, in the Trinity test in New Mexico.

A)
aluminium and copper
B)
copper and iron
C)
copper and tin
D)
tin and aluminium

Correct Answer :   copper and tin

Bronze is the mixture of is a mixture of copper and tin. The composition is copper is 88% and tin is 12%.

A)
slate
B)
gneiss
C)
phyllite
D)
All of the above

Correct Answer :   All of the above

Some kinds of metamorphic rocks -- granite gneiss and biotite schist are two examples -- are strongly banded or foliated. (Foliated means the parallel arrangement of certain mineral grains that gives the rock a striped appearance.)

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.