Science and Technology - General Knowledge Questions

A)
The formation of rocks
B)
Human Behaviors
C)
Birds
D)
Insects

Correct Answer :   Insects

Entomology is the study of insects. More than one million different species of insect have been described to date. They are the most abundant group of animals in the world and live in almost every habitat.

A)
Oceans
B)
Poles
C)
Equators
D)
None of the above

Correct Answer :   Poles

Earth's rotational effects on horizontally and freely moving objects are greatest at the poles; therefore, the Coriolis effect is greatest at the poles.

A)
Hydrogen Peroxide
B)
Carbohydrates
C)
Hydrocarbons
D)
None of the above

Correct Answer :   Hydrocarbons

Chemically, kerosene is a mixture of hydrocarbons. The chemical composition depends on its source, but it usually consists of about 10 different hydrocarbons, each containing 10 to 16 carbon atoms per molecule.

A)
Vacuum
B)
Mercury
C)
Liquid
D)
Solid

Correct Answer :   Vacuum

When travelling through air, the speed of sound is about 330 metres per second (m/s). Sound cannot travel through a vacuum because there are no particles to carry the vibrations.

A)
33.8
B)
32.1
C)
30.6
D)
28.3

Correct Answer :   33.8

A)
22
B)
24
C)
27
D)
30

Correct Answer :   24

The rib cage surrounds the lungs and the heart, serving as an important means of bony protection for these vital organs.In total, the rib cage consists of the 12 thoracic vertebrae and the 24 ribs, in addition to the sternum.

A)
Ross 154
B)
Barnard's Star
C)
Proxima Centauri
D)
Sirius A and B

Correct Answer :   Proxima Centauri

Proxima Centauri, the closest star to our own, is still 40,208,000,000,000 km away. (Or about 268,770 AU.)

A)
Watt
B)
Volt
C)
Ohm
D)
Ampere

Correct Answer :   Ampere

The ampere, symbol A, is the SI unit of electric current. It is defined by taking the fixed numerical value of the elementary charge e to be 1.602 176 634 ×10⁻¹⁹ when expressed in the unit C, which is equal to A s, where the second is defined in terms of ∆νCs

A)
Galileo Galilei
B)
Hans Lipperhey
C)
Copernicus
D)
None of the above

Correct Answer :   Hans Lipperhey

The first person to apply for a patent for a telescope was Dutch eyeglass maker  Hans Lippershey (or Lipperhey). In 1608, Lippershey laid claim to a device that could magnify objects three times. His telescope had a concave eyepiece aligned with a convex objective lens. One story goes that he got the idea for his design after observing two children in his shop holding up two lenses that made a distant weather vane appear close. Others claimed at the time that he stole the design from another eyeglass maker, Zacharias Jansen.

A)
1729
B)
1650
C)
1532
D)
1427

Correct Answer :   1729

The Hardy-Ramanujan number stems from an anecdote wherein the British mathematician GH Hardy had gone to meet S Ramanujan in hospital. Hardy said that he came in a taxi having the number '1729', which the British mathematician described "as rather a dull one".