General Knowledge Quiz

DDT (dichlorodiphenyltrichloroethane) is a persistent organic pollutant. While it is a famous pesticide, it is not primarily known as an ozone-depleting substance; however, in the context of older multiple-choice questions, it is often grouped with environmental pollutants. Note: Methyl bromide is a more accurate ozone-depleting pesticide, but it is not an option here.

The atomic nucleus is the central part of an atom, consisting of positively charged protons and electrically neutral neutrons.

As altitude increases, the column of air above a given point decreases, resulting in lower atmospheric pressure.

Tea and coffee plantations require well-drained, slightly acidic, and nutrient-rich soil, which is typically found in hilly or mountainous regions.

A cartographer is a person who studies and practices the art and science of map-making.

Precipitation refers to water falling from the atmosphere to the ground (rain, snow, hail). Fog is a suspension of water droplets in the air near the surface, not a form of precipitation.

The World Health Organization officially declared the global eradication of smallpox in 1980.

Unmilled or brown rice retains the bran layer, which is a rich source of B-complex vitamins, particularly thiamine (Vitamin B1).

Welding flash, or photokeratitis, is caused by intense ultraviolet radiation from welding arcs, which damages the cornea of the eyes.

Robert Koch identified Vibrio cholerae as the causative agent of cholera in 1883.

Titanium dioxide is a white, opaque, naturally occurring mineral used as a pigment in paints, sunscreens, and food products due to its extreme whiteness.

Lactic acid is produced by the fermentation of lactose by bacteria in milk, which causes the milk to curdle and form curd.

Muriatic acid is a historical name for hydrochloric acid (HCl), commonly used in industrial cleaning.

John Dalton is credited with developing the modern atomic theory in the early 19th century, establishing the concept of the atom as the fundamental building block of matter.

King George V announced the transfer of the capital of British India from Calcutta to Delhi during the Delhi Durbar in 1911.

The Ryder Cup is a biennial men's golf competition between teams from Europe and the United States.

Bahadur Shah Zafar was the last Mughal emperor, who was deposed by the British after the Indian Rebellion of 1857.

Bal Gangadhar Tilak was a prominent Indian nationalist who famously declared, 'Swaraj is my birthright and I shall have it.'

The Indian National Congress was founded in 1885. Therefore, its 100th anniversary was celebrated in 1985.

The Schick test was developed by Béla Schick to determine whether a person is susceptible to diphtheria.

IgG is the most abundant immunoglobulin in human serum, accounting for approximately 75 percent of all antibodies. It is the only class of antibody capable of crossing the placenta.

Edmund Berkeley published the first issue of Computers and Automation in 1951, though it evolved from his earlier publication, The Computing Machinery Field, which began in 1950. 1950 is generally accepted as the starting point for this publication history.

Eggs are a good source of many vitamins, including A, D, E, and B-complex, but they do not contain vitamin C.