National science day online quiz

In computing, 1 Kilobyte (KB) is defined as 1024 bytes (2^10 bytes).

Quicksilver is a common name for the element mercury, which has the chemical symbol Hg.

Chlorine gas is well known for its distinct pale yellow-green color at room temperature. Hydrogen, Krypton, and Neon are colorless gases.

John Newlands proposed the Law of Octaves in 1865, which stated that elements exhibit similar properties when arranged by increasing atomic mass, repeating every eighth element.

The term Ayurveda is derived from the Sanskrit words 'Ayur' (life) and 'Veda' (knowledge or science). Thus, it translates to the science of life.

Water exhibits the anomalous property of having its maximum density at 4 degrees Celsius. Below this temperature, it begins to expand as it forms a crystalline structure.

The Mariana Trench, located in the western Pacific Ocean, contains the Challenger Deep, which is the deepest known point in Earth's oceans.

Angel Falls in Venezuela is recognized as the world's highest uninterrupted waterfall, with a height of 979 meters.

Variable stars, such as Cepheid variables, pulsate because of the periodic expansion and contraction of their outer layers, which is driven by changes in opacity and temperature.

A parasite is an organism that lives on or in a host organism and gets its food from or at the expense of its host. Ringworm is a fungal infection that acts as a parasite on human or animal skin.

According to the Arrhenius definition, bases are substances that dissociate in aqueous solution to release hydroxide ions (OH-).

Sir Humphry Davy invented the Davy lamp in 1815 to allow miners to work in coal mines where methane and other flammable gases were present.

Stomata are tiny openings or pores on the surface of leaves that allow for gas exchange, including the intake of carbon dioxide and the release of oxygen and water vapor.

The Bee Hummingbird, native to Cuba, is the smallest bird in the world and lays the smallest eggs of any bird species.

In biological terms, the 'germ' or germinal disc is the part of the egg that contains the genetic material and develops into the embryo, making it the most critical part for reproduction.

Ores are naturally occurring rocks or minerals that contain a sufficiently high concentration of metals to make their extraction economically viable.

Non-luminous bodies do not produce their own light. We see them because they reflect light from a luminous source into our eyes.

The Raman Research Institute (RRI) was founded by Sir C.V. Raman and is located in Bengaluru, India.

Leo Hendrik Baekeland was a Belgian-American chemist who invented Bakelite, the first plastic made from synthetic components, in 1907.

Silver (Ag) has the highest electrical conductivity of all metals at room temperature, followed by copper (Cu) and gold (Au).

A meteor is a space rock that enters Earth's atmosphere and burns up due to friction, creating a streak of light.

Dry ice is the solid form of carbon dioxide (CO2). It is called 'dry' because it sublimes directly from a solid to a gas without passing through a liquid phase.

Methane (CH4) is the primary component of both natural gas and biogas, typically making up 50% to 90% of the mixture.

Anthracite is the highest rank of coal, containing 86-97 percent carbon. It has the highest energy density and burns with the least smoke compared to bituminous, lignite, or peat.

Coal gas is a flammable gaseous fuel made from coal. Its primary components are hydrogen, methane, and carbon monoxide, with methane being a significant constituent.

The Central Drug Research Institute (CDRI) is a premier research laboratory located in Lucknow, Uttar Pradesh, India.

The first experimental telegraph line in India was established by Lord Dalhousie in 1851, connecting Calcutta and Diamond Harbour, but the first official long-distance line connected Calcutta and Agra in 1854.

The Indian mathematician Aryabhatta provided a very accurate approximation for Pi in his work, the Aryabhatiya, calculating it as approximately 3.1416.

Acetylene (ethyne) is commonly used for artificial fruit ripening. While ethylene is a natural ripening hormone, acetylene is the chemical often used in industrial/commercial ripening processes.

TNT stands for Trinitrotoluene. It is a chemical compound with the formula C6H2(NO2)3CH3, widely used as an explosive.