Today’s GK Test Quiz

Traditionally, newsprint was made from fibres extracted from various softwood species of trees (most commonly, spruce, fir, balsam fir or pine). However, an increasing percentage of the world's newsprint is made with recycled fibres. Temperate deciduous or temperate broad-leaf forests are a variety of temperate forest 'dominated' by trees that lose their leaves each year.

Non-conventional energy (also known as Renewable energy) sources are sources that are renewed by natural processes on a continual basis. Energy generated by using wind, solar, small hydro, tides, geothermal heat and biomass is known as non-conventional energy. Hydroelectric power is a renewable energy source. It uses the energy of running water, without reducing its quantity, to produce electricity.

Saliva contains a special enzyme called amylase that helps digest the starches in food. Amylase breaks down starches (complex carbohydrates) into sugars, which the body can more easily absorb. Saliva also contains an enzyme called lingual lipase, which breaks down fats.

The colour of the eye depends upon the amount and quality of melanin present in the iris. A high concentration of melanin gives the iris a brown colour, a moderate concentration of melanin results in a greenish or hazel iris, and a low concentration of melanin results in a blue iris.

Germplasm bank is meant for the ex-situ conservation of various species. Ex-situ conservation is the technique of conservation of all levels of biological diversity outside their natural habitats through different techniques like zoo, captive breeding, aquarium, botanical garden, gene bank and Germplasm banks.

The carbon dating method (carbon-14 dating) is a method for determining the age of an object containing organic material by using the properties of radiocarbon, a radioactive isotope of carbon. The carbon dating method is not used to determine the age of rock as it only works for objects that are younger than about 50,000 years, and most rocks of interest are older than that.

The metal, which is a constituent of vitamin B₁₂ is Cobalt. Cyanocobalamin (commonly known as Vitamin B₁₂) is a highly complex, essential vitamin, owing its name to the fact that it contains the mineral, cobalt.

Most of high-level supersonic aircraft produce harmful pollutant CFCs in the stratosphere. This leads to the thinning of the O₃ (ozone) layer.

Savannah is a large, flat area of land covered with grass, usually with few trees. It is also known as tropical grasslands, which are found to the north and south of tropical rainforest biomes.

Article 66 of the Indian Constitution states the manner of election of the Vice President. The Vice-President is elected by an electoral college consisting of members of both Houses of Parliament.

Between 1952 and 2020, two seats were reserved in the Lok Sabha for members of the Anglo-Indian community (Article 334). These two members were nominated by the President of India. In January 2020, the Anglo-Indian reserved seats in the Parliament and State Legislatures of India were discontinued by the 126th Constitutional Amendment Bill of 2019, when enacted as the 104th Constitutional Amendment Act 2019.

Net investment is the total amount of money that a company spends on capital assets, minus wear and tear (cost of the depreciation) of those assets.

The fourth Five-Year Plan was from 1969 to 1974. It targeted achieving self-reliance through progressive movement and achieving stable growth. During the implementation of this plan, then Prime Minister Indira Gandhi called the slogan 'GARIBI HATAO'.

A prime cost is the total direct costs of production, including raw materials and labour. Indirect costs, such as utilities, manager salaries, and delivery costs, are not included in prime costs. The prime cost equation is equal to the cost of raw materials plus direct labour. All the prime costs are variable costs and they are directly attributable. They do not include indirect variable costs and any fixed costs.

The European Union (EU) is a political and economic union of 27 member states that are located primarily in Europe. The EU has no official capital but Brussels (Belgium) is considered the de facto capital of the European Union.

Home Rule League, either of two short-lived organizations of the same name in India established in April and September 1916, respectively, by Indian nationalist Bal Gangadhar Tilak and British social reformer and Indian independence leader Annie Besant.

In solar cookers, sunlight is converted to thermal energy. Infrared rays are responsible for the working of the solar cooker. Infrared radiation has the right energy to make the water, fat and protein molecules in food vibrate vigorously and heat up.

Anemometer is an instrument used to measure the force, pressure and velocity (speed) of the wind. It is an important tool for meteorologists, who study weather patterns.

Stars have different colours, which are indicators of temperature. The hottest stars tend to appear blue or blue-white, whereas the coolest stars are red.

Sonar (sound navigation and ranging) is an equipment or a system for finding objects underwater using sound waves.