CDS Previous Year GK Questions

Both are stored forms of glucose, but plants store it as starch and animals as glycogen. Starch and glycogen are polysaccharides, long chains of glucose units.

Genetic modification is used in plants, animals and microbes alike, so this statement is false. A genetically modified organism is one whose DNA has been changed, usually by taking a useful gene from one organism and putting it into another.

The chloride ion has 18 electrons, while the magnesium ion has only 10, so the two are not isoelectronic. Isoelectronic species have the same number of electrons.

Walls are whitewashed with a solution of slaked lime, calcium hydroxide, which is an inorganic compound; quicklime itself is not applied, and the shiny layer comes from Ca(OH)₂, not CaO.

The monks who went south were the followers of Bhadrabahu, who later became the Digambaras, not the Shvetambaras.

Magnesium ribbon burns in air with a dazzling white flame, giving off heat and light and leaving a white powder of magnesium oxide.

Amuktamalyada was written in Telugu by Krishnadevaraya, the greatest ruler of the Tuluva dynasty of Vijayanagara. Krishnadevaraya ruled from 1509 to 1529.

Both statements reverse the two approaches: empirical knowledge aims to be value-free, while normative knowledge is value-loaded. The empirical approach studies politics as it is.

An atomic clock keeps time by locking onto the fixed frequency of radiation that makes atoms such as cesium-133 or rubidium jump between two energy levels.

Lithium is so light that it floats on kerosene or paraffin oil, so it is kept coated in petroleum jelly or paraffin wax, or under an inert gas, instead of under oil.

A Van de Graaff generator is an electrostatic machine that builds up a very large static charge on a hollow metal sphere, raising it to millions of volts.

Jordan grew out of the British Mandate after the First World War, but it is not landlocked because it touches the Gulf of Aqaba.

Starlight is bent again and again by layers of air of changing density, so its path and brightness keep shifting and the star seems to twinkle.

The focal length is 10 cm, and an object between F and C of a concave mirror gives a real image beyond C, in front of the mirror.

X-rays are electromagnetic waves made of photons, which carry no electric charge, so electric and magnetic fields cannot bend them.

The Committee on Welfare of Other Backward Classes is a joint committee whose Chairperson is appointed by the Speaker of the Lok Sabha from among its members.

The order is the Cornwallis Code (1793), the Vernacular Press Act (1878), the first Indian Factory Act (1881) and the Morley-Minto Reforms (1909).

Of the four, ultraviolet lies furthest towards the short-wavelength, high-energy end of the electromagnetic spectrum. All electromagnetic waves travel at the speed of light in vacuum, but they differ in wavelength and frequency.

In Köppen's scheme, 'A' is a tropical climate and 'w' means a dry winter, which together describe the tropical savanna.

The pulmonary veins carry oxygen-rich blood from the lungs into the left atrium. In double circulation, blood passes through the heart twice in each full round.