CDS GK Questions 2026

The first all-India census was attempted in 1872, and from 1881 a census has been held every ten years. The 1872 count, under Viceroy Lord Mayo, was taken in different regions at different times and did not cover the whole country, so it is called the first, non-synchronous attempt.

Magma is mostly molten silicate, so the minerals that crystallise from it, such as feldspar, quartz, mica, pyroxene and olivine, are silicates.

TELNET is an application-layer protocol that lets a user log in to a remote computer and work on it through a text terminal.

The standard hydrogen electrode has a real, non-zero potential; it is only assigned the value zero by convention. The absolute potential of a single electrode cannot be measured, because any measurement needs a second electrode to complete the circuit.

This is false: the north-east has several tiger reserves. Manas, Kaziranga, Nameri and Orang in Assam, Namdapha, Pakke (Pakhui) and Kamlang in Arunachal Pradesh, and Dampa in Mizoram are all tiger reserves.

Bank rate and open market operations are instruments of the Reserve Bank's monetary policy; public debt and public revenue belong to fiscal policy.

It states that when hot and cold bodies are mixed in an insulated system, heat lost by the hot body equals heat gained by the cold body.

In inter-cropping the crops share a field at the same time but stand in planned rows. A common pattern is one row of one crop after a set number of rows of another, for example soyabean with maize, or pearl millet (bajra) with cowpea (lobia).

The Arabian plate, which carries most of the Saudi Arabian landmass, is counted among the minor plates.

SGST Acts are passed by each State Legislature, not by Parliament. The 101st Amendment, 2016 added Article 246A, which gives both Parliament and the State Legislatures the power to make laws on GST, and Article 279A, which created the GST Council.

William Carey, Joshua Marshman and William Ward, the 'Serampore Trio', ran the Baptist mission at Serampore. Carey reached Bengal in 1793, and Marshman and Ward joined him in 1799.

Deflation is the opposite of inflation: the general price level keeps falling over a period of time. When prices fall steadily, the purchasing power of money rises, but the effect on the economy is usually harmful.

Dengue virus is a flavivirus, an RNA (ribonucleic acid) virus of the family Flaviviridae. Dengue is spread mainly by the bite of the female Aedes aegypti mosquito, which breeds in clean, stagnant water and bites during the day.

In 1851 Lord Dalhousie called Awadh a cherry that would one day drop into the Company's mouth, and five years later he annexed it.

Only statement 1 is wrong: these trees shed their leaves in winter, not in summer. Mid-latitude (temperate) deciduous forests grow where summers are warm and moist and winters are cold.

Each theory is paired with the scientist who put it forward. Immanuel Kant proposed the Gaseous Hypothesis in 1755: a slowly rotating cloud of hot gas condensed to form the Sun and the planets.

Metal blocks X-rays far more strongly than body tissue, so it spoils the picture. An X-ray image is a shadow picture.

The Agulhas current flows in the Indian Ocean, down the south-east coast of Africa, so it is not a Pacific current.

Saguna bhakti is devotion to God with attributes, so it centres on particular deities and imagines them in human-like forms.

The name comes from the Greek words for naked and seed: gymnosperms bear seeds that are not enclosed in a fruit, and most of them are woody, evergreen trees.