CDS GK Questions 2026

Article 263 lets the President set up an Inter-State Council by order whenever it appears that public interest would be served by it.

Insulin is a protein (peptide) hormone made in the human body by the beta cells of the islets of Langerhans in the pancreas.

The Election Commission first used VVPAT machines with EVMs in the by-election to Noksen in Tuensang district, Nagaland, in September 2013.

After fertilisation, each ovule grows into a seed, and the ovary that holds the ovules grows into the fruit. In flowering plants, a pollen tube carries two male gametes to the ovule.

Gold is a noble metal at the bottom of the reactivity series, so it does not react with oxygen, water or ordinary acids.

Biogas is mostly methane, usually about 50 to 75 percent, and it is the methane that burns with a clean blue flame and no smoke.

JP argued for a "partyless democracy" in which representatives would be chosen by the people directly, without competing political parties.

In photosynthesis, green plants take carbon dioxide from the air and combine it with water, using sunlight, to make carbohydrates such as glucose.

On 13 April 1919 troops fired without any warning on an unarmed crowd in Jallianwala Bagh, Amritsar, on the orders of Brigadier-General Reginald Dyer.

The breakdown of glucose into pyruvate, called glycolysis, takes place in the cytoplasm (cytosol) of the cell. Glycolysis is the first step of respiration in almost every living cell.

Holothuria, the sea cucumber, is an echinoderm, a non-chordate group, so it never has a notochord at any stage of life.

Burning coal, petrol and diesel releases oxides of sulphur and nitrogen (and carbon), which dissolve in rain water to form acids.

When blood glucose is more than the body needs, the hormone insulin helps convert it into glycogen, which is stored mainly in the liver and the muscles.

Chewing gum pollutes because its gum base is largely made of synthetic plastic polymers that do not break down. Gum was once made from chicle, a natural latex from the sapodilla tree.

All three are classic pieces of evidence used to support Alfred Wegener's theory that the continents were once joined. Wegener proposed in 1912 that all continents formed one supercontinent, Pangaea, which later broke apart.

The Western Hoolock Gibbon is an Endangered ape protected in a sanctuary in Assam, and it moves by swinging from branch to branch, but it is a light, slender animal, not heavily built like a gorilla.

The Great Hornbill lives in tall, evergreen and moist deciduous forests, and the Western Ghats are one of its two main homes in India.

The Digital Single Market Strategy was adopted by the European Commission in May 2015 to extend the EU's single market to the online world.

Open APIs let any device or application connect to Aadhaar's authentication service, and that service accepts iris scans as well as fingerprints, OTP and demographic data.

The title "Tansen" is traced to Raja Vikramajit of Gwalior, long before he reached Akbar's court. Born Ramtanu near Gwalior, Tansen trained under Swami Haridas in the Dhrupad tradition that Raja Man Singh Tomar had made famous in Gwalior.