SSC GD Constable GK Questions 2026

Red cabbage is a natural acid-base indicator, methyl orange is a synthetic acid-base indicator, and onion and clove are olfactory indicators.

The d-block occupies the middle of the modern periodic table, groups 3 to 12, and its members are also called transition elements.

A red blood cell is a biconcave disc, thin in the middle and thick at the edge, not an amoeboid cell.

Mercury (Hg) belongs to group 12, not group 11. Group 11 of the modern periodic table holds copper (Cu, atomic number 29), silver (Ag, 47) and gold (Au, 79).

Platelets are the tiny cell fragments that rush to a cut and start the clot. They are also called thrombocytes and are made in the bone marrow from large cells called megakaryocytes.

The Sudirman Cup is the world mixed team championship of badminton, organised by the Badminton World Federation (BWF). It was first held in 1989 in Jakarta and is named after Dick Sudirman, the founder of the Badminton Association of Indonesia.

Sattriya was developed in the sattras, the Vaishnavite monasteries of Assam, by the saint-reformer Srimanta Sankardev in the 15th century.

The dance takes its name from its birthplace, the village of Kuchipudi, earlier called Kuchelapuram, in the Krishna district of Andhra Pradesh.

The Indian Olympic Association (IOA) was formed in 1927 and was recognised by the International Olympic Committee the same year.

The Sports Authority of India (SAI) was set up by the Government of India in January 1984 as a registered society under the Ministry of Youth Affairs and Sports.

The pineal gland, a small pine-cone-shaped gland deep in the brain, secretes melatonin. Melatonin controls the body's day-night rhythm, called the circadian rhythm, and helps regulate sleep.

Thiamin (thiamine) is vitamin B1, a water-soluble vitamin that helps the body turn carbohydrates into energy and keeps the nerves and heart working well.

Milk of magnesia is a milky white suspension of magnesium hydroxide, Mg(OH)2, in water. It is a mild base, so it neutralises the extra hydrochloric acid in the stomach that causes acidity and heartburn; the reaction gives magnesium chloride and water.

In 1831 the British scientist Michael Faraday showed that a changing magnetic field produces an electric current in a nearby coil.

Calcium oxychloride (CaOCl2) is bleaching powder, and the chlorine it releases removes colour from cotton and linen in the textile industry.

When coal, petrol or diesel burn with too little oxygen, the burning is incomplete and gives out carbon monoxide, soot and unburnt hydrocarbons, the worst pollutants from vehicles and power plants.

In this food chain grass is the producer, the impala is the herbivore and the hyena is the predator that keeps the impala population in check.

Under Section 22 of the RBI Act, 1934, the Reserve Bank has the sole right to issue banknotes in India.

The Seventh Five Year Plan (1985–90), launched under Prime Minister Rajiv Gandhi, had the slogan 'food, work and productivity'. It aimed to raise food grain production, create jobs and improve productivity, and it laid stress on modern technology.

The First Five Year Plan (1951–56) gave top priority to agriculture, irrigation and power, because India faced food shortages after Partition and needed to feed its people first.