CTET GK Questions 2026

He was a minister and a close friend of Akbar and wrote the Akbarnama, of which the Ain-i-Akbari forms the third volume, setting out the departments of state, the revenue of the provinces, the ranks of the nobility, the coins, the crops and the customs of the country.

Khusrau served a line of Sultans at Delhi, was a disciple of the Sufi saint Nizamuddin Auliya, and was given the title Tuti-e-Hind, the parrot of India.

This is one of the striking facts of Mughal cultural history: the emperor who withdrew court patronage from musical performance presided over a reign in which the largest number of Persian treatises on Indian classical music was written, as scholars turned from the court to the book.

He was an officer of Jahangir's court who continued the record of the reign after the emperor stopped writing his own memoir, and his Iqbalnama-i-Jahangiri is one of the main Persian sources for the period.

She was a daughter of Babur and a sister of Humayun, and she wrote her account of the family at the request of her nephew Akbar, who wanted material for the Akbarnama.

Babur's memoir was written in Chagatai Turkish and was translated into Persian in Akbar's time by Abdur Rahim Khan-i-Khanan, one of the nine jewels of the court, so that the book could be read by the Persian speaking nobility of the empire.

Babur wrote his memoirs in Chagatai Turkish, the language of his homeland in Central Asia, and the book is admired for its plain, observant prose about the men, fruits, animals and rivers of the countries he passed through.

The lateral meristem, better known as the cambium, lies as a ring along the length of the stem and root and divides to add new xylem on its inner side and new phloem on its outer side, so the stem grows thicker year after year; this is secondary growth, and…

Blood is classed as a connective tissue because its cells lie in a matrix, and because that matrix, the plasma, is liquid it is called a fluid connective tissue; the red cells, white cells and platelets float in it and it connects the organs of the body by carrying gases…

The muscle of the heart shows light and dark bands under the microscope, so it is striated, yet it is not under the control of the will and it contracts rhythmically without rest for the whole of life, so it is involuntary; this unusual combination is exactly why it is…

A neuron carries a long process called an axon, which in a human being may run from the base of the spine to the toe, so a single nerve cell can be about a metre long; this length lets one cell carry an impulse over a great distance without any…

Xylem is a complex permanent tissue of tracheids, vessels, xylem parenchyma and xylem fibres; the vessels and tracheids are dead, hollow and joined end to end, which makes them ideal pipes for carrying water and minerals from the root to the leaves in one direction.

A tendon is made of dense white fibrous connective tissue with great tensile strength and almost no elasticity, so when a muscle contracts the whole pull is transmitted to the bone without being lost in stretching.

Matthias Schleiden, a botanist, concluded that all plants are made of cells, and Theodor Schwann, a zoologist, reached the same conclusion for animals; together their statement became the cell theory.

A lysosome is a membrane-bound sac of powerful digestive enzymes that breaks down worn-out organelles and any foreign particle the cell takes in; if the cell is damaged or starving, the sacs burst and the same enzymes digest the cell itself, which is why the name suicide bag is used.

Both carry a small circular DNA of their own and their own 70S ribosomes, so they make a part of their protein themselves and divide independently of the cell; this semi-autonomous nature is the main evidence for the view that they descend from free-living bacteria engulfed by an early cell.

In 1665 he cut a thin slice of cork, examined it under a microscope of his own making and saw rows of empty boxes, which he named cells after the small rooms of a monastery; the drawing and description appeared in his book Micrographia.

The natural mineral form of mercuric sulphide is cinnabar, the chief ore of mercury, and its bright red powdered form has been used as the pigment vermilion for centuries.

Liquefied petroleum gas is a mixture of butane and propane and is by itself almost odourless, so a leak could fill a room unnoticed.

Temporary hardness is caused by the dissolved bicarbonates of calcium and magnesium. On boiling, these bicarbonates decompose into insoluble carbonates, which settle out as the scale seen in a kettle, so the water that remains is soft.