SSC MTS GK Questions 2026

Twelve pairs of cranial nerves arise from the brain and serve the head and neck, among them the optic nerve of sight, the auditory nerve of hearing and the vagus, the longest cranial nerve, which reaches the heart and the abdomen; thirty-one pairs of spinal nerves arise from the spinal…

The hyoid is a U-shaped or horseshoe-shaped bone lying in the front of the neck below the lower jaw; it is held in place only by muscles and ligaments and forms no joint with any other bone, which is why it supports the tongue and helps in speech and swallowing.

The thyroid is a butterfly-shaped gland in the neck, in front of the windpipe, and is the largest of the ductless or endocrine glands; it secretes thyroxine, for which iodine is essential, and the hormone controls the rate of metabolism, growth and development.

Each kidney contains about a million nephrons, and each nephron consists of a Bowman's capsule enclosing a knot of capillaries called the glomerulus, followed by a tubule in which useful substances are reabsorbed; together they filter the blood and form urine.

The islets of Langerhans are patches of endocrine tissue in the pancreas, and their beta cells secrete insulin, which lowers the level of glucose in the blood by helping cells take it up and by storing the surplus as glycogen; a lack of insulin causes diabetes mellitus.

The cerebellum lies behind and below the cerebrum and coordinates voluntary muscular activity, so it keeps the body balanced and the posture steady; damage to it causes a staggering walk even though the muscles are strong.

The Austrian scientist Karl Landsteiner discovered the A, B and O blood groups in 1901 and received the Nobel Prize for Physiology or Medicine in 1930 for the work; he was also associated with the discovery of the Rh factor, named after the rhesus monkey.

Red blood cells are produced in the red bone marrow, lose their nucleus on maturing and survive roughly four months, after which they are broken down in the spleen, which is accordingly called the graveyard of red blood cells; the iron released from their haemoglobin is used again.

The sino-atrial node is a small patch of specialised muscle tissue in the wall of the right atrium near the opening of the superior vena cava, and it generates the impulse that sets the rate of each heartbeat without any outside stimulus, which is why it is called the pacemaker.

The liver weighs about one and a half kilograms and is both the largest gland and the largest internal organ of the body; it secretes bile, stores glycogen, iron and vitamin A, converts ammonia into urea and detoxifies drugs and poisons.

The adult human skeleton has 206 bones, of which 80 belong to the axial skeleton, that is the skull, vertebral column and chest, and 126 to the appendicular skeleton of the limbs and girdles.

The stapes, shaped like a stirrup, is the innermost of the three ossicles of the middle ear and is the smallest bone in the human body, measuring only a few millimetres; the smallest muscle of the body, the stapedius, is attached to it.

It ended the patronage of the Court of Directors over appointments and laid down that recruitment to the covenanted civil service would be by open competition, which was thrown open to Indians as well; the committee under Macaulay that framed the scheme reported in 1854.

The Act directed that a sum of not less than one lakh rupees be set apart every year for the revival and improvement of literature, the encouragement of the learned natives of India and the introduction and promotion of a knowledge of the sciences.

The Act provided for the establishment of a Supreme Court at Calcutta, and the court was set up in 1774 with a Chief Justice and three other judges, Sir Elijah Impey being its first Chief Justice.

It added six new members to the Governor-General's Council for legislative purposes, so that law-making was carried on by a separate body which began to behave like a small parliament, with its own rules of business, and which is therefore regarded as the beginning of the Indian Legislative Council.

The Charter Act of 1833 added a fourth, law member to the Governor-General's Council for legislative work, and Thomas Babington Macaulay took up the post in 1834.

This Act was the final step in centralising British administration in India: it vested all civil and military powers in the Governor-General of India, took away the legislative powers of the Bombay and Madras governments, and made the East India Company a purely administrative agency holding its territories in trust…

Pressed by British manufacturers who wanted a free market in India, Parliament threw Indian trade open to all British subjects and allowed the Company to keep only the tea trade and the trade with China.

The Act separated the commercial and the political functions of the East India Company, leaving trade to the Court of Directors and placing civil, military and revenue administration under a newly created Board of Control answerable to Parliament.