Practice MCQ Questions and answers on Basic General Knowledge-GK

To produce sound it is necessary that the source may execute any type of vibrations. Sound requires material medium for its propagation. It is produced when a body vibrates. The vibrations produced at a point are transmitted in the medium (air) from one point to the next and so on in the form of mechanical waves which produce compressions and rarefactions in air.

The UN library is known by the name of Hammarskjoeld library. The Dag Hammarskjöld Library is a library on the grounds of the headquarters of the United Nations, located in the Turtle Bay/East Midtown neighborhood of Manhattan, in New York City. It is connected to the Secretariat and Conference buildings through ground level and underground corridors. It is named after Dag Hammarskjöld, the second Secretary-General of the United Nations.

The theory of inheritance of acquired character was propounded by J.B. Lamarck. Lamarck is best known for his Theory of Inheritance of Acquired Characteristics, first presented in 1801 (Darwin's first book dealing with natural selection was published in 1859): If an organism changes during life in order to adapt to its environment, those changes are passed on to its offspring.

Water is a good solvent of ionic salts because it has a high dipole moment. Salts are ionic compounds which, when dissolved in water, break up completely into ions. They arise by the reaction of acids with bases, and they always contain either a metal cation or a cation derived from ammonium (NH4+).

Vijayalakshmi Pandit was the first women minister of an Indian state (UP), the first women to become president of the UN General Assembly and the first Indian women Ambassador to Moscow.

The Territorial Army was established in 1948. It was replaced by the Auxiliary Force (for Europeans and Eurasians) and the Indian Territorial Force (for Indians) in 1920. The modern Territorial Army was inaugurated by the first Indian Governor-General of India, C. Rajagopalachari, on 9 October 1949 after the Independence Territorial Army Act was passed in 1948.

Tiger Woods is associated with Golf. Eldrick Tont "Tiger" Woods (born December 30, 1975) is an American professional golfer. He is tied for first in PGA Tour wins and ranks second in men's major championships and also holds numerous golf records. Woods is widely regarded as one of the greatest golfers, and one of the most famous athletes of all time.

The UN charter was ratified in 1945 by 29 nations.

Uttaranchal has international boundary with China and Nepal in north, north-east and eastern side.

The trophy know by the name of Grand Prix is associated with table tennis, lawn tennis and shooting.