The instrument used to measure electric current is

A. ammeter
B. electrometer
C. galvanometer
D. spectrometer
✅ The correct answer is option A.
The instrument used to measure electric current is ammeter. Ammeter, instrument for measuring either direct or alternating electric current, in amperes. An ammeter can measure a wide range of current values because at high values only a small portion of the current is directed through the meter mechanism; a shunt in parallel with the meter carries the major portion.

The reaction which converts sugar solution into alcohol is an example of

A. saponification
B. hydrogenation
C. fermentation
D. hydrolysis
✅ The correct answer is option C.
The reaction which converts sugar solution into alcohol is an example of fermentation. Fermentation is a metabolic process in which an organism converts a carbohydrate, such as starch or a sugar, into an alcohol or an acid.

Unofficial, and usually illegal, system of providing people with more then their share of goods and services where their prices are controlled, is called

A. black money
B. blue chip
C. black market
D. black economy
✅ The correct answer is option C.
Unofficial, and usually illegal, system of providing people with more then their share of goods and services where their prices are controlled, is called black market. The black market is distinct from the grey market, in which commodities are distributed through channels that, while legal, are unofficial, unauthorized, or unintended by the original manufacturer, and the white market, in which trade is legal and official.

The basic cause of World War II was

A. an unjust Treaty of Versailles
B. rise of the Nazi Party in Germany
C. Japan’s policy of expansion and imperialism of England and France
D. All of the above
✅ The correct answer is option D.
The basic cause of World War II was an unjust Treaty of Versailles, rise of the Nazi Party in Germany and Japan’s policy of expansion and imperialism of England and France.

The News Agency “Associated Press” is of

A. Indonesia
B. America
C. Bangladesh
D. China
✅ The correct answer is option B.
The News Agency “Associated Press” is of America. The Associated Press (AP) is an American not-for-profit news agency headquartered in New York City. Founded in 1846, it operates as a cooperative, unincorporated association. Its members are U.S. newspapers and broadcasters. The AP news report, distributed to its members and customers, is produced in English, Spanish and Arabic. The AP has earned 53 Pulitzer Prizes, including 31 for photography, since the award was established in 1917.

In UNO, the new members are admitted to the General Assembly on the recommendation of ____ and ____ the members of the General Assembly should vote in favour.

A. Security Council; one-third
B. Security Council; two-third
C. International Court of Justice; one-third
D. International Court of Justice; two-thirds
✅ The correct answer is option B.
In UNO, the new members are admitted to the General Assembly on the recommendation of Security Council and two-third of the members of the General Assembly should vote in favour.

Pythagoras was first to ____ the universal validity of geometrical theorem.

A. give
B. both
C. prove
D. None of the above
✅ The correct answer is option C.
Pythagoras was first to prove the universal validity of geometrical theorem. He is known best for the proof of the important Pythagorean theorem, which is about right angle triangles.

The Treaty of Versailles was signed in

A. 1917
B. 1918
C. 1919
D. 1920
✅ The correct answer is option C.
The Treaty ended the state of war between Germany and the Allied Powers. It was signed on 28 June 1919 in Versailles, exactly five years after the assassination of Archduke Franz Ferdinand, which had directly led to the war. The other Central Powers on the German side signed separate treaties.