701. Karl Marx’s ideology advocated

A. a classed unique society
B. a united society
C. a classed society
D. None of the above
✅ The correct answer is option C.
Karl Marx’s ideology advocated a classed society. Marx believed that the society was made up of two classes, the bourgeoisie, or business owners who control the means of production, and the proletariat, or workers whose labor transforms raw commodities into valuable economic goods.

703. The battle tanks designed and developed by the Defence Research and Development Organization in collaboration with Heavy Vehicles Factory and Bharat Heavy Electricals Limited are

A. Arjun
B. Vijayanta
C. T-55 and T-72
D. All of the above
✅ The correct answer is option A.
The battle tanks designed and developed by the Defence Research and Development Organization in collaboration with Heavy Vehicles Factory and Bharat Heavy Electricals Limited are Arjun.

705. Gabriel Daniel Fahrenheit was

A. a German Physicist
B. devised temperature scale
C. developed the mercury thermometer in 1714
D. All of the above
✅ The correct answer is option D.
Gabriel Daniel Fahrenheit was a German Physicist, devised temperature scale and developed the mercury thermometer in 1714. He invented the alcohol thermometer (1709), the first mercury thermometer (1714) and devised the Fahrenheit temperature scale. He also showed the boiling points of liquids vary with changes in pressure and that water can remain liquid below its freezing point.

706. When and where athletics introduced in the Olympics?

A. 1896 at Athens
B. 1900 at Paris
C. 1992 at Barcelona
D. 1995 at Athens
✅ The correct answer is option A.
Athletics was introduced in the Olympics in 1896 at Athens. On April 6, 1896, the first modern Olympic Games are held in Athens, Greece, with athletes from 14 countries participating. The International Olympic Committee met for the first time in Paris in June 1894 and chose Greece as the site of the inaugural modern Olympiad.

707. K.S. Ranjit Singhji was

A. first Bar-at-law
B. first Air Marshal
C. first Indian test cricketer
D. first Field Marshal
✅ The correct answer is option C.
K.S. Ranjit Singhji was first Indian test cricketer. Born on 10 September, 1872, in Kathiawar in modern-day Gujarat, Ranji was the first person of Indian origin to play Test cricket when he made his debut for England in 1896.

708. In which year, terrorists crash two planes into New York’s World Trade Centre on September 11 in a sequence of destruction?

A. 2000
B. 2001
C. 2002
D. 2003
✅ The correct answer is option B.
In year 2001, terrorists crash two planes into New York’s World Trade Centre on September 11 in a sequence of destruction. The September 11 attacks were a series of airline hijackings and suicide attacks committed in 2001 by 19 terrorists associated with the Islamic extremist group al-Qaeda. It was the deadliest terrorist attack on U.S. soil; nearly 3,000 people were killed.

709. Primary rainbow is formed when light suffers

A. two internal refractions before emerging out of the drop
B. one internal refractions before emerging out of the drop
C. no internal refraction
D. either one or two internal refractions before emerging out of the drop
✅ The correct answer is option B.
Primary rainbow is formed when light suffers one internal refractions before emerging out of the drop. In a primary rainbow, the arc shows red on the outer part and violet on the inner side. This rainbow is caused by light being refracted when entering a droplet of water, then reflected inside on the back of the droplet and refracted again when leaving it.

710. The 2005 Australian Open Tennis Championship titles for men’s and women’s singles were won, respectively by

A. Pete Sampras and Steffi Graf
B. Rafael Nadal and Venus Williams
C. Marat Safin and Serena Williams
D. Andre Agassi and Arantxa Sanchez-Vicario
✅ The correct answer is option C.
The 2005 Australian Open Tennis Championship titles for men’s and women’s singles were won, respectively by Marat Safin and Serena Williams. Dinara Mubinovna Safina is a Russian former world No. 1 tennis player. Serena Jameka Williams is an American professional tennis player and former world No. 1. She has won 23 major singles titles, most by any man or woman in the Open Era.