11.

First human heart transplant operation conducted by Dr. Christian Bernard on Louis Washkansky, was conducted in

A. 1967 B. 1968
C. 1958 D. 1922
Answer:A
Explanation: Louis Washkansky (1913 - 21 December 1967) was the recipient of the world's first human heart transplant. Washkansky died of double pneumonia eighteen days after the transplant because of a weakened immune system.

12.

Galileo was an Italian astronomer who

A. developed the telescope B. discovered four satellites of Jupiter
C. discovered that the movement of pendulum produces a regular time measurement D. All of the above
Answer:D
Explanation: No answer description available for this question.

13.

Exposure to sunlight helps a person improve his health because

A. the infrared light kills bacteria in the body B. resistance power increases
C. the pigment cells in the skin get stimulated and produce a healthy tan D. the ultraviolet rays convert skin oil into Vitamin D
Answer:D
Explanation: No answer description available for this question.

14.

Golf player Vijay Singh belongs to which country?

A. USA B. Fiji
C. India D. UK
Answer:B
Explanation: No answer description available for this question.

15.

First Afghan War took place in

A. 1839 B. 1843
C. 1833 D. 1848
Answer:A
Explanation: No answer description available for this question