4081. Which part of cinchona plant yields quinine?
Bark
4082. Who was the ruler of Chittor, when Alauddin Khilji attacked and conquered it in 1303 A.D. ?
Rana Ratan Singh
4083. Who was the last military officer of the American revolution to become the President of America?
James Munroe
4084. Who is the author of “Aeneid”?
Virgil
4085. Where are a large number of species are found within a small unit of area?
Wet evergreen equatorial forests
4086. Who is the author of Sense and Sensibility ?
Jane Austen
4087. The most famous musician at the court of Akbar was Tansen; what was his original name?
Ramtanu Pande
4088. Finance Commission consists of how many members?
A Chairman and three other members
4089. The refractive index of a given piece of transparent quartz is greatest for which light?
Violet light
4090. Who was the Hindu saint to have as disciple both Hindus and Muslims?
Sri Chaitanya