Q11. From what do plants mainly obtain their nutrients?
(a) Soil
(b) Chlorophyll
(c) Atmosphere
(d) Light
(a) Soil
Q12. Dr. Rajendra Prasad was elected the Chairman of the Constituent Assembly?
(a) In December 1946
(b) In September 1946
(c) In October 1946
(d) In November 1946
(a) In December 1946
Q13. The total geographical area of Bihar state is
(a) 94,526 square kilometre’s
(b) 94,200 square kilometre’s
(c) 94,316 square kilometre’s
(d) 94,163 square kilometre’s
(d) 94,163 square kilometre’s
Q14. During whose reign did Tughril Khan revolt?
(a) Khizar Khan
(b) Balban
(c) Alauddin Khalji
(d) Firoz Tughlaq
(b) Balban
Q15. Which of the following scientists presented the ‘theory of relativity’?
(a) Marie Curie
(b) Albert Einstein
(c) Inac Newton
(d) Stephen Hawking
(b) Albert Einstein
Q16. Which district of Bihar is known as ‘Silk City’?
(a) Banka
(b) Katihar
(c) Bhojpur
(d) Bhagalpur
(d) Bhagalpur
Q17. What is the working principle of washing machine?
(a) dialysis
(b) Reverse osmosis
(c) Diffusion
(d) Centrifugation
(d) Centrifugation
Q18. In which year was the famous ‘Gandhi-Irwin Pact’ signed?
(a) 1932 AD
(b) 1929 AD
(c) 1930 AD
(d) 1931 AD
(d) 1931 AD
Q19. ‘Azad Dasta’ was active during which movement in Bihar?
(a) Quit India Movement
(b) Champaran Satyagraha
(c) Non-cooperation movement
(d) Civil disobedience movement
(a) Quit India Movement
Q20. What is the boundary line between India and China called?
(a) Durand Line
(b) McMahon Line
(c) Radcliffe Line
(d) Indira Point
(b) McMahon Line