1916: In the structure of planet Earth, below the mantle, the core is mainly made up of which one of the following?
(a) Aluminium
(b) Silicon
(c) Iron
(d) Chromium
1917: Which one of the following is caused by the expression of a recessive gene present on sex chromosome ?
(a) Rheumatism
(b) Nervous shock
(c) Muscular dystrophy
(d) Cerebral hemorrhage
1918: With reference to the Constitution of India, which one of the following pairs is not correctly matched?
(a) Forests : Concurrent List
(b) Stock Exchanges : Concurrent List
(c) Post Office Saving Bank : Union List
(d) Public Health : State List
1919: Consider the following statements:
1. In the First round Table Conference, Dr. Ambedkar demanded separate electorates for the depressed classes.
2. In the Poona Act, special provisions for representation of the depressed people in the local bodies and civil services were made.
3. The Indian National Congress did not take part in the Third Round Table Conference.
Which of the following statements given above are correct?
(a) 1 and 2
(b) 1 and 3
(c) 2 and 3
(d) 1, 2 and 3
1920: Which one of the following pairs of islands is separated from each other by the Ten Degree Channel ?
(a) Andaman and Nicobar.
(b) Nicobar and Sumatra
(c) Maldives and Lakshadweep
(d) Sumatra and Java