1756: With reference to 'fuel cells' in which hydrogen-rich fuel and oxygen are used to generate electricity. Consider the following statements :
1. If pure hydrogen is used as a fuel, the fuel cell emits heat and water as by-products.
2. Fuel cells can be used for powering buildings and not for small devices like laptop computers.
3. Fuel cells produce electricity in the form of Alternating Current (AC).
Which of the statements given above is / are correct?
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
1757: In India, deficit financing is used for raising resources for
(a) economic development
(b) redemption of public debt
(c) adjusting the balance of payments
(d) reducing the foreign debt
1758: Consider the following events:
1. The first democratically elected communist party government formed in a State in India.
2. India's then largest bank, 'Imperial Bank of India', was renamed 'State Bank of India'.
3. Air India was nationalised and became the national carrier.
4. Goa became a part of independent India.
Which of the following is the correct chronological sequence of the above events?
(a) 4 - 1 - 2 - 3
(b) 3 - 2 - 1 - 4
(c) 4 - 2 - 1 - 3
(d) 3 - 1 -2 -4
1759: Which one of the following is not correctly matched ?
(a) Isopleth : A line joining places of equal height
(b) Isobar : A line joining places of equal pressure
(c) Isohyet : A line joining places of equal rainfall
(d) Isotherm : A line joining places of equal temperature
1760: Consider the following statements:
1. The last Mauryan ruler, Brihadratha was assassinated by his commander-in-chief, Pushyamitra Sunga.
2. The last Sunga king, Devabhuti was assassinated by his Brahmana minister Vasudeva Kanva who usurped the throne
3. The last ruler of the Kanva dynasty was deposed by the Andhras.
Which of these statements is/are correct?
(a) 1 and 2
(b) Only 2
(c) Only 3
(d) 1, 2 and 3