1626: A radioactive substance has a half-life of four months. Three-fourth of the substance would decay in
(a) 3 months
(b) 4 months
(c) 8 months
(d) 12 months
1627: During the time of which Mughal Emperor did the English East India Company establish its first factory in India?
(a) Jahangir
(b) Akbar
(c) Shahjahan
(d) Aurangzeb
1628: Consider the following statements:
1. P. V. Narasimha Rao's government established diplomatic relations between India and Israel.
2. Ariel Sharon is the second Prime Minister of Israel to have visited India.
Which of the statements give above is/ are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
1629: The formation of ozone hole in the Antarctic region has been a cause of concern. What could be the reason for the formation of this hole?
(a) Increased temperature at polar region due to global warming
(b) Presence of prominent polar front and stratospheric Clouds and inflow of chlorofluorocarbons
(c) Absence of polar front and stratospheric clouds and inflow of methane and chlorofluorocarbons
(d) Presence of prominent tropospheric turbulence and inflow of chlorofluorocarbons
1630: Which of the following led to the introduction of English Education in India ?
1. Charter Act of 1813
2. General Committee of Public Instruction, 1823
3. Orientalist and Anglicist Controversy
Select the correct answer using the code given below
(a) 1 and 2 only
(b) 2 only
(c) 1 and 3 only
(d) 1, 2 and 3