1486: The Sultan of Delhi who is reputed to have built the biggest network of canals in India was
(a) Iltutmish
(b) Ghiyasuddin Tughlaq
(c) Feroz Shah Tughlaq
(d) Sikandar Lodi
1487: Which of the following pairs are correctly matched?
Enterprise : Industrial Group
1. VSNL : Bharati Group
2. Mundra Special Economic Zone Ltd. : Adani Group
3. CMC Ltd. : TATA Group
4. IPCL : Reliance Group
Select the correct answer using the codes given below:
(a) 1, 2 and 4
(b) 1, 2 and 3
(c) 3 and 4
(d) 2, 3 and 4
1488: Who of the following scientists proved that the stars with mass less than 1.44 times the mass of the Sun end up as White Dwarfs when they die?
(a) Edwin Hubble
(b) S. Chandrashekhar
(c) Steven Weinberg
(d) Stephen Hawking
1489: What was the important reason for the fall of Vijayanagar Empire?
(a) Unity among the Muslim rulers
(b) Internal instability and weakness of Princes
(c) Moplah's rebellion
(d) Economic bankruptcy
1490: Elements having atomic number higher than 92 in the periodic table are known as
(a) Transitional elements
(b) Rare earth elements
(c) Transuranic elements
(d) Alkaline earth metals