506: Which one of the following is a breed of cattle famous for high milk yield as well as draught capacity?

(a) The Kankrey

(b) The Tharparkar

(c) The Haryana breed

(d) The Rathi breed
507: Diamond Ring is a phenomenon observed

(a) at the start of a total solar eclipse

(b) at the end of a total solar eclipse

(c) only along the peripheral regions of the totality trial

(d) only in the central regions of the totality trial
508: Four wires of same material and of dimensions as under as stretched by a load of same magnitude separately. Which one of them will be elongated maximum ?

(a) Wire of 1 m length and 2 mm diameter

(b) Wire of 2 m length and 2 mm diameter

(c) Wire of 3 m length and 1.5 mm diameter

(d) Wire of 1 m length and 1 mm diameter
509: Which one among the following commissions was set up in pursuance of a definite provision under an Article of the Constitution of India ?

(a) University Grants Commission

(b) National Human Rights Commission

(c) Election Commission

(d) Central Vigilance Commission
510: Willy willy is

(a) a type of tree grown in temperate regions
(b) a wind that blows in a desert
(c) a tropical cyclone of the north-west Australia
(d) a kind of common fish found near Lakshadweep island