2566: In the map shown in the given figure, rivers labelled as 1, 2, 3 and 4 are respectively

(a) Kosi, Gomati, Ghaghara and Gandak
(b) Kosi, Ganga, Gomati and Ghaghara
(c) Gandak, Ganga, Gomati and Ghaghara
(d) Teesta, Gomati, Ghaghara and Kosi
2567: Consider the following statements

1. Most of the world's coral reefs are in tropical waters.
2. More than one-third of the world's coral reefs are located in the territories of
Australia, Indonesia and Philippines.
3. Coral reefs host far more number of animal phyla than those hosted by tropical rainforests.

Which of the statements given above is/are correct ?

(a) 1 and 2 only
(b) 3 only
(c) 1and 3 only
(d) 1, 2 and 3
2568: Which among the following countries was the earliest to give women the right to vote?

(a) Iceland
(b) India
(c) New Zealand
(d) USA
2569: Which of the following was the main reason of the downfall of Mauryan empire ?

(a) Weak successors of Ashoka who could not control the empire properly

(b) Religious policy of Ashoka

(c) Ashoka maintained friendly relations with his neighbours

(d) None of the above
2570: How did Sultan Qutb-ud-din Aibak die?

(a) He was treacherously stabbed to death by one of his ambitious nobles

(b) He was killed in a battle with Taj-u-din Yildiz, the ruler of Ghazni who entered into a contest with him over the capture of Punjab

(c) He sustained injuries while besieging the fortress of Kalinjar in Bundelkhand and succumbed to death later

(d) He died after a fall from his horse while playing Chaugan