461: Mahmud Gawan was the Prime Minister in

(a) Gujarat kingdom

(b) Kingdom of Kashmir

(c) Bahmani kingdom

(d) Kingdom of Mysore
462: Which of the following is a characteristic feature of the Indus Valley Civilisation ?

(a) Their chief deities were Mother Goddess and Shiva

(b) They worshipped bulls

(c) They had all amenities of a developed city life

(d) They did not know of iron
463: Out of the following statements, choose the one that brings out the principle underlying the Cabinet form of Government:

(a) An arrangement for minimizing the criticism against the Government whose responsibilities are complex and hard to carry out to the satisfaction of all.

(b) A mechanism for speeding up the activities of the Government whose responsibilities are increasing day by day.

(c) A mechanism of parliamentary democracy for ensuring collective responsibility of the Government to the people.

(d) A device for strengthening the hands of the head of the Government whose hold over the people is in a state of decline.
464: With reference to river Teesta, consider the following statements:

1. The source of river Teesta is the same as that of Brahmaputra but it flows through Sikkim.
2. River Rangeet originates in Sikkim and it is a tributary of river Teesta.
3. River Teesta flows into Bay of Bengal on the border of India and Bangladesh.

Which of the statements given above is/are correct?

(a) 1 and 3 only
(b) 2 only
(c) 2 and 3 only
(d) 1, 2 and 3
465: The stones formed in human kidney consist mostly of

(a) calcium oxalate
(b) sodium acetate
(c) magnesium sulphate
(d) calcium