871: The function of the liver is to:

(a) Promote digestion of food

(b) Dilute fat

(c) Store glucose as glucogen

(d) None of these
872: With reference to Bitcoins, sometimes seen in the news, which of the following statements is/are correct?

1. Bitcoins are tracked by the Central Banks of the countries.
2. Anyone with a Bitcoin address can send and receive Bitcoins from anyone else with a Bitcoin address.
3. Online payments can be sent without either side knowing the identity of the other.

Select the correct answer using the code given below.

(a) 1 and 2 only
(b) 2 and 3 only
(c) 3 only
(d) 1, 2 and 3
873: In an accurate clock, on a period of 2 hours 20 minutes, the minute hand will move over
(a) 520°
(b) 320°
(c) 840°
(d) 140°
874: Total internal reflection occurs when light travels from:

(a) A rarer medium to a denser medium

(b) A denser medium to a rarer medium

(c) A rarer medium to a denser medium and the angle of incidence is less than the critical angle

(d) A rarer medium to a denser medium and the angle of incidence is greater than the critical angle
875: The concept of Public Interest Litigation originated in

(a) the United Kingdom

(b) Australia

(c) United States

(d) Canada