501: Mandamus means:
(a) A writ issued by a superior court command that a specified thing be done
(b) A legal term for a prisoner's right to appear in person and be tried in court
(c) A written public declaration of the intentions, opinions or motives of a sovereign or of a leader, party or body
(d) The principle of hybridisation, discovered by Gregor Mendel which led to the improved breeds of plant and animal life
502: Which one of the following is a non-metallic mineral?
(a) Manganese
(b) Magnesium
(c) Gypsum
(d) Bauxite
503: The known forces of natures can be divided into four classes, viz., gravity, electromagnetism, week nuclear force and strong nuclear force. With reference to them, which one of the following statements is not correct?
(a) Gravity is the strongest of the four
(b) Electromagnetism act only on particles with an electric charge
(c) Weak nuclear force causes radioactivity
(d) Strong nuclear force holds protons and neutrons inside the nuclear of an atom.
504: Artists are generally whimsical. Some of them are frustrated. Frustrated people are prone to be drug addicts. Based on these statements which of the following conclusions is true ?
(a) All frustrated people are drug addicts
(b) Some artists may be drug addicts
(c) All drug addicts are artists
(d) Frustrated people are whimsical
505: Helium is used for respiration in deep water instead of nitrogen because:
(a) It is heavier than nitrogen
(b) It is lighter than nitrogen
(c) It mixes less in blood than nitrogen
(d) It helps oxygen burn more quickly