676: Which of the following are the States in which the Lok Ayukta Act includes the Chief Minister in its ambit ?
(a) West Bengal and Kerala
(b) Gujarat and Maharashtra
(c) Madhya Pradesh and Orissa
(d) Rajasthan and Karnataka
677: It has been found recently that the acidity of the soil increases because of:
(a) Leaching away of bases
(b) Increased use of ammonia
(c) Increased use of urea
(d) Increased use of rock phosphate
678: Which one of the following statements is correct?
(a) Liquid Sodium is employed as a coolant in nuclear reactors
(b) Calcium carbonate is an ingredient of toothpaste
(c) Bordeaux mixture consists of sodium sulphate and lime
(d) Zinc amalgams are used as a dental filling
679: Haemophilia is a genetic disorder which leads to
(a) decrease in haemoglobin level
(b) rheumatic heart disease
(c) decrease in WBC
(d) non-clotting of blood
680: Which of the following is/are treated as artificial currency ?
(a) ADR
(b) SDR
(c) GDR
(d) Both ADR and SDR