2406: The stones formed in human kidney consist mostly of
(a) calcium oxalate
(b) sodium acetate
(c) magnesium sulphate
(d) calcium
2407: Which one of the following is a membrane that protects the developing embryo from desiccation ?
(a) Amnion
(b) Allantois
(c) Chorion
(d) Yolk sac
2408: Which one of the following is part of the electoral college for the election of the President of India but does not form part of the forum for his impeachment?
(a) Lok Sabha
(b) Rajya Sabha
(c) State Legislative Councils
(d) State Legislative Assemblies
2409: Which one of the following is the appropriate reason for considering the Gondwana rocks as most important of rock systems of India?
(a) More than 90% of limestone reserves of India are found in them
(b) More than 90% of India's coal reserves are found in them
(c) More than 90% of fertile black cotton soils are spread over them
(d) None of the reasons given above is appropriate in this context
2410: 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