2466: With reference to Indian Polity, which one of the following statements is correct?
(a) Planning Commission is accountable to Parliament
(b) President can make ordinance only when either of the two Houses of Parliament is not in session
(c) The minimum age prescribed for appointment as a Judge of the Supreme Court is 40 years
(d) National Development Council is constituted of Union Finance Minister and the Chief Ministers of all the States
2467: From the ecological point of view, which one of the following assumes importance in being a good link between the Eastern Ghats and the Western Ghats?
(a) Sathyamangalam Tiger Reserve
(b) Nallamala Forest
(c) Nagarhole National Park
(d) Seshachalam Biosphere Reserve
2468: Gypsum is added to cement clinker to
(a) Increase the tensile strength of the cement
(b) Bind the particles of calcium silicate
(c) Decrease the rate of setting of cement
(d) Facilitate the formation of colloidal gel
2469: Which of the following presents the most significant features of Indus Valley Civilisation?
(a) Buildings with perfect arches
(b) Use of burnt mud bricks
(c) Use of sun dried mud bricks
(d) None of these
2470: Consider the following minerals:
1. Calcium
2. Iron
3. Sodium
Which of the minerals given above is/are required by human body for the concentration of muscles?
(a) 1 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3