4556: The surface of a lake is frozen in severe winter, but the water at its bottom is still liquid. What is the reason?
(a) Ice is a bad conductor of heat
(b) Since the surface of the lake is at the same temperature as the air, no heat is lost
(c) The density of water is maximum at 4 degree celcius
(d) None of the statements (a), (b) and (c) given above is correct.
4557: The first Trade Union in India was:
(a) Madras Labour Union
(b) Bombay Postal Union
(c) Printers Union of Calcutta
(d) All India Trade Union Congress
4558: The Consultative Committee of members of Parliament for Railway Zones in constituted by the
(a) President of India
(b) Ministry of Railways
(c) Ministry of Parliamentary Affairs
(d) Ministry of Transport
4559: India is home to lakhs of persons with disabilities. What are the benefits available to them under the law?
1. Free schooling till the age of 18 years in government-run schools.
2. Preferential allotment of land for setting up business.
3. Ramps in public buildings.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
4560: In India, markets in agricultural products are regulated under the
(a) Essential Commodities Act, 1955
(b) Agricultural Produce Market Committee Act enacted by States
(c) Agricultural Produce (Grading and Marking) Act, 1937
(d) Food Products Order, 1956 and Meat and Food Products Order, 1973