4456: The ductless and secretory glands in the human body are known as:
(a) Endocrine glands
(b) Exocrine glands
(c) Salivary glands
(d) None of the above
4457: A square is divided into 9 identical smaller squares. Six identical balls are to be placed in these smaller squares such that each of the three rows get at least one ball (one ball in one square only). In how many different ways can this be done?
(A) 81
(B) 36
(C) 54
(D) 27
4458: Which one of the following is the landmark performance of Dr. V. Mohan Reddy, an Indian born doctor working in USA, during February, 2005?
(a) Successful brain surgery to revive the function of nearly dead brain of a premature born infant.
(b) Research on genetic engineering which can help in treatment of deadly disease like AIDS.
(c) Research on human stem cell which is likely to revolutionize treatment of deadly disease like cancer.
(d) Successful open heart procedure called arterial switch performed on an infant.
4459: Who of the following organized a march on the Tanjore coast to break the Salt Law in April 1930?
(a) V. O. Chidambaram Pillai
(b) C. Rajagopalachari
(c) K. Kamaraj
(d) Annie Besant
4460: A rectangular sheet of aluminium foil measuring 5 cm by 10 cm is rolled into a cylinder of height 10 cm. If the cost of painting the cylinder is Rs. 2/- per sq cm, then the cost of painting the surface of the cylinder will be
(a) Rs. 400/-
(b) Rs. 200/-
(c) Rs. 150/-
(d) Rs. 100/-