746: With reference to the latest developments in stem cell research, consider the following statements:
1. The only source of human stem cells are the embryos at blastocyst stage
2. The stem cells can be derived a without causing destruction to blastocysts
3. The stem cells can regenerate themselves in vitro virtually forever
4. Indian research centres also created a few cell lines which can be developed into many types of tissues
Which of these statements are correct?
(a) 1, 2, 3 and 4
(b) 1, 2 and 3
(c) 1, 2 and 4
(d) 3 and 4
747: In the series POQ, SRT, VUW, ? The blank space refers to
(a) XYZ
(b) XZY
(c) YXZ
(d) YZX
748: The Government of India Act of 1919 clearly defined
(a) the separation of power between the judiciary and the legislature
(b) the jurisdiction of the central and provincial governments
(c) the powers of the Secretary of State for India and the Viceroy
(d) None of the above
749: Protective action against harmful household insects and pests can be taken by the use of
(a) Infrasonic waves
(b) Microwaves
(c) Ultrasonic waves
(d) Low frequency radio waves
750: Consider the following factors regarding an industry :
I. Capital investments
II. Business turnover
III. Labour force
IV. Power consumption.
Which of these determine the nature a size of the industry ?
(a) I, III and IV
(b) I, II and IV
(c) II, III and IV
(d) II and III