3351: Which is not a parasite?
(a) Tick
(b) Housefly
(c) Bed bug
(d) Louse
3352: Who among the following discovered heavy water?
(a) Joseph Priestley
(b) Heinrich Hertz
(c) H. C. Urey
(d) G. Mendel
3353: 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
3354: Starting with the Australian Open Lawn Tennis tournament, which one of the following is the correct chronological order of the other three major Lawn Tennis Tournaments?
(a) French Open - US Open - Wimbledon
(b) French Open - Wimbledon - US Open
(c) Wimbledon - US Open - French Open
(d) Wimbledon - French Open - US Open
3355: Arrange the following in the decreasing order of their carbon content:
I. Cast iron
II. Wrought iron
III. Steel
(a) I, II, III
(b) II, I, III
(c) III, II, I
(d) I, III, II