medical entrance questions

Wednesday, April 9, 2008

22. Synthesis of amonoacids to prove that amonoacids were formed in primitive ocean, was experimentally proved by
a. Sydney Fox b. Oparin c. Haldane d. Stanley miller
23. Russian scientist who proposed the theory of orgin of life was?
a. Oparin b. Haldane c.Miller d. Fox
24. Who said that organisms develop from preexistig organisms?
a. Aristotle b. Louis Pasteur c.Oparin d. Morgan
25. Which is the age of procaryotic microbes?
a. Precambrian b. Proterozoic c. Azoic d. Palaeozoic
26. First photosyntheitic organisms to appear on earth were
a. Bacteria b. Green alga c. Cyanobacteria d. Bryophytes
27. A compound having very important role in prebiotic evolution was
a. SO2 b. CH4 c. SO3 d. NO
28. The primitive earth conditions were experimentally shown by
a. Oparin b. Urey c. Millar d. Both b and c
29. Under certain conditions scientists have obtained cell like structures. These are known as
a. Microbes b. Protists c. Coacervates d. Prebiotic soup
30. Chemical theory of origin of life was given by
a. Louis Pasteur b. Oparin and Haldane c. Stanley Miller d. Spallanzani

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medical entrance