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Friday 8 April 2016

Biology MCQs Part 20

biology mcqs, all test preparation, bio mcqs medical test mcqs
191. Compound Microscope was invented by Galileo in?
A. 1610
B. 1510
C. 1660
D. None of above

192. The nucleus in the cell was discovered by?
A. Robert Brown in 1831
B. Robert Hooke in 1665
C. Robert Brown in 1665
D. Robert Hooke in 1831

193. Magnification of a microscope is calculated by?
A. Power of eye piece x magnifying power of it's objetive
B. Power of eye piece - magnifying power of it's objetive
C. Power of eye piece + magnifying power of it's objetive
D. None of above

194. The term "CELL" was first used by?
A. Robert Brown in 1831
B. Robert Hooke in 1665
C. Robert Brown in 1665
D. Robert Hooke in 1831

195. Which scientist observed that the nucleus was surrounded by a fluid in the cell?
A. Robert Brown in 1831
B. Robert Hooke in 1665
C. Schwann in 1839
D. Robert Hooke in 1831

196. Cell Theory was proposed by?
A. Robert Hooke & Robert Brown
B. Robert Hooke & Schleiden
C. Schleiden & Schwann
D. Robert Hooke & Schwann

197. According to Cell Theory?
A. Not all organism are composed of cells
B. There is no intreaction between different cell unit
C. Cell is "de novo" structure, could arise form non-cellular
D. Cell can arise only by division of pre-existing cell

198. The microscope in which visible light is used as source of illumination is?
A. Light microscope
B. X-ray microscope
C. Electron microscope
D. U-V ray microscope

199. The Electron microscope has been designed by?
A. Jensen & Hand of Holland
B. Schleiden & Schwann of Germany
C. Knoll & Rusk of Germany
D. None of above

200. Microscope unaffected by magnetic field is are?
A. Electron microscope
B. Transmission Elecron microscope
C. Scanning Electron Microscope
D. Light Microscope

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