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Entry Test MCQ :: Biotechnology


11.  Which statement is not true about PCR?
A. Developed by Kary Mullis B. Take its name from DNA polymerase
C. Is not very specific D. Taq polymerase is used

12.  Taq polymerase is extracted from a bacterium
A. Floral aquaticus B. Taq aquaticus
C. Thermus floral D. Thermus aquaticus

13.  DNA analysis is done to
A. Diagnose viral infections B. Identify criminals
C. Determine evolution D. All of these

14.  A method of DNA sequencing in which DNA threads are chemically cut into pieces of different sizes is
A. Sanger's method B. Maxam-Gilbert method
C. Hamilton's method D. Vortex method

15.  Human genome is ______ times larger than any other genome sequenced so far
A. 45 B. 35
C. 25 D. 15

16.  Organisms that have had a foreign gene inserted into them are
A. Transformed organisms B. Transgenic organisms
C. Transfigured organisms D. Recombinant organisms

17.  Some transgenic bacteria produce a dipeptide sweetener called
A. Ultrasweet B. Disweet
C. Monosweet D. Neutrasweet

18.  Transgenic plants are produced when foreign genes are introduced into
A. Mature plant embryo B. Immature plant embryo
C. Roots D. Leaves

19.  Protoplasts are plant cells from which
A. Cell walls are removed B. Nucleus is removed
C. New organelles are added D. Vacuoles are taken out

20.  A weed engineered to produce a biodegradable plastic in cell granules is
A. Mouse-cat cress B. Mouse weed
C. Mouse-eared cress D. None of these




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