ENTRANCE TEST – 2009 Multiple Questions and Answers.




31.To convert the Si crystal into p-type semi-conductor, which group element will be doped:
A. Trivalent Element
B. Second Group Element
C. Fourth Group Element
D. Pentavalent Element

32.Each molecule of haemoglobin is made up of nearly
A. 11000 atoms
B. 6600 atoms
C. 10000 atoms
D. 6800 atoms

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