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Friday, September 23, 2016

TN TRB Asst Professor Exam 2016 Model QP

1.Which of the following metal is present in hemoglobin?
Calcium Magnesium Iron Vitamin - C

2.Chemical name of Vitamin A is ____________________
Niacin Riboflavin Biotin Retinol

3.Grapes contain which of the following acid?
Amino acid Citric acid Tartaric acid Mallic acid

4.Human bone contain which of the following ?
Pottasium Oxygen Carbon - di - oxide Carbon

5._______________ is a form of chemical bonding that is characterised by the sharing of electrons between 2 atoms
Coordinate Bond Covalent Bond Chemical Bond Ionic Bond

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