# TNPSC Question Paper-2015 Questions and answers

Topics

This page contains the questions asked in previous year TNPSC Group 1 preliminary exam. You can practice these questions as practice test in this link.

1). Match the following:

 A) Krebs cycle 1.Occurs in cytoplasm B) Ubiquinone 2.DilTuse from cytoplasm to mitochondria C) Glycolysis 3. Mobile carrier D) Acetyl-CoA 4. Occurs in mitochondrial matrix

Below codes are given in A B C D order

 A). 4 3 1 2 B). 3 1 4 2 C). 1 4 2 3 D). 4 1 3 2
2). The purines present in nucleic acids are :
II. Guanine and Thymine
IV. Cytosine and Uracil

 A). IV B). III C). II D). I
3). Find out the correct matches :
I. Enzymes Biological catalysts
II. DNA Nucleic acid
III.Insulin Hormone
IV. Vitamin E Water soluble vitamin

 A). II only B). I only C). I, II and IV D). I, II and III
4). The number of generalized co-ordinates required to describe the position of a simple pendulum is
 A). 1 B). 2 C). 3 D). 4
5). If 'g' is the acceleration due to gravity and 'R' is the radius of the earth, then escape velocity is given by the relation,
 A). $$V_e = \sqrt{2g}$$ B). $$V_e = 2\sqrt{g}$$ C). $$V_e = \sqrt{2Rg}$$ D). $$V_e = 2\sqrt{Rg}$$

6). The relation of connecting Young's modulus (E), Bulk modulus (K) and Rigidity modulus (N) is
 A). $$\large\frac{9}{E} = \frac{3}{N} + \frac{1}{K}$$ B). $$\large\frac{9}{N} = \frac{3}{E} + \frac{1}{K}$$ C). $$\large\frac{9}{N} = \frac{1}{E} + \frac{3}{K}$$ D). $$\large\frac{9}{E} = \frac{1}{N} + \frac{3}{K}$$
7). The S.I. unit of gravitational constant G is
 A). $$N Kg^{-2}$$ B). $$Nm Kg^{-1}$$ C). $$Nm^{2} Kg^{-1}$$ D). $$Nm^{2} Kg^{-2}$$
8). The itai-itai disease of Japan was caused due to
I. Arsenic pollution
II. Cyanide pollution