CSIR NET JRF

A shopkeeper purchases a product for rs 100 and sells it making a profit of 10%. The customer resells it to the same shopkeeper incurring a loss of 10%. In these dealings the shopkeeper makes

• no profit no loss

• Rs 11

• Re 1

• Rs 20

A person walks downhill at 10 km/h, uphill at 6 km/h and on the plane at 7.5 km/h. If the person takes 3 hrs to go from a place A to another place B, and 1 hour on the way back, the distance between A and B is

• 15 km

• 23.5 km

• 16 km

• Given data is insufficient to calculate the distance

A bird leaves its nest and flies away. Its distance x from the nest is plotted as a function time t. Which of the following graphs cannot be right?

• 1

• 2

• 3

• 4

If D+I+M= 1501

C+I+V+I+L= 157

L+I+V+I+D=557

C+I+V+I+C= 207

What is V+I+M=?

• Can not be found

• 1009

• 1006

• 509

Which one of the following chemicals is DNA intercalator?

• 5- Bromouracil

• Ethyl methane sulfonate

• Acridine orange

• UV

Which of the following is NOT a second messenger?

• cyclic GMP

• Diacylglycerol

• Inositol triphosphate

• Phosphotidyl inositol

Which one of the following neurotransmitters is secreted by the preganglionic neurons of sympathetic nervous system?

• Epinephrine

• Acetylcholine

• Dopamine

• Norepinephrine

Which among the following is the simplest method to estimate the concentration of glycerol in an aqueous solution of glycerol?

• UV absorption spectroscopy

• Gas Chromatography

• pH measurement

• Viscosity measurement

Which one of the following would contribute to intrinsic fluorescence to a protein?

• aromatic amino acid

• disulphide bonds

• charged amino acids

• branched chain amino acids

A mixture of two proteins was subjected to following three chromatographic columns ; a) Cation exchange, b) Size exclusion (Sephadex 100) and c) Reverse phase , following elution profiles were obtained

which of the following statements is correct?

• A is larger and more hydrophobic than B

• B is more anionic and more hydrophobic than A

• A is more hydrophobic and smaller than B

• A is more cationic and smaller than B