Evaluation

Q1. Urea is transported by
a) Plasma        b) Blood
c) RBC            d) WBC


Q2. Excess amino acids in the body are broken down to form urea in
a) Kidney            b) Liver
c) Spleen            d) pancreas


Q3 The concentration of urea is highest in
a) renal vein             b) hepatic portal vein
c) dorsal aorta         d) hepatic vein


Q4 Which one has the highest percentage of nitrogen?

a) CaNO₃          b) CAN
c) Urea              d) NH₄NO₃


Q5 Arrange the following solvents in their increasing order of polarity: water, methanol, Toluene
a) Methanol–>Toluene–>Water.         b) Toluene–>Water–>Methanol.
c) Water–>Toluene–>Methanol.        d) Toluene–>Methanol–>Water.


Q6 Rf stands for
a) Reference Factor.                b) Relative Factor.
c) Retardation Factor.             d) Retention Factor.


Q7 What will be the nature of sample is used in HPTLC analysis

a) Partially Soluble.              b) Insoluble.
c) Saturated Solution.         d) Completely Soluble.


Q8 How many lamps are present in densitometer of HPTLC used for analysis
a) Four        b) Three
c) Two         d) One