List of practice Questions

$20.0 \,g$ of a magnesium carbonate sample decomposes on heating to give carbon dioxide and $8.0 \,g$ magnesium oxide. What will be the percentage purity of magnesium carbonate in the sample ?
The input signal given to a CE amplifier having a voltage gain of 150 is $v_i = 2 \cos \Bigg(15t+\frac{\pi}{3}\Bigg)$ The corresponding output signal will be
Higuchi model is applicable to drug that is____In the formulation
Which micro-organism used in hairy root culture
What is true about bioavailability
A Pharmaceutical company plans to market a generic version of a drug produce whose patent has expired has expire Which type of documentation must be submitted to the FDA
Grape fruit juice is P- glycoprotein and CYP40 enzyme inhibitor. if drug X is degraded by proteolytic enzymes, administration of grapefruit juice with X
Characteristics feature if hemorrhagic dengue fever is
Which of the following are the correct properties of ferroin? Ferroin is(P) 1, 10-phnathroline
(Q) A bidentate ligand complex
(R) Red in reduced form
(S) Blue in oxidized form
Which of the first drugs are potentiated by the second
If a basic drug reabsorbed significantly from kidney which of the following statement will be correct
The loading dose (DL) of a drug is usually based on the:
What is the objective of trademark
Match compounds with the pathway they inhibit
(1) Vancoycin(P) Folate metabolism
(2) Rifampin           (Q) DNA synthesis
(3)Puromycin(R) Protein synthesis
(4)Ciprofloxacin(S) RNA synthesis
 (T) Cell wall synthesis
Which of the following method is useful for measuring the number of viable cells in a culture
Which of the following in correct about parenteral nutrition
In which type of bacteria the cell wall is thicker
All of the following statements about plasmodium falciparum are correct EXCEPT
Which of the following statements about bentonite are CORRECT
(P) Gycerin is used to pre-wet the bentonite prior to mixing with water to form its gel
(Q) Aqueous bentonite suspensions retain their viscosity above pH 6 but are precipitated by acids
(R) MgO increase gel formation while alcohol in significant amounts can precipitate bentonite gel
(S) Betonite exhibits rheopexy
For a particular durg, the rate of absorption but not the extent of the absorption of GIT, is affected by presence of food in GIT then taking the drug with food will result in
Sulphuryl chloride $(SO_2Cl_2)$ reacts with white phosphorus $(P_4)$ to give
In aqueous alkaline solution, two electron reduction of $HO^-_2$ gives
The physical states of dispersed phase and dispersion medium in colloid like pesticide spray respectively are
On a hot summer night, the refractive index of air is smallest near the ground and increases with height from the ground. When a light beam is directed horizontally, the Huygens principle leads us to conclude that as it travels, the light beam
The carbonyl starching frequency for simple aldehydes, ketones, and carboxylic acids is about 1710 cm\(^{-1}\) where as the carbonyl stretching frequency for esters is about___\(^{-1}\)