List of practice Questions

In which of the following, both pairs have correct combination?
Two identical thin plano-convex glass lenses (refractive index 1.5) each having radius of curvature of 20 cm are placed with their convex surfaces in contact at the centre. The intervening space is filled with oil of refractive index 1.7. The focal length of the combination is
Two vessels separately contain two ideal gases $A$ and $B$ at the same temperature, the pressure of $A$ being twice that of $B$. Under such conditions, the density of $A$ is found to be $1.5\, times$ the density of $B$. The ratio of molecular weight of $A$ and $B$ is :
Vertical distribution of different species occupying different levels in a biotic community is known as:
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
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
What is true about bioavailability
Characteristics feature if hemorrhagic dengue fever is
Which of the first drugs are potentiated by the second
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
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
In which type of bacteria the cell wall is thicker
Which of the following in correct about parenteral nutrition
Which of the following method is useful for measuring the number of viable cells in a culture
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
In aqueous alkaline solution, two electron reduction of $HO^-_2$ gives
Sulphuryl chloride $(SO_2Cl_2)$ reacts with white phosphorus $(P_4)$ to give