List of top Questions asked in COMEDK

The standard electrode potential for Daniell cell is $1.1\, volt$. What is the standard Gibbs energy for the reaction?
The girth or diameter of the stem increases due to the activity of the following
More number of oxidation state are exhibited by the actinoids than by lanthanoids. The main reason for this is :
Two amplifiers are connected one after the other in series (cascaded). The first amplifier has a voltage gain of $10$ and the second has a voltage gain of $20$. If the input signal is $0.01\, volt$, what is the output $ac$ signal ?
Three charges $-q, +Q$ and $-q$ are placed at equal distances along a straight line. If the total $P.E.$ of the system is zero, the ratio $ \frac{Q}{q} $ becomes
Plasmodium enters the human body as
Nitrogen shows maximum covalency of $4$ whereas other heavier elements of the group show higher covalency because,
$\sin \left[2 \cos^{-1} \cot \left(2 \tan^{-1} \frac{1}{2}\right) \right] $ is equal to
The first stable compound formed in Krebs' cycle is
The electric force between two point charges separated by a certain distance d in air is F.The distance at which they should be placed in a medium of relative permittivity k so that the force remain the same is
Reverse saturation current of diode
Photoelectric Effect and Raman Effect can be explained on the basis of
Peptization is a process in which
Mature embryosac in majority of angiosperms is
Glomerular filtrate contains
Select the anticodon present on the tRNA that carries the amino acid methionine.
One cell is kept in 1M solution of sucrose and another cell in 1M solution of NaCl. The difference between Water potential of the cells and that of the solution
Milk is an example of
Transpiration Cohesion tension theory operates in ............
The real part of $log \,log\, i$ is
The exchange of genetic material between homologous chromosomes during meiosis is beneficial to the organism because it results in
Sea water is converted into fresh water based on the phenomenon of
Renal calculi are formed due to
Methane can be converted to ethane by the reaction
Two concentric circular coils, each having 10 turns with radii 0.2 m and 0.4 m carry currents 0.2 A and 0.3 A respectively in opposite directions. Magnetic field at the centre is