List of top Questions asked in KCET

According to Huygen's principle, during refraction of light from air to a denser medium
Two point charges $A = +3\, nC$ and $B = +1\, nC$ are placed $5\,cm$ apart in air. The work done to move charge $B$ towards $A$ by $1\,cm$ is
Plaster of Paris is represented as
Climax community is a state of:
If $3.01 \times 10^{20}$ molecules are removed from $98 \, mg$ of $H_2SO_4$, then number of moles of $H_2SO_4$ left are
The function $ f (x) = x^2 + 2x - 5$ is strictly increasing in the interval
If a matrix $A$ is both symmetric and skew symmetric, then
The area of triangle with vertices ${(K, 0),(4,0) , (0, 2)}$ is $4$ square units, then value of $K$ is
The integrating factor of the differential equation $x . \frac{dy}{x} + 2y = x^2 $ is $(x \neq 0)$
Reflection of the point $( a , ? , ? )$ in $XY$ plane is
The perpendicular distance of the point ${P(6,7,8)}$ from $XY$-plane is
The metal extracted by leaching with a cyanide is
If coefficient of variation is $60$ and standard deviation is $24$, then Arithmetic mean is

For which combination of working temperatures, the efficiency of Carnot's engine is the least ?

Amoeba is immortal because:
In dihybrid cross, when F1 plants (RrYy) are self hybridised, the ratio of segregation of yellow and green in F2 is :
In lac-operon concept of gene expression, allolactose acts as,
Identify the correct combination of cropvariety and insect pests.
Accessory ducts of reproductive system of human female include:
A galvanometer of resistance $50\, O$ is connected to a battery of $3V$ along with a resistance of $2950\, O$ in series shows full-scale deflection of $30$ divisions. The additional series resistance required to reduce the deflection to $20$ divisions is
A bar magnet is allowed to fall vertically through a copper coil placed in a horizontal plane. The magnet falls with a net acceleration
A basic communication system consists of (i) transmitter (ii) information source (III) user of information (iv) channel (v) receiver
$3ClO^{-}(aq) -> ClO^- + 2Cl^-$ is an example of
Equation of line passing through the point $(1,2)$ and perpendicular to the line $y = 3x -1$ is
If $\left( \frac{1 + i}{1 - i} \right)^m =1$, then the least positive integral value of $m$ is