List of top Questions asked in KCET

$R $ is a relation on $N$ given by $R =\{(x, y ) | 4x +3y = 20\}$. Which of the following belongs to $R$ ?
Anterior choroid plexus is present on the
A condition where a certain gene is present in only a single copy in a diploid cell is called.
A detritivorus animal of economic importance is
The equivalent resistance between the points $A$ and $B$ will be (each resistance is 15 $\Omega$)
The magnetic field at the centre of a circular current carrying conductor of radius $r$ is $B_c$. The magnetic field on its axis at a distance $r$ from the centre is $B_a$. The value of $B_c : B_a$ will be
A simple pendulum is suspended from the ceiling of a lift. When the lift is at rest its time period is $T$. With what acceleration should the lift be accelerated upwards in order to reduce its period to $T/2$ ? (g is acceleration due to gravity).
Amines behave as
An element with atomic number $21$ is a
The number of solutions for the equation $Sin\, 2x + Cos \; 4x = 2$ is
A dihybrid test cross yielding a result of 1 : 1 : 1 : 1 ratio is indicative of
The remainder when $3^{100} \times 2^{500}$ is divided by $5$ is
Human egg is
Which of the following is an agrostologic method of soil conservation ?
Which of the following statements is true about viruses?
If $\vec{a}\cdot\hat {i}= \vec{a} \cdot(\hat {i}+\hat {j})= \vec{a}\cdot (\hat {i}+\hat {j}+\hat {k})=1$ then $\vec{a}$=
For the reaction $Fe_2O_3 +3CO \rightarrow 2Fe + 3CO_2$ the volume of carbon monoxide required to reduce one mole of ferric oxide is
The masses of two radioactive substances are same and their half lives are $1$ year and $2$ years respectively. The ratio of their activities after 6 years will be
The perimeter of a certain sector of a circle is equal to the length of the arc of the semicircle. Then the angle at the centre of the sector in radians is
A small conducting sphere of radius $r$ is lying concentrically inside a bigger hollow conducting sphere of radius $R$. The bigger and smaller spheres are charged with $Q$ and $q (Q > q)$ and are insulated from each other. The potential difference between the spheres will be
Rapid increase in the blood sugar level of a patient can be immediately reduced by
A ray of light enters from a rarer to a denser medium. The angle of incidence is $i$. Then the reflected and refracted rays are mutually perpendicular to each other. The critical angle for the pair of media is
The tangents drawn at the extremeties of a focal chord of the parabola $y^2 = 16 x$
The point $(5, - 7)$ lies outside the circle
The equation to the normal to the hyperbola $\frac {x^2}{16}- \frac {y^2}{9}=1$ at $(-4,0)$ is