List of top Questions asked in KCET- 2013

A person with vibrating tuning fork of frequency $338 \,Hz$ is moving towards a vertical wall with a speed of $2\, m\,s^{-1}$. Velocity of sound in air is $340\, m\,s^{-1}$. The number of beats heard by that person per second is
Electrons from excited chlorophyll molecules of photosystem II are accepted first by
Consider the following statements and select the correct one : Statement (A) : Pure water has maximum water potential. Statement (B) : The osmotic potential is zero in pure water.
During the transportation gases, to maintain the ionic balance chloride ions shifts from
If $a$ is a vector perpendicular to both $b$ and $c$, then
The range of the function $f(x)= \sin [x],-\frac {\pi}{4} < x < \frac {\pi}{4}$ where $[x]$ denotes the greatest integer $\leq x$, is ________
The angle between the lines $\sin^2 \alpha \cdot y^2 - 2xy \cdot \cos^2 \alpha + (\cos^2 \alpha - 1)x^2 = 0$, is
The equation of the tangent to the parabola $y^2 = 4x$ inclined at an angle of $\frac{\pi}{4}$ to the $+ve$ direction of $x$-axis is
Match the following list of animals with their level of organization. 
Level of organization
Animal
A.Organ level1.Pheretima
B.Cellular aggregate level2.Fasciola
C.Tissue level3.Spongilla
D.Organ System level4.Obelia
Choose the correct match showing the division of labor with animal example.
Which one of the following sets of ions represents the collection of isoelectronic species ?
The process of zone refining is used in the purification of
In the circuit diagram ,heat produces in $R, 2R$ and $1.5 \,R$ are in the ratio
A rectangular coil of $100$ turns and size $0.1 \,m \times 0.05\, m$ is placed perpendicular to a magnetic field of $0.1 \,T$. If the field drops to $0.05 \,T$ in $0.05$ second, the magnitude of the e.m.f. induced in the coil is
In a lift moving up with an acceleration of $5\,ms^{-2}$ a ball is dropped from a height of $1.25\,m$ .The time taken by ball to reach the floor of the lift is........(nearly)$(g=10\, ms^{-2})$
$log (\sin \,1^\circ ) \times \log(\sin\, 2^\circ) \times \log(\sin \,3^\circ)\dots log (sin \,179^{\circ})$
If $\frac {(x+1)^2}{x^3+x}=\frac {A}{x}+\frac {Bx+C}{x^2+1}$, then $\sin^{-1} \,A + \tan ^{-1} \,B + sec ^{-1} \,C$ is equal to
The diagram given below denotes the various parts of a typical flower. Identify the labelled parts A, B, C and D and choose the correct option :
An example for a neutral buffer is
Which of the following cations will have minimum flocculation value for arsenic sulphide sol ?
The stability of a Lyophobic colloid is due to
Mesomeric effect involves
If the value of $C_0 + 2 \cdot C_1 + 3 \cdot C_2 + \dots+ (n+1) \cdot C_n=576$ ,then n is equal to
Hybridised states of carbon in Graphite and Diamond are respectively
In the circuit $R_1 = R_2$.The value of $E$ and $R_1$ are ________($E-EMF,R_1$-resistance)
A group of atoms can function as a ligand only when