List of top Questions asked in JKCET- 2011

What happens when blood cells are placed in pure water?

Magnitude of drift velocity per unit electric field is

The value of $ \sum\limits_{n=0}^{\infty }{\frac{{{n}^{2}}+4}{n\,!}} $ is equal to

The equation of the plane perpendicular to the $z$-axis and passing through $ (2,-3,5) $ is

If $ {{4}^{x}}={{16}^{y}}={{64}^{z}}, $ then

If $A$ is a square matrix of order $3$ and a is a real number, then determinant $ |\alpha \,\,\,A| $ is equal to

The value of the integral $ \int{\frac{1}{{{e}^{2x}}+{{e}^{-2x}}}}\,\,dx $ is equal to

The contrapositive statement of the proposition $ p\to \sim q $ is

The ratio in which ZX-plane divides the line segment AB joining the points $ A(4,2,3) $ and $ B(-2,4,5) $ is equal to

The number of straight lines which can be drawn through the point $ (-2,\,\,\,2) $ so that its distance from $ (-3,\,\,1) $ will be equal $6$ units is

A force $2$ units acts along the line $ x-4=y-5. $ The moment of the force about the point $ (1,\,\,1) $ along $Z-axis$ is equal to

The value of $k$ for which the equation $ {{x}^{2}}-4xy-{{y}^{2}}+6x+2y+k=0 $ represents a pair of straight lines is

The three distinct points $ A(at_{1}^{2},\,2a{{t}_{1}}),\,\,B(at_{2}^{2},\,\,2a{{t}_{2}}) $ and $ C(0,\,a) $ (where $a$ is a real number) are collinear, if

If $ f(x)\,=kx\,-\,\cos \,x $ is monotonically increasing for all $ x\in R, $ then

When 'blue vitriol' is heated at $373 \,K$, the product formed is

Which one among the following is most reactive towards electrophilic substitution reaction?

What fraction of the surface area of earth can be covered to establish communication by one geostationary statellite?

Chloroform on heating with silver powder gives

The lanthanide element that has the electronic configuration, $ [Xe]4f^{7}5d^{1}6s^{2} $ is

In a volumetric experiment, it was found that a solution of $KMnO _{4}$ is reduced to $MnSO _{4}$. If the normality of the solution is $1.0\, N$, then the molarity of the solution will be

If two bodies stick together after collision and move as a single body, the collision is said to be

Which one of the following is a secondary amine?

In a reaction $ 2A+B\to A_{2}B, $ the reactant $B$ will disappear at

In zinc blende structure, the coordination number of the cation is

The alloy of copper that contains zinc is