List of practice Questions

$\cos^2 \, 1^\circ + cos^2 2^0 + cos^2 \, 3^0 + ... + \cos^2 \, 90^\circ$ =

$\cos \theta .\cos(90 - \theta) - \sin \theta \sin (90 - \theta)$ equals:

$cos[tan^{-1}\{sin(cot^{-1}x)\}]$ is equal to

$\cos^{-1}(\cos\,x)=x$ is satisfied by

Cortisol is secreted from

Correct sequence of layers of bacterial cell envelope from outward to inward is

Correct sequence of stages of succession on a bare rock is

Corrosion is basically a

Copper matte is put in silica lined converter to

Copper pyrites is concentrated by

Corm is

Coordination number of Cr is six. A complex ion of Cr with $C_2O_4^{ 2-}$, en and superoxide ion, $O_2^ -$ has the formula $[Cr(C_2O_4)_x(en)_y(O_2)_z]^-$. The ratio x : y : z will be

Coordination number of $Zn$ in $ZnS$ (Zine blende) is

Copolymer is

Copper is refined by

Convert $240^{\circ}$ into radian.

Convert $40^{\circ}20'$ into radian measure.

Convert $6$ radians into degree measure.

Conversion of fibrinogen to fibrin is catalysed by

Conversion of phenol to salicylic acid and to salicyaldehyde are known as (respectively)

Conversion of phosphoglyceraldehyde to 1, 1-biphosphoglyceric acid is a

Conversion of sugar into alcohol during fermentation is due to the direct action of

Consider $ {\frac{x}{2} + \frac{y}{4} \geq 1 }$ and $ {\frac{x}{3} + \frac{y}{2} \leq 1 , x , y \geq 0 }$ Then number of possible solutions are :