Which of the following is the strongest base?

$A$ public park,in the form of a square,has an area of $(100 \pm 0.2) \; m^2$. The side of the park is ............ $m$.

In $Bryophytes$,sexual reproduction occurs through which organs?

In biennial plants,normally the number of carpels is:

If $x^2+px+1$ is a factor of the expression $ax^3+bx+c$,then

The molar heat capacity of water at constant pressure is $75 \ J \ K^{-1} \ mol^{-1}$. When $1.0 \ kJ$ of heat is supplied to $100 \ g$ of water which is free to expand,the increase in temperature of water is ............. $K$.