Endosperm is consumed by the developing embryo in the seed of

If a wire of length $L$ forms a loop of radius $R$ and has $n$ turns,find the magnetic field at the centre of the loop if the current flowing in the loop is $I$.

In order to eliminate the first degree terms from the equation $2x^2 + 4xy + 5y^2 - 4x - 22y + 7 = 0$,the point to which the origin is to be shifted is:

Identify from the following,a plant tissue in which lignin does not occur in the cell walls?

$\sim (p \vee q)$ is equal to

If a root of the equations $x^2+px+q=0$ and $x^2+\alpha x+\beta=0$ is common,then its value will be (where $p \neq \alpha$ and $q \neq \beta$)