The phenotype of an organism is the result of....

How many electrons can fit in the orbital for which $n = 3$ and $l = 1$?

The angle of elevation of a stationary cloud from a point $2500 \ m$ above a lake is $15^{\circ}$ and from the same point the angle of depression of its reflection in the lake is $45^{\circ}$. The height (in metres) of the cloud above the lake,given that $\cot 15^{\circ}=2+\sqrt{3}$,is

How many litres of oxygen (at $STP$) are required for complete combustion of $39 \text{ g}$ of liquid benzene? (Atomic weights: $C=12, O=16, H=1$)

Identify the basic amino acid from the following.

The reaction of $CH_3-CH=CH-C_6H_4-OH$ with $HBr$ gives: