The scientist who classified plants based on their habitat is .........

Which of the following alkenes does $NOT$ exhibit $cis-trans$ isomerism?

Blister copper is

In a compound microscope,the focal length of the objective lens is $1.2 \ cm$ and the focal length of the eyepiece is $3.0 \ cm$. When the object is kept at $1.25 \ cm$ in front of the objective,the final image is formed at infinity. The magnifying power of the compound microscope is:

Which one of the following is correct about the stability of the given ions?

Five conducting parallel plates having area $A$ and separation between them $d$,are placed as shown in the figure. Plate number $2$ and $4$ are connected by a wire,and between point $A$ and $B$,a cell of emf $E$ is connected. The charge flown through the cell is: