$A$ solid reflects incident light and its electrical conductivity decreases with temperature. The binding in this solid is:

The perimeter of a sector is a constant. If its area is to be maximum,the sectorial angle is:

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

Pyruvate, which is formed by the glycolytic catabolism of carbohydrates in the cytosol, after it enters mitochondrial matrix and undergoes $:-$

When a tuning fork of frequency $341 \ Hz$ is sounded with another tuning fork,six beats per second are heard. When the second tuning fork is loaded with wax and sounded with the first tuning fork,the number of beats is two per second. The natural frequency of the second tuning fork is (in $Hz$)

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