Which one of the following has least influence on cell elongation in a meristem
Enzyme activity in the synthesis of new cellulose
The availability of water to the tissue
The water potential $(diffusion\ pressure\ deficit)$ of the cell sap
The synthesis of new $DNA$ in the nucleus
Wilting of plants takes place when one of the following takes place
Assertion : Petroplants produce large amount of latex.
Reason : The latex contains long chain hydrocarbons
Centripetal and centrifugal xylem are the important features of