Read the following four statements (A-D) Both ,
A) Photophosphorylation and oxidative phosphorylation involve uphill transport of protons across the membrane
B) In dicot stems , a new cambium originates from cells of pericycle at the time of secondary growth
C)Statements in flowers of Glorious and Petumia are polyndrous
D) Symbiotic nitrogen-fixers occurs in free living state
How many of the above statement are right ?

Options

A. One
B. Two
C. Three
D. Four

Answer

B