MODEL PAPER 4 — BIOLOGY STD 11 Science — Question

$II.$ Tracheids/vessels elements are larger during periods when water is abundant

$III.$ Tracheids/vessels elements have thicker wall during periods of water deprivation

$IV.$ Wood formed in the previous years is darker than newer wood

Select the combination of correct statements from the options given below

 $\begin{array}{|p{0.6\linewidth}|p{0.3\linewidth}|} \hline Column\,\,-\,\,I & Column\,\,-\,\,II \\ \hline A.\,\,Prosthetic\,\,group & 1.\,\,NAD \\ \hline B.\,\,Cofactor & 2.\,\,Haem \\ \hline C.\,\,Coenzyme & 3.\,\,Zn\,\,ion \\ \hline \end{array}$

$A - B - C$