$A$ representative species has a stoma of $4 \ \mu m$ width and $26 \ \mu m$ length in:

Which of the following plants can show the $CAM$ cycle?

Read the given statements and choose the correct option:
< b>Statement-$I$: In Calvin cycle,carboxylation is catalysed by $PEP$ carboxylase.
< b>Statement-$II$: In Hatch-Slack pathway,carboxylation is catalysed by $RuBP$ carboxylase.

Name the two important enzymes of $C_3$ and $C_4$ pathways, respectively. What important role do they play in fixing $CO_2$?

Which of the following is/are the raw material$(s)$ for photosynthesis?
$I$. $H_{2}O$
$II$. $CO_{2}$
$III$. Light
$IV$. Chlorophyll
Choose the correct option.

In which of the following aspects do photosynthetic bacteria differ from green plants?