Suppose $Euphorbia$ and $Maize$ are grown in a tropical area. Which one of them do you think will be able to survive better under such conditions?

Select the correct option:
$(1)$ Julius von Sachs / $T$. $W$. Engelmann proved with evidence that glucose is produced when plants grow.
$(2)$ In $PS-II$,maximum light absorption occurs at a wavelength of $680 \, nm / 800 \, nm$.

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

Choose the correct sentence$(s)$ from the following:
$(i).$ In $C_4$ plants,the first $CO_2$ acceptor is $PEP$.
$(ii).$ Light energy is absorbed by $PS-II$ at $680 \ nm$ in the process of photosynthesis.
$(iii).$ The $P_{680}$ chlorophyll system is present in $PS-I$.

Which of the following methods is responsible for $ATP$ production by green plant cells in the presence of sunlight?

Which of the following photosynthetic bacteria have both $PS-I$ and $PS-II$?