During daylight hours,the rate of photosynthesis is higher than the rate of respiration,and the ratio of oxygen produced to oxygen consumed is ......... . (in $:1$)

Select the correct option:
$(1)$ $C_4$ plants have double the efficiency of carbon fixation compared to $C_3$ plants.
$(2)$ Sugar is transported from source to sink through the $\text{phloem}$ / $\text{xylem}$ tissue.

Match the following columns:

Column-$I$	Column-$II$
$(A)$ $P_{680}$	$(I)$ Reaction centre of $PS-I$
$(B)$ $P_{700}$	$(II)$ Reaction centre of $PS-II$
$(C)$ $\text{LHC}$	$(III)$ Antennae
$(D)$ Plastoquinone	$(IV)$ Mobile carrier

Photophosphorylation differs from oxidative phosphorylation in:

Leaf photosynthates are transported to other parts of higher plants through

Choose the correct option from the following:
$(i)$ The light reactions of photosynthesis occur in the thylakoid / stroma of the chloroplast.
(ii) The membrane-less organelle is the lysosome / ribosome.