The main mode of nutrition in plants is -

Which of the following statements is correct regarding $C_4$ plants?

For photosynthesis (i.e.,for synthesis of organic matter),the green plants need:

Which one of the following organisms does not evolve oxygen during photosynthesis?

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.

In which of the following cell organelles do both photo-chemical and thermo-chemical reactions occur?