$85-90\%$ of all photosynthesis of the world is carried out by

Select the incorrect statement $:$

The product of photosynthesis is transported from the leaves to various parts of the plants and stored in some cells before being utilized. What are the cells or tissues that store them?

$CO_2$ is constantly released in respiration,yet its level remains fairly uniform because:

In plants,the uptake of $CO_2$ and the release of $O_2$ is a process called .........

Identify the location and function of the following structures in a chloroplast:
$(1)$ Thylakoid
$(2)$ Stroma