All plants go through a process known as photosynthesis in which they make glucose as an energy source. plants are able to complete this process because of biconvex shaped organelles called . these organelles produce a green pigment known as chlorophyll, which aids in light absorption.

These organelles are Chloroplasts.

Explanation:

Chloroplast is a plastid present in plant cells.These contain stacks of thylakoid forming Grana.Each thylakoid contain green pigment called chlorophyll that traps sunlight to carry out photosynthesis.Chloroplasts is a double membrane bound organelle having its own DNA.Chloroplasts are considered as one of the organelles that originated as a result of endosymbiosis of photosynthetic bacteria.