Plants need chloroplast because this organelle produces a green pigment
called chlorophyll which is one of the essential components of
photosynthesis
Chloroplast produce a green pigment called chlorophyll which helps green
plants to trap the solar energy from the sun which is needed for biochemical
processes in plants.
An absence of the chloroplast means an absence of chlorophyll also and
photosynthesis being unable to hold.
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