BIO NMDCAT Carbohydrates

nmdcat.online June 27, 2026

In the plant cell, the site of starch synthesis and storage is the

A. Chloroplast and amyloplast

✓

B. Smooth endoplasmic reticulum

C. Golgi apparatus

D. Mitochondrial matrix

📝 Explanation

Starch is synthesized in plastids. Transitory starch is synthesized in chloroplasts during photosynthesis and broken down at night. Storage starch is synthesized and stored in amyloplasts (non-pigmented plastids) in tissues like tubers, seeds, and roots.

📖 Additional Information

Chloroplast and amyloplast
Smooth endoplasmic reticulum
Golgi apparatus
Mitochondrial matrix

Starch is synthesized in plastids. Transitory starch is synthesized in chloroplasts during photosynthesis and broken down at night. Storage starch is synthesized and stored in amyloplasts (non-pigmented plastids) in tissues like tubers, seeds, and roots.

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