Multiple choice _____ is the colourless plastid which stores proteins, lipids and starch. Leucoplast Chloroplast Cystoplast Endoplast Reveal answer Fill a bubble to check yourself A Correct answer Explanation Leucoplasts are non-pigmented plastids found in plant cells that specialize in the storage of starch (amyloplasts), lipids (elaioplasts), or proteins (proteinoplasts). Chloroplasts are green and used for photosynthesis.