Three of the following statements regarding cell organelles are correct while one is wrong. Which one is wrong?

Lysosomes are double membrane vesicles budded off form golgi apparatus and contain digestive enzymes.

Endoplasmic reticulum consists of a network of membranous tubules and helps in transport, synthesis and secretion.

Leucoplasts are bounded by two membranes lack pigment but contain their own DNA and protein synthesizing machinery

Sphesrosomes are single membrane bound and are associated with synthesis and storage of lipids.