Statement (1) is incorrect because lysosomes are single membrane-bound organelles, not double-membraned. They originate from the Golgi apparatus and contain hydrolytic (digestive) enzymes, but the membrane structure is wrongly stated.

Statement (2) is correct as the endoplasmic reticulum forms an interconnected network of tubules and cisternae involved in intracellular transport, protein synthesis (RER), lipid synthesis (SER), and secretion.

Statement (3) is correct because leucoplasts are a type of plastid, hence they are double membrane-bound and possess their own DNA and ribosomes, though they lack pigments.

Statement (4) is correct as sphaerosomes are single membrane-bound structures involved in lipid synthesis and storage in plant cells.