A) Lysosomes are single membraned vesicles budded off from golgi apparatus and contain digestive enzymes.
B) Endoplasmic reticulum consists of a network of membranous tubules and helps in transport, synthesis and secretion.
C) Leucoplasts are bound by two membranes, lack pigment but contain their own DNA and protein synthesizing machinery.
D) Sphaerosomes are single membrane bound and are associated with synthesis and storage of lipids.
Correct Answer: A
Solution :
Lysosomes are small vesicles containing hydrolysing enzymes and surrounded by single membrane. They are formed by golgi apparatus and contain some 40 types of acid hydrolases for digestion of various materials, e.g., nucleases, proteases. Upases, glycosidases etc.
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