HORTICULTURE

Detailed explanation-1: -The correct option is D Tonoplast. The vacuoles are surrounded by a membrane called tonoplast and filled with cell sap. Also called the vacuolar membrane, the tonoplast is the cytoplasmic membrane surrounding a vacuole, separating the vacuolar contents from the cell’s cytoplasm.

Detailed explanation-2: -Tonoplast is the membrane surrounding the vacuole.

Detailed explanation-3: -The vacuolar membrane named the tonoplast separates the cytoplasm from the vacuole lumen. The vacuoles are very dynamic and their morphology changes in response to environmental conditions and varies during different plant developmental stages [1].