Question

Which enzymes aid pollen tube elongation by digesting cell wall components in the style?

Options

• Pectinase and cellulase

• Kinase and phosphatase

• Amylase and lipase

• Protease and peptidase

Answer 1

Pectinase and cellulase are enzymes that aid pollen tube elongation by breaking down pectin and cellulose, which are major components of plant cell walls. These enzymes allow the pollen tube to penetrate and grow through the style tissues by dissolving the cell wall matrix that would otherwise obstruct its passage.