Question

In which of the following respect, the plant hormones differ from enzymes?

• A. Required in less quantity.
• B. They are expended in the process.
• C. They release some energy.
• D. Both (A) and (B).

Answer 1

The correct option is D Both (A) and (B).

Plant hormones are chemicals that regulate plant growth, are termed as 'plant growth substances'. Plant hormones are signal molecules produced within the plant, and occur in extremely low concentrations. Growth of the plant is very much regulated by certain chemical substances which are synthesized by the plant in very small quantity. They are needed in small quantity at very low concentrations as compared to enzyme.