Question

Substances which originate at the tip of stem and control growth elsewhere are

• A. Enzymes
• B. Hormones
• C. Vitamins
• D. None of the above

Answer 1

The correct option is B Hormones

A chemical substance produced in one part of body and regulates the activity of other parts is called as hormones. Plant hormones are produced in the stem, bud and root tips and control the plant growth, formation of flowers, stems, leaves, development, and ripening of fruit, etc. Auxins are specialized hormones which acts on the tip.

Thus, the correct answer is option B.