Where Is the Growth-Promoting Substance That Promotes Stem Elongation and Bending

question 1

Multiple Choice

Where is the growth-promoting substance that promotes stem elongation and bending toward light primarily produced?

• A) in root tips, travelling to the stem in the xylem
• B) in the centre of the stem region where elongation or bending occurs
• C) in flowers and flower buds
• D) in the shoot tip

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Definitions:

Reactant Formation

The process in a chemical reaction where substances (reactants) combine or change to produce new substances (products).

Equilibrium

A state of physical balance or stability, or the condition in which all competing influences are balanced in a chemical reaction or in a market.

Kinetic Energy

Motion energy or energy that can do work.

Potential Energy

Energy in a chemical bond that is not being exerted or used to do work.