pax bio quiz

Where are the hormone-producing cells in a flower?

• Petal

• Leaf

• Stem

• Root

What does an AUXIN do?

• Stimulate growth of the primary stem

• Prevent growth of the primary stem

What is a TROPISM?

• when a plant doesn't move despite there being outside stimulus

• the movement of a plant response to an internal stimulus

• the movement of a plant response to an environmental stimulus

What are hormones?

What is apical dominance?

• when the side stems are dominant over the central stem

• where the central stem is dominant over other side stems

• the direction that a plants side branches grow in based on the type of plant

• When axillary bud outgrowth inhibits the apical signal

Gibberellins lead to:

• Rapid growth of young seedlings

• Rapid growth of some flower stocks

• Dramatic decreases in size

• Seed dormancy

Abscisic Acid does what?

• Causes seeds to remain dormant

• Ends seed dormancy

What does ethylene do?

Answer explanation

Bananas produce their own ethylene, meaning they never stop ripening. This is why they turn brown!

Gibberellins do the opposite of what?

• Ethylene

• Abscisic Acid

• Auxins

• Cytokinins

What are the three types of tropisms?