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WorksheetsGH Unit 3:4 Growth Regulators
Total questions: 10
Worksheet time: 30mins
Which one of these hormones does NOT stimulate plant growth?
Ethylene
Gibberellins
Auxins
Cytokinins
This is known as the plant's self destruct mechanism:
Apical Dominance
Ethylene
Cytokinins
Allelopathy
When one shoot becomes the leader, or tallest stem.
Allelopathy
Gibberellins
Auxins
Apical Dominance
A: Cytokinins
B: Auxins
A: Auxins
B: Cytokinins
A: Gibberellin
B: Ethylene
A: Abscisic Acid
B: Ethylene
Prevents stems of flowers from getting tall and gangly:
Chemical Retardant (PGRs)
Gibberellic Acid
Stimulants
Dwarfing Rootstock
What word means "of each other" "to suffer?"
Gibberellins
Apical dominance
Allelopathy
Auxins
Synthetic rooting hormones that you can buy at the store typically contain:
Auxins
Cytokinins
Ethylene
Chemical Retardants
True or False: Gibberellins make stems taller
True
False
When you place a ripe banana next to a bunch of green bananas the green bananas will ripen and turn yellow faster than normal. This happens because the brown banana is releasing ______________, which signals the green bananas to accelerate the ripening process.
Auxins
Cytonkinins
Gibberellins
Ethylene
True or False: An inhibitor is a substance which slows down or prevents a particular chemical reaction or other process.
True
False
