Other Plant Hormones (Grade 12 NSC Matric Life Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the main role of gibberellins in seed development?
What is the main role of gibberellins in seed development?
They trigger seed germination
How does abscisic acid differ from gibberellins in plant growth?
How does abscisic acid differ from gibberellins in plant growth?
It inhibits or slows down growth
What role does abscisic acid play in seed development?
What role does abscisic acid play in seed development?
It promotes seed dormancy
Which process do gibberellins stimulate in plants?
Which process do gibberellins stimulate in plants?
Formation and development of flowers
What leaf type do most weeds have compared to cereal crops?
What leaf type do most weeds have compared to cereal crops?
Broad leaves
What principle allows hormone-based weed control to work effectively?
What principle allows hormone-based weed control to work effectively?
Different species respond differently
What effect do high auxin concentrations have on weed roots?
What effect do high auxin concentrations have on weed roots?
They inhibit root growth
What is a key benefit of hormone-based weed control?
What is a key benefit of hormone-based weed control?
Less toxic to animals and humans
What resources do weeds compete with crop plants for?
What resources do weeds compete with crop plants for?
Space, nutrients, water, and sunlight
How does abscisic acid help plants cope with environmental challenges?
How does abscisic acid help plants cope with environmental challenges?
It helps with drought and stress response