Some examples from this set of practice questions
1.
list the various physical defences of a plant
Answer: spikes, thorns, spines, hairy leaves, inedible tissue. stings
2.
list the chemical defences of a plant
Answer: tannins, alkaloids, terpenoids such as citronella
3.
how does mimosa pudica defend itself ?
Answer: folds in response to touch, scaring the animal
4.
how do plants communicate with one another ?
Answer: via releasing pheromones
5.
when do plants release pheromones ?
Answer: to warn other plants that they are being attacked by a herbivor
6.
how do neighbouring plants respond when they detect the pheromones of another plant ?
Answer: produce callose to protect from the attack
7.
what do synergistic plant hormones do ?
Answer: amplify each other\'s effects
8.
what do antagonistic plant hormones do ?
Answer: wor against each other, sometimes cancelling each other out
9.
what is the definition of a tropism ?
Answer: directional growth in response to a stimulus
10.
list the different types of tropisms
Answer: phototropism, gravitotropism, hydortropism, chemotropism, thigmotropism
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