Welcome to the Quiz!
This quiz contains 7 questions from a mix of 1 subtopics.
What do synergistic plant hormones do?
they work together and give a greater response than they would individually
they have opposite effects on the plant
they nullify each other's effects
they do not influence each other's effects
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How can different plant hormones interact with each other?
they can only be synergistic
they can only be antagonistic
they do not interact with each other
they can be either synergistic or antagonistic
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What is apical dominance?
the suppression of apical bud growth by auxins produced in the lateral buds
the equal growth of all buds
the suppression of lateral bud growth by auxins produced in the shoot tip
the random growth of buds
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What is the effect of high auxin concentrations on root growth?
it has no effect on root growth
it promotes root growth
it causes root hairs to grow
it inhibits root growth
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What happens to the cells during auxin-induced cell elongation?
they lose water by osmosis
they maintain a constant water content
they absorb water by osmosis
they divide rapidly
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What happens to the pH of the cell wall during auxin-induced cell elongation?
the pH fluctuates
the pH remains the same
the pH increases
the pH decreases
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Where is IAA mainly synthesised in plants?
in the stem
in the roots
in meristems
in the leaves
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