Uses of Plant Hormones (AQA GCSE Biology): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
Why do humans use plant hormones in agriculture and horticulture?
Why do humans use plant hormones in agriculture and horticulture?
To increase yield, obtain desirable features, and lower costs
Which type of plants do auxin-based weedkillers affect?
Which type of plants do auxin-based weedkillers affect?
Broad-leaved plants
How does auxin in weedkiller cause weeds to die?
How does auxin in weedkiller cause weeds to die?
Cells grow too rapidly
Why are cuttings treated with rooting powder containing auxin?
Why are cuttings treated with rooting powder containing auxin?
To clone plants with desirable features
What happens after rooting powder is applied to a plant cutting?
What happens after rooting powder is applied to a plant cutting?
Roots grow and plant grows very quickly
In tissue culture, what do cells form when auxins are added?
In tissue culture, what do cells form when auxins are added?
Roots and shoots
When is fruit picked for commercial transport?
When is fruit picked for commercial transport?
When it is not ripe
Why is unripe fruit preferred during transport?
Why is unripe fruit preferred during transport?
It is firm and gets less bruised
What process does ethene control in fruit?
What process does ethene control in fruit?
Ripening
How are gibberellins used in the brewing industry?
How are gibberellins used in the brewing industry?
Increase germination rate of barley seeds
What benefit does applying gibberellins have on flowering?
What benefit does applying gibberellins have on flowering?
Flowering in any conditions
Why are seedless fruits sprayed with gibberellins?
Why are seedless fruits sprayed with gibberellins?
To increase their size