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Gibberellin uses in apple production
Farmers can use plant hormones to control the growth of plants.
A farmer sprayed an apple tree with gibberellin. Suggest two reasons why the farmer sprayed the apple tree with gibberellin.
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Marking points
- 1 Suggests promoting or initiating flowering/more flowers.
- 2 Suggests producing more fruit.
- 3 Suggests producing bigger fruit.
- 4 Suggests making the fruits ripen simultaneously.
Full-mark answer
1. To promote flowering so the tree can produce fruit. 2. To make the apples larger.
Why this answer loses marks
It helps the apple tree grow.
This is too general; the response needs two specific flowering, fruit-yield, fruit-size or ripening effects.