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Questions and Answers
Which of the following is NOT an essential nutrient required for a plant to complete its life cycle?
What is the symptom of nitrogen deficiency in plants?
In which direction do roots grow in response to gravitropism?
What is the tropism that involves the movement of a plant towards or away from water?
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What is the main function of auxin in plants?
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What is the effect of reducing gibberellin levels in a plant?
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What is the role of cytokinin in plants?
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What is the function of abscisic acid (ABA) in plants?
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Why do gardeners prune to create bushier plants?
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What is the effect of ethylene on plants?
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What is the primary purpose of using ethylene inhibitors on fresh fruits?
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How can gibberellin be used in plant cultivation?
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Study Notes
Plant Nutrition
- Light is NOT an essential nutrient required for a plant to complete its life cycle.
Nitrogen Deficiency
- The symptom of nitrogen deficiency in plants is stunted growth and yellowing of leaves.
Root Growth
- Roots grow in a downward direction in response to gravitropism.
Hydrotropism
- Hydrotropism is the tropism that involves the movement of a plant towards or away from water.
Auxin Function
- The main function of auxin in plants is to promote cell elongation and cell division.
Gibberellin Effect
- Reducing gibberellin levels in a plant can lead to stunted growth.
Cytokinin Role
- The role of cytokinin in plants is to promote cell division and shoot growth.
Abscisic Acid Function
- The function of abscisic acid (ABA) in plants is to regulate seed dormancy and stomatal closure.
Pruning
- Gardeners prune to create bushier plants by stimulating the growth of new shoots.
Ethylene Effect
- Ethylene promotes fruit ripening and senescence (aging) in plants.
Ethylene Inhibitors
- The primary purpose of using ethylene inhibitors on fresh fruits is to prolong their shelf life.
Gibberellin Use
- Gibberellin can be used in plant cultivation to increase seed germination and stem growth.
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Description
Test your knowledge of essential nutrients required for plant growth with this quiz. From atmospheric to soil sources, how well do you know the 17 essential nutrients needed for plants to complete their life cycle? Find out with this plant physiology quiz.
