🧬 Biology · Topic 22 of 98

Plant Minerals and Hormones

Plants need minerals such as nitrates and magnesium, and hormones like auxin control growth and responses.

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Plants need minerals such as nitrates and magnesium, and hormones like auxin control growth and responses.

  • Nitrates are needed for proteins
  • Magnesium is needed for chlorophyll
  • Auxin makes shoots grow towards light

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Three questions. Score 2 or more to complete the topic.

What is Plant Minerals and Hormones?

Within Biology, which covers cells, the human body, genetics, evolution, plants and ecosystems: the science of living things, this topic explains Plant Minerals and Hormones. Biology topics show how living things work, from the cell up to whole ecosystems, with models you can explore step by step.

Check that you can explain Plant Minerals and Hormones in your own words and give one example from everyday life. If you can do that, you have understood the core idea.

Understanding Plant Minerals and Hormones helps you explain how living things stay alive and respond to their surroundings, which is central to biology exams.

Plant Minerals and Hormones in detail

Plants need minerals from the soil. Nitrates are used to make amino acids and proteins, and a shortage causes stunted growth and yellow leaves. Magnesium is needed for chlorophyll, so lack causes yellowing between veins, and phosphate is needed for DNA and cell membranes, so deficiency gives purple leaves and poor root growth.

Plant hormones such as auxin control growth. They are used commercially: rooting powders contain auxin, ethene speeds up ripening and gibberellins end seed dormancy. Understanding what plants need guides fertiliser use and growing practices.

How the interactive helps you understand Plant Minerals and Hormones

Click a card to flip it and reveal the answer, then move on to the next one.

Before you change anything, predict the result. Then change one value at a time and check whether your prediction was right. This is a quick way to build a correct mental model of Plant Minerals and Hormones.

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Frequently asked questions about Plant Minerals and Hormones

What is Plant Minerals and Hormones?

Plants need minerals such as nitrates and magnesium, and hormones like auxin control growth and responses.

What are the most important points about Plant Minerals and Hormones?

The main points are: Nitrates are needed for proteins; Magnesium is needed for chlorophyll; Auxin makes shoots grow towards light.

Why is Plant Minerals and Hormones useful?

Understanding Plant Minerals and Hormones helps you explain how living things stay alive and respond to their surroundings, which is central to biology exams.

How can I practise Plant Minerals and Hormones?

Open the interactive at the top of this page and change the controls one at a time. Predict the result before each change, then take the three-question quiz. A score of two or more marks the topic as complete on this device.

Which topics are related to Plant Minerals and Hormones?

Related topics in Biology include Seed Germination, The Breathing System, The Circulatory System.

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