Skip to content
Clear highlightsClear Highlight Report a problem

Growing in the Dark

Plants grow more quickly in the dark. The plants grow rapidly in order to reach the light. It is thought that gibberellins are responsible for cell elongation at the internodes.Rhubarb is sometimes grown in the dark. The plants become etiolated (thin with little chlorophyll) due to rapid growth.

Read the text

Read the text and highlight anything you think is important. When you go on, the text is hidden and you answer from memory.

Next

Specification: AQA Biology (7402), A-level, 3.6.1.1 Survival and response. Topic: Plant Responses.

Key terms in this lesson

gibberellin
A plant growth hormone that stimulates stem elongation, breaks seed dormancy and triggers the mobilisation of food stores during germination.

More in Plant Responses

All 19 lessons in Plant Responses · All AQA A-level Biology topics