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GCSE BIOLOGY - plant hormones

Across
The growth of a plant in response to gravity. Also known as geotropism.
A powder containing auxins, which can be applied to plant cuttings to assist plant growth (two words).
A type of plant hormone that stimulates seed germination, stem growth and flowering.
A plant hormone that controls the growth of a plant in response to different stimuli.
A gas produced by plants that controls cell division and stimulates ripening.
Down
The growth of a plant in response to light.
A small piece of a plant that can be taken and grown into a new plant using rooting powder (auxins).
A method of cloning plants in which a few plant cells are put on a growth medium containing hormones and allowed to grow (two words).