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biology 0610printed 187 · PDF 187
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printed 187 · PDF 187
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Aitchison College Academic Resources.
What is an example of gravitropism?
A
B
c
D
a chemical messenger produced by a plant
a painful sensation in response to a stimulus
the growth of a plant root towards the centre of the Earth
the growth of a plant shoot towards light
Which organ produces a hormone?
7.
A
B
Cc
D
heart
lung
ovary
spinal cord
Which part of the human eye is sensitive to light?
A
B
c
D
iris
lens
optic nerve
retina
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