The plant hormone, indole-3-acetic acid (IAA) is synthesised from
A) an amino acid.
B) gibberellin.
C) a polysaccharide.
D) meualonic acid.
E) acetic acid.
Correct Answer:
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Q4: Which of the following affects plant growth
Q5: Which of the following plant hormones are
Q6: In the 1920s Friedrich Went, a plant
Q7: Which of the following growth responses is
Q8: Phototropism in plants is the
A) bending of
Q10: Amyloplasts contain
A) auxin.
B) plastids.
C) root cap cells.
D)
Q11: The compound known as 2,4-D
A) is a
Q12: In gravitropism, the plant root bends. This
Q13: IAA produces a phototropic response in plants
A)
Q14: IAA is thought to be involved in
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