In plants, bacterial infection sometimes leads to the production of an oil, methyl salicylate - VCE - SSCE Biology - Question 23 - 2007 - Paper 1
Question 23
In plants, bacterial infection sometimes leads to the production of an oil, methyl salicylate. This oil can travel through the air and reaches neighbouring plants th... show full transcript
Worked Solution & Example Answer:In plants, bacterial infection sometimes leads to the production of an oil, methyl salicylate - VCE - SSCE Biology - Question 23 - 2007 - Paper 1
Step 1
A. methyl salicylate is a pheromone.
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Answer
This statement is not entirely accurate. While methyl salicylate may have signaling functions, it is primarily known for its role in plant defense.
Step 2
B. the infecting bacteria produce methyl salicylate.
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Answer
There is no evidence provided in the question context to support that the bacteria themselves produce this compound.
Step 3
C. methyl salicylate lacks a specific message for recipient cells.
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Answer
Methyl salicylate acts as a signaling molecule, indicating that it does carry information, which contradicts this statement.
Step 4
D. the recipient plants produce a substance that kills pathogens.
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This statement is reasonable, as the defensive response from uninfected plants suggests they likely activate defenses, including the production of substances that can combat pathogens.
