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Practice question

Question

Brassinosteroids were first identified in which year?

Options

Choose one · Correct answer highlighted

Explanation

Correct option is C, 1979. In Brassinosteriod problems like this, the accurate statement is 1979; the others are common mix-ups. Not these: A) 1969; B) 1975; D) 1985. Tissue transport questions usually turn on xylem vs phloem, living vs dead cells, or source vs sink.