Biology 5090 · O Level · Coordination and response in plants

Coordination and response in plants — practice question

Some seedlings were kept in a warm, damp and dark setting. The growing shoot tips were removed and then placed back onto one side of each shoot, as shown. The shoots were then allowed to continue growing. Which growth pattern was observed in the shoots?

  • AThe shoots stopped growing.
  • BThe shoots grew straight up.
  • CThe shoots grew with a curve to the left.
  • DThe shoots grew with a curve to the right.

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