Biology 0610 · IGCSE · Tropic responses

Tropic responses — practice question

When it is dark, why do plant shoots grow upward while roots grow downward?

  • Agravitropism no, phototropism no
  • Bgravitropism no, phototropism yes
  • Cgravitropism yes, phototropism no
  • Dgravitropism yes, phototropism yes

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