Navigate

Phototropic curvature is the result of uneven distribution of:

Phototropic curvature is the result of uneven distribution of:

Options

(a) gibberellin
(b) Phytochrome
(c) cytokinins
(d) auxin

Correct Answer:

auxin

Explanation:

Phototrophic curvature is the result of uneven distribution of auxin. The experiments conducted by Charles Darwin concluded that the tip of coleoptile of canary grass contain auxin that causes the bending of the entire coleoptile towards the light source.

AIPMT2010
admin:

Related Questions

  1. Histamines the inflammation producing substances are produced by which cells
  2. Organisms, which have cells but no distinct nucleus, are
  3. Loss of forests, urbanization, increasing pollution are all due to
  4. Whose experiments cracked the DNA and discovered unequivocally that a genetic
  5. The oxidative breakdown of respiratory substrates, with help of oxygen, is termed as