Multiple Choice
A currently accepted hypothesis for gravitropism in plants is that:
A) sedimentation of organelles triggers hormone release.
B) microscopic eyespots trigger upward (skyward) growth.
C) ground contact inhibits stem growth while air stimulates it.
D) bending of leaves in response to gravity triggers growth in the opposite direction.
Correct Answer:
Verified
Correct Answer:
Verified
Q24: As a more recently evolved plant group,angiosperms
Q25: _ is the angiosperm tissue that is
Q26: What trend do we observe as we
Q27: The life cycle of flowering plants contains
Q28: Diminished rewards of photosynthesis in winter along
Q30: The reserve food in angiosperm seeds is
Q31: In some areas of the world where
Q32: Bryophytes lack:<br>A)chlorophyll.<br>B)spores.<br>C)gametes.<br>D)vascular tissue.
Q33: In general,a seed is a:<br>A)protected plant embryo
Q34: In all plants,the diploid (2n)phase produces:<br>A)sperm and/or