Exam 29: Life Cycles of Flowering Plants

Researchers suspect that plant cells perceive temperature via their plasma membrane, because the _______ and _____ permeability of plasma membranes vary with temperature.

Matching Match the plant hormone with its description. -stimulates cell elongation A)ethylene B)cytokinin C)auxin D)abscisic acid E)gibberellin

Which of the following is the main trigger for breaking dormancy?

a(n. ____ is a fleshy fruit produced from one ovary.

Light-energized phototropins cause _____ to be directed away from the illuminated side of a stem.

Which animal typically pollinates brightly colored, unscented flowers?

Which of the following is an accessory fruit that is aggregate of individual dry seeds?

Which seed is particularly valued for its high protein and starch content?

Circadian rhythms are the outcome of cycles of ____.

The stigma, style, and ovary make up the female part of the flower called the ____.

Gibberellin induces ____ production, which causes _____ of starch in seeds.

Chrysanthemums and other short-day plants flower only when the hours of darkness are greater than a critical value. This is an example of ____.

Colchicine induces ______ by _______.

Hairy modified sepals of a dandelion fruit are dispersed by ____.

Plant roots sense gravity by which of the following?

The plant louse Phylloxera kills the ____ of ______.

Blocking changes in calcium ions would prevent which of the following?

In a monocot seed, what is the purpose of the coleoptile?

In a gravitropism, auxin moves to the ____ side of the stem and causes cell ____.

Matching Match the plant hormone with its description. -stimulates amylase synthesis and release in germinating seeds A)ethylene B)cytokinin C)auxin D)abscisic acid E)gibberellin