Biology Ch. 15 Plant Processes

hormone that causes plants to ripen

Gibberellins are produced in a plant’s roots but promote growth elsewhere in the plant.

how does a light source cause a plant to grow toward the light

Hormone which produced in the roots, causes stem elongation along with cell division in shoots and leaves

Which group of chemicals is responsible for photoperiodism?

Turgor pressure is produced when water enters a plant cell’s central vacuole

Transpiration is:

produced by the apical meristem, they produce cell elongation and suppress cell division

Bending a branch so that a part of it can be buried to produce new plants is called grafting

promotes cell division and lateral bud development

Active transport of sugars into sieve tubes through osmosis from areas of High to low pressure:

Day-neutral plants bloom without regard to the length of day or night

in pressure flow hypothesis, a source cell moves sugar into the phloem and then..

A sunflower growing towards the sunlight:

Plants that bloom without regard to day length are known as long day plants

inhibitor of other hormones and slows cell growth

hormone that acts primarily as an inhibitor

Plants obtain the nutrients they need as dissolved substances within the water they absorb through their leaves

The lack of genetic diversity in vegetatively propagated plants makes them more susceptible to diseases and pests.

Attraction of water molecules to each other is called?

Farmers use vegetative propagation to produce crops that are genetically identical to their parent plant.

Asexual reproduction in plants is also known as vegetative propagation

Plant rigidity is caused when water exerts turgor pressure inside a plant cell’s cytoplasm

specialized stem structures that grow along the surface of the ground

the phenomenon of plants responding to changes in the duration of daylight is known as photoperiodism

Plants bloom in response to the amount of light they receive

A full central vacuole maintains plant rigidity by:

watermelon vines growing up a fence

Attraction of water molecules to the walls of the xylem causing water to rise is called:

Abscisic acid works primarily as an inhibitor of other plant hormones.

What is the purpose of water in plants?

one tree must cross-pollinate with a tree of a different variety, producing seedlings that are genetically identical

What are the important roles of plants in the environment?

new varieties of high yield wheat and rice were developed during

What is a biblical reason to use caution when considering genetically modified plants? P

A plant growing toward a light source is exhibiting negative phototropism

The radicle of a plant exhibits positive gravitropism.

plant growth is controlled by messenger molecules called tropism

If a particular plant does not bloom until nights are longer than days, then that plant is a day neutral plant