Exam 45: Plant Responses to the Environment

Which of the following is TRUE of the relationship between the phytochrome system and the biological clock of plants?

Pea plant tendrils wrapping around a string demonstrate:

If a plant is living under conditions that limit root growth, shoot growth is:

Short-day plants flower only if:

To encourage the formation of well-developed, heavily branched roots, you should treat cuttings with:

Tomatoes that are planted upside down still grow upright, displaying:

A species-specific ratio of ________ produced in the apical meristem and ________ produced in the root tips maintains a balance between shoot and root growth.

As a leaf or fruit ages and prepares to fall from a tree, what type of layer does it form?

Which environmental factor is most significant for flowering?

Roots grow downward and shoots grow upward due to:

Why do bananas in a bag ripen so much faster than bananas on a counter top?

Venus flytraps catch insects in order to supplement their input of:

The hormone ________ was named after the fungus that causes "foolish seedling" disease in rice.

When auxin accumulates on the lower side of the root of a germinating seed, it:

Most scientists believe that the lateral buds farthest from the top of a tree are the least inhibited from sprouting because they:

Which of these hormones helps plants tolerate drought and cold?

Why can flowers be brought "into bloom" out of season by changing the duration of light and darkness?

________ plants bloom only when the duration of uninterrupted darkness is shorter than a critical length.

Why are most carnivorous plants found in bogs?

If a storm breaks off the top of a tree, within a year or two, one of the lower branches will grow upward and become the new tree top, while inhibiting other branches from doing the same. This is an example of: