Plant Responses Lesson Quiz A Multiple Choice LESSON 2

Name
Date
Class
Lesson Quiz A
LESSON 2
Plant Responses
Multiple Choice
Directions: On the line before each question or statement, write the letter of the correct answer.
1. A Venus flytrap captures insects by responding to which type of stimulus?
A. light
B. touch
C. gravity
2. A hormone is an example of which type of stimulus?
A. chemical
B. reproductive
C. environmental
3. Plants that require 12 or more hours of darkness to flower are called
A. long-day plants.
B. short-day plants.
C. day-neutral plants.
Completion
Directions: On each line, write the term from the word bank that correctly completes each sentence. Each term is
used only once.
ethylene
gibberellin
photoperiodism
phototropism
tropism
4. A(n)
is a response that results in a plant growth toward or
away from a stimulus.
5.
is a plant hormone that stimulates the ripening of fruit.
6. One of the first plant hormones discovered was
, which
increases plant growth by causing cells to grow longer.
7. A plant’s response to the number of hours of darkness in its environment
is
.
8. Applying the hormone
to plants can dramatically increase
the growth of stems and leaves.
9. The growth of a plant toward or away from light is
42
.
Plant Processes and Reproduction
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