Stern’s Introductory Plant Biology 14th Edition By James Bidlack – Test Bank

Chapter 11 Growth

1) ________ is defined as an irreversible increase in mass due to the division and enlargement of cells.
A) Development
B) Differentiation
C) Determination
D) Growth
E) Change

Answer: D
Topic: Overview
Bloom’s: 1. Remember
Learning Outcome: 11.01 Contrast growth, differentiation, and development.
Accessibility: Keyboard Navigation
Gradable: automatic

2) Genes, acting in conjunction with the environment, control patterns of ________.
A) growth
B) development
C) differentiation
D) response to environmental changes
E) All of the answer choices are correct.

Answer: E
Topic: Overview
Bloom’s: 2. Understand
Learning Outcome: 11.01 Contrast growth, differentiation, and development.
Accessibility: Keyboard Navigation
Gradable: automatic

3) Hormones differ from vitamins in all of the following ways EXCEPT
A) Hormones control development; vitamins are needed for functioning of some enzymes.
B) Hormones are required in far smaller amounts than vitamins.
C) Hormones are inorganic molecules whereas vitamins are small organic molecules.
D) Hormones move from site of production to site of action; vitamins are produced in cells where they are utilized.
E) Plant hormones have no function in animals; vitamins are needed by animals and many are obtained from plants.

Answer: C
Topic: Nutrients, Vitamins, and Hormones
Bloom’s: 2. Understand
Learning Outcome: 11.02 Distinguish among nutrients, vitamins, and plant hormones. Explain the role of signal transduction in plant responses to the environment.
Accessibility: Keyboard Navigation
Gradable: automatic

4) Internal environmental factors coordinating plant growth and development include ________.
A) water quality
B) light
C) hormones
D) temperature
E) day length

Answer: C
Topic: Nutrients, Vitamins, and Hormones
Bloom’s: 2. Understand
Learning Outcome: 11.02 Distinguish among nutrients, vitamins, and plant hormones. Explain the role of signal transduction in plant responses to the environment.
Accessibility: Keyboard Navigation
Gradable: automatic
5) External environmental factors influencing plant growth and development include ________.
A) water quality
B) water availability
C) minerals
D) light
E) All of the answer choices are correct.

Answer: E
Topic: Overview
Bloom’s: 2. Understand
Learning Outcome: 11.04 Distinguish among types of plant responses to the environment and identify the forces behind them.
Accessibility: Keyboard Navigation
Gradable: automatic

6) The plant physiologist credited with the discovery of auxins was
A) Frits Went.
B) Charles Darwin.
C) Francis Darwin.
D) R. F. M. van Steveninck.
E) P. F. Wareing.

Answer: A
Topic: Nutrients, Vitamins, and Hormones
Bloom’s: 1. Remember
Learning Outcome: 11.03 Identify the types of plant hormones and describe the major functions of each; discuss commercial applications for each.
Accessibility: Keyboard Navigation
Gradable: automatic

7) Which of the following groups of plants tends to be the least sensitive to auxins?
A) herbaceous dicots
B) monocots
C) woody dicots
D) flowering plants with net-veined leaves
E) plants with flower parts in multiples of 4 or 5

Answer: B
Topic: Nutrients, Vitamins, and Hormones
Bloom’s: 1. Remember
Learning Outcome: 11.03 Identify the types of plant hormones and describe the major functions of each; discuss commercial applications for each.
Accessibility: Keyboard Navigation
Gradable: automatic
8) Phenylacetic acid (PAA) is a/an ________.
A) gibberellin
B) auxin
C) cytokinin
D) an ethylene derivative
E) None of these answers are correct.

Answer: B
Topic: Nutrients, Vitamins, and Hormones
Bloom’s: 1. Remember
Learning Outcome: 11.03 Identify the types of plant hormones and describe the major functions of each; discuss commercial applications for each.
Accessibility: Keyboard Navigation
Gradable: automatic

9) Which of the following pertaining to auxins is true?
A) Their migration from the cells where they originate is relatively slow.
B) Their movement is polar.
C) Their movement requires the expenditure of energy stored in ATP molecules.
D) They tend to proceed through parenchyma cells surrounding vascular bundles.
E) All of these answers are correct.

Answer: E
Topic: Nutrients, Vitamins, and Hormones
Bloom’s: 2. Understand
Learning Outcome: 11.03 Identify the types of plant hormones and describe the major functions of each; discuss commercial applications for each.
Accessibility: Keyboard Navigation
Gradable: automatic

10) A precursor is
A) a traveling electron.
B) a growth-regulating substance.
C) a simple molecule that is converted to a more complex molecule.
D) a gene that determines writing style.
E) one who is predisposed to using profanity.

Answer: C
Topic: Nutrients, Vitamins, and Hormones
Bloom’s: 1. Remember
Learning Outcome: 11.01 Contrast growth, differentiation, and development.; 11.02 Distinguish among nutrients, vitamins, and plant hormones. Explain the role of signal transduction in plant responses to the environment.
Accessibility: Keyboard Navigation
Gradable: automatic