Question 1

The wavelength of light most effective in causing germination of lettuce seeds is 730 nanometers.

Accepted Answer

A) True 
 B)False

Question 2

Long-day plants flower:

Accepted Answer

A) in the summer. 
B) in early spring or fall. 
C) when exposed to eight hours of daylight. 
D) when the light period is shorter than a critical length. 
E) without respect to day length. 
A) in the summer. 
B) in early spring or fall. 
C) when exposed to eight hours of daylight. 
D) when the light period is shorter than a critical length. 
E) without respect to day length.

Question 3

Vernalization takes place directly in the cells of the:

Accepted Answer

A) shoot apical meristem. 
B) leaf blade. 
C) petiole. 
D) stem. 
E) hypocotyl. 
A) shoot apical meristem. 
B) leaf blade. 
C) petiole. 
D) stem. 
E) hypocotyl.

Question 4

In Arabidopsis, what is the correct order of action of the following flower-promoting genes?

Accepted Answer

A) FT then GI then CO 
B) CO then FT then GI 
C) CO then GI then FT 
D) GI then CO then FT 
E) FT then CO then GI 
A) FT then GI then CO 
B) CO then FT then GI 
C) CO then GI then FT 
D) GI then CO then FT 
E) FT then CO then GI

Question 5

Which of the following statements concerning hydrotropism is FALSE?

Accepted Answer

A) It is the directed growth of roots in response to moisture. 
B) Decapped roots do not curve hydrotropically. 
C) Under normal gravity, hydrotropism is suppressed by gravitropism. 
D) Auxin apparently is required for hydrotropism. 
E) Inhibitors of auxin influx and efflux also inhibit hydrotropism. 
A) It is the directed growth of roots in response to moisture. 
B) Decapped roots do not curve hydrotropically. 
C) Under normal gravity, hydrotropism is suppressed by gravitropism. 
D) Auxin apparently is required for hydrotropism. 
E) Inhibitors of auxin influx and efflux also inhibit hydrotropism.

The wavelength of light most effective in causing germination of lettuce seeds is 730 nanometers.

Long-day plants flower:

Vernalization takes place directly in the cells of the:

In Arabidopsis, what is the correct order of action of the following flower-promoting genes?

Which of the following statements concerning hydrotropism is FALSE?

Botany: an Introduction

The Molecular Composition of Plant Cells

The Plant Cell and the Cell Cycle

The Movement of Substances Into and Out of Cells

The Flow of Energy

Respiration

Photosynthesis, Light, and Life

Sexual Reproduction and Heredity

The Chemistry of Heredity and Gene Expression

Recombinant Dna Technology, Plant Biotechnology, and Genomics

The Process of Evolution

Systematics: the Science of Biological Diversity

Prokaryotes and Viruses

Fungi

Protists: Algae and Heterotrophic Protists

Bryophytes

Seedless Vascular Plants

Gymnosperms

Introduction to the Angiosperms

Evolution of the Angiosperms

Plants and People

Early Development of the Plant Body

Cells and Tissues of the Plant Body

The Root: Structure and Development

The Shoot: Primary Structure and Development

Secondary Growth in Stems

Regulating Growth and Development: the Plant Hormones

Plant Nutrition and Soils

The Movement of Water and Solutes in Plants

The Dynamics of Communities and Ecosystems

Global Ecology

Filters

Exam 28: External Factors and Plant Growth

The wavelength of light most effective in causing germination of lettuce seeds is 730 nanometers.

Long-day plants flower:

Vernalization takes place directly in the cells of the:

In Arabidopsis, what is the correct order of action of the following flower-promoting genes?

Which of the following statements concerning hydrotropism is FALSE?

Botany: an Introduction

The Molecular Composition of Plant Cells

The Plant Cell and the Cell Cycle

The Movement of Substances Into and Out of Cells

The Flow of Energy

Respiration

Photosynthesis, Light, and Life

Sexual Reproduction and Heredity

The Chemistry of Heredity and Gene Expression

Recombinant Dna Technology, Plant Biotechnology, and Genomics

The Process of Evolution

Systematics: the Science of Biological Diversity

Prokaryotes and Viruses

Fungi

Protists: Algae and Heterotrophic Protists

Bryophytes

Seedless Vascular Plants

Gymnosperms

Introduction to the Angiosperms

Evolution of the Angiosperms

Plants and People

Early Development of the Plant Body

Cells and Tissues of the Plant Body

The Root: Structure and Development

The Shoot: Primary Structure and Development

Secondary Growth in Stems

Regulating Growth and Development: the Plant Hormones

Plant Nutrition and Soils

The Movement of Water and Solutes in Plants

The Dynamics of Communities and Ecosystems

Global Ecology

Filters