Question 1

Which of the following statements concerning nocturnal transpiration is FALSE?

Accepted Answer

A) For some species it constitutes a significant fraction of the daily water use. 
B) It may enhance nutrient uptake. 
C) It occurs when evaporation rates are higher than in the day. 
D) It is due to stomata not closing completely in the dark. 
E) It is found in many trees and shrubs. 
A) For some species it constitutes a significant fraction of the daily water use. 
B) It may enhance nutrient uptake. 
C) It occurs when evaporation rates are higher than in the day. 
D) It is due to stomata not closing completely in the dark. 
E) It is found in many trees and shrubs.

Question 2

Plants with crassulacean acid metabolism:

Accepted Answer

A) open their stomata when conditions are favorable to transpiration. 
B) convert CO2 to organic acids during the day. 
C) convert organic acids to CO2 during the night. 
D) are exemplified by members of the stonecrop family. 
E) have a pathway for carbon flow much different from that of C4 plants. 
A) open their stomata when conditions are favorable to transpiration. 
B) convert CO2 to organic acids during the day. 
C) convert organic acids to CO2 during the night. 
D) are exemplified by members of the stonecrop family. 
E) have a pathway for carbon flow much different from that of C4 plants.

Question 3

The transport of the assimilate stream in the phloem is called translocation.

Accepted Answer

A) True 
 B)False

Question 4

A plant loses the greatest amount of water through the:

Accepted Answer

A) leaf cuticle. 
B) stem cuticle. 
C) root cuticle. 
D) stomata. 
E) lenticels. 
A) leaf cuticle. 
B) stem cuticle. 
C) root cuticle. 
D) stomata. 
E) lenticels.

Question 5

In the process of guttation, all of the following events occur EXCEPT:

Accepted Answer

A) dew-like drops of water form at the tips of grass. 
B) dew-like drops of water form at the tips of leaves. 
C) water exudes through stomata that lack the ability to open and close. 
D) water exudes through openings in structures called hydathodes. 
E) water forms from the condensation of water from the air. 
A) dew-like drops of water form at the tips of grass. 
B) dew-like drops of water form at the tips of leaves. 
C) water exudes through stomata that lack the ability to open and close. 
D) water exudes through openings in structures called hydathodes. 
E) water forms from the condensation of water from the air.

Which of the following statements concerning nocturnal transpiration is FALSE?

Plants with crassulacean acid metabolism:

The transport of the assimilate stream in the phloem is called translocation.

A plant loses the greatest amount of water through the:

In the process of guttation, all of the following events occur EXCEPT:

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

External Factors and Plant Growth

Plant Nutrition and Soils

The Dynamics of Communities and Ecosystems

Global Ecology

Filters

Exam 30: The Movement of Water and Solutes in Plants

Which of the following statements concerning nocturnal transpiration is FALSE?

Plants with crassulacean acid metabolism:

The transport of the assimilate stream in the phloem is called translocation.

A plant loses the greatest amount of water through the:

In the process of guttation, all of the following events occur EXCEPT:

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

External Factors and Plant Growth

Plant Nutrition and Soils

The Dynamics of Communities and Ecosystems

Global Ecology

Filters