Question 1

Match between columns
                        Premises: apical dominance

Accepted Answer

The Answer of gibberellins and abscisic acid and auxins and is...

Question 2

Darwin's experiments on phototropism illustrated that ____. ​

Accepted Answer

A) plant stems bend away from bright lights 
B) signals from plant roots control phototropism 
C) an opaque cap placed over a shoot tip will cause a plant to bend toward light, but will inhibit growth 
D) a translucent cap placed over a shoot tip will cause a plant to bend toward light, but will inhibit growth 
E) a translucent cap placed over a shoot tip will cause a plant to both grow and bend toward light 
A) plant stems bend away from bright lights 
B) signals from plant roots control phototropism 
C) an opaque cap placed over a shoot tip will cause a plant to bend toward light, but will inhibit growth 
D) a translucent cap placed over a shoot tip will cause a plant to bend toward light, but will inhibit growth 
E) a translucent cap placed over a shoot tip will cause a plant to both grow and bend toward light

Question 3

The plant signaling molecule ____ is similar in structure to aspirin.

Accepted Answer

A) abscisic acid 
B) ethylene 
C) salicylic acid 
D) jasmonate 
E) oligosaccharin 
A) abscisic acid 
B) ethylene 
C) salicylic acid 
D) jasmonate 
E) oligosaccharin

Question 4

Movement of IAA in a shoot tip is as follows: ____. ​

Accepted Answer

A) IAA initially moves downward from the shoot tip via polar transport. 
B) IAA initially moves laterally from the shaded to illuminated side of the shoot tip. 
C) IAA initially moves laterally from the illuminated to shaded side of the shoot tip. 
D) IAA initially moves laterally in the shoot tip via non-polar transport. 
E) IAA moves from root tips upwards towards leaves. 
A) IAA initially moves downward from the shoot tip via polar transport. 
B) IAA initially moves laterally from the shaded to illuminated side of the shoot tip. 
C) IAA initially moves laterally from the illuminated to shaded side of the shoot tip. 
D) IAA initially moves laterally in the shoot tip via non-polar transport. 
E) IAA moves from root tips upwards towards leaves.

Question 5

Match between columns
                        Premises: Frits Went

Accepted Answer

The Answer of salicylic acid and ethylene and abscisic acid is...

Question 6

Match between columns
                        Premises: Victoria Gomex-Roldan

Accepted Answer

The Answer of abscisic acid and gibberellins and auxins and is...

Question 7

Researchers have used molecular analysis to determine that ____ evolved after flowering plants, but before eudicots and monocots emerged.

Accepted Answer

A) auxins 
B) cytokinins 
C) jasmonates 
D) gibbererlins 
E) ethylene 
A) auxins 
B) cytokinins 
C) jasmonates 
D) gibbererlins 
E) ethylene

Question 8

In the back and forth evolutionary struggle between plants and virulent bacteria, plants use ____ immunity to combat the bacteria. ​

Accepted Answer

A) effector-triggered 
B) systemic acquired 
C) gene-for-gene 
D) hypersensitive 
E) jasmonate response 
A) effector-triggered 
B) systemic acquired 
C) gene-for-gene 
D) hypersensitive 
E) jasmonate response

Question 9

Explain the hypersensitive response.

Accepted Answer

When a plant becomes infected by bacteri

Question 10

Chitinases are examples of ____. ​

Accepted Answer

A) systemins 
B) phytoalexins 
C) PR proteins 
D) R genes 
E) heat-shock proteins 
A) systemins 
B) phytoalexins 
C) PR proteins 
D) R genes 
E) heat-shock proteins

Question 11

Match between columns
                        Premises: leaf bud dormancy

Accepted Answer

The Answer of salicylic acid and abscisic acid and auxins is...

Question 12

Match between columns
                        Premises: phototropism

Accepted Answer

The Answer of auxins and strigolactones and abscisic acid and is...

Question 13

Match between columns
                        Premises: promoting leaf abscission

Accepted Answer

The Answer of gibberellins and abscisic acid and ethylene and is...

Question 14

Plants exude ____ from roots to stimulate the growth of soil fungi.

Accepted Answer

A) strigolactones 
B) cytokinins 
C) ethylene 
D) auxins 
E) jasmonates 
A) strigolactones 
B) cytokinins 
C) ethylene 
D) auxins 
E) jasmonates

Question 15

A plant hormone has the same effects in different plant tissues.

Accepted Answer

A) True 
 B)False

Question 16

The plant hormone ____ is apparently synthesized from carotenoid pigments inside plastids. ​

Accepted Answer

A) salicylic acid 
B) cytokinin 
C) abscisic acid 
D) jasmonate 
E) brassinosteroid 
A) salicylic acid 
B) cytokinin 
C) abscisic acid 
D) jasmonate 
E) brassinosteroid

Question 17

Describe the various effects of auxins in plants. ​

Accepted Answer

Auxins are involved in a variety of plan

Question 18

Which of the following serves as a switching mechanism in the photoperiodic response in plants? ​

Accepted Answer

A) phytochrome 
B) auxin 
C) cryptochrome 
D) calmodulin 
E) phytoalexin 
A) phytochrome 
B) auxin 
C) cryptochrome 
D) calmodulin 
E) phytoalexin

Question 19

Suppose you are culturing tobacco callus in a Petri dish at a 10:1 ratio of auxin to cytokinin. To promote only shoot development you would ____.  ​

Accepted Answer

A) increase the cytokinin ratio 
B) increase the auxin ratio 
C) reduce the auxin level significantly and increase the cytokinin level slightly 
D) grow the tobacco in the dark 
E) grow the tobacco in the light 
A) increase the cytokinin ratio 
B) increase the auxin ratio 
C) reduce the auxin level significantly and increase the cytokinin level slightly 
D) grow the tobacco in the dark 
E) grow the tobacco in the light

Question 20

Match between columns
                        Premises: systemic acquired resistance

Accepted Answer

The Answer of abscisic acid and ethylene and salicylic acid is...

Exam 37: Plant Signals and Responses to the Environment

Darwin's experiments on phototropism illustrated that ____. ​

The plant signaling molecule ____ is similar in structure to aspirin.

Movement of IAA in a shoot tip is as follows: ____. ​

Researchers have used molecular analysis to determine that ____ evolved after flowering plants, but before eudicots and monocots emerged.

In the back and forth evolutionary struggle between plants and virulent bacteria, plants use ____ immunity to combat the bacteria. ​

Explain the hypersensitive response.

Chitinases are examples of ____. ​

Plants exude ____ from roots to stimulate the growth of soil fungi.

A plant hormone has the same effects in different plant tissues.

The plant hormone ____ is apparently synthesized from carotenoid pigments inside plastids. ​

Describe the various effects of auxins in plants. ​

Which of the following serves as a switching mechanism in the photoperiodic response in plants? ​

Suppose you are culturing tobacco callus in a Petri dish at a 10:1 ratio of auxin to cytokinin. To promote only shoot development you would ____. ​

Introduction to Biological Concepts and Research

Life, Chemistry, and Water

Biological Molecules: the Carbon Compounds of Life

Cells

Membranes and Transport

Energy, Enzymes, and Biological Reactions

Cellular Respiration: Harvesting Chemical Energy

Photosynthesis

Cell Communication

Cell Division and Mitosis

Meiosis: the Cellular Basis of Sexual Reproduction

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

DNA Structure, Replication, and Organization

From DNA to Protein

Regulation of Gene Expression

Bacterial and Viral Genetics

Dna Technologies: Making and Using Genetically Altered Organisms, and Other Applications

Genomes and Proteomes

The Development of Evolutionary Thought

Microevolution: Genetic Changes Within Populations

Speciation

Paleobiology and Macroevolution

Systematic Biology: Phylogeny and Classification

The Origin of Life

Prokaryotes and Viruses

Protists

Seedless Plants

Seed Plants

Fungi

Animal Phylogeny, Acoelomates, and Protostomes

Deuterostomes: Vertebrates and Their Closest Relatives

The Plant Body

Transport in Plants

Plant Nutrition

Reproduction and Development in Flowering Plants

Introduction to Animal Organization and Physiology

Information Flow and the Neuron

Nervous Systems

Sensory Systems

The Endocrine System

Muscles, Bones, and Body Movements

The Circulatory System

Defenses Against Disease

Gas Exchange: the Respiratory System

Animal Nutrition

Regulating the Internal Environment

Animal Reproduction

Animal Development

Ecology and the Biosphere

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Biodiversity and Conservation Biology

Animal Behavior

Filters

Darwin's experiments on phototropism illustrated that ____.

Movement of IAA in a shoot tip is as follows: ____.

In the back and forth evolutionary struggle between plants and virulent bacteria, plants use ____ immunity to combat the bacteria.

Chitinases are examples of ____.

The plant hormone ____ is apparently synthesized from carotenoid pigments inside plastids.

Describe the various effects of auxins in plants.

Which of the following serves as a switching mechanism in the photoperiodic response in plants?

Suppose you are culturing tobacco callus in a Petri dish at a 10:1 ratio of auxin to cytokinin. To promote only shoot development you would ____.