Question 1

A clone of white potatoes may be derived from underground

Accepted Answer

A)  tubers. 
B)  stolons. 
C)  rhizomes. 
D)  bulbs. 
E)  root suckers. 
A)  tubers. 
B)  stolons. 
C)  rhizomes. 
D)  bulbs. 
E)  root suckers. A

Question 2

A horticulturalist who wants to induce flowering in a crop of short-day plants should carry out the induction

Accepted Answer

A)  in the spring. 
B)  when day length is below a critical maximum. 
C)  in midsummer. 
D)  when day length is above a critical maximum. 
E)  throughout the summer. 
A)  in the spring. 
B)  when day length is below a critical maximum. 
C)  in midsummer. 
D)  when day length is above a critical maximum. 
E)  throughout the summer. B

Question 3

A new variety of oats that requires vernalization must _______ before it will produce seeds.

Accepted Answer

A)  be exposed to cold 
B)  have sufficient soil calcium 
C)  experience a minimal day length 
D)  have sufficient moisture for a minimum period 
E)  experience one full year of growth 
A)  be exposed to cold 
B)  have sufficient soil calcium 
C)  experience a minimal day length 
D)  have sufficient moisture for a minimum period 
E)  experience one full year of growth A

Question 4

Which sequence represents the correct order of events (from earliest to latest)in the reproduction of angiosperms,with regard to pollen and seed?

Accepted Answer

A)  Pollination$\rightarrow$  seed dispersal $\rightarrow$ pollen formation 
B)  Pollen formation $\rightarrow$  pollination $\rightarrow$  seed dispersal 
C)  Seed dispersal $\rightarrow$  pollen formation $\rightarrow$  pollination 
D)  Seed dispersal $\rightarrow$  pollination $\rightarrow$ pollen formation 
E)  Pollen formation $\rightarrow$ seed dispersal $\rightarrow$  pollination 
A)  Pollination$\rightarrow$  seed dispersal $\rightarrow$ pollen formation 
B)  Pollen formation $\rightarrow$  pollination $\rightarrow$  seed dispersal 
C)  Seed dispersal $\rightarrow$  pollen formation $\rightarrow$  pollination 
D)  Seed dispersal $\rightarrow$  pollination $\rightarrow$ pollen formation 
E)  Pollen formation $\rightarrow$ seed dispersal $\rightarrow$  pollination

Question 5

You have discovered that your neighbor's bamboo plants are spreading into your yard.To stop this,what part of the plant must be killed or pruned?

Accepted Answer

A)  Rhizomes 
B)  Tubers 
C)  Corms 
D)  Stolons 
E)  Leaves 
A)  Rhizomes 
B)  Tubers 
C)  Corms 
D)  Stolons 
E)  Leaves

Question 6

If you graft together a long-day rootstock plant and a short-day scion plant,what will induce flowering?

Accepted Answer

A)  Long days,since the rootstock senses day length 
B)  Both long and short days due to the grafting 
C)  Short days,since the scion produces the leaves 
D)  Days and nights of exactly 12 hours each 
E)  Nothing;the plant will be unable to correctly sense day length. 
A)  Long days,since the rootstock senses day length 
B)  Both long and short days due to the grafting 
C)  Short days,since the scion produces the leaves 
D)  Days and nights of exactly 12 hours each 
E)  Nothing;the plant will be unable to correctly sense day length.

Question 7

Flowers can occur singly or in an orderly cluster known as a(n)

Accepted Answer

A)  inflorescence. 
B)  flower cluster. 
C)  head. 
D)  grouping. 
E)  daisy chain. 
A)  inflorescence. 
B)  flower cluster. 
C)  head. 
D)  grouping. 
E)  daisy chain.

Question 8

Which cells do not participate in double fertilization in apples?

Accepted Answer

A)  Tube cells 
B)  Synergids 
C)  Eggs 
D)  Central cells 
E)  Antipodal cells 
A)  Tube cells 
B)  Synergids 
C)  Eggs 
D)  Central cells 
E)  Antipodal cells

Question 9

Which sequence represents the correct evolutionary order of pollination mechanisms,from earliest to latest?

Accepted Answer

A)  Wind-pollinated plant $\rightarrow$  plant not needing liquid water $\rightarrow$  animal-pollinated plant 
B)  Plant not needing liquid water $\rightarrow$ animal-pollinated plant $\rightarrow$  wind-pollinated plant 
C)  Animal-pollinated plant $\rightarrow$  wind-pollinated plant $\rightarrow$  plant not needing liquid water 
D)  Animal-pollinated plant $\rightarrow$  plant not needing liquid water $\rightarrow$  wind-pollinated plant 
E)  Plant not needing liquid water $\rightarrow$ wind-pollinated plant $\rightarrow$  animal-pollinated plant 
A)  Wind-pollinated plant $\rightarrow$  plant not needing liquid water $\rightarrow$  animal-pollinated plant 
B)  Plant not needing liquid water $\rightarrow$ animal-pollinated plant $\rightarrow$  wind-pollinated plant 
C)  Animal-pollinated plant $\rightarrow$  wind-pollinated plant $\rightarrow$  plant not needing liquid water 
D)  Animal-pollinated plant $\rightarrow$  plant not needing liquid water $\rightarrow$  wind-pollinated plant 
E)  Plant not needing liquid water $\rightarrow$ wind-pollinated plant $\rightarrow$  animal-pollinated plant

Question 10

Short-day plants bloom

Accepted Answer

A)  in the spring. 
B)  in the fall. 
C)  in the summer. 
D)  only after the second year of life. 
E)  in the spring or in the fall. 
A)  in the spring. 
B)  in the fall. 
C)  in the summer. 
D)  only after the second year of life. 
E)  in the spring or in the fall.

Question 11

The egg can be fertilized by

Accepted Answer

A)  one tube nucleus. 
B)  one sperm cell. 
C)  two antipodal nuclei. 
D)  one generative nucleus. 
E)  two synergid nuclei. 
A)  one tube nucleus. 
B)  one sperm cell. 
C)  two antipodal nuclei. 
D)  one generative nucleus. 
E)  two synergid nuclei.

Question 12

After pollination,which event is crucial for fertilization?

Accepted Answer

A)  Sperm must swim to the egg and the polar nuclei. 
B)  Petals must close around the reproductive parts. 
C)  Meiosis must occur within the pollen grain. 
D)  A pollen tube must grow from the stigma to the ovule. 
E)  An insect must deliver pollen to the stigma. 
A)  Sperm must swim to the egg and the polar nuclei. 
B)  Petals must close around the reproductive parts. 
C)  Meiosis must occur within the pollen grain. 
D)  A pollen tube must grow from the stigma to the ovule. 
E)  An insect must deliver pollen to the stigma.

Question 13

A scientist has perfected a technique for capturing individual cells during the process of reproduction.What will be captured along with one of the synergids just before fertilization?

Accepted Answer

A)  Sperm cells 
B)  Generative nuclei 
C)  Tube nuclei 
D)  Pollen nuclei 
E)  Microspores 
A)  Sperm cells 
B)  Generative nuclei 
C)  Tube nuclei 
D)  Pollen nuclei 
E)  Microspores

Question 14

Self-pollination results in progeny that

Accepted Answer

A)  are identical to the parent. 
B)  are somewhat different from the parent because mutations are common. 
C)  can express only alleles that were present in the parent. 
D)  may be heterozygous in a locus where the parent is homozygous. 
E)  may be as varied as progeny resulting from cross-pollination. 
A)  are identical to the parent. 
B)  are somewhat different from the parent because mutations are common. 
C)  can express only alleles that were present in the parent. 
D)  may be heterozygous in a locus where the parent is homozygous. 
E)  may be as varied as progeny resulting from cross-pollination.

Question 15

After an apical meristem has been redirected toward developing into a floral meristem,_______ are responsible for further refinement of the floral development pathway.

Accepted Answer

A)  unknown hormones 
B)  light signals 
C)  floral organ identity genes 
D)  other,more mature floral meristems 
E)  All of the above 
A)  unknown hormones 
B)  light signals 
C)  floral organ identity genes 
D)  other,more mature floral meristems 
E)  All of the above

Question 16

A benefit of sexual reproduction in plants is

Accepted Answer

A)  the great number of progeny that result. 
B)  the ease of pollination. 
C)  that it creates genetic diversity. 
D)  that it creates a diploid plant from a haploid plant. 
E)  that it fosters widespread dispersal of progeny. 
A)  the great number of progeny that result. 
B)  the ease of pollination. 
C)  that it creates genetic diversity. 
D)  that it creates a diploid plant from a haploid plant. 
E)  that it fosters widespread dispersal of progeny.

Question 17

The microgametophyte of a flowering plant is

Accepted Answer

A)  a flower. 
B)  an egg. 
C)  a pollen grain. 
D)  an anther. 
E)  the entire plant. 
A)  a flower. 
B)  an egg. 
C)  a pollen grain. 
D)  an anther. 
E)  the entire plant.

Question 18

After pollen is released from the anthers,the next event that takes place is

Accepted Answer

A)  the fusion of the egg and sperm nuclei. 
B)  the transfer of pollen from the anther to the stigma. 
C)  the development of the two-celled pollen grain. 
D)  pollen germination and growth of the pollen tube 
E)  the division of the generative nucleus to produce two sperm nuclei. 
A)  the fusion of the egg and sperm nuclei. 
B)  the transfer of pollen from the anther to the stigma. 
C)  the development of the two-celled pollen grain. 
D)  pollen germination and growth of the pollen tube 
E)  the division of the generative nucleus to produce two sperm nuclei.

Question 19

The advantage of self-pollination in plants is that

Accepted Answer

A)  it results in increased genetic recombination. 
B)  meiosis can occur. 
C)  it increases the chances of successful fertilization. 
D)  no flowering is needed. 
E)  only asexual reproduction is necessary. 
A)  it results in increased genetic recombination. 
B)  meiosis can occur. 
C)  it increases the chances of successful fertilization. 
D)  no flowering is needed. 
E)  only asexual reproduction is necessary.

Question 20

A plant's transition to a flowering state is often marked by a(n)

Accepted Answer

A)  increased rate of photosynthesis. 
B)  decrease in vegetative growth. 
C)  increase in root development. 
D)  decreased rate of respiration. 
E)  increase in lateral bud growth. 
A)  increased rate of photosynthesis. 
B)  decrease in vegetative growth. 
C)  increase in root development. 
D)  decreased rate of respiration. 
E)  increase in lateral bud growth.

Exam 27: Reproduction of Flowering Plants

A clone of white potatoes may be derived from underground

A horticulturalist who wants to induce flowering in a crop of short-day plants should carry out the induction

A new variety of oats that requires vernalization must _______ before it will produce seeds.

Which sequence represents the correct order of events (from earliest to latest)in the reproduction of angiosperms,with regard to pollen and seed?

You have discovered that your neighbor's bamboo plants are spreading into your yard.To stop this,what part of the plant must be killed or pruned?

If you graft together a long-day rootstock plant and a short-day scion plant,what will induce flowering?

Flowers can occur singly or in an orderly cluster known as a(n)

Which cells do not participate in double fertilization in apples?

Which sequence represents the correct evolutionary order of pollination mechanisms,from earliest to latest?

Short-day plants bloom

The egg can be fertilized by

After pollination,which event is crucial for fertilization?

A scientist has perfected a technique for capturing individual cells during the process of reproduction.What will be captured along with one of the synergids just before fertilization?

Self-pollination results in progeny that

After an apical meristem has been redirected toward developing into a floral meristem,_______ are responsible for further refinement of the floral development pathway.

A benefit of sexual reproduction in plants is

The microgametophyte of a flowering plant is

After pollen is released from the anthers,the next event that takes place is

The advantage of self-pollination in plants is that

A plant's transition to a flowering state is often marked by a(n)

Introduction

The Chemistry and Energy of Life

Nucleic Acids, Proteins, and Enzymes

Cells: the Working Units of Life

Cell Membranes and Signaling

Pathways That Harvest and Store Chemical Energy

The Cell Cycle and Cell Division

Inheritance, Genes, and Chromosomes

DNA and Its Role in Heredity

From Dna to Protein: Gene Expression

Regulation of Gene Expression

Genomes

Biotechnology

Genes, Development, and Evolution

Processes of Evolution

Reconstructing and Using Phylogenies

Speciation

The History of Life on Earth

Bacteria, Archaea, and Viruses

The Origin and Diversification of Eukaryotes

The Evolution of Plants

The Evolution and Diversity of Fungi

Animal Origins and Diversity

The Plant Body

Plant Nutrition and Transport

Plant Growth and Development

Plants in the Environment

Fundamentals of Animal Function

Nutrition and Digestion

Breathing

Circulation

Muscle and Movement

Neurons, Sense Organs, and Nervous Systems

Nervous and Endocrine Control

Water and Salts: Excretion

Animal Reproduction

Animal Development

Immunology: Animal Defense Systems

Animal Behavior

The Distribution of Earths Ecological Systems

Populations

Ecological and Evolutionary Consequences of Interactions Within and Among Species

Ecological Communities

The Global Ecosystem

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