Question 1

All of the following statements about cell suspension cultures are true EXCEPT

Accepted Answer

A) digitalis,digitoxin,and quinine are produced by cell suspension culture. 
B) large numbers of plants are grown and collected from the natural environment to produce chemicals in the laboratory. 
C) chemicals are produced and extracted in high concentrations,sometimes from genetically modified cells. 
D) cell suspension cultures produce the same chemicals the entire plant produces. 
A) digitalis,digitoxin,and quinine are produced by cell suspension culture. 
B) large numbers of plants are grown and collected from the natural environment to produce chemicals in the laboratory. 
C) chemicals are produced and extracted in high concentrations,sometimes from genetically modified cells. 
D) cell suspension cultures produce the same chemicals the entire plant produces. B

Question 2

Angiosperms have two separate gametophytes because

Accepted Answer

A) this is normal for alternation of generations. 
B) one can survive and fertilize without the need for external water. 
C) the microgametophyte is haploid and the megagametophyte is diploid. 
D) these two structures allow fertilization without the need for external water. 
E) this is normal for all sexually reproducing plants,where sperm are produced by microgametophytes and eggs by megagametophytes. 
A) this is normal for alternation of generations. 
B) one can survive and fertilize without the need for external water. 
C) the microgametophyte is haploid and the megagametophyte is diploid. 
D) these two structures allow fertilization without the need for external water. 
E) this is normal for all sexually reproducing plants,where sperm are produced by microgametophytes and eggs by megagametophytes. E

Question 3

A megasporocyte is found in the

Accepted Answer

A) anther. 
B) stigma. 
C) ovule. 
D) filament. 
E) style. 
A) anther. 
B) stigma. 
C) ovule. 
D) filament. 
E) style. C

Question 4

Which of the following mechanisms is NOT as likely to disperse seeds at a great distance from the parent plant?

Accepted Answer

A) Coconuts are carried by ocean currents. 
B) Squirrels bury seeds and nuts for future use. 
C) Seeds are dispersed as projectiles from the parent plant. 
D) Hooks and spines attach the seed to animal fur or human clothing. 
E) Seeds eaten with fruit by animals are dropped with the animals' feces. 
A) Coconuts are carried by ocean currents. 
B) Squirrels bury seeds and nuts for future use. 
C) Seeds are dispersed as projectiles from the parent plant. 
D) Hooks and spines attach the seed to animal fur or human clothing. 
E) Seeds eaten with fruit by animals are dropped with the animals' feces.

Question 5

Which of the following stages occurs immediately after the development of the zygote?

Accepted Answer

A) The development of the proembryo. 
B) The development of globular stage. 
C) The torpedo stage embryo forms. 
D) The heart stage when the cotyledon develops. 
A) The development of the proembryo. 
B) The development of globular stage. 
C) The torpedo stage embryo forms. 
D) The heart stage when the cotyledon develops.

Question 6

Bee pollinated flowers

Accepted Answer

A) are red. 
B) are predominately blue or yellow. 
C) have little odor. 
D) All of the choices apply. 
A) are red. 
B) are predominately blue or yellow. 
C) have little odor. 
D) All of the choices apply.

Question 7

Which of the following statements is NOT true about the germinated pollen grain?

Accepted Answer

A) The generative cell produces two sperm. 
B) The pollen tube forms in the style. 
C) The tube cell produces the pollen tube. 
D) There are two sperm nuclei that move down the pollen tube to the micropyle. 
E) Fertilization occurs when the pollen grain germinates. 
A) The generative cell produces two sperm. 
B) The pollen tube forms in the style. 
C) The tube cell produces the pollen tube. 
D) There are two sperm nuclei that move down the pollen tube to the micropyle. 
E) Fertilization occurs when the pollen grain germinates.

Question 8

Which of the following statements is NOT true about the life cycle of flowering plants?

Accepted Answer

A) The sporophyte is diploid. 
B) The sporophyte produces heterospores. 
C) The female gametophyte is the seed. 
D) The male gametophyte is the pollen grain. 
E) The female gametophyte is retained within the body of the sporophyte parent generation. 
A) The sporophyte is diploid. 
B) The sporophyte produces heterospores. 
C) The female gametophyte is the seed. 
D) The male gametophyte is the pollen grain. 
E) The female gametophyte is retained within the body of the sporophyte parent generation.

Question 9

The function of endosperm is to

Accepted Answer

A) form the seedling. 
B) develop into the fruit. 
C) provide water to the embryo. 
D) provide nutrients to the embryo. 
E) provide a protective coating for the embryo. 
A) form the seedling. 
B) develop into the fruit. 
C) provide water to the embryo. 
D) provide nutrients to the embryo. 
E) provide a protective coating for the embryo.

Question 10

During which stage of eudicot development does the embryo continue to enlarge and elongate and take on a torpedo shape?

Accepted Answer

A) Stage 1 
B) Stage 2 
C) Stage 3 
D) Stage 4 
E) Stage 5 
A) Stage 1 
B) Stage 2 
C) Stage 3 
D) Stage 4 
E) Stage 5

Question 11

Which component of the flowering plant is considered the female portion of the plant?

Accepted Answer

A) Carpel 
B) Stamen 
C) Style 
D) Corolla 
A) Carpel 
B) Stamen 
C) Style 
D) Corolla

Question 12

Plants that reproduce asexually by growth of a new plant from stems or roots show vegetative propagation.

Accepted Answer

A) True 
 B)False

Question 13

The transfer of pollen from an anther to the stigma of a carpel is

Accepted Answer

A) germination. 
B) pollination. 
C) fertilization. 
D) coevolution. 
A) germination. 
B) pollination. 
C) fertilization. 
D) coevolution.

Question 14

Ovules are contained within the

Accepted Answer

A) ovary. 
B) stigma. 
C) anther. 
D) filament. 
E) style. 
A) ovary. 
B) stigma. 
C) anther. 
D) filament. 
E) style.

Question 15

Which of the flowering plant structures is used to attract a specific type of pollinator?

Accepted Answer

A) petals 
B) stamens 
C) sepals 
D) carpel 
A) petals 
B) stamens 
C) sepals 
D) carpel

Question 16

The anther and filament are parts of the

Accepted Answer

A) pistil. 
B) sepal. 
C) receptacle. 
D) petal. 
E) stamen. 
A) pistil. 
B) sepal. 
C) receptacle. 
D) petal. 
E) stamen.

Question 17

All of the following statements are true about seed germination EXCEPT

Accepted Answer

A) all seeds require a period of dormancy before germinating. 
B) in the temperate region,seeds often require a period of cold weather before dormancy is broken. 
C) fleshy fruits contain inhibitors of germination. 
D) some seeds require fire or bacterial action before germination can occur. 
A) all seeds require a period of dormancy before germinating. 
B) in the temperate region,seeds often require a period of cold weather before dormancy is broken. 
C) fleshy fruits contain inhibitors of germination. 
D) some seeds require fire or bacterial action before germination can occur.

Question 18

As the embryo matures,

Accepted Answer

A) the suspensor transfers nutrients from the endosperm to the embryo. 
B) the embryonic cells near the suspensor become the shoot. 
C) the innermost cells become the protective,dermal tissue. 
D) it becomes a ball of cells and assumes a torpedo shape. 
A) the suspensor transfers nutrients from the endosperm to the embryo. 
B) the embryonic cells near the suspensor become the shoot. 
C) the innermost cells become the protective,dermal tissue. 
D) it becomes a ball of cells and assumes a torpedo shape.

Question 19

Which of the following events is not associated with the development of the female gametophyte?

Accepted Answer

A) A single parenchyma cell will enlarge to become a megaspore mother cell. 
B) The megaspore undergoes meiosis producing four haploid megaspores. 
C) The nucleus of the megaspore divides mitotically to produce eight nuclei. 
D) The female gametophyte will contain three antipodal cells. 
E) All of these are associated with the development of the female gametophyte. 
A) A single parenchyma cell will enlarge to become a megaspore mother cell. 
B) The megaspore undergoes meiosis producing four haploid megaspores. 
C) The nucleus of the megaspore divides mitotically to produce eight nuclei. 
D) The female gametophyte will contain three antipodal cells. 
E) All of these are associated with the development of the female gametophyte.

Question 20

Which of the following floral structures are present during the diploid stage of a flowering plants life cycle?

Accepted Answer

A) Anther 
B) Ovule 
C) Sporophyte 
D) Pollen grain 
E) Everything but for the pollen grain. 
A) Anther 
B) Ovule 
C) Sporophyte 
D) Pollen grain 
E) Everything but for the pollen grain.

Exam 27: Flowering Plants: Reproduction

All of the following statements about cell suspension cultures are true EXCEPT

Angiosperms have two separate gametophytes because

A megasporocyte is found in the

Which of the following mechanisms is NOT as likely to disperse seeds at a great distance from the parent plant?

Which of the following stages occurs immediately after the development of the zygote?

Bee pollinated flowers

Which of the following statements is NOT true about the germinated pollen grain?

Which of the following statements is NOT true about the life cycle of flowering plants?

The function of endosperm is to

During which stage of eudicot development does the embryo continue to enlarge and elongate and take on a torpedo shape?

Which component of the flowering plant is considered the female portion of the plant?

Plants that reproduce asexually by growth of a new plant from stems or roots show vegetative propagation.

The transfer of pollen from an anther to the stigma of a carpel is

Ovules are contained within the

Which of the flowering plant structures is used to attract a specific type of pollinator?

The anther and filament are parts of the

All of the following statements are true about seed germination EXCEPT

As the embryo matures,

Which of the following events is not associated with the development of the female gametophyte?

Which of the following floral structures are present during the diploid stage of a flowering plants life cycle?

A View of Life

Basic Chemistry

The Chemistry of Organic Molecules

Cell Structure and Function

Membrane Structure and Function

Metabolism: Energy and Enzymes

Photosynthesis

Cellular Respiration

The Cell Cycle and Cellular Reproduction

Meiosis and Sexual Reproduction

Mendelian Patterns of Inheritance

Molecular Biology of the Gene

Regulation of Gene Expression

Biotechnology and Genomics

Darwin and Evolution

How Populations Evolve

Speciation and Macroevolution

Origin and History of Life

Taxonomy,systematics,and Phylogeny

Viruses,bacteria,and Archaea

Protist Evolution and Diversity

Fungi Evolution and Diversity

Plant Evolution and Diversity

Flowering Plants: Structure and Organization

Flowering Plants: Nutrition and Transport

Flowering Plants: Control of Growth Responses

Invertebrate Evolution

Vertebrate Evolution

Human Evolution

Animal Organization and Homeostasis

Circulation and Cardiovascular Systems

The Lymphatic and Immune Systems

Digestive Systems and Nutrition

Respiratory Systems

Body Fluid Regulation and Excretory Systems

Neurons and Nervous Systems

Sense Organs

Locomotion and Support Systems

Hormones and Endocrine Systems

Reproductive Systems

Animal Development

Behavioral Ecology

Population Ecology

Community and Ecosystem Ecology

Major Ecosystems of the Biosphere

Conservation of Biodiversity

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