Question 1

Which of the following is not one of the three basic embryonic tissue systems of a plant?

Accepted Answer

A) suspensor tissue 
B) protoderm 
C) procambium 
D) ground tissue 
A) suspensor tissue 
B) protoderm 
C) procambium 
D) ground tissue

Question 2

The globular stage of plant embryo development gives rise to

Accepted Answer

A) a heart-shaped embryo stage in dicots. 
B) the suspensor of the germinating seed. 
C) double embryos within monocots. 
D) the scutellum in monocots. 
E) the rhizoid of Fucus. 
A) a heart-shaped embryo stage in dicots. 
B) the suspensor of the germinating seed. 
C) double embryos within monocots. 
D) the scutellum in monocots. 
E) the rhizoid of Fucus.

Question 3

Experiments with the brown alga Fucus helped determine that

Accepted Answer

A) the cytoplasm in the zygote is evenly distributed throughout. 
B) the thallus anchors the alga to the surface on which it lives. 
C) light and gravity do not affect rhizoid orientation. 
D) magnesium gradients allow cell wall formation. 
E) the ability to "remember" where a rhizoid should form depends on the presence of a cell wall. 
A) the cytoplasm in the zygote is evenly distributed throughout. 
B) the thallus anchors the alga to the surface on which it lives. 
C) light and gravity do not affect rhizoid orientation. 
D) magnesium gradients allow cell wall formation. 
E) the ability to "remember" where a rhizoid should form depends on the presence of a cell wall.

Question 4

Which of the following fruits is most likely to be wind-dispersed?

Accepted Answer

A) acorn 
B) dandelion 
C) orange 
D) coconut 
E) spiny burgrass 
A) acorn 
B) dandelion 
C) orange 
D) coconut 
E) spiny burgrass

Question 5

The style connects the _________ to the _____________.

Accepted Answer

A) embryo;nutritional tissue 
B) anther;filament 
C) sepals;receptacle 
D) stigma;ovary 
E) pollen;embryo sac 
A) embryo;nutritional tissue 
B) anther;filament 
C) sepals;receptacle 
D) stigma;ovary 
E) pollen;embryo sac

Question 6

Choose the letter of the best match from the following:
-The stem axis of the embryo below the cotyledons in some seedlings.

Accepted Answer

A) hypocotyl 
B) endosperm 
C) scutellum 
D) radicle 
E) epicotyl 
A) hypocotyl 
B) endosperm 
C) scutellum 
D) radicle 
E) epicotyl

Question 7

Choose the letter of the best match from the following:
-The embryonic root apex.

Accepted Answer

A) hypocotyl 
B) endosperm 
C) scutellum 
D) radicle 
E) epicotyl 
A) hypocotyl 
B) endosperm 
C) scutellum 
D) radicle 
E) epicotyl

Question 8

Samaras are a type of fruit formed by

Accepted Answer

A) apple and pear trees. 
B) lemon and lime trees. 
C) plum and cherry trees. 
D) mulberry trees. 
E) maple and elm trees. 
A) apple and pear trees. 
B) lemon and lime trees. 
C) plum and cherry trees. 
D) mulberry trees. 
E) maple and elm trees.

Question 9

Why do some seeds need to pass through an animal's digestive tract before they will germinate?

Accepted Answer

A) The warm temperatures trigger germination. 
B) The alternating light and dark exposure triggers germination. 
C) The seeds get wet inside the animal. 
D) Digestive enzymes and strong acids make the seed coat permeable to water and oxygen. 
E) The seed travels away from the parent plant before it is excreted by the animal. 
A) The warm temperatures trigger germination. 
B) The alternating light and dark exposure triggers germination. 
C) The seeds get wet inside the animal. 
D) Digestive enzymes and strong acids make the seed coat permeable to water and oxygen. 
E) The seed travels away from the parent plant before it is excreted by the animal.

Question 10

Scratching or chipping the seed coat (scarification)of certain seeds (like alfalfa)may speed up germination of hard coated seeds because it allows

Accepted Answer

A) The mechanical stress activates enzymes. 
B) Water and oxygen can enter the seed to reach the embryo more quickly. 
C) Carbon dioxide can enter the seed and stimulate photosynthesis to start. 
D) Bacteria or fungi can enter the seed and trigger hormones. 
E) Damage to the seed coat releases $\alpha$-amylases into the endosperm. 
A) The mechanical stress activates enzymes. 
B) Water and oxygen can enter the seed to reach the embryo more quickly. 
C) Carbon dioxide can enter the seed and stimulate photosynthesis to start. 
D) Bacteria or fungi can enter the seed and trigger hormones. 
E) Damage to the seed coat releases $\alpha$-amylases into the endosperm.

Question 11

Which of the following statements about cell division and patterning in a plant embryo is not correct?

Accepted Answer

A) The first cell division in flowering plant embryos is asymmetrical. 
B) The two daughter cells that are produced as a result of the first cell division have two separate developmental fates. 
C) Of the two daughter cells after the first division,one is smaller than the other is. 
D) The smallest daughter cell becomes the suspensor. 
E) The suspensor links the other daughter cell to the nutritive tissuE. 
A) The first cell division in flowering plant embryos is asymmetrical. 
B) The two daughter cells that are produced as a result of the first cell division have two separate developmental fates. 
C) Of the two daughter cells after the first division,one is smaller than the other is. 
D) The smallest daughter cell becomes the suspensor. 
E) The suspensor links the other daughter cell to the nutritive tissuE.

Question 12

Why do few plants produce seeds that germinate successfully under water?

Accepted Answer

A) Most seeds float. 
B) Oxygen concentrations are very low. 
C) The seed coats prevent water absorption. 
D) There is no CO2. 
E) Animals cannot find them to disperse them. 
A) Most seeds float. 
B) Oxygen concentrations are very low. 
C) The seed coats prevent water absorption. 
D) There is no CO2. 
E) Animals cannot find them to disperse them.

Question 13

Choose the letter of the best match from the following:
-The part of the stem axis that extends above the cotyledons in some seedlings.

Accepted Answer

A) hypocotyl 
B) endosperm 
C) scutellum 
D) radicle 
E) epicotyl 
A) hypocotyl 
B) endosperm 
C) scutellum 
D) radicle 
E) epicotyl

Question 14

The shoot apical meristem gives rise to all of these except

Accepted Answer

A) leaves. 
B) roots. 
C) floral structures. 
D) stems. 
E) internodes. 
A) leaves. 
B) roots. 
C) floral structures. 
D) stems. 
E) internodes.

Question 15

Seeds cannot germinate until the embryo

Accepted Answer

A) is stimulated by ethylene signals. 
B) absorbs water and oxygen. 
C) forms hesperidia and integuments. 
D) is exposed to fire and water. 
E) gets rid of inhibitory chemicals. 
A) is stimulated by ethylene signals. 
B) absorbs water and oxygen. 
C) forms hesperidia and integuments. 
D) is exposed to fire and water. 
E) gets rid of inhibitory chemicals.

Question 16

The seed leaves that are produced by embryonic cells and are formed from bulges on the embryo are called

Accepted Answer

A) radicles. 
B) embryo sacs. 
C) petioles. 
D) cotyledons. 
E) ovules. 
A) radicles. 
B) embryo sacs. 
C) petioles. 
D) cotyledons. 
E) ovules.

Question 17

When a seed germinates,the embryo emerges from its dormancy.The embryo then begins which generation of the typical plant life cycle?

Accepted Answer

A) sporophyte generation 
B) gametophyte generation 
C) dominant generation 
D) inconspicuous generation 
E) alternation of generation 
A) sporophyte generation 
B) gametophyte generation 
C) dominant generation 
D) inconspicuous generation 
E) alternation of generation

Question 18

At the Farmers' Market,which of these fruits would you select as examples of drupes?

Accepted Answer

A) oranges and lemons 
B) peaches and plums 
C) strawberries and blackberries 
D) blueberries and tomatoes 
E) grapes and peppers 
A) oranges and lemons 
B) peaches and plums 
C) strawberries and blackberries 
D) blueberries and tomatoes 
E) grapes and peppers

Question 19

The portion of a dicot seedling that is below the cotyledons is called the

Accepted Answer

A) cotyledonary internode. 
B) epicotyl. 
C) hypocotyl. 
D) plumule. 
E) subcotyl. 
A) cotyledonary internode. 
B) epicotyl. 
C) hypocotyl. 
D) plumule. 
E) subcotyl.

Question 20

Of the following terms,which one is not associated with the germination of corn,a monocot plant?

Accepted Answer

A) hypocotyl 
B) coleoptile 
C) coleorhiza 
D) scutellum 
E) primary root 
A) hypocotyl 
B) coleoptile 
C) coleorhiza 
D) scutellum 
E) primary root

Exam 37: Vegetative Plant Development

Which of the following is not one of the three basic embryonic tissue systems of a plant?

The globular stage of plant embryo development gives rise to

Experiments with the brown alga Fucus helped determine that

Which of the following fruits is most likely to be wind-dispersed?

The style connects the _________ to the _____________.

Choose the letter of the best match from the following: -The stem axis of the embryo below the cotyledons in some seedlings.

Choose the letter of the best match from the following: -The embryonic root apex.

Samaras are a type of fruit formed by

Why do some seeds need to pass through an animal's digestive tract before they will germinate?

Scratching or chipping the seed coat (scarification)of certain seeds (like alfalfa)may speed up germination of hard coated seeds because it allows

Which of the following statements about cell division and patterning in a plant embryo is not correct?

Why do few plants produce seeds that germinate successfully under water?

Choose the letter of the best match from the following: -The part of the stem axis that extends above the cotyledons in some seedlings.

The shoot apical meristem gives rise to all of these except

Seeds cannot germinate until the embryo

The seed leaves that are produced by embryonic cells and are formed from bulges on the embryo are called

When a seed germinates,the embryo emerges from its dormancy.The embryo then begins which generation of the typical plant life cycle?

At the Farmers' Market,which of these fruits would you select as examples of drupes?

The portion of a dicot seedling that is below the cotyledons is called the

Of the following terms,which one is not associated with the germination of corn,a monocot plant?

The Science of Biology

The Nature of Molecules

The Chemical Building Blocks of Life

Cell Structure

Membranes

Energy and Metabolism

How Cells Harvest Energy

Photosynthesis

Cell Communication

How Cells Divide

Sexual Reproduction and Meiosis

Patterns of Inheritance

Chromosomes Mapping and the Meiosis - Inheritance Connection

Dna: the Genetic Material

Genes and How They Work

Control of Gene Expression

Biotechnology

Genomics

Cellular Mechanisms of Development

Genes Within Populations

The Evidence for Evolution

The Origin of Species

Systematics and the Phylogenetic Revolution

Genome Evolution

Evolution of Development

The Tree of Life

Viruses

Prokaryotes

Protists

Overview of Green Plants

Fungi

Overview of Animal Diversity

Noncoelomate Invertebrates

Coelomate Invertebrates

Vertebrates

Plant Form

Transport in Plants

Plant Nutrition and Soils

Plant Defense Responses

Sensory Systems in Plants

Plant Reproduction

The Animal Body and Principles of Regulation

The Nervous System

Sensory Systems

The Endocrine System

The Musculoskeletal System

The Digestive System

The Respiratory System

The Circulatory System

Osmotic Regulation and the Urinary System

The Immune System

The Reproductive System

Animal Development

Behavioral Biology

Population Ecology

Community of Ecology

Dynamics of Ecosystems

The Biosphere

Conservation Biology

The style connects the _ to the _____.