Question 1

Dioecious plants have:

Accepted Answer

A) perfect flowers 
B) both male and female flowers 
C) male or female flowers 
D) only asexual reproduction 
A) perfect flowers 
B) both male and female flowers 
C) male or female flowers 
D) only asexual reproduction C

Question 2

How do the flowers of wind-pollinated plants differ from those of insect-pollinated plants?

Accepted Answer

Wind-pollinated plants do not need to attract or reward an insect pollinator,and are thus not large,colorful,or fragrant.Petals are reduced in size,and pollen is especially abundant since it must be carried by the wind to reach its destination.

Question 3

In angiosperms,an unusual reproductive process involving two sperm cells occurs,called:

Accepted Answer

A) self-pollination 
B) double fertilization 
C) pollen tube formation 
D) germination 
A) self-pollination 
B) double fertilization 
C) pollen tube formation 
D) germination B

Question 4

The female gametophyte,or megagametophyte,is the ________________ which develops from a megaspore.

Accepted Answer

The answer of The female gametophyte,or megagametophyte,is the ________________ which...

Question 5

Your brother asks you to bring him a pomes.Which of the following would you give him?

Accepted Answer

A) Pear 
B) Grape 
C) Tomato 
D) Pepper 
E) Olive 
A) Pear 
B) Grape 
C) Tomato 
D) Pepper 
E) Olive

Question 6

Some plants reproduce asexually through horizontal stems called:

Accepted Answer

A) suckers 
B) runners 
C) rhizomes 
D) both runners and rhizomes 
A) suckers 
B) runners 
C) rhizomes 
D) both runners and rhizomes

Question 7

Germination of the embryo within the seed does not take place until:

Accepted Answer

A) any amount of sunlight strikes the seed 
B) daylength is appropriate for the plant 
C) water and oxygen reach the embryo 
D) the seed has passed through the gut of an animal 
A) any amount of sunlight strikes the seed 
B) daylength is appropriate for the plant 
C) water and oxygen reach the embryo 
D) the seed has passed through the gut of an animal

Question 8

In short day plants,the Pfr form of phytochrome suppresses ____________.

Accepted Answer

Question 9

The __________ and ___________ give rise to all of the other cells of the adult plant.

Accepted Answer

A) phloem;xylem 
B) shoot apical meristem;root apical meristem 
C) vascular cambium;cork cambium 
D) pericycle;bud primordia 
E) bud primordial;leaf primordia 
A) phloem;xylem 
B) shoot apical meristem;root apical meristem 
C) vascular cambium;cork cambium 
D) pericycle;bud primordia 
E) bud primordial;leaf primordia

Question 10

The house plant Kalanchoe daigremontiana produces ____________ to reproduce asexually.

Accepted Answer

A) runners 
B) adventitious plantlets 
C) suckers 
D) rhizomes 
A) runners 
B) adventitious plantlets 
C) suckers 
D) rhizomes

Question 11

When plants reproduce asexually,the offspring are called:

Accepted Answer

A) embryos 
B) seeds 
C) clones 
D) carpels 
A) embryos 
B) seeds 
C) clones 
D) carpels

Question 12

Flowering plants respond to day and night length in part through the pigment ________________,which occurs in two forms.

Accepted Answer

The answer of Flowering plants respond to day and night...

Question 13

Describe how the length of a long night allows for flowering in short day plants.

Accepted Answer

P_fr suppresses flowering in shor

Question 14

When a plant blocks fertilization after recognizing pollen as genetically related,this is called:

Accepted Answer

A) self-incompatibility 
B) self-fertilization 
C) outcrossing 
D) self-pollination 
A) self-incompatibility 
B) self-fertilization 
C) outcrossing 
D) self-pollination

Question 15

The entire series of events that occur between fertilization and maturity are called development.

Accepted Answer

A) True 
 B)False

Question 16

This is the primary growth-promoting hormone of plants.

Accepted Answer

A) Abscisic acid 
B) Cytokinin 
C) Auxin 
D) Gibberellin 
A) Abscisic acid 
B) Cytokinin 
C) Auxin 
D) Gibberellin

Question 17

All of the following fruits are classified as drupes except:

Accepted Answer

A) olives 
B) pears 
C) plums 
D) cherries 
A) olives 
B) pears 
C) plums 
D) cherries

Question 18

Early in the development of an angiosperm embryo,the embryo becomes dormant.This dormancy occurs:

Accepted Answer

A) after the seed coat is fully formed. 
B) once the root and shoot have penetrated the seed coat. 
C) after apical meristems and the cotyledons are differentiated. 
D) after the seed coat is fully formed and after apical meristems and the cotyledons are differentiateD. 
E) All of these are correct. 
A) after the seed coat is fully formed. 
B) once the root and shoot have penetrated the seed coat. 
C) after apical meristems and the cotyledons are differentiated. 
D) after the seed coat is fully formed and after apical meristems and the cotyledons are differentiateD. 
E) All of these are correct.

Question 19

The plant response in which stems grow upward and roots grow downward is called:

Accepted Answer

A) phototropism 
B) gravitropism 
C) thigmotropism 
D) photoperiodism 
A) phototropism 
B) gravitropism 
C) thigmotropism 
D) photoperiodism

Question 20

In plants,hormones are produced in endocrine glands.

Accepted Answer

A) True 
 B)False

Exam 34: Plant Reproduction and Growth

Dioecious plants have:

How do the flowers of wind-pollinated plants differ from those of insect-pollinated plants?

In angiosperms,an unusual reproductive process involving two sperm cells occurs,called:

The female gametophyte,or megagametophyte,is the ________________ which develops from a megaspore.

Your brother asks you to bring him a pomes.Which of the following would you give him?

Some plants reproduce asexually through horizontal stems called:

Germination of the embryo within the seed does not take place until:

In short day plants,the Pfr form of phytochrome suppresses ____________.

The __________ and ___________ give rise to all of the other cells of the adult plant.

The house plant Kalanchoe daigremontiana produces ____________ to reproduce asexually.

When plants reproduce asexually,the offspring are called:

Flowering plants respond to day and night length in part through the pigment ________________,which occurs in two forms.

Describe how the length of a long night allows for flowering in short day plants.

When a plant blocks fertilization after recognizing pollen as genetically related,this is called:

The entire series of events that occur between fertilization and maturity are called development.

This is the primary growth-promoting hormone of plants.

All of the following fruits are classified as drupes except:

Early in the development of an angiosperm embryo,the embryo becomes dormant.This dormancy occurs:

The plant response in which stems grow upward and roots grow downward is called:

In plants,hormones are produced in endocrine glands.

The Science of Biology

The Chemistry of Life

Molecules of Life

Cells

Energy and Life

Photosynthesis: Acquiring Energy From the Sun

How Cells Harvest Energy From Food

Mitosis

Meiosis

Foundations of Genetics

DNA: the Genetic Material

How Genes Work

Genomics and Biotechnology

Evolution and Natural Selection

How We Name Living Things

Prokaryotes: the First Single-Celled Creatures

Protists: Advent of the Eukaryotes

Fungi Invade the Land

Evolution of the Animal Phyla

History of the Vertebrates

How Humans Evolved

The Animal Body and How It Moves

Circulation

Respiration

The Path of Food Through the Animal Body

Maintaining the Internal Environment

How the Animal Body Defends Itself

The Nervous System

The Senses

Chemical Signaling Within the Animal Body

Reproduction and Development

Evolution of Plants

Plant Form and Function

Populations and Communities

Ecosystems

Behavior and the Environment

Human Influences on the Living World

Filters

In short day plants,the P_fr form of phytochrome suppresses ____________.

The and _ give rise to all of the other cells of the adult plant.