Question 1

What makes up the female reproductive whorl of a flower?

Accepted Answer

A) the carpels 
B) the receptacles 
C) the stamens 
D) the petals 
A) the carpels 
B) the receptacles 
C) the stamens 
D) the petals A

Question 2

Where is an anther typically found in a flower?

Accepted Answer

A) at the tip of a filament 
B) at the tip of a carpel 
C) at the tip of an ovule 
D) at the tip of a calyx 
A) at the tip of a filament 
B) at the tip of a carpel 
C) at the tip of an ovule 
D) at the tip of a calyx A

Question 3

Which parts of a flower are typically the most leaflike?

Accepted Answer

A) the receptacles 
B) the carpels 
C) the sepals 
D) the petals 
A) the receptacles 
B) the carpels 
C) the sepals 
D) the petals C

Question 4

In flowering plants, how many egg cells are typically produced from each megaspore mother cell?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 5

Which phrase describes the events that occur in the production of a pollen grain from a microspore mother cell?

Accepted Answer

A) Only meiosis occurs. 
B) First mitosis occurs, and then meiosis, followed by mitosis. 
C) First meiosis occurs, and then mitosis. 
D) First mitosis occurs, and then meiosis. 
A) Only meiosis occurs. 
B) First mitosis occurs, and then meiosis, followed by mitosis. 
C) First meiosis occurs, and then mitosis. 
D) First mitosis occurs, and then meiosis.

Question 6

Which parts of a flower are most likely to have distinctive colours, patterning, and shapes for attracting pollinators?

Accepted Answer

A) the petals 
B) the receptacles 
C) the sepals 
D) the stamens 
A) the petals 
B) the receptacles 
C) the sepals 
D) the stamens

Question 7

For a typical flowering plant, how is the first cell of the triploid (3n) endosperm formed from?

Accepted Answer

A) from one sperm fused with two antipodal cells 
B) from two sperm fused with a synergid 
C) from one sperm fused with the central cell 
D) from two sperm fused with the egg 
A) from one sperm fused with two antipodal cells 
B) from two sperm fused with a synergid 
C) from one sperm fused with the central cell 
D) from two sperm fused with the egg

Question 8

Which theory about the cause of colony collapse disorder has no evidence?

Accepted Answer

A) that pathogens are the cause 
B) that interference from cellphone towers is the cause 
C) that pests are the cause 
D) that drought is the cause 
A) that pathogens are the cause 
B) that interference from cellphone towers is the cause 
C) that pests are the cause 
D) that drought is the cause

Question 9

-In the figure, what is item number 3?

Accepted Answer

A) a filament 
B) a stigma 
C) an anther 
D) a receptacle 
A) a filament 
B) a stigma 
C) an anther 
D) a receptacle

Question 10

Along with the egg, what would you expect to find in the part of an embryo sac next to the micropyle?

Accepted Answer

A) the seed 
B) the central cell 
C) the synergids 
D) the antipodal cells 
A) the seed 
B) the central cell 
C) the synergids 
D) the antipodal cells

Question 11

Match each flower part with its description.
-sepals

Accepted Answer

A) parts that enclose and protect all other flower parts before the flower opens 
B) male reproductive parts 
C) female reproductive parts 
D) often showy parts that function in attracting bees or other animal pollinators 
A) parts that enclose and protect all other flower parts before the flower opens 
B) male reproductive parts 
C) female reproductive parts 
D) often showy parts that function in attracting bees or other animal pollinators

Question 12

Which are the male gametophytes in flowering plants?

Accepted Answer

A) sperm 
B) anthers 
C) pollen grains 
D) stamens 
A) sperm 
B) anthers 
C) pollen grains 
D) stamens

Question 13

In flowering plants, how many sperm cells are typically produced from each microspore mother cell?

Accepted Answer

A) 1 
B) 2 
C) 4 
D) 8 
A) 1 
B) 2 
C) 4 
D) 8

Question 14

-In the figure, what is item number 6?

Accepted Answer

A) a petal 
B) a sepal 
C) a receptacle 
D) a style 
A) a petal 
B) a sepal 
C) a receptacle 
D) a style

Question 15

Which term refers to growing useful mutants that develop from callus culture?

Accepted Answer

A) grafting 
B) protoplast fusion 
C) fragmentation 
D) somatic embryogenesis 
A) grafting 
B) protoplast fusion 
C) fragmentation 
D) somatic embryogenesis

Question 16

What does the fruit wall, or pericarp, develop from?

Accepted Answer

A) the ovary wall 
B) the endosperm 
C) the petals 
D) the receptacle 
A) the ovary wall 
B) the endosperm 
C) the petals 
D) the receptacle

Question 17

Some fully differentiated plant cells are totipotent. What does this mean?

Accepted Answer

A) They will grow roots if they touch the ground. 
B) They have the potential to form a whole, fully functional plant. 
C) They can fertilize an egg. 
D) They can undergo meiosis. 
A) They will grow roots if they touch the ground. 
B) They have the potential to form a whole, fully functional plant. 
C) They can fertilize an egg. 
D) They can undergo meiosis.

Question 18

What occurs after a pollen tube penetrates an ovule?

Accepted Answer

A) Other pollen tubes are attracted to that ovule. 
B) That pollen tube continues on to another ovule. 
C) Other pollen tubes are prevented from gaining access to that ovule. 
D) Other pollen tubes can penetrate that ovule more easily. 
A) Other pollen tubes are attracted to that ovule. 
B) That pollen tube continues on to another ovule. 
C) Other pollen tubes are prevented from gaining access to that ovule. 
D) Other pollen tubes can penetrate that ovule more easily.

Question 19

Which sentence best describes the relationship between gametophyte and sporophyte in flowering plants?

Accepted Answer

A) The gametophytes are smaller than the sporophytes, and are retained inside sporophyte for all or part of their lives. 
B) The gametophytes are smaller than the sporophytes, and do not nourish themselves. 
C) The gametophytes and sporophytes are roughly equal in size, and both nourish themselves. 
D) The gametophytes are usually larger than the sporophytes, but both gametophytes and sporophytes nourish themselves. 
A) The gametophytes are smaller than the sporophytes, and are retained inside sporophyte for all or part of their lives. 
B) The gametophytes are smaller than the sporophytes, and do not nourish themselves. 
C) The gametophytes and sporophytes are roughly equal in size, and both nourish themselves. 
D) The gametophytes are usually larger than the sporophytes, but both gametophytes and sporophytes nourish themselves.

Question 20

Describe several ways that fruits can aid seed dispersal.

Accepted Answer

Fruits may aid seed dispersal in many wa

Exam 36: Reproduction and Development in Flowering Plants

What makes up the female reproductive whorl of a flower?

Where is an anther typically found in a flower?

Which parts of a flower are typically the most leaflike?

In flowering plants, how many egg cells are typically produced from each megaspore mother cell?

Which phrase describes the events that occur in the production of a pollen grain from a microspore mother cell?

Which parts of a flower are most likely to have distinctive colours, patterning, and shapes for attracting pollinators?

For a typical flowering plant, how is the first cell of the triploid (3n) endosperm formed from?

Which theory about the cause of colony collapse disorder has no evidence?

-In the figure, what is item number 3?

Along with the egg, what would you expect to find in the part of an embryo sac next to the micropyle?

Match each flower part with its description. -sepals

Which are the male gametophytes in flowering plants?

In flowering plants, how many sperm cells are typically produced from each microspore mother cell?

-In the figure, what is item number 6?

Which term refers to growing useful mutants that develop from callus culture?

What does the fruit wall, or pericarp, develop from?

Some fully differentiated plant cells are totipotent. What does this mean?

What occurs after a pollen tube penetrates an ovule?

Which sentence best describes the relationship between gametophyte and sporophyte in flowering plants?

Describe several ways that fruits can aid seed dispersal.

Light and Life

The Cell: an Overview

Defining Life and Its Origins

Energy and Enzymes

Cell Membranes and Signalling

Cellular Respiration

Photosynthesis

Cell Cycles

Genetic Recombination

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

Dna Structure, Replication, and Organization

Gene Structure and Expression

Control of Gene Expression

Dna Technologies

Genomes and Proteomes

Evolution: the Development of the Theory

Microevolution: Changes Within Populations

Species and Macroevolution

Understanding the History of Life on Earth

Humans and Evolution

Bacteria and Archaea

Viruses, Viroids, and Prions: Infectious Biological Particles

Protists

Fungi

Plants

Diversity of Animals 1: Sponges, Radiata, Platyhelminthes, and Protostomes

Diversity of Animals 2: Deuterostomes: Vertebrates and Their Closest Relatives

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Conservation of Biodiversity

Putting Selection to Work

Organization of the Plant Body

Transport in Plants

Plant Nutrition

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Transport in Animals: the Circulatory System

Reproduction in Animals

Animal Development

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Integration

Muscles, Skeletons, and Body Movements

Animal Behaviour

Animal Nutrition

Gas Exchange: the Respiratory System

Regulating the Internal Environment

Defences Against Disease

Conservation and Evolutionary Physiology

Filters