Question 1

Which of the following are True of most angiosperms?

Accepted Answer

A) a triploid endosperm within the seed 
B) an ovary that becomes a fruit 
C) a small (reduced)sporophyte 
D) A and B only 
E) A, B, and C 
A) a triploid endosperm within the seed 
B) an ovary that becomes a fruit 
C) a small (reduced)sporophyte 
D) A and B only 
E) A, B, and C

Question 2

At the conclusion of meiosis in plants the end products are always four haploid

Accepted Answer

A) spores. 
B) eggs. 
C) sperm. 
D) seeds. 
E) gametes. 
A) spores. 
B) eggs. 
C) sperm. 
D) seeds. 
E) gametes.

Question 3

Fruits develop from

Accepted Answer

A) microsporangia. 
B) receptacles. 
C) fertilized eggs. 
D) ovaries. 
E) ovules. 
A) microsporangia. 
B) receptacles. 
C) fertilized eggs. 
D) ovaries. 
E) ovules.

Question 4

Based on studies of plant evolution, which flower part is not a modified leaf?

Accepted Answer

A) stamen 
B) carpel 
C) petals 
D) sepals 
E) receptacle 
A) stamen 
B) carpel 
C) petals 
D) sepals 
E) receptacle

Question 5

Meiosis occurs within all of the following flower parts except the

Accepted Answer

A) ovule. 
B) style. 
C) megasporangium. 
D) anther. 
E) ovary. 
A) ovule. 
B) style. 
C) megasporangium. 
D) anther. 
E) ovary.

Question 6

All of the following are primary functions of flowers except

Accepted Answer

A) pollen production. 
B) photosynthesis. 
C) meiosis. 
D) egg production. 
E) sexual reproduction. 
A) pollen production. 
B) photosynthesis. 
C) meiosis. 
D) egg production. 
E) sexual reproduction.

Question 7

Which of the following occurs in an angiosperm ovule?

Accepted Answer

A) An antheridium forms from the megasporophyte. 
B) A megaspore mother cell undergoes meiosis. 
C) The egg nucleus is usually diploid. 
D) A pollen tube emerges to accept pollen after pollination. 
E) The endosperm surrounds the megaspore mother cell. 
A) An antheridium forms from the megasporophyte. 
B) A megaspore mother cell undergoes meiosis. 
C) The egg nucleus is usually diploid. 
D) A pollen tube emerges to accept pollen after pollination. 
E) The endosperm surrounds the megaspore mother cell.

Question 8

Which of the following statements is correct about protoplast fusion?

Accepted Answer

A) It is used to develop gene banks to maintain genetic variability. 
B) It is the method of test-tube cloning thousands of copies. 
C) It can be used to form new plant species. 
D) It occurs within a callus. 
E) It requires that the cell wall remain intact during the fusion process. 
A) It is used to develop gene banks to maintain genetic variability. 
B) It is the method of test-tube cloning thousands of copies. 
C) It can be used to form new plant species. 
D) It occurs within a callus. 
E) It requires that the cell wall remain intact during the fusion process.

Question 9

A seed develops from

Accepted Answer

A) an ovum. 
B) a pollen grain. 
C) an ovule. 
D) an ovary. 
E) an embryo. 
A) an ovum. 
B) a pollen grain. 
C) an ovule. 
D) an ovary. 
E) an embryo.

Question 10

A perfect flower is fertile, but may be either complete or incomplete. Which of the following correctly describes a perfect flower?

Accepted Answer

A) It has no sepals. 
B) It has fused carpels. 
C) It is on a dioecious plant. 
D) It has no endosperm. 
E) It has both stamens and carpels. 
A) It has no sepals. 
B) It has fused carpels. 
C) It is on a dioecious plant. 
D) It has no endosperm. 
E) It has both stamens and carpels.

Question 11

As flowers develop, which transition does not occur?

Accepted Answer

A) The microspores become pollen grains. 
B) The ovary becomes a fruit. 
C) The petals are discarded. 
D) The tube nucleus becomes a sperm nucleus. 
E) The ovules become seeds. 
A) The microspores become pollen grains. 
B) The ovary becomes a fruit. 
C) The petals are discarded. 
D) The tube nucleus becomes a sperm nucleus. 
E) The ovules become seeds.

Question 12

Biofuels are mainly produced by

Accepted Answer

A) the breakdown of cell wall biopolymers into sugars that can be fermented. 
B) plants that convert hemicellulose into gasoline. 
C) the genetic engineering of ethanol generating genes into plants. 
D) transgenic crops that have cell walls containing ethylene. 
E) plants that are easy to grow in arid environments. 
A) the breakdown of cell wall biopolymers into sugars that can be fermented. 
B) plants that convert hemicellulose into gasoline. 
C) the genetic engineering of ethanol generating genes into plants. 
D) transgenic crops that have cell walls containing ethylene. 
E) plants that are easy to grow in arid environments.

Question 13

In flowering plants, pollen is released from the

Accepted Answer

A) anther. 
B) stigma. 
C) carpel. 
D) filament. 
E) pollen tube. 
A) anther. 
B) stigma. 
C) carpel. 
D) filament. 
E) pollen tube.

Question 14

Which of the following statements is True of protoplast fusion?

Accepted Answer

A) It occurs when the second sperm nucleus fuses with the polar nuclei in the embryo sac. 
B) It can be used to form new plant varieties by combining genomes from two plants. 
C) It is used to develop gene banks to preserve genetic variability. 
D) It is the method of test-tube cloning that produces whole plants from explants. 
E) It occurs within a callus that is developing in tissue culture. 
A) It occurs when the second sperm nucleus fuses with the polar nuclei in the embryo sac. 
B) It can be used to form new plant varieties by combining genomes from two plants. 
C) It is used to develop gene banks to preserve genetic variability. 
D) It is the method of test-tube cloning that produces whole plants from explants. 
E) It occurs within a callus that is developing in tissue culture.

Question 15

All of the following could be considered advantages of asexual reproduction in plants except

Accepted Answer

A) success in a stable environment. 
B) increased agricultural productivity. 
C) cloning an exceptional plant. 
D) production of artificial seeds. 
E) adaptation to change. 
A) success in a stable environment. 
B) increased agricultural productivity. 
C) cloning an exceptional plant. 
D) production of artificial seeds. 
E) adaptation to change.

Question 16

Garden beans and many other eudicots have a hypocotyls hook during germination. Which of the following is a False statement concerning the hypocotyls and or the hypocotyl hook?

Accepted Answer

A) It is the first structure to emerge from a eudicot seed. 
B) It pulls the cotyledons up through the soil. 
C) It straightens when exposed to light. 
D) It becomes very long in an etiolated seedling. 
E) It is the region just below the cotyledons. 
A) It is the first structure to emerge from a eudicot seed. 
B) It pulls the cotyledons up through the soil. 
C) It straightens when exposed to light. 
D) It becomes very long in an etiolated seedling. 
E) It is the region just below the cotyledons.

Question 17

All of the following are commercial uses of transgenic crops except

Accepted Answer

A) inserting Bt toxin genes into cotton, maize, and potato. 
B) developing plants that tolerate herbicides. 
C) producing plants that resist attack by certain viruses. 
D) developing plants that produce increasing quantities of Vitamin A. 
E) producing plants that contain genes for making human insulin. 
A) inserting Bt toxin genes into cotton, maize, and potato. 
B) developing plants that tolerate herbicides. 
C) producing plants that resist attack by certain viruses. 
D) developing plants that produce increasing quantities of Vitamin A. 
E) producing plants that contain genes for making human insulin.

Question 18

Which of the following would be considered to be a multiple fruit?

Accepted Answer

A) apple 
B) strawberry 
C) raspberry 
D) pineapple 
E) corn on the cob 
A) apple 
B) strawberry 
C) raspberry 
D) pineapple 
E) corn on the cob

Question 19

In angiosperm seed development what does the terminal cell become?

Accepted Answer

A) suspensor 
B) proembryo 
C) cotyledons 
D) endosperm 
E) apical meristem 
A) suspensor 
B) proembryo 
C) cotyledons 
D) endosperm 
E) apical meristem

Question 20

For this pair of items, choose the option that best describes their relationship. (A)The percentage of dandelion plants that produce seeds by apomixis.
(B)The percentage of creosote bushes that produce seeds by apomixis

Accepted Answer

A) Item (
A) is greater than item (
B) . 
B) Item (
A) is less than item (
B) . 
C) Item (
A) is exactly or very approximately equal to item (
B) . 
D) Item (
A) may stand in more than one of the above relations to item (
B) . 
A) Item (
A) is greater than item (
B) . 
B) Item (
A) is less than item (
B) . 
C) Item (
A) is exactly or very approximately equal to item (
B) . 
D) Item (
A) may stand in more than one of the above relations to item (
B) .

Exam 38: Angiosperm Reproduction and Biotechnology

Which of the following are True of most angiosperms?

At the conclusion of meiosis in plants the end products are always four haploid

Fruits develop from

Based on studies of plant evolution, which flower part is not a modified leaf?

Meiosis occurs within all of the following flower parts except the

All of the following are primary functions of flowers except

Which of the following occurs in an angiosperm ovule?

Which of the following statements is correct about protoplast fusion?

A seed develops from

A perfect flower is fertile, but may be either complete or incomplete. Which of the following correctly describes a perfect flower?

As flowers develop, which transition does not occur?

Biofuels are mainly produced by

In flowering plants, pollen is released from the

Which of the following statements is True of protoplast fusion?

All of the following could be considered advantages of asexual reproduction in plants except

Garden beans and many other eudicots have a hypocotyls hook during germination. Which of the following is a False statement concerning the hypocotyls and or the hypocotyl hook?

All of the following are commercial uses of transgenic crops except

Which of the following would be considered to be a multiple fruit?

In angiosperm seed development what does the terminal cell become?

For this pair of items, choose the option that best describes their relationship. (A)The percentage of dandelion plants that produce seeds by apomixis. (B)The percentage of creosote bushes that produce seeds by apomixis

Introduction: Themes in the Study of Life

The Chemical Context of Life

Water and the Fitness of the Environment

Carbon and the Molecular Diversity of Life

The Structure and Function of Large Biological Molecules

A Tour of the Cell

Membrane Structure and Function

An Introduction to Metabolism

Cellular Respiration: Harvesting Chemical Energy

Photosynthesis

Cell Communication

The Cell Cycle

Meiosis and Sexual Life Cycles

Mendel and the Gene Idea

The Chromosomal Basis of Inheritance

The Molecular Basis of Inheritance

From Gene to Protein

Control of Gene Expression

Viruses

Biotechnology

Genomes and Their Evolution

Descent With Modification: a Darwinian View of Life

The Evolution of Populations

The Origin of Species

The History of Life on Earth

Phylogeny and the Tree of Life

Bacteria and Archaea

Protists

Plant Diversity I: How Plants Colonized Land

Plant Diversity Ii: the Evolution of Seed Plants

Fungi

An Introduction to Animal Diversity

Invertebrates

Vertebrates

Plant Structure, Growth, and Development

Transport in Vascular Plants

Soil and Plant Nutrition

Plant Responses to Internal and External Signals

Basic Principles of Animal Form and Function

Animal Nutrition

Circulation and Gas Exchange

The Immune System

Osmoregulation and Excretion

Hormones and the Endocrine System

Animal Reproduction

Animal Development

Neurons, Synapses, and Signaling

Nervous Systems

Sensory and Motor Mechanisms

Animal Behavior

An Introduction to Ecology and the Biosphere

Population Ecology

Community Ecology

Ecosystems

Conservation Biology and Restoration Ecology

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