Question 1

The function of antipodals in an embryosac is

Accepted Answer

A) to attract and guide the pollen tube to the embryosac. 
B) double fertilization. 
C) unknown. 
D) both A and B. 
A) to attract and guide the pollen tube to the embryosac. 
B) double fertilization. 
C) unknown. 
D) both A and B.

Question 2

"Golden rice"

Accepted Answer

A) is resistant to various herbicides,making it practical to weed rice fields with those herbicides. 
B) is resistant to a virus that commonly attacks rice fields. 
C) includes bacterial genes that produce a toxin that reduces damage from insect pests. 
D) has a modified genome that includes transgenes that lead to increased vitamin A content. 
A) is resistant to various herbicides,making it practical to weed rice fields with those herbicides. 
B) is resistant to a virus that commonly attacks rice fields. 
C) includes bacterial genes that produce a toxin that reduces damage from insect pests. 
D) has a modified genome that includes transgenes that lead to increased vitamin A content.

Question 3

The following questions refer to the diagram of an embryo sac of an angiosperm shown in Figure 30.1.
   Figure 30.1
-Based on Figure 30.1,which cell(s),after fertilization,give(s)rise to the embryo plant?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
A) A 
B) B 
C) C 
D) D

Question 4

Several million people around the world experience malnutrition or hunger due to lack of nutritious food.Which tool would be most effective in helping alleviate human malnutrition and hunger?

Accepted Answer

A) cloning 
B) crop breeding 
C) tissue culture 
D) self-pollination 
E) vegetative reproduction 
A) cloning 
B) crop breeding 
C) tissue culture 
D) self-pollination 
E) vegetative reproduction

Question 5

The introduction of genes using biotechnological techniques (genetic engineering)from the bacterium Bacillus thuringiensis in corn and cotton crops

Accepted Answer

A) reduces the use of chemical insecticides. 
B) decreases the crop yield by reducing the pests. 
C) makes them resistant to extreme weather conditions. 
D) makes them susceptible to extreme weather conditions. 
A) reduces the use of chemical insecticides. 
B) decreases the crop yield by reducing the pests. 
C) makes them resistant to extreme weather conditions. 
D) makes them susceptible to extreme weather conditions.

Question 6

You are studying a plant from the Amazon rain forest that shows strong self-incompatibility.To characterize this reproductive mechanism,you would look for

Accepted Answer

A) ribonuclease (RNAase)activity in stigma cells. 
B) RNA in the plants. 
C) pollen grains with very thick walls. 
D) carpels that cannot produce eggs by meiosis. 
E) systems of wind,but not insect,pollination. 
A) ribonuclease (RNAase)activity in stigma cells. 
B) RNA in the plants. 
C) pollen grains with very thick walls. 
D) carpels that cannot produce eggs by meiosis. 
E) systems of wind,but not insect,pollination.

Question 7

The imbibition in seeds takes place during seed germination because of

Accepted Answer

A) the uptake of water due to the high water potential of the dry seed. 
B) the loss of water due to the low water potential of the dry seed. 
C) the uptake of water due to the low water potential of the dry seed. 
D) the loss of water due to the high water potential of the seed. 
A) the uptake of water due to the high water potential of the dry seed. 
B) the loss of water due to the low water potential of the dry seed. 
C) the uptake of water due to the low water potential of the dry seed. 
D) the loss of water due to the high water potential of the seed.

Question 8

Which of the following is a true statement about clonal reproduction in plants?

Accepted Answer

A) Clones of plants do not occur naturally. 
B) Cloning,although achieved in animals,has not been demonstrated in plants. 
C) Making cuttings of ornamental plants is a form of fragmentation. 
D) Reproduction of plants by cloning may be either sexual or asexual. 
A) Clones of plants do not occur naturally. 
B) Cloning,although achieved in animals,has not been demonstrated in plants. 
C) Making cuttings of ornamental plants is a form of fragmentation. 
D) Reproduction of plants by cloning may be either sexual or asexual.

Question 9

The most abundant organic compounds on planet Earth that are essential and a great resource to produce biofuels are

Accepted Answer

A) cellulose. 
B) lignin. 
C) protein. 
D) lipid. 
A) cellulose. 
B) lignin. 
C) protein. 
D) lipid.

Question 10

The ovary is most often located on/in the

Accepted Answer

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

Question 11

Recent research has shown that fertilization requires that carpels recognize pollen grains as "self" or "non-self." For self-incompatibility,the system requires

Accepted Answer

A) the rejection of non-self cells. 
B) the rejection of self cells. 
C) carpel incompatibility with the egg cells. 
D) that the flowers be incomplete. 
A) the rejection of non-self cells. 
B) the rejection of self cells. 
C) carpel incompatibility with the egg cells. 
D) that the flowers be incomplete.

Question 12

Which of the following is correctly paired with its life cycle generation?

Accepted Answer

A) anther-sporophyte 
B) pollen-sporophyte 
C) embryo sac-gametophyte 
D) stamen-gametophyte 
A) anther-sporophyte 
B) pollen-sporophyte 
C) embryo sac-gametophyte 
D) stamen-gametophyte

Exam 30: Reproduction and Domestication of Flowering Plants

The function of antipodals in an embryosac is

"Golden rice"

The following questions refer to the diagram of an embryo sac of an angiosperm shown in Figure 30.1. Figure 30.1 -Based on Figure 30.1,which cell(s),after fertilization,give(s)rise to the embryo plant?

Several million people around the world experience malnutrition or hunger due to lack of nutritious food.Which tool would be most effective in helping alleviate human malnutrition and hunger?

The introduction of genes using biotechnological techniques (genetic engineering)from the bacterium Bacillus thuringiensis in corn and cotton crops

You are studying a plant from the Amazon rain forest that shows strong self-incompatibility.To characterize this reproductive mechanism,you would look for

The imbibition in seeds takes place during seed germination because of

Which of the following is a true statement about clonal reproduction in plants?

The most abundant organic compounds on planet Earth that are essential and a great resource to produce biofuels are

The ovary is most often located on/in the

Recent research has shown that fertilization requires that carpels recognize pollen grains as "self" or "non-self." For self-incompatibility,the system requires

Which of the following is correctly paired with its life cycle generation?

Introduction: Evolution and the Foundations of Biology

The Chemical Context of Life

Carbon and the Molecular Diversity of Life

A Tour of the Cell

Membrane Transport and Cell Signaling

An Introduction to Metabolism

Cellular Respiration and Fermentation

Photosynthesis

The Cell Cycle

Meiosis and Sexual Life Cycles

Mendel and the Gene Idea

The Chromosomal Basis of Inheritance

The Molecular Basis of Inheritance

Gene Expression: From Gene to Protein

Regulation of Gene Expression

Development,stem Cells,and Cancer

Viruses

Genomes and Their Evolution

Descent With Modification

Phylogeny

The Evolution of Populations

The Origin of Species

Broad Patterns of Evolution

Early Life and the Diversification of Prokaryotes

The Origin and Diversification of Eukaryotes

The Colonization of Land by Plants and Fungi

The Rise of Animal Diversity

Plant Structure and Growth

Resource Acquisition,nutrition,and Transport in Vascular Plants

Plant Responses to Internal and External Signals

Homeostasis and Endocrine Signaling

Animal Nutrition

Circulation and Gas Exchange

The Immune System

Reproduction and Development

Neurons,synapses,and Signaling

Nervous and Sensory Systems

Motor Mechanisms and Behavior

Population Ecology and the Distribution of Organisms

Ecological Communities

Ecosystems and Energy

Conservation Biology and Global Change

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