Question 1

In which of the following pairs are the two terms equivalent?

Accepted Answer

A) ovule-egg 
B) embryo sac-female gametophyte 
C) endosperm-male gametophyte 
D) seed-zygote 
A) ovule-egg 
B) embryo sac-female gametophyte 
C) endosperm-male gametophyte 
D) seed-zygote

Question 2

Which of the following is true about vegetative reproduction?

Accepted Answer

A) It involves both meiosis and mitosis to produce haploid and diploid cells. 
B) It produces vegetables and not fruits. 
C) It involves meiosis only. 
D) It produces clones of the parent plant. 
A) It involves both meiosis and mitosis to produce haploid and diploid cells. 
B) It produces vegetables and not fruits. 
C) It involves meiosis only. 
D) It produces clones of the parent plant.

Question 3

Which of the following is the correct sequence of processes that takes place when a flowering plant reproduces?

Accepted Answer

A) meiosis → fertilization → ovulation → germination 
B) fertilization → meiosis → nuclear fusion → formation of embryo and endosperm 
C) meiosis → pollination → nuclear fusion → formation of embryo and endosperm 
D) growth of pollen tube → pollination → germination → fertilization 
A) meiosis → fertilization → ovulation → germination 
B) fertilization → meiosis → nuclear fusion → formation of embryo and endosperm 
C) meiosis → pollination → nuclear fusion → formation of embryo and endosperm 
D) growth of pollen tube → pollination → germination → fertilization

Question 4

The embryo of a grass seed is enclosed by two protective sheaths,a ________,which covers the young shoot,and a(n)________,which covers the young root.

Accepted Answer

A) cotyledon;radicle 
B) hypocotyl;epicotyl 
C) coleoptile;coleorhiza 
D) scutellum;coleoptile 
A) cotyledon;radicle 
B) hypocotyl;epicotyl 
C) coleoptile;coleorhiza 
D) scutellum;coleoptile

Question 5

Callus is a group of

Accepted Answer

A) ground tissue. 
B) vascular tissue. 
C) meristematic tissue. 
D) undifferentiated cells. 
A) ground tissue. 
B) vascular tissue. 
C) meristematic tissue. 
D) undifferentiated cells.

Question 6

A fruit that develops from many separate carpels of one flower is referred as

Accepted Answer

A) a simple fruit. 
B) an aggregate fruit. 
C) a multiple fruit. 
D) an accessory fruit. 
A) a simple fruit. 
B) an aggregate fruit. 
C) a multiple fruit. 
D) an accessory fruit.

Question 7

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)become(s)the triploid endosperm?

Accepted Answer

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

Question 8

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. 
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.

Question 9

During the process of evolution of an angiosperm,

Accepted Answer

A) the sporophyte became larger,more complicated,and short lived. 
B) the sporophyte became reduced,smaller,simpler,and long lived. 
C) the gametophyte became reduced,smaller,simpler,and short lived. 
D) the gametophyte became larger,simpler,and long lived. 
E) the sporophyte became reduced,smaller,and long lived. 
A) the sporophyte became larger,more complicated,and short lived. 
B) the sporophyte became reduced,smaller,simpler,and long lived. 
C) the gametophyte became reduced,smaller,simpler,and short lived. 
D) the gametophyte became larger,simpler,and long lived. 
E) the sporophyte became reduced,smaller,and long lived.

Question 10

Some dioecious species have the XY genotype for male and XX for female.After double fertilization,what would be the genotypes of the embryos and endosperm nuclei?

Accepted Answer

A) embryo X/endosperm XX or embryo Y/endosperm XY 
B) embryo XX/endosperm XX or embryo XY/endosperm XY 
C) embryo XY/endosperm XXX or embryo XX/endosperm XXY 
D) embryo XX/endosperm XXX or embryo XY/endosperm XXY 
A) embryo X/endosperm XX or embryo Y/endosperm XY 
B) embryo XX/endosperm XX or embryo XY/endosperm XY 
C) embryo XY/endosperm XXX or embryo XX/endosperm XXY 
D) embryo XX/endosperm XXX or embryo XY/endosperm XXY

Question 11

Which of the following plants is correctly matched with its fruit type?

Accepted Answer

A) peas-aggregate 
B) raspberry-simple 
C) beans-simple 
D) pineapple-accessory 
A) peas-aggregate 
B) raspberry-simple 
C) beans-simple 
D) pineapple-accessory

Question 12

Which of the following best describes the ploidy level of a fertilized embryo sac?

Accepted Answer

A) All cells are diploid. 
B) All cells are triploid. 
C) All cells are polyploid. 
D) There are haploid,diploid,and triploid cells. 
A) All cells are diploid. 
B) All cells are triploid. 
C) All cells are polyploid. 
D) There are haploid,diploid,and triploid cells.

Question 13

A fruit develops from an

Accepted Answer

A) ovum. 
B) embryo. 
C) ovule. 
D) ovary. 
A) ovum. 
B) embryo. 
C) ovule. 
D) ovary.

Question 14

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)guide(s)the pollen tube to the egg cell?

Accepted Answer

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

Question 15

The floral parts are arranged in concentric whorls.Which of the following sequences of floral parts is correct from the center to periphery of the receptacle?

Accepted Answer

A) stamens,corolla,calyx,carpels 
B) carpels,stamens,corolla,calyx 
C) calyx,corolla,stamens,carpels 
D) calyx,stamens,carpels,corolla 
A) stamens,corolla,calyx,carpels 
B) carpels,stamens,corolla,calyx 
C) calyx,corolla,stamens,carpels 
D) calyx,stamens,carpels,corolla

Question 16

In the process of evolution,________ in the life cycle became reduced in size and completely dependent on ________ for nutrients.

Accepted Answer

A) gametophyte;sporophyte 
B) gametophyte;zygote 
C) sporophyte;flower 
D) sporophyte;gametophyte 
A) gametophyte;sporophyte 
B) gametophyte;zygote 
C) sporophyte;flower 
D) sporophyte;gametophyte

Question 17

Seeds develop from

Accepted Answer

A) receptacles. 
B) fertilized eggs. 
C) an ovary. 
D) ovules. 
A) receptacles. 
B) fertilized eggs. 
C) an ovary. 
D) ovules.

Question 18

In a typical dicot ovule,a surviving megaspore divided by ________ consecutive mitotic divisions without cytokinesis results in ________ nuclei.

Accepted Answer

A) 2;6 
B) 3;8 
C) 3;12 
D) 4;16 
E) 1;1 
A) 2;6 
B) 3;8 
C) 3;12 
D) 4;16 
E) 1;1

Question 19

In vitro plant cultures produce

Accepted Answer

A) unidentical plants. 
B) the possibility to regenerate genetically modified plants. 
C) plants at a much slower pace. 
D) plants with high vigor. 
A) unidentical plants. 
B) the possibility to regenerate genetically modified plants. 
C) plants at a much slower pace. 
D) plants with high vigor.

Question 20

Cassava is a ________ crop that has been modified by biotechnology experiments.

Accepted Answer

A) shoot 
B) root 
C) rhizome 
D) leaf 
A) shoot 
B) root 
C) rhizome 
D) leaf

Exam 30: Reproduction and Domestication of Flowering Plants

In which of the following pairs are the two terms equivalent?

Which of the following is true about vegetative reproduction?

Which of the following is the correct sequence of processes that takes place when a flowering plant reproduces?

The embryo of a grass seed is enclosed by two protective sheaths,a ________,which covers the young shoot,and a(n)________,which covers the young root.

Callus is a group of

A fruit that develops from many separate carpels of one flower is referred as

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)become(s)the triploid endosperm?

Biofuels are mainly produced by

During the process of evolution of an angiosperm,

Some dioecious species have the XY genotype for male and XX for female.After double fertilization,what would be the genotypes of the embryos and endosperm nuclei?

Which of the following plants is correctly matched with its fruit type?

Which of the following best describes the ploidy level of a fertilized embryo sac?

A fruit develops from an

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)guide(s)the pollen tube to the egg cell?

The floral parts are arranged in concentric whorls.Which of the following sequences of floral parts is correct from the center to periphery of the receptacle?

In the process of evolution,________ in the life cycle became reduced in size and completely dependent on ________ for nutrients.

Seeds develop from

In a typical dicot ovule,a surviving megaspore divided by ________ consecutive mitotic divisions without cytokinesis results in ________ nuclei.

In vitro plant cultures produce

Cassava is a ________ crop that has been modified by biotechnology experiments.

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

Filters

The embryo of a grass seed is enclosed by two protective sheaths,a ,which covers the young shoot,and a(n),which covers the young root.

In the process of evolution, in the life cycle became reduced in size and completely dependent on for nutrients.

In a typical dicot ovule,a surviving megaspore divided by consecutive mitotic divisions without cytokinesis results in nuclei.