Question 1

Seeds develop from

Accepted Answer

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

Question 2

Which of the following is a scientific concern related to creating genetically modified crops?

Accepted Answer

A)  Herbicide resistance may spread to weedy species. 
B)  Beneficial insects may be harmed by eating pest species. 
C)  Their adaptive advantages would allow them to overpower natural ecosystems. 
D)  The monetary costs of growing genetically modified plants are significantly greater than those of traditional breeding techniques. 
A)  Herbicide resistance may spread to weedy species. 
B)  Beneficial insects may be harmed by eating pest species. 
C)  Their adaptive advantages would allow them to overpower natural ecosystems. 
D)  The monetary costs of growing genetically modified plants are significantly greater than those of traditional breeding techniques.

Question 3

Which of the following is an effective method to produce plants exhibiting hybrid vigor?

Accepted Answer

A)  self-pollination 
B)  cloning 
C)  tissue culture 
D)  genetic engineering 
A)  self-pollination 
B)  cloning 
C)  tissue culture 
D)  genetic engineering

Question 4

"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 an 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 an increased vitamin A content.

Question 5

Due to the limitation of land and water resources on planet earth, biotechnology can help to increase the crop yields to meet human needs and demands in the years to come. Farmers have to produce ________% more grain per hectare to feed human population in ________.

Accepted Answer

A)  25; 2035 
B)  40; 2030 
C)  50; 2050 
D)  20; 2030 
A)  25; 2035 
B)  40; 2030 
C)  50; 2050 
D)  20; 2030

Question 6

In some angiosperms, other floral parts contribute to what is commonly called the fruit. Which of the following fruits is derived mostly from an enlarged receptacle?

Accepted Answer

A)  pea 
B)  raspberry 
C)  apple 
D)  pineapple 
E)  peach 
A)  pea 
B)  raspberry 
C)  apple 
D)  pineapple 
E)  peach

Question 7

Apomixis is a mode of ________ in certain plants that allows hybrid plants to sustain their genome and pass it on to the next generation.

Accepted Answer

A)  vegetative reproduction 
B)  asexual reproduction 
C)  sexual reproduction 
D)  fission 
A)  vegetative reproduction 
B)  asexual reproduction 
C)  sexual reproduction 
D)  fission

Question 8

In the life cycle of an angiosperm, which of the following stages is diploid?

Accepted Answer

A)  megaspore 
B)  generative nucleus of a pollen grain 
C)  polar nuclei of the embryo sac 
D)  microsporocyte 
A)  megaspore 
B)  generative nucleus of a pollen grain 
C)  polar nuclei of the embryo sac 
D)  microsporocyte

Question 9

In flowering plants, a mature male gametophyte contains

Accepted Answer

A)  two haploid gametes and a diploid pollen grain. 
B)  a generative cell and a tube cell. 
C)  two sperm nuclei and one tube cell nucleus. 
D)  two haploid microspores. 
A)  two haploid gametes and a diploid pollen grain. 
B)  a generative cell and a tube cell. 
C)  two sperm nuclei and one tube cell nucleus. 
D)  two haploid microspores.

Question 10

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 11

Which of the following types of plants are incapable of self-pollination?

Accepted Answer

A)  dioecious 
B)  monoecious 
C)  complete 
D)  wind-pollinated 
A)  dioecious 
B)  monoecious 
C)  complete 
D)  wind-pollinated

Question 12

What typically results from double fertilization in angiosperms?

Accepted Answer

A)  The endosperm develops into a diploid nutrient tissue. 
B)  A triploid zygote is formed. 
C)  Both a diploid embryo and triploid endosperm are formed. 
D)  Two embryos develop in every seed. 
A)  The endosperm develops into a diploid nutrient tissue. 
B)  A triploid zygote is formed. 
C)  Both a diploid embryo and triploid endosperm are formed. 
D)  Two embryos develop in every seed.

Question 13

Microsporangia in flowering plants are located in the

Accepted Answer

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

Question 14

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 15

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

Question 16

In flowering plants, pollen is released from the

Accepted Answer

A)  anther. 
B)  stigma. 
C)  carpel. 
D)  filament. 
A)  anther. 
B)  stigma. 
C)  carpel. 
D)  filament.

Question 17

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 18

Which of the following is the correct sequence during the alternation of generations life cycle in a flowering plant?

Accepted Answer

A)  sporophyte → meiosis → gametophyte → gametes → fertilization → diploid zygote 
B)  sporophyte → mitosis → gametophyte → meiosis → sporophyte 
C)  haploid gametophyte → gametes → meiosis → fertilization → diploid sporophyte 
D)  sporophyte → spores → meiosis → gametophyte → gametes 
A)  sporophyte → meiosis → gametophyte → gametes → fertilization → diploid zygote 
B)  sporophyte → mitosis → gametophyte → meiosis → sporophyte 
C)  haploid gametophyte → gametes → meiosis → fertilization → diploid sporophyte 
D)  sporophyte → spores → meiosis → gametophyte → gametes

Question 19

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 20

Which of the following is the correct order of floral organs from the outside to the inside of a complete flower?

Accepted Answer

A)  petals → sepals → stamens → carpels 
B)  sepals → stamens → petals → carpels 
C)  spores → gametes → zygote → embryo 
D)  sepals → petals → stamens → carpels 
E)  male gametophyte → female gametophyte → sepals → petals 
A)  petals → sepals → stamens → carpels 
B)  sepals → stamens → petals → carpels 
C)  spores → gametes → zygote → embryo 
D)  sepals → petals → stamens → carpels 
E)  male gametophyte → female gametophyte → sepals → petals

Exam 30: Reproduction and Domestication of Flowering Plants

Seeds develop from

Which of the following is a scientific concern related to creating genetically modified crops?

Which of the following is an effective method to produce plants exhibiting hybrid vigor?

"Golden Rice"

Due to the limitation of land and water resources on planet earth, biotechnology can help to increase the crop yields to meet human needs and demands in the years to come. Farmers have to produce ________% more grain per hectare to feed human population in ________.

In some angiosperms, other floral parts contribute to what is commonly called the fruit. Which of the following fruits is derived mostly from an enlarged receptacle?

Apomixis is a mode of ________ in certain plants that allows hybrid plants to sustain their genome and pass it on to the next generation.

In the life cycle of an angiosperm, which of the following stages is diploid?

In flowering plants, a mature male gametophyte contains

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

Which of the following types of plants are incapable of self-pollination?

What typically results from double fertilization in angiosperms?

Microsporangia in flowering plants are located in the

Which of the following is true about vegetative reproduction?

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

In flowering plants, pollen is released from the

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

Which of the following is the correct sequence during the alternation of generations life cycle in a flowering plant?

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?

Which of the following is the correct order of floral organs from the outside to the inside of a complete flower?

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

Species Interactions

Ecosystems and Energy

Global Ecology and Conservation Biology

Filters

Due to the limitation of land and water resources on planet earth, biotechnology can help to increase the crop yields to meet human needs and demands in the years to come. Farmers have to produce % more grain per hectare to feed human population in .