Question 1

Which statement concerning grafting is correct?

Accepted Answer

A) Stocks and scions refer to twigs of different species. 
B) Stocks and scions must come from unrelated species. 
C) Stocks provide root systems for grafting. 
D) Grafting creates new species. 
A) Stocks and scions refer to twigs of different species. 
B) Stocks and scions must come from unrelated species. 
C) Stocks provide root systems for grafting. 
D) Grafting creates new species.

Question 2

Which of the following pollinating agents is correctly matched with the type of plant it helps pollinate?

Accepted Answer

A) water-terrestrial plants 
B) animals-aquatic plants 
C) wind-grasses 
D) sand-desert plants 
A) water-terrestrial plants 
B) animals-aquatic plants 
C) wind-grasses 
D) sand-desert plants

Question 3

Which of the following stages in the development of a male gametophyte is haploid (n)?

Accepted Answer

A) microsporocyte 
B) generative cell 
C) anther 
D) stamen 
A) microsporocyte 
B) generative cell 
C) anther 
D) stamen

Question 4

Transgenic plants (plants modified by biotechnology tools)are

Accepted Answer

A) resistant for pests. 
B) likely to increase soil erosion. 
C) intolerant for pesticides. 
A) resistant for pests. 
B) likely to increase soil erosion. 
C) intolerant for pesticides.

Question 5

Double fertilization means that

Accepted Answer

A) flowers must be pollinated twice to yield fruits and seeds. 
B) every egg must receive two sperm to produce an embryo. 
C) one sperm is needed to fertilize the egg,and a second sperm is needed to fertilize the polar nuclei. 
D) every sperm has two nuclei. 
A) flowers must be pollinated twice to yield fruits and seeds. 
B) every egg must receive two sperm to produce an embryo. 
C) one sperm is needed to fertilize the egg,and a second sperm is needed to fertilize the polar nuclei. 
D) every sperm has two nuclei.

Question 6

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 7

Plant biotechnology is an effective tool for

Accepted Answer

A) reducing world hunger. 
B) increasing the import of oil. 
C) decreasing genetic diversity. 
D) increasing the incompatibility of fertilization. 
A) reducing world hunger. 
B) increasing the import of oil. 
C) decreasing genetic diversity. 
D) increasing the incompatibility of fertilization.

Question 8

Where does meiosis occur in a flowering plant?

Accepted Answer

A) megasporocyte 
B) microsporocyte 
C) pollen tube 
D) megasporocyte and microsporocyte 
A) megasporocyte 
B) microsporocyte 
C) pollen tube 
D) megasporocyte and microsporocyte

Question 9

Which of the following male reproductive organs in a dicot flower is haploid (n)?

Accepted Answer

A) stamen 
B) anther wall 
C) sperm cell 
D) anther 
A) stamen 
B) anther wall 
C) sperm cell 
D) anther

Question 10

Which of the following plant seeds disperse by water?

Accepted Answer

A) coconut 
B) dandelions 
C) maple 
D) puncture wine 
A) coconut 
B) dandelions 
C) maple 
D) puncture wine

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

Which of the following could be considered an evolutionary advantage of asexual reproduction in plants?

Accepted Answer

A) increased success of progeny in a stable environment 
B) increased agricultural productivity in a rapidly changing environment 
C) maintenance and expansion of a large genome 
D) production of numerous progeny 
A) increased success of progeny in a stable environment 
B) increased agricultural productivity in a rapidly changing environment 
C) maintenance and expansion of a large genome 
D) production of numerous progeny

Question 13

Which of the following "vegetables" is botanically a fruit?

Accepted Answer

A) lettuce 
B) radish 
C) cabbage 
D) okra 
A) lettuce 
B) radish 
C) cabbage 
D) okra

Question 14

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 15

The products of asexual reproduction in plants are

Accepted Answer

A) clones,and they do not require the fusion of egg and sperm. 
B) genetically unidentical. 
C) clones,and they require the union of gametes. 
D) somatically different. 
A) clones,and they do not require the fusion of egg and sperm. 
B) genetically unidentical. 
C) clones,and they require the union of gametes. 
D) somatically different.

Question 16

The pollen produced by wind-pollinated plants is often smaller than the pollen produced by animal-pollinated plants.A reason for this might be that

Accepted Answer

A) wind-pollinated plants,in general,are smaller than animal-pollinated plants. 
B) wind-pollinated flowers don't need large pollen grains because they don't have to attract animal pollinators. 
C) small pollen grains can be carried farther by the wind. 
D) animal pollinators are more facile at picking up large pollen grains. 
A) wind-pollinated plants,in general,are smaller than animal-pollinated plants. 
B) wind-pollinated flowers don't need large pollen grains because they don't have to attract animal pollinators. 
C) small pollen grains can be carried farther by the wind. 
D) animal pollinators are more facile at picking up large pollen grains.

Question 17

Which of the following can cause abnormal development of floral parts?

Accepted Answer

A) pollinators 
B) a mutation in a gene 
C) floral meristem 
D) apical meristem 
A) pollinators 
B) a mutation in a gene 
C) floral meristem 
D) apical meristem

Question 18

Which of the following is the correct sequence during the alternation of generations in the 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

Arrange the following stages in the life cycle of an angiosperm in a correct sequence.
i.gametophyte development
ii.double fertilization
iii.pollination
iv.seed development

Accepted Answer

A) ii,i,iii,iv 
B) i,ii,iii,iv 
C) i,iii,ii,iv 
D) i,iv,iii,ii 
A) ii,i,iii,iv 
B) i,ii,iii,iv 
C) i,iii,ii,iv 
D) i,iv,iii,ii

Question 20

A mature,unfertilized ovule in an angiosperm is the result of

Accepted Answer

A) a single meiotic division. 
B) a single mitotic division. 
C) both meiotic and mitotic divisions. 
D) mitosis from the megaspore mother cell. 
A) a single meiotic division. 
B) a single mitotic division. 
C) both meiotic and mitotic divisions. 
D) mitosis from the megaspore mother cell.

Exam 30: Reproduction and Domestication of Flowering Plants

Which statement concerning grafting is correct?

Which of the following pollinating agents is correctly matched with the type of plant it helps pollinate?

Which of the following stages in the development of a male gametophyte is haploid (n)?

Transgenic plants (plants modified by biotechnology tools)are

Double fertilization means that

Microsporangia in flowering plants are located in the

Plant biotechnology is an effective tool for

Where does meiosis occur in a flowering plant?

Which of the following male reproductive organs in a dicot flower is haploid (n)?

Which of the following plant seeds disperse by water?

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

Which of the following could be considered an evolutionary advantage of asexual reproduction in plants?

Which of the following "vegetables" is botanically a fruit?

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 ________.

The products of asexual reproduction in plants are

The pollen produced by wind-pollinated plants is often smaller than the pollen produced by animal-pollinated plants.A reason for this might be that

Which of the following can cause abnormal development of floral parts?

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

Arrange the following stages in the life cycle of an angiosperm in a correct sequence. i.gametophyte development ii.double fertilization iii.pollination iv.seed development

A mature,unfertilized ovule in an angiosperm is the result of

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

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 .