Question 1

The evolution of the seed was important because the seed confers protection and nutrition to the embryo.

Accepted Answer

A) True 
 B)False  True

Question 2

Cytology is the study of:

Accepted Answer

A) energy transformations. 
B) plant form. 
C) heredity. 
D) fossil plants. 
E) cell structure, function, and life histories. 
A) energy transformations. 
B) plant form. 
C) heredity. 
D) fossil plants. 
E) cell structure, function, and life histories. E

Question 3

Proteinoid microspheres provide evidence that organic molecules in water can aggregate into cell-like structures

Accepted Answer

A) True 
 B)False  True

Question 4

In annuals, the stem becomes woody and covered with cork.

Accepted Answer

A) True 
 B)False

Question 5

Ozone in the outer layer of the atmosphere has important consequences for living things in that it:

Accepted Answer

A) is a pollutant. 
B) is involved directly in respiration. 
C) aids in the aggregation of molecules. 
D) absorbs ultraviolet rays from sunlight. 
E) is used by autotrophs to make sugars. 
A) is a pollutant. 
B) is involved directly in respiration. 
C) aids in the aggregation of molecules. 
D) absorbs ultraviolet rays from sunlight. 
E) is used by autotrophs to make sugars.

Question 6

Which of the following statements concerning the earliest photosynthetic organisms is FALSE?

Accepted Answer

A) They were simple compared to plants. 
B) They were more complex than primitive heterotrophs. 
C) They had a complex pigment system. 
D) They had a way of storing energy in an organic molecule. 
E) They have been found in rocks 4 billion years old. 
A) They were simple compared to plants. 
B) They were more complex than primitive heterotrophs. 
C) They had a complex pigment system. 
D) They had a way of storing energy in an organic molecule. 
E) They have been found in rocks 4 billion years old.

Question 7

Perennials have a life-span of only one year.

Accepted Answer

A) True 
 B)False

Question 8

A plant must first exhibit primary growth before it can exhibit secondary growth.

Accepted Answer

A) True 
 B)False

Question 9

Humans first appeared about ______ years ago.

Accepted Answer

A) 2000 
B) 200,000 
C) 2 million 
D) 20 million 
E) 200 million 
A) 2000 
B) 200,000 
C) 2 million 
D) 20 million 
E) 200 million

Question 10

Eukaryotic cells evolved before prokaryotic cells.

Accepted Answer

A) True 
 B)False

Question 11

On the early Earth, hydrothermal vents provided one source of organic molecules.

Accepted Answer

A) True 
 B)False

Question 12

A heterotroph:

Accepted Answer

A) is a "self-feeder." 
B) uses energy from the sun to make food. 
C) is exemplified by a fungus. 
D) makes its own energy-rich molecules from simple inorganic materials. 
E) is exemplified by algae. 
A) is a "self-feeder." 
B) uses energy from the sun to make food. 
C) is exemplified by a fungus. 
D) makes its own energy-rich molecules from simple inorganic materials. 
E) is exemplified by algae.

Question 13

Which of the following is NOT an adaptation of photosynthetic organisms to rocky coasts?

Accepted Answer

A) a multicellular body 
B) strong cell walls 
C) structures to anchor their bodies 
D) food-conducting tissues 
E) pigment systems 
A) a multicellular body 
B) strong cell walls 
C) structures to anchor their bodies 
D) food-conducting tissues 
E) pigment systems

Question 14

Secondary growth refers to growth:

Accepted Answer

A) that is of secondary importance to the plant. 
B) that results in the extension of roots and stems. 
C) originating from apical meristems. 
D) originating from lateral meristems. 
E) originating from the epidermis. 
A) that is of secondary importance to the plant. 
B) that results in the extension of roots and stems. 
C) originating from apical meristems. 
D) originating from lateral meristems. 
E) originating from the epidermis.

Question 15

Just about all organisms use the same genetic code.

Accepted Answer

A) True 
 B)False

Question 16

The greenhouse effect refers to the:

Accepted Answer

A) depletion of the ozone layer. 
B) increased incidence of skin cancer. 
C) problem of feeding the world's population. 
D) trapping of heat radiated from Earth. 
E) disappearance of species. 
A) depletion of the ozone layer. 
B) increased incidence of skin cancer. 
C) problem of feeding the world's population. 
D) trapping of heat radiated from Earth. 
E) disappearance of species.

Question 17

Plants that contain xylem and phloem are called vascular plants.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following statements about stromatolites is FALSE?

Accepted Answer

A) They contain layers of microorganisms. 
B) They contain sediment. 
C) They are fossil structures, with none alive today. 
D) They can be formed by cyanobacteria. 
E) They provide information about the earliest forms of life. 
A) They contain layers of microorganisms. 
B) They contain sediment. 
C) They are fossil structures, with none alive today. 
D) They can be formed by cyanobacteria. 
E) They provide information about the earliest forms of life.

Question 19

In perennials, the ______ is most similar in function to the cuticle-covered epidermis of annuals.

Accepted Answer

A) xylem 
B) phloem 
C) stoma 
D) vascular cambium 
E) cork 
A) xylem 
B) phloem 
C) stoma 
D) vascular cambium 
E) cork

Question 20

Phytoremediation refers to the process by which plants:

Accepted Answer

A) clean up polluted environments. 
B) deter pests. 
C) control weeds. 
D) form hybrids. 
E) transfer genes. 
A) clean up polluted environments. 
B) deter pests. 
C) control weeds. 
D) form hybrids. 
E) transfer genes.

Exam 1: Botany: an Introduction

The evolution of the seed was important because the seed confers protection and nutrition to the embryo.

Cytology is the study of:

Proteinoid microspheres provide evidence that organic molecules in water can aggregate into cell-like structures

In annuals, the stem becomes woody and covered with cork.

Ozone in the outer layer of the atmosphere has important consequences for living things in that it:

Which of the following statements concerning the earliest photosynthetic organisms is FALSE?

Perennials have a life-span of only one year.

A plant must first exhibit primary growth before it can exhibit secondary growth.

Humans first appeared about ______ years ago.

Eukaryotic cells evolved before prokaryotic cells.

On the early Earth, hydrothermal vents provided one source of organic molecules.

A heterotroph:

Which of the following is NOT an adaptation of photosynthetic organisms to rocky coasts?

Secondary growth refers to growth:

Just about all organisms use the same genetic code.

The greenhouse effect refers to the:

Plants that contain xylem and phloem are called vascular plants.

Which of the following statements about stromatolites is FALSE?

In perennials, the ______ is most similar in function to the cuticle-covered epidermis of annuals.

Phytoremediation refers to the process by which plants:

The Molecular Composition of Plant Cells

The Plant Cell and the Cell Cycle

The Movement of Substances Into and Out of Cells

The Flow of Energy

Respiration

Photosynthesis, Light, and Life

Sexual Reproduction and Heredity

The Chemistry of Heredity and Gene Expression

Recombinant Dna Technology, Plant Biotechnology, and Genomics

The Process of Evolution

Systematics: the Science of Biological Diversity

Prokaryotes and Viruses

Fungi

Protists: Algae and Heterotrophic Protists

Bryophytes

Seedless Vascular Plants

Gymnosperms

Introduction to the Angiosperms

Evolution of the Angiosperms

Plants and People

Early Development of the Plant Body

Cells and Tissues of the Plant Body

The Root: Structure and Development

The Shoot: Primary Structure and Development

Secondary Growth in Stems

Regulating Growth and Development: the Plant Hormones

External Factors and Plant Growth

Plant Nutrition and Soils

The Movement of Water and Solutes in Plants

The Dynamics of Communities and Ecosystems

Global Ecology

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