Testbank For Campbell Essential Biology||complete guide||Rated A++||Latest 23/24

Campbell Essential Biology, 5e (Simon/Yeh)
Chapter 1 Introduction: Biology Today

Multiple-Choice Questions

1) In what way(s) is the science of biology influencing and changing our culture?
A) by helping us understand the relevance of evolution to human health
B) by revealing how mutations in genes can lead to disease
C) by providing new tools for forensic investigations
D) all of the above
Answer: D
Topic: 1.1 The Scope of Life
Skill: Knowledge/Comprehension

2) What is biology?
A) the scientific study of life
B) the scientific study of the environment
C) the scientific study of DNA
D) the scientific study of ecosystems
Answer: A
Topic: 1.1 The Scope of Life
Skill: Knowledge/Comprehension

3) Which of the following is not a property of life?
A) Populations of organisms rarely change over time.
B) Living things exhibit complex but ordered organization.
C) Organisms take in energy and use it to perform all of life's activities.
D) Organisms reproduce their own kind.
Answer: A
Topic: 1.1 The Scope of Life
Skill: Knowledge/Comprehension

4) What are the two main processes that ecosystems depend upon?
A) speciation and evolution
B) nutrient recycling and energy flow
C) decomposition and nutrient recycling
D) sunlight and photosynthesis
Answer: B
Topic: 1.1 The Scope of Life
Skill: Knowledge/Comprehension

5) Which of the following is not recycled but is lost from ecosystems?
A) nitrogen
B) energy
C) magnesium
D) carbon
Answer: B
Topic: 1.1 The Scope of Life
Skill: Knowledge/Comprehension
1

,6) Which of the following is a producer?
A) oak tree
B) earthworm
C) sun
D) cat
Answer: A
Topic: 1.1 The Scope of Life
Skill: Knowledge/Comprehension

7) Humans are ______.
A) producers
B) producers and consumers
C) consumers
D) producers and decomposers
Answer: C
Topic: 1.1 The Scope of Life
Skill: Knowledge/Comprehension

8) Which of the following structures can perform all the activities required for life?
A) DNA molecules
B) cells
C) organelles
D) nuclei
Answer: B
Topic: 1.1 The Scope of Life
Skill: Knowledge/Comprehension

9) Relative to prokaryotic cells, eukaryotic cells are usually ______.
A) larger and more complex
B) smaller and simpler
C) larger and equally complex
D) smaller and more complex
Answer: A
Topic: 1.1 The Scope of Life
Skill: Knowledge/Comprehension

10) Humans are composed of ______ cells.
A) bacterial
B) eukaryotic
C) plant
D) prokaryotic
Answer: B
Topic: 1.1 The Scope of Life
Skill: Knowledge/Comprehension




2

,11) What name is given to the functional compartments of a cell?
A) genomes
B) nuclei
C) genes
D) organelles
Answer: D
Topic: 1.1 The Scope of Life
Skill: Knowledge/Comprehension

12) The DNA of a eukaryotic cell is found within the ______.
A) archaea
B) nucleus
C) prokaryotic cell
D) insulin
Answer: B
Topic: 1.1 The Scope of Life
Skill: Knowledge/Comprehension

13) What are eukaryotic genes composed of?
A) RNA
B) organelles
C) RNA and DNA
D) DNA
Answer: D
Topic: 1.1 The Scope of Life
Skill: Knowledge/Comprehension

14) What is a gene?
A) a type of eukaryotic cell
B) an organelle that houses DNA
C) a type of prokaryotic cell
D) a unit of inheritance
Answer: D
Topic: 1.1 The Scope of Life
Skill: Knowledge/Comprehension

15) The human genome consists of about ______ chemical letters.
A) 300,000
B) 1 million
C) 3 billion
D) 300 billion
Answer: C
Topic: 1.1 The Scope of Life
Skill: Knowledge/Comprehension




3

, 16) More than half of all known species are ______.
A) plants
B) insects
C) bacteria
D) vertebrates
Answer: B
Topic: 1.1 The Scope of Life
Skill: Knowledge/Comprehension

17) Taxonomy is the ______.
A) study of cells
B) naming and classifying of species
C) study of organisms and their interaction with the environment
D) study of genes
Answer: B
Topic: 1.1 The Scope of Life
Skill: Knowledge/Comprehension

18) How does taxonomy assist biologists?
A) by providing easily remembered scientific names for organisms
B) by categorizing diverse items into smaller and smaller numbers of groups
C) by reducing life to its smallest common denominator, the cell
D) all of the above
Answer: B
Topic: 1.1 The Scope of Life
Skill: Knowledge/Comprehension

19) Which domain(s) consist(s) of prokaryotic cells?
A) Bacteria only
B) Eukarya only
C) Archaea and Eukarya
D) Bacteria and Archaea
Answer: D
Topic: 1.1 The Scope of Life
Skill: Knowledge/Comprehension

20) Which kingdom of Eukarya consists primarily of unicellular organisms?
A) Plantae
B) Bacteria
C) Fungi
D) Protista
Answer: D
Topic: 1.1 The Scope of Life
Skill: Knowledge/Comprehension




4