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Bio 101 NVCC Final Exam - Biology in Focus ALL 400
QUESTIONS AND CORRECT ANSWERS LATEST
UPDATE THIS YEAR
Bio 101 NVCC Final Exam
The lowest level of biological organization that can perform all the activities required for life
is the
A) organelle-for example, a chloroplast.
B) cell-for example, a skin cell.
C) tissue-for example, nervous tissue.
D) organ system-for example, the reproductive system.
E) organism-for example, an amoeba, dog, human, or maple tree.
B) cell-for example, a skin cell.
A type of protein critical to all cells is organic catalysts called
A) feedback activators.
B) feedback inhibitors.
C) enzymes.
D) metabolites.
E) nutrients.
C) enzymes.
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Prokaryotes are classified as belonging to two different domains. What are the domains?
A) Bacteria and Eukarya
B) Archaea and Monera
C) Eukarya and Monera
D) Bacteria and Protista
E) Bacteria and Archaea
E) Bacteria and Archaea
Which of these provides evidence of the common ancestry of all life?
A) the ubiquitous use of catalysts by living systems
B) the universality of the genetic code
C) the structure of the nucleus
D) the structure of cilia
E) the structure of chloroplasts
B) the universality of the genetic code
What is a hypothesis?
A) the same thing as an unproven theory
B) a tentative explanation that can be tested and is falsifiable
C) a verifiable observation sensed directly, or sensed indirectly with the aid of scientific
instrumentation
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D) a fact based on qualitative data that is testable
E) a fact based on quantitative data that is falsifiable
B) a tentative explanation that can be tested and is falsifiable
About 25 of the 92 natural elements are known to be essential to life. Which four of these 25
elements make up approximately 96% of living matter?
A) carbon, sodium, chlorine, nitrogen
B) carbon, sulfur, phosphorus, hydrogen
C) oxygen, hydrogen, calcium, sodium
D) carbon, hydrogen, nitrogen, oxygen
E) carbon, oxygen, sulfur, calcium
D) carbon, hydrogen, nitrogen, oxygen1). Which of the following is a false statement regarding
DNA?
A) Each chromosome has one very long DNA molecule with hundreds of thousands of genes.
B) Every cell is enclosed by a membrane.
C) Every cell uses DNA as its genetic information.
D) All forms of life are composed of cells that have a membrane-enclosed nucleus.
E) DNA is the unit of inheritance that is transmitted from parent to offspring.
D) All forms of life are composed of cells that have a membrane-enclosed nucleus.
In terms of the hierarchical organization of life, a bacterium is at the __________ level of
organization, whereas a human is at the __________ level of organization.
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A) single-celled organism; multicellular organism
B) single organelle; organism
C) organelle; organ system
D) single tissue; multicellular organism
E) tissue; organism
A) single-celled organism; multicellular organism
The main source of energy for producers in an ecosystem is
A) light energy.
B) kinetic energy.
C) thermal energy.
D) chemical energy.
E) ATP.
A) light energy.
The mass number of an element can be easily approximated by adding together the number
of __________ in an atom of that element.
A) protons and neutrons
B) energy levels
C) protons and electrons
4
Bio 101 NVCC Final Exam - Biology in Focus ALL 400
QUESTIONS AND CORRECT ANSWERS LATEST
UPDATE THIS YEAR
Bio 101 NVCC Final Exam
The lowest level of biological organization that can perform all the activities required for life
is the
A) organelle-for example, a chloroplast.
B) cell-for example, a skin cell.
C) tissue-for example, nervous tissue.
D) organ system-for example, the reproductive system.
E) organism-for example, an amoeba, dog, human, or maple tree.
B) cell-for example, a skin cell.
A type of protein critical to all cells is organic catalysts called
A) feedback activators.
B) feedback inhibitors.
C) enzymes.
D) metabolites.
E) nutrients.
C) enzymes.
1
, Page 2 of 136
Prokaryotes are classified as belonging to two different domains. What are the domains?
A) Bacteria and Eukarya
B) Archaea and Monera
C) Eukarya and Monera
D) Bacteria and Protista
E) Bacteria and Archaea
E) Bacteria and Archaea
Which of these provides evidence of the common ancestry of all life?
A) the ubiquitous use of catalysts by living systems
B) the universality of the genetic code
C) the structure of the nucleus
D) the structure of cilia
E) the structure of chloroplasts
B) the universality of the genetic code
What is a hypothesis?
A) the same thing as an unproven theory
B) a tentative explanation that can be tested and is falsifiable
C) a verifiable observation sensed directly, or sensed indirectly with the aid of scientific
instrumentation
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, Page 3 of 136
D) a fact based on qualitative data that is testable
E) a fact based on quantitative data that is falsifiable
B) a tentative explanation that can be tested and is falsifiable
About 25 of the 92 natural elements are known to be essential to life. Which four of these 25
elements make up approximately 96% of living matter?
A) carbon, sodium, chlorine, nitrogen
B) carbon, sulfur, phosphorus, hydrogen
C) oxygen, hydrogen, calcium, sodium
D) carbon, hydrogen, nitrogen, oxygen
E) carbon, oxygen, sulfur, calcium
D) carbon, hydrogen, nitrogen, oxygen1). Which of the following is a false statement regarding
DNA?
A) Each chromosome has one very long DNA molecule with hundreds of thousands of genes.
B) Every cell is enclosed by a membrane.
C) Every cell uses DNA as its genetic information.
D) All forms of life are composed of cells that have a membrane-enclosed nucleus.
E) DNA is the unit of inheritance that is transmitted from parent to offspring.
D) All forms of life are composed of cells that have a membrane-enclosed nucleus.
In terms of the hierarchical organization of life, a bacterium is at the __________ level of
organization, whereas a human is at the __________ level of organization.
3
, Page 4 of 136
A) single-celled organism; multicellular organism
B) single organelle; organism
C) organelle; organ system
D) single tissue; multicellular organism
E) tissue; organism
A) single-celled organism; multicellular organism
The main source of energy for producers in an ecosystem is
A) light energy.
B) kinetic energy.
C) thermal energy.
D) chemical energy.
E) ATP.
A) light energy.
The mass number of an element can be easily approximated by adding together the number
of __________ in an atom of that element.
A) protons and neutrons
B) energy levels
C) protons and electrons
4
