1
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BSC 1005 Questions and Answers (100%
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Life is organized in a hierarchical fashion. Which of the following
sequences correctly lists that hierarchy as it increases in
complexity? [ Ans: ] molecule, cell, tissue, organ, organ system,
organism, population, community, ecosystem
Which of the following statements about genetics is true? [ Ans: ]
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Each organism has its own unique DNA code.
Organisms that are prokaryotes are in the domains [ Ans: ]
Bacteria and Archaea.
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Which of the following statements about the domain Bacteria is
true? [ Ans: ] All bacteria lack a nucleus.
Which of the following is a kingdom within the domain Eukarya? [
Ans: ] Fungi
All organisms belonging to the kingdom Plantae [ Ans: ] are
photosynthetic and contain cells that are surrounded by cell walls
with cellulose.
Members of the kingdom Fungi [ Ans: ] include the mushrooms
and yeasts, and decompose the remains of dead organisms and
absorb nutrients from the leftovers.
use photosynthesis to produce their own food. [ Ans: ] a
tentative answer to some question.
A theory is [ Ans: ] an explanation of an idea that is broad in
scope with multiple lines of evidence.
To be scientifically valid, a hypothesis must be [ Ans: ] testable
and falsifiable.
The four most common elements in living organisms are [ Ans: ]
C, H, O, N.
, 2
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Which of the following is a trace element in the human body? [
Ans: ] zinc
Which of the following trace elements is commonly added to
table salt to prevent the formation of goiters? [ Ans: ] iodine
Which of the following statements best describes a compound? [
Ans: ] A compound contains two or more different elements in a
fixed ratio.
Which of the following particles is found in the nucleus of an
atom? [ Ans: ] protons and neutrons
Which of the following best describes the atomic number of an
atom? [ Ans: ] the number of protons in the atom
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A radioactive isotope is an isotope that [ Ans: ] decays
If you found a fossilized dinosaur bone, what method could be
used to determine the age of the fossil? [ Ans: ] isotope analysis
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Radioactive isotopes [ Ans: ] can be used in conjunction with PET
scans to diagnose diseases.
Which particles increase by one as we move from left to right in
the elements on the periodic table? [ Ans: ] electrons and
protons
Table salt is formed when [ Ans: ] sodium donates its single outer
electron to chlorine
A hydrogen atom has one electron. How many covalent bonds
can hydrogen form? [ Ans: ] one covalent bond
What is the fundamental difference between covalent and ionic
bonding? [ Ans: ] In a covalent bond, the partners share a pair
of electrons; in an ionic bond, one partner accepts electrons from
the other.
In a water molecule, hydrogen and oxygen are held together by
a(n) ________ bond. [ Ans: ] polar covalent
The hydrogen atoms of a water molecule are bonded to the
oxygen atom by ________ bonds, whereas neighboring water
For Expert help and assignment solutions, +254707240657
BSC 1005 Questions and Answers (100%
Correct Answers) Already Graded A+
Life is organized in a hierarchical fashion. Which of the following
sequences correctly lists that hierarchy as it increases in
complexity? [ Ans: ] molecule, cell, tissue, organ, organ system,
organism, population, community, ecosystem
Which of the following statements about genetics is true? [ Ans: ]
© 2025 Assignment Expert
Each organism has its own unique DNA code.
Organisms that are prokaryotes are in the domains [ Ans: ]
Bacteria and Archaea.
Guru01 - Stuvia
Which of the following statements about the domain Bacteria is
true? [ Ans: ] All bacteria lack a nucleus.
Which of the following is a kingdom within the domain Eukarya? [
Ans: ] Fungi
All organisms belonging to the kingdom Plantae [ Ans: ] are
photosynthetic and contain cells that are surrounded by cell walls
with cellulose.
Members of the kingdom Fungi [ Ans: ] include the mushrooms
and yeasts, and decompose the remains of dead organisms and
absorb nutrients from the leftovers.
use photosynthesis to produce their own food. [ Ans: ] a
tentative answer to some question.
A theory is [ Ans: ] an explanation of an idea that is broad in
scope with multiple lines of evidence.
To be scientifically valid, a hypothesis must be [ Ans: ] testable
and falsifiable.
The four most common elements in living organisms are [ Ans: ]
C, H, O, N.
, 2
For Expert help and assignment solutions, +254707240657
Which of the following is a trace element in the human body? [
Ans: ] zinc
Which of the following trace elements is commonly added to
table salt to prevent the formation of goiters? [ Ans: ] iodine
Which of the following statements best describes a compound? [
Ans: ] A compound contains two or more different elements in a
fixed ratio.
Which of the following particles is found in the nucleus of an
atom? [ Ans: ] protons and neutrons
Which of the following best describes the atomic number of an
atom? [ Ans: ] the number of protons in the atom
© 2025 Assignment Expert
A radioactive isotope is an isotope that [ Ans: ] decays
If you found a fossilized dinosaur bone, what method could be
used to determine the age of the fossil? [ Ans: ] isotope analysis
Guru01 - Stuvia
Radioactive isotopes [ Ans: ] can be used in conjunction with PET
scans to diagnose diseases.
Which particles increase by one as we move from left to right in
the elements on the periodic table? [ Ans: ] electrons and
protons
Table salt is formed when [ Ans: ] sodium donates its single outer
electron to chlorine
A hydrogen atom has one electron. How many covalent bonds
can hydrogen form? [ Ans: ] one covalent bond
What is the fundamental difference between covalent and ionic
bonding? [ Ans: ] In a covalent bond, the partners share a pair
of electrons; in an ionic bond, one partner accepts electrons from
the other.
In a water molecule, hydrogen and oxygen are held together by
a(n) ________ bond. [ Ans: ] polar covalent
The hydrogen atoms of a water molecule are bonded to the
oxygen atom by ________ bonds, whereas neighboring water
