1
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BSC1005 Questions and Answers (100%
Correct Answers) Already Graded A+
Chapter1 [ Ans: ] Ch1
2) Life is organized in a hierarchical fashion. Which of the following
sequences correctly lists that hierarchy as it increases in
complexity? [ Ans: ] D) molecule, cell, tissue, organ, organ
system, organism, population, community, ecosystem
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11) Which of the following statements about genetics is true? [
Ans: ] B) Each organism has its own unique DNA code.
14) Organisms that are prokaryotes are in the domains [ Ans: ] A)
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Bacteria and Archaea.
15) Which of the following statements about the domain Bacteria
is true? [ Ans: ] D) All bacteria lack a nucleus.
18) Which of the following is a kingdom within the domain
Eukarya? [ Ans: ] C) Fungi
19) All organisms belonging to the kingdom Plantae [ Ans: ] E)
are photosynthetic and contain cells that are surrounded by cell
walls with cellulose.
20) Members of the kingdom Fungi [ Ans: ] D) include the
mushrooms and yeasts, and decompose the remains of dead
organisms and absorb nutrients from the leftovers.
28) A hypothesis is [ Ans: ] B) a tentative answer to some
question.
30) A theory is [ Ans: ] E) an explanation of an idea that is broad
in scope with multiple lines of evidence.
31) To be scientifically valid, a hypothesis must be [ Ans: ] E)
testable and falsifiable.
Chapter 2 [ Ans: ] Ch2
, 2
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2) The four most common elements in living organisms are [ Ans: ]
C) C, H, O, N.
3) Which of the following is a trace element in the human body? [
Ans: ] C) zinc
5) Which of the following trace elements is commonly added to
table salt to prevent the formation of goiters? [ Ans: ] A) iodine
7) Which of the following statements best describes a compound?
[ Ans: ] C) A compound contains two or more different elements
in a fixed ratio.
9) Which of the following particles is found in the nucleus of an
atom? [ Ans: ] A) protons and neutrons
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15) Which of the following best describes the atomic number of an
atom? [ Ans: ] A) the number of protons in the atom
17) A radioactive isotope is an isotope that [ Ans: ] B) decays.
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18) If you found a fossilized dinosaur bone, what method could be
used to determine the age of the fossil [ Ans: ] C) isotope
analysis
21) Radioactive isotopes [ Ans: ] B) can be used in conjunction
with PET scans to diagnose diseases.
24) Which particles increase by one as we move from left to right
in the elements on the periodic table? [ Ans: ] D) electrons and
protons
25) Table salt is formed when [ Ans: ] E) sodium donates its single
outer electron to chlorine
29) A hydrogen atom has one electron. How many covalent
bonds can hydrogen form? [ Ans: ] A) one covalent bond
30) What is the fundamental difference between covalent and
ionic bonding? [ Ans: ] B) In a covalent bond, the partners share
a pair of electrons; in an ionic bond, one partner accepts
electrons from the other.
32) In a water molecule, hydrogen and oxygen are held together
by a(n) ________ bond. [ Ans: ] E) polar covalent
For Expert help and assignment solutions, +254707240657
BSC1005 Questions and Answers (100%
Correct Answers) Already Graded A+
Chapter1 [ Ans: ] Ch1
2) Life is organized in a hierarchical fashion. Which of the following
sequences correctly lists that hierarchy as it increases in
complexity? [ Ans: ] D) molecule, cell, tissue, organ, organ
system, organism, population, community, ecosystem
© 2025 Assignment Expert
11) Which of the following statements about genetics is true? [
Ans: ] B) Each organism has its own unique DNA code.
14) Organisms that are prokaryotes are in the domains [ Ans: ] A)
Guru01 - Stuvia
Bacteria and Archaea.
15) Which of the following statements about the domain Bacteria
is true? [ Ans: ] D) All bacteria lack a nucleus.
18) Which of the following is a kingdom within the domain
Eukarya? [ Ans: ] C) Fungi
19) All organisms belonging to the kingdom Plantae [ Ans: ] E)
are photosynthetic and contain cells that are surrounded by cell
walls with cellulose.
20) Members of the kingdom Fungi [ Ans: ] D) include the
mushrooms and yeasts, and decompose the remains of dead
organisms and absorb nutrients from the leftovers.
28) A hypothesis is [ Ans: ] B) a tentative answer to some
question.
30) A theory is [ Ans: ] E) an explanation of an idea that is broad
in scope with multiple lines of evidence.
31) To be scientifically valid, a hypothesis must be [ Ans: ] E)
testable and falsifiable.
Chapter 2 [ Ans: ] Ch2
, 2
For Expert help and assignment solutions, +254707240657
2) The four most common elements in living organisms are [ Ans: ]
C) C, H, O, N.
3) Which of the following is a trace element in the human body? [
Ans: ] C) zinc
5) Which of the following trace elements is commonly added to
table salt to prevent the formation of goiters? [ Ans: ] A) iodine
7) Which of the following statements best describes a compound?
[ Ans: ] C) A compound contains two or more different elements
in a fixed ratio.
9) Which of the following particles is found in the nucleus of an
atom? [ Ans: ] A) protons and neutrons
© 2025 Assignment Expert
15) Which of the following best describes the atomic number of an
atom? [ Ans: ] A) the number of protons in the atom
17) A radioactive isotope is an isotope that [ Ans: ] B) decays.
Guru01 - Stuvia
18) If you found a fossilized dinosaur bone, what method could be
used to determine the age of the fossil [ Ans: ] C) isotope
analysis
21) Radioactive isotopes [ Ans: ] B) can be used in conjunction
with PET scans to diagnose diseases.
24) Which particles increase by one as we move from left to right
in the elements on the periodic table? [ Ans: ] D) electrons and
protons
25) Table salt is formed when [ Ans: ] E) sodium donates its single
outer electron to chlorine
29) A hydrogen atom has one electron. How many covalent
bonds can hydrogen form? [ Ans: ] A) one covalent bond
30) What is the fundamental difference between covalent and
ionic bonding? [ Ans: ] B) In a covalent bond, the partners share
a pair of electrons; in an ionic bond, one partner accepts
electrons from the other.
32) In a water molecule, hydrogen and oxygen are held together
by a(n) ________ bond. [ Ans: ] E) polar covalent
