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BIO 1500 FINAL EXAM|| ACTUAL EXAM 2024-2025
QUESTIONS AND 100% CORRECT ANSWERS
ALREADY GRADED A+|| LATEST AND COMPLETE
UPDATE 2024-2025 WITH VERIFIED SOLUTIONS||
ASSURED PASS!!!
What of the following states is incorrect according to scientific method? -
ANSWER: Scientific laws or theories are proven truth.
Life requires about _____ chemical elements? - ANSWER: 25
The four most common elements making up living organisms are? - ANSWER: C,
H, N, and O.
If the pH of a solution is 7.0, then the hydrogen ion (H+) concentration is? -
ANSWER: 10^-7 M
An ionic bond is one in which - ANSWER: Outer shell electrons of one atom are
transferred to another atom.
Which bonds are responsible for surface tension and cohesion of water? -
ANSWER: Hydrogen Bonds
In order to make a 0.5M solution of a sugar with the formula C6H10O5, how many
grams of the sugar would you add to 1 liter of water? - ANSWER: 81 Grams
In order to make a 0.1M of potassium chloride, how many grams would you add to
100ml of water? - ANSWER: 0.74 Grams
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Which of the following are features of an ecosystem? - ANSWER: A. Allows for
cycling of nutrients
B. Some energy is lost as heat at every level of the system.
C. Includes producers and consumers, which include microbes as well as visible
plants and animals.
Answer is all of the above.
All life forms share several common features at the fundamental levels, which are
considered strong evidence for a single origin of life. Which of the following is
inaccurate about such features? - ANSWER: Same 64 amino acids making up
proteins.
The living world has high species diversity and so far ____ species have been
named and described? - ANSWER: More than 1 million.
Water has the highest density at ____ C - ANSWER: 4
If the microscope eyepiece is 10X and the objective lens is 4X, then the total
magnification of the specimen that you are viewing is? - ANSWER: 40X
The three domains of life are? - ANSWER: Archaea, Bacteria, and Eukarya
Which of the following sequences represents the hierarchy of biological
organization from the least to the most complex level? - ANSWER: Molecule,
Cell, Organ System, Organism, Population, Ecosystem, and Biosphere
The bond formed when two atoms share a pair of electrons is called a? -
ANSWER: Covalent Bond
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Which property of water allows water striders to "walk" on the surface of the water
on an invisible film? - ANSWER: Surface tension due hydrogen bonds between
water molecules.
An aqueous solution with 10^-8 M (H+) concentration has a? - ANSWER: pH
value of 8 and is basic.
______, although strong, will become relatively weak in water. - ANSWER: Ionic
Bond
The total genetic information encoded in an animal's DNA is? - ANSWER:
Genome
A proton and a neutron have nearly the same mass. - ANSWER: True
A proton and an electron have the same amount of charge opposite polarity. -
ANSWER: True
In a water molecule, the oxygen atoms form a polar hydrogen bond with each of
the two own hydrogen atoms. - ANSWER: False
As the pH of a liquid increases, it becomes more acidic. - ANSWER: False
Animals, plants, and bacteria are all made of cells. - ANSWER: True
Carbon is called "tetravalent" because it can covalently bond with up to four other
molecules. - ANSWER: True
BIO 1500 FINAL EXAM|| ACTUAL EXAM 2024-2025
QUESTIONS AND 100% CORRECT ANSWERS
ALREADY GRADED A+|| LATEST AND COMPLETE
UPDATE 2024-2025 WITH VERIFIED SOLUTIONS||
ASSURED PASS!!!
What of the following states is incorrect according to scientific method? -
ANSWER: Scientific laws or theories are proven truth.
Life requires about _____ chemical elements? - ANSWER: 25
The four most common elements making up living organisms are? - ANSWER: C,
H, N, and O.
If the pH of a solution is 7.0, then the hydrogen ion (H+) concentration is? -
ANSWER: 10^-7 M
An ionic bond is one in which - ANSWER: Outer shell electrons of one atom are
transferred to another atom.
Which bonds are responsible for surface tension and cohesion of water? -
ANSWER: Hydrogen Bonds
In order to make a 0.5M solution of a sugar with the formula C6H10O5, how many
grams of the sugar would you add to 1 liter of water? - ANSWER: 81 Grams
In order to make a 0.1M of potassium chloride, how many grams would you add to
100ml of water? - ANSWER: 0.74 Grams
,2|Pag e
Which of the following are features of an ecosystem? - ANSWER: A. Allows for
cycling of nutrients
B. Some energy is lost as heat at every level of the system.
C. Includes producers and consumers, which include microbes as well as visible
plants and animals.
Answer is all of the above.
All life forms share several common features at the fundamental levels, which are
considered strong evidence for a single origin of life. Which of the following is
inaccurate about such features? - ANSWER: Same 64 amino acids making up
proteins.
The living world has high species diversity and so far ____ species have been
named and described? - ANSWER: More than 1 million.
Water has the highest density at ____ C - ANSWER: 4
If the microscope eyepiece is 10X and the objective lens is 4X, then the total
magnification of the specimen that you are viewing is? - ANSWER: 40X
The three domains of life are? - ANSWER: Archaea, Bacteria, and Eukarya
Which of the following sequences represents the hierarchy of biological
organization from the least to the most complex level? - ANSWER: Molecule,
Cell, Organ System, Organism, Population, Ecosystem, and Biosphere
The bond formed when two atoms share a pair of electrons is called a? -
ANSWER: Covalent Bond
, 3|Pag e
Which property of water allows water striders to "walk" on the surface of the water
on an invisible film? - ANSWER: Surface tension due hydrogen bonds between
water molecules.
An aqueous solution with 10^-8 M (H+) concentration has a? - ANSWER: pH
value of 8 and is basic.
______, although strong, will become relatively weak in water. - ANSWER: Ionic
Bond
The total genetic information encoded in an animal's DNA is? - ANSWER:
Genome
A proton and a neutron have nearly the same mass. - ANSWER: True
A proton and an electron have the same amount of charge opposite polarity. -
ANSWER: True
In a water molecule, the oxygen atoms form a polar hydrogen bond with each of
the two own hydrogen atoms. - ANSWER: False
As the pH of a liquid increases, it becomes more acidic. - ANSWER: False
Animals, plants, and bacteria are all made of cells. - ANSWER: True
Carbon is called "tetravalent" because it can covalently bond with up to four other
molecules. - ANSWER: True
