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AP Biology Midterm Exam Practice Questions and Answers | 100% Pass
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AP Biology Midterm Exam Practice Questions and Answers | 100% Pass Which of the following best describes what causes water molecules to exhibit properties such as cohesive and adhesive behavior? - Answer️️ -Water molecules are polar, having partially positive and partially negative ends. W...

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  • September 13, 2024
  • 27
  • 2024/2025
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  • ap biology midterm exam practice questions and ans

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EXAM_SOLUTIONS GUARANTEED SUCCESS 2024/2025 ACADEMIC YEAR




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, ©SOPHIABENNETT EXAM SOLUTIONS_2024/2025 Tuesday, September 3, 2024 10:30 AM



AP Biology Midterm Exam Practice
Questions and Answers | 100% Pass

Which of the following best describes what causes water molecules to exhibit

properties such as cohesive and adhesive behavior? - Answer✔️✔️-Water molecules are

polar, having partially positive and partially negative ends.

Which statement correctly compares the pH of water to that of other substances? -

Answer✔️✔️-The pH of water is neutral; it is higher than the pH of acids and lower than

the pH of bases.

The slight negative charge at one end of one water molecule is attracted to the slight

positive charge of another water molecule. What is this attraction called? - Answer✔️✔️-A

hydrogen bond

Which of the following best explains how water is able to dissolve ionic substances? -

Answer✔️✔️-The positive and negative charges of the water molecule pull on the

negative and positive ends of the ionic molecule to break them apart.

During winter's freezing temperatures, some plants can remove water from their cells to

reduce the amount of water that will freeze inside them. Why would plants need to do

this? - Answer✔️✔️-The expansion of excess water as it turns to ice inside the cells

would break the cells apart.

Which of the following best describes how the density of water differs from that of other

substances? - Answer✔️✔️-The density of water depends on its temperature, unlike other

substances.

Page | 1

, ©SOPHIABENNETT EXAM SOLUTIONS_2024/2025 Tuesday, September 3, 2024 10:30 AM


Carbon atoms are able to - Answer✔️✔️-bond with other carbon atoms to form long

chains

What is true of carbon atoms? - Answer✔️✔️-They can form up to four covalent bonds.

Carbon atoms can form - Answer✔️✔️-four single covalent bonds

Why should farmers plant crops that improve the levels of nitrogen in the soil during the

winter? - Answer✔️✔️-These crops have root nodules that contain bacteria.

Bacteria in the soil convert ammonia into a form that can be reabsorbed by a plant.

Which geochemical cycle does this sequence describe? - Answer✔️✔️-Nitrogen cycle

Why are bacteria an essential part of the nitrogen cycle? - Answer✔️✔️-Bacteria are

responsible for fixing nitrogen into usable forms for other organisms.

Carbohydrates are polymers composed of linked monosaccharides. Which of the

following is a true statement about polymers? - Answer✔️✔️-Proteins, carbohydrates,

and nucleic acids are all polymers.

What process links monomers of carbohydrates? - Answer✔️✔️-Spontaneous glycosidic

links

What are the functional units of a monosaccharide? - Answer✔️✔️-Carbonyl and hydroxyl

groups

Suppose you have an unknown chemical reaction involving carbohydrates. What is one

way to test whether the reaction is dehydration synthesis or hydrolysis reaction? -

Answer✔️✔️-Determine whether water is formed.

Which of the following correctly lists the functions lipids serve in the body? - Answer✔️✔️-

Energy storage, cell structure, signaling

Page | 2

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