AP Sample Questions

Q: Which process occurs in the mitochondria?

Cellular respiration occurs in the mitochondria. The mitochondria is the energy production center of the cell and ATP synthesis takes place here.

Q: What is a hydrogen bond?

A hydrogen bond is a weak intermolecular force that forms between a hydrogen atom and another electronegative atom.

Q: Where do Krebs cycle reactions occur in eukaryotic cells?

The Krebs cycle (citric acid cycle) occurs in the mitochondrial matrix and is an important part of cellular respiration.

Q: What type of monosaccharide is glucose?

Glucose is a 6-carbon sugar, so it belongs to the hexose group. It has the formula C₆H₁₂O₆.

Q: If a mixture of 0.3 mol N₂, 0.5 mol CO₂, and 0.4 mol O₂ exerts a pressure of 2.4 atm on the container walls, what is the pressure exerted by nitrogen?

According to Dalton's law: P(N₂) = X(N₂) × P(total). X(N₂) = 0.3/(0.3+0.5+0.4) = 0.25. P(N₂) = 0.25 × 2.4 = 0.6 atm

Q: Which of the following compounds forms hydroxide when reacted with water?

BaO (barium oxide) is a metal oxide and reacts with water to form Ba(OH)₂ (barium hydroxide): BaO + H₂O → Ba(OH)₂

Q: A boat moves with uniform linear motion at velocity v. If a braking force of 210 N is applied over a distance of 5 m, what is the power developed by the braking force?

Power = Force × Velocity. For uniform motion, braking force = motion force = 210 N. P = F × v = 210v W. At constant velocity P = 210 W

Q: What is the derivative of f(x) = x³ + 2x² - 5x + 3?

Using the power rule: d/dx(x³) = 3x², d/dx(2x²) = 4x, d/dx(-5x) = -5, d/dx(3) = 0. Therefore, f'(x) = 3x² + 4x - 5

Q: What is the limit of (x² - 4)/(x - 2) as x approaches 2?

Factor the numerator: (x² - 4) = (x - 2)(x + 2). Cancel (x - 2): (x + 2). As x → 2, the limit is 2 + 2 = 4

Q: A bag contains 3 red and 7 green balls. Two draws are made and the first ball is replaced. What is the probability of drawing 2 green balls?

Probability of first green ball: 7/10. Probability of second green ball: 7/10. Total: (7/10) × (7/10) = 49/100

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Sample Questions (12 questions)

AP BiologyQuestion 1

Which process occurs in the mitochondria?

A)Cellular respiration

B)Glycolysis

C)Photosynthesis

D)Methylation of sugars

E)Formation of microsomes

AP BiologyQuestion 2

What is a hydrogen bond?

A)A bond between a hydrogen atom and another strongly electronegative atom (such as oxygen or nitrogen)

B)A covalent bond between hydrogen and oxygen

C)A strong bond that enables bonding between non-polar molecules

D)A bond between hydrogen and oxygen within a water molecule

E)A bond between hydrogen and ionized atoms

AP BiologyQuestion 3

Where do Krebs cycle reactions occur in eukaryotic cells?

A)In the mitochondrial matrix

B)On the inner membrane of mitochondria

C)In the cytoplasm

D)In the large ribosomal subunit

E)Near the plasma membrane

AP BiologyQuestion 4

What type of monosaccharide is glucose?

A)Hexose

B)Pentose

C)Triose

D)Tetrose

E)Nonose

AP ChemistryQuestion 5

If a mixture of 0.3 mol N₂, 0.5 mol CO₂, and 0.4 mol O₂ exerts a pressure of 2.4 atm on the container walls, what is the pressure exerted by nitrogen?

A)0.6 atm

B)0.8 atm

C)0.5 atm

D)0.3 atm

E)0.75 atm

AP ChemistryQuestion 6

Which of the following compounds forms hydroxide when reacted with water?

A)BaO

B)Cl₂O

C)SO₃

D)SiO₂

E)N₂O₃

AP PhysicsQuestion 7

A boat moves with uniform linear motion at velocity v. If a braking force of 210 N is applied over a distance of 5 m, what is the power developed by the braking force?

A)210 W

B)105 W

C)1050 W

D)8.4 W

E)420 W

AP CalculusQuestion 8

What is the derivative of f(x) = x³ + 2x² - 5x + 3?

A)3x² + 4x - 5

B)x² + 4x - 5

C)3x² + 2x - 5

D)3x² + 4x

E)x³ + 4x² - 5

AP CalculusQuestion 9

What is the limit of (x² - 4)/(x - 2) as x approaches 2?

A)4

B)2

C)0

D)Undefined

E)∞

AP StatisticsQuestion 10

A bag contains 3 red and 7 green balls. Two draws are made and the first ball is replaced. What is the probability of drawing 2 green balls?

A)49/100

B)42/90

C)7/10

D)51/100

E)9/100

AP PhysicsQuestion 11

A cylinder has a radius of 5 cm and a height of 7 cm. What is its volume?

A)175π cm³

B)245π cm³

C)70π cm³

D)105π cm³

E)Cannot be calculated with this data

AP CalculusQuestion 12

In a right triangle, a and b represent the legs, and c represents the hypotenuse. If α is the angle opposite to a, which of the following relationships is correct?

A)a = c sin(α)

B)a = c cos(α)

C)c = a sin(α)

D)c = a cos(α)

E)a = b cos(α)

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