Question: Function of a catalyst
Answer Choices:
A To increase the activation energy of a reaction
B To increase the product yield
C To convert a nonspontaneous reaction to a spontaneous reaction
D To increase the rate of a reaction
Answer: D. To increase the rate of a reaction
Question: Pudding recipe for 50 uses 4 cups sugar… how many bags for 300 people?
Answer Choices:
A 4 bags
B 13 bags
C 24 bags
D 8 bags
Answer: A. 4 bags
Question: Substance excreted by sweat glands from protein breakdown?
Answer Choices:
A Lysozymes
B Urea
C Water
D Sebum
Answer: B. Urea
Question: Germinating beans prediction term?
Answer Choices:
A A hypothesis
B A conclusion
C An observation
D Data collection
Answer: A. A hypothesis
Question: 3/8 ÷ 5/12
Answer Choices:
A 5/32
B 2/5
C 9/10
D 10/9
Answer: C. 9/10
Question: Photosynthesis experiment with UV, IR, and white light… which statement is most correct?
Answer Choices:
A Three plants do not provide sufficient replications to draw a conclusion
B Wavelength of light is the only variable that has been changed between groups
C The wavelength of light does not affect photosynthesis
D Infrared light contains more energy than the other wavelengths
Answer: B. Wavelength of light is the only variable that has been changed between groups
Question: Reaction when excessive H⁺ in blood (buffer system)
Answer Choices:
A H₂CO₃ → CO₂ + H₂O
B HCO₃⁻ + H⁺ → H₂CO₃
C H₂CO₃ → HCO₃⁻ + H⁺
D CO₂ + H₂O → H₂CO₃
Answer: B. HCO₃⁻ + H⁺ → H₂CO₃
Question: Dependent variable in car insurance example
Answer Choices:
A Model
B Age
C Mileage
D Insurance premium
Answer: D. Insurance premium
Question: Adaptive immunity definition
Answer Choices:
A The body’s barrier defenses, such as mucous membranes and secretions
B The initiation of internal defenses, such as phagocytes and natural killer cells
C A response to specific traits of specific pathogens
D The initiation of the inflammatory response
Answer: C. A response to specific traits of specific pathogens
Question: Why does a vasectomy lead to infertility?
Answer Choices:
A The vasectomy blocks the movement of sperm from the epididymis into the urethra
B The vasectomy blocks the movement of sperm from the ejaculatory duct into the bulbourethral gland
C The vasectomy blocks the movement of sperm from the prostate gland to the bulbourethral gland
D The vasectomy blocks the movement of sperm from a testis into the epididymis
Answer: A. The vasectomy blocks the movement of sperm from the epididymis into the urethra
Question: 0.0025 represents what percent?
Answer Choices:
A 25%
B 0.025%
C 0.25%
D 2.5%
Answer: C. 0.25%
Question: What occurs during inhalation?
Answer Choices:
A Air moves from areas of low pressure to areas of high pressure
B The ribcage lowers
C The volume of the thoracic cavity decreases
D The diaphragm moves downward
Answer: D. The diaphragm moves downward
Question: A farmer needs to buy fertilizer… 49.5 lb per acre… 2,000 lb purchased… approximate acres?
Answer Choices:
A 125
B 1,000
C 40
D 300
Answer: C. 40
Question: pH scale comparison between pH 3 and pH 4
Answer Choices:
A A substance with a pH of 3 is 10 times more alkaline than a substance with a pH of 4
B A substance with a pH of 3 is 10 times more acidic than a substance with a pH of 4
C A substance with a pH of 3 is two times more alkaline than a substance with a pH of 4
D A substance with a pH of 3 is two times more acidic than a substance with a pH of 4
Answer: B. A substance with a pH of 3 is 10 times more acidic than a substance with a pH of 4
Question: Why does water form a concave meniscus?
Answer Choices:
A The adhesive forces with the glass are greater than the cohesive forces
B The cohesive forces with the glass are greater than the adhesive forces
C Glass has a higher density than water
D Water has a higher density than glass
Answer: A. The adhesive forces with the glass are greater than the cohesive forces
Question: Lifelong immunity after chickenpox
Answer Choices:
A Nonspecific
B Transplantation
C Active
D Innate
Answer: C. Active
Question: Hypotenuse 13 inches… which pair of sides works?
Answer Choices:
A 2.5 inches, 4 inches
B 2.5 inches, 6 inches
C 5 inches, 12 inches
D 5 inches, 8 inches
Answer: C. 5 inches, 12 inches
Question: Carbon-12 description
Answer Choices:
A C-12 possesses 7 neutrons and 5 electrons in its nucleus
B C-12 possesses 7 protons and 5 neutrons in its nucleus
C C-12 possesses 6 neutrons and 6 protons in its nucleus
D C-12 possesses 6 protons and 6 electrons in its nucleus
Answer: C. C-12 possesses 6 neutrons and 6 protons in its nucleus
Question: Ordered pair (6, 144) in gas/mileage table
Answer Choices:
A The driver can go 144 miles with 6 gallons of gas
B The driver can go 24 miles in 1 hour
C The driver can go 144 miles in 6 hours
D The driver can go 6 miles with 144 gallons of gas
Answer: A. The driver can go 144 miles with 6 gallons of gas
Question: Property of water
Answer Choices:
A Water is made up of one molecule of hydrogen and two molecules of oxygen
B Solid water is more dense than liquid water
C Water dissolves polar and ionic compounds
D Water requires less heat than ethanol to raise its temperature
Answer: C. Water dissolves polar and ionic compounds