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High School Set 6 (2012) - Round 1 - Question 1

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TOSS-UP: BIOLOGY Multiple Choice

Which of the following processes results in a net reduction in the amount of atmospheric carbon dioxide?

  • W. Photosynthesis [foh-tuh-SIN-thuh-sis]
  • X. Fossil fuel use
  • Y. Respiration
  • Z. Decomposition
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High School Set 6 (2012) - Round 1 - Question 1

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BONUS: BIOLOGY Multiple Choice

Photosynthesis requires water as a reactant. Oxygen atoms from the water end up in which of the following product molecules?

  • W. Molecular oxygen
  • X. Water
  • Y. Glucose
  • Z. ATP
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High School Set 6 (2012) - Round 1 - Question 2

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TOSS-UP: Earth and Space Multiple Choice

Which of the following is NOT an example of a native element?

  • W. Platinum
  • X. Ruby
  • Y. Gold
  • Z. Diamond
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High School Set 6 (2012) - Round 1 - Question 2

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BONUS: Earth and Space Short Answer

What celestial phenomenon results from the movement of charged particles interacting with the Earth’s magnetosphere?

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High School Set 6 (2012) - Round 1 - Question 3

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TOSS-UP: Physics Multiple Choice

If an ideal gas performs work on its surroundings, then which of the following must be true?

  • W. Its pressure increases
  • X. Its volume increases
  • Y. Its temperature increases
  • Z. Its internal energy decreases
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High School Set 6 (2012) - Round 1 - Question 3

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BONUS: Physics Multiple Choice

A 90 kilogram fullback running north at 10 meters per second is tackled by a 120 kilogram linebacker running south at 4 meters per second in a perfectly inelastic collision. Which of the following is the velocity in meters per second of the players after the collision?

  • W. 3 south
  • X. 3 north
  • Y. 2 south
  • Z. 2 north
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High School Set 6 (2012) - Round 1 - Question 4

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TOSS-UP: MATH Multiple Choice

For all real numbers, the expression √x² - 4x + 4 [the square root of the quantity x squared minus 4 x plus 4] equals which of the following?

  • W. x - 2
  • X. x - 2x + 2
  • Y. |x - 2| [the absolute value of the quantity x minus 2]
  • Z. x + 2
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High School Set 6 (2012) - Round 1 - Question 4

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BONUS: MATH Short Answer

What are the coordinates of the vertex of the graph of y = 2x² + 8x – 3?

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High School Set 6 (2012) - Round 1 - Question 5

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TOSS-UP: Chemistry Multiple Choice

Which of the following types of structures describes a beta sheet?

  • W. Primary
  • X. Secondary
  • Y. Tertiary [TER-shee-er-ee]
  • Z. Quaternary [KWOT-er-ner-ree]
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High School Set 6 (2012) - Round 1 - Question 5

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BONUS: Chemistry Short Answer

What is the oxidation state of bromine in the compound bromous acid?

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