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Middle School Set 11 (2017) - Round 4 - Question 4

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TOSS-UP: EARTH AND SPACE SCIENCE Multiple Choice

Which of the following types of rocks typically exhibits stratification?

  • W. Igneous
  • X. Metamorphic
  • Y. Sedimentary
  • Z. Biological
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High School Set 11 (2017) - Round 10 - Question 2

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TOSS-UP: BIOLOGY Short Answer

What type of leukocyte [LOO-koh-site] is involved in phagocytosis [fag-oh-sye-TOW-sis] of antigen-antibody complexes and parasites?

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Middle School Set 1 (2009) - Round 4 - Question 16

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TOSS-UP: MATH Multiple Choice

Which of the following is an expression for the perimeter of a rectangle if the length equals 10A and the width equals 6B:

  • W. 10A × 6B
  • X. 20A + 12B
  • Y. 2(20A) + 2(12B)
  • Z. 10A² + 6B2²
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High School Set 1 (2009) - Round 8 - Question 10

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TOSS-UP: Physics Short Answer

What property of a wave is generally said to increase during constructive interference?

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Middle School Set 6 (2012) - Round 13 - Question 10

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BONUS: MATH Multiple Choice

Which of the following sets of numbers can be the side lengths of an acute triangle?

  • W. 9, 12, 17
  • X. 10, 18, 20
  • Y. 5, 18, 19
  • Z. 8, 15, 17
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High School Set 13 (2019) - Round 11 - Question 9

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BONUS: Energy Short Answer

Scientists at Pacific Northwest National Lab are studying the production of lipid metabolites by fungi. These metabolites are produced by the oxidation of simpler lipids by cytochrome [SIGH-tow-krohm] P450 enzymes in what double-membrane-bound organelle?

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Middle School Set 6 (2012) - Round 5 - Question 13

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TOSS-UP: LIFE SCIENCE Multiple Choice

When present in large numbers, which of the following can cause red tides?

  • W. Ulva [UHL-vuh]
  • X. Euglena
  • Y. Diatoms
  • Z. Dinoflagellates [din-uh-FLAJ-uh-layts]
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Middle School Set 6 (2012) - Round 3 - Question 18

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TOSS-UP: EARTH AND SPACE SCIENCE Multiple Choice

The spring 2011 earthquake in Japan occurred because Japan is located on which of the following?

  • W. A spreading center
  • X. A rift zone
  • Y. A subduction zone
  • Z. A mantle plume
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High School Set 7 (2013) - Round 17 - Question 18

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TOSS-UP: BIOLOGY Multiple Choice

Which of the following marine snails produces a deadly toxin?

  • W. Blood ark
  • X. Amethyst olive
  • Y. Eastern melampus
  • Z. Geographic cone
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Middle School Set 1 (2009) - Round 4 - Question 25

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BONUS: EARTH SCIENCE Short Answer

What period of the Geological Time Scale ends with the extinction of dinosaurs?

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