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High School Set 8 (2014) - Round 3 - Question 15

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TOSS-UP: BIOLOGY Short Answer

What is a form of asexual reproduction in which young develop from unfertilized eggs?

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Middle School Set 5 (2011) - Round 3 - Question 19

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TOSS-UP: Energy Multiple Choice

Typical households using natural gas consumed 22% less natural gas in 2009 than in 1990. Which of the following is NOT a reason for the decline?

  • W. Increased efficiency of appliances
  • X. Population shift towards warmer regions
  • Y. Decreased use of natural gas for home heating
  • Z. Reduction in the number of consumers
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High School Set 9 (2015) - Round 3 - Question 9

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BONUS: Chemistry Multiple Choice

Silicon can be doped with which of the following to produce a p-type semiconductor?

  • W. Oxygen
  • X. Aluminum
  • Y. Carbon
  • Z. Phosphorus
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Middle School Set 5 (2011) - Round 4 - Question 19

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TOSS-UP: GENERAL SCIENCE Multiple Choice

Cell membranes are described as fluid mosaic models consisting of proteins embedded in a bilayer of phospholipids. Which of the following components of a plant cell do NOT contain two of these bilayers?

  • W. Chloroplast
  • X. Mitochondria (read as: my-toh-KOHN-dree-ah)
  • Y. Endoplasmic reticulum (read as: ri-TI-kyuh-luhm)
  • Z. Nucleus
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High School Set 10 (2016) - Round 3 - Question 7

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BONUS: BIOLOGY Multiple Choice

All of the following changes would result in an increase in blood pressure, except:

  • W. Increased cardiac output
  • X. Increased heart rate
  • Y. Increased diameter of arterioles
  • Z. Increased stroke volume
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High School Set 13 (2019) - Round 2 - Question 8

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BONUS: Physics Short Answer

At a bottling factory, a robotic arm automatically raises a 4000-newton palette up 6 meters to load it into a canning machine every 5 minutes. In watts, how much average power is required to operate the robotic arm?

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Middle School Set 4 (2010) - Round 1 - Question 21

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TOSS-UP: MATH Multiple Choice

Which of the following distances is longest?

  • W. Half a kilometer
  • X. Half a decimeter
  • Y. 600 meters
  • Z. 40 decameters
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Middle School Set 15 (2021) - Round 5 - Question 1

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TOSS-UP: EARTH AND SPACE SCIENCE Short Answer

The Gaia [GUY-ah] spacecraft is measuring the positions of Milky Way stars by measuring the apparent shift in stars against a distant background. What is the term for this method?

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Middle School Set 4 (2010) - Round 4 - Question 15

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BONUS: Earth and Space Science Short Answer

What are the ecosystems called that are located around rivers and streams, linking water to dry land?

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High School Set 13 (2019) - Round 5 - Question 23

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BONUS: Physics Short Answer

Given that the electric constant is 8.9 times 10 –12 farads [FAIR-adz] per meter and a charge of 8 times 10 –11 coulombs is at the center of a spherical surface, then, to the nearest volt-meter, what is the electric flux that passes through the surface?

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