How Big Is My Brain Quiz
Questions: 16 · 10 minutes
1. A plant is kept in darkness but continues using stored sugar for a while. Which process most directly allows its cells to release usable energy from that sugar?
Transpiration
Photosynthesis
Cellular respiration
Protein translation
2. A region experiences a major decline in native bee populations. Which effect on local flowering plants is most directly expected?
Faster mineral absorption by roots
Reduced pollination for species that rely on bees
More energy captured from each unit of sunlight
Greater protection from herbivores
3. A historian is researching daily life during a past war. Which source is a primary source for that research?
A recent textbook chapter summarizing the war
A diary written by a civilian during the war
A documentary produced decades afterward
A modern novel set during the war
4. You have a nonrefundable concert ticket but must choose between attending the concert and working a paid shift at the same time. If you attend, what is the clearest opportunity cost?
The wages you would have earned during the shift
The enjoyment provided by the concert
The ticket's original purchase price
Your total income for the entire month
5. In a play, the audience knows a character is walking into a trap, but the character believes they are safe. Which literary device is this?
Flashback
Alliteration
Dramatic irony
Allegory
6. The same net force is applied separately to a 2-kilogram cart and a 4-kilogram cart. Ignoring friction, how does the lighter cart's acceleration compare?
It is twice as great
It is half as great
It is four times as great
It is the same
7. Water vapor cools and forms tiny liquid droplets that gather into a cloud. What phase change has occurred?
Condensation
Evaporation
Freezing
Sublimation
8. Assume that all poets are writers and that no writers are robots. Which conclusion must be true?
All writers are poets
No robots can create written text
Some robots are poets
No poets are robots
9. A jacket originally costs $80 and is discounted by 25%. What is its sale price before tax?
$55
$75
$65
$60
10. The European Renaissance is generally understood to have begun in city-states located on which peninsula?
The Balkan Peninsula
The Iberian Peninsula
The Italian Peninsula
The Scandinavian Peninsula
11. Compared with a solution at pH 5, approximately how much greater is the hydrogen ion concentration of a solution at pH 3?
2 times greater
5 times greater
100 times greater
10 times greater
12. Two tectonic plates are moving away from each other and new crust is forming between them. What type of plate boundary is this?
Divergent boundary
Convergent boundary
Transform boundary
Subduction boundary
13. What decimal number is represented by the binary number 1010?
8
10
12
14
14. A constitutional court invalidates a law because it conflicts with the constitution. Which principle is the court applying?
Federalism
Popular sovereignty
Bicameralism
Judicial review
15. Why does each hemisphere generally experience warmer summers and colder winters at different times of year?
Earth's rotation speeds up and slows down during the year
Earth's tilted axis changes the angle and duration of sunlight
The Sun produces substantially more energy every six months
The Moon periodically blocks part of the Sun's heat
16. In standard musical notation, what does a 3/4 time signature usually indicate?
Three measures in each section
Four half-note beats per measure
Three eighth-note beats per measure
Three quarter-note beats per measure