GMAS Science and Social Studies 2 — Questions and Answers
Question 1: Which type of rock is formed when magma cools and solidifies?
- Sedimentary
- Metamorphic
- Igneous (Correct answer)
- Limestone
Correct answer: Igneous
Igneous rock forms when magma (underground) or lava (above ground) cools and solidifies.
Question 2: What is the primary function of the legislative branch of the U.S. government?
- Enforce laws
- Interpret laws
- Make laws (Correct answer)
- Oversee the military
Correct answer: Make laws
The legislative branch (Congress) is responsible for creating and passing laws.
Question 3: Which process do plants use to convert sunlight into food?
- Respiration
- Fermentation
- Photosynthesis (Correct answer)
- Transpiration
Correct answer: Photosynthesis
Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to produce glucose and oxygen.
Question 4: The Georgia colony was founded in 1733 primarily as a place for which group of people?
- Religious dissenters from England
- Freed enslaved people
- Debtors from English prisons (Correct answer)
- Wealthy merchants seeking trade routes
Correct answer: Debtors from English prisons
James Oglethorpe founded Georgia as a refuge for debtors and the poor from English prisons.
Question 5: What does biodiversity refer to?
- The number of plants in a forest
- The variety of life forms in an ecosystem (Correct answer)
- The amount of rainfall in a region
- The number of endangered species in an area
Correct answer: The variety of life forms in an ecosystem
Biodiversity refers to the variety of all living organisms, including plants, animals, fungi, and microorganisms, in an ecosystem.
Question 6: Which amendment to the U.S. Constitution abolished slavery?
- 13th Amendment (Correct answer)
- 14th Amendment
- 15th Amendment
- 19th Amendment
Correct answer: 13th Amendment
The 13th Amendment, ratified in 1865, abolished slavery throughout the United States.
Question 7: What is the role of decomposers in an ecosystem?
- They produce energy from sunlight
- They break down dead organisms and recycle nutrients (Correct answer)
- They convert nitrogen gas into usable forms
- They transfer energy from plants to animals
Correct answer: They break down dead organisms and recycle nutrients
Decomposers such as bacteria and fungi break down dead organic matter and return nutrients to the soil.
Which type of rock is formed when magma cools and solidifies?