GED Science Test #7 2

Question 1

Which organelle is responsible for producing ATP through cellular respiration in eukaryotic cells?

Accepted Answer

Mitochondria

Answer

Ribosome

Answer

Nucleus

Answer

Golgi apparatus

Question 2

A car travels 150 miles in 3 hours and then 120 miles in 2 hours. What is the car's average speed for the entire trip?

Accepted Answer

54 mph

Answer

50 mph

Answer

60 mph

Answer

270 mph

Question 3

Which of the following best describes the role of decomposers in an ecosystem?

Accepted Answer

They break down dead organic matter and recycle nutrients

Answer

They convert sunlight into chemical energy

Answer

They consume living plants for energy

Answer

They fix nitrogen from the atmosphere

Question 4

Earth's layers from outermost to innermost are:

Accepted Answer

Crust, mantle, outer core, inner core

Answer

Mantle, crust, outer core, inner core

Answer

Crust, outer core, mantle, inner core

Answer

Inner core, outer core, mantle, crust

Question 5

Which type of chemical bond involves the sharing of electron pairs between atoms?

Accepted Answer

Covalent bond

Answer

Ionic bond

Answer

Metallic bond

Answer

Hydrogen bond

Question 6

According to the graph showing population growth, which growth pattern results in a J-shaped curve?

Accepted Answer

Exponential growth

Answer

Logistic growth

Answer

Linear growth

Answer

Seasonal growth