GMAS Science 3

Question 1

Which organelle is responsible for controlling the activities of the cell?

Accepted Answer

Nucleus

Answer

Ribosome

Answer

Vacuole

Answer

Chloroplast

Question 2

An ecosystem where decomposers break down dead organisms is demonstrating which biogeochemical process?

Accepted Answer

Nutrient cycling

Answer

The water cycle

Answer

Photosynthesis

Answer

Transpiration

Question 3

What type of wave requires a medium to travel through?

Accepted Answer

Mechanical wave

Answer

Electromagnetic wave

Answer

Light wave

Answer

Gamma ray

Question 4

Which process describes water moving from the leaves of plants into the atmosphere?

Accepted Answer

Transpiration

Answer

Precipitation

Answer

Condensation

Answer

Evaporation

Question 5

A scientist observes a fossil of a marine organism in a desert. What does this most likely indicate?

Accepted Answer

The desert was once covered by an ocean

Answer

The organism could survive in dry climates

Answer

The fossil was carried there by wind

Answer

Marine organisms can evolve into land animals quickly

Question 6

What is the relationship between an organism's genotype and phenotype?

Accepted Answer

Genotype is the genetic makeup; phenotype is the observable trait

Answer

They are always identical

Answer

Genotype is the physical trait; phenotype is the genetic code

Answer

Phenotype determines genotype

Question 7

Which of the following correctly describes the law of conservation of energy?

Accepted Answer

The total energy in a closed system remains constant

Answer

Energy can be created from nothing under extreme conditions

Answer

Energy is destroyed when converted from one form to another

Answer

Potential energy always converts fully to kinetic energy