NYSTCE NYSTCE Biology (006) 3

Question 1

Which of the following correctly describes natural selection?

Accepted Answer

Traits that enhance survival and reproduction become more common in a population over time

Answer

Organisms intentionally develop traits they need to survive

Answer

All mutations are beneficial to a species

Answer

Evolution occurs because organisms want to improve their species

Question 2

What is the function of the cell membrane?

Accepted Answer

To regulate what enters and exits the cell

Answer

To produce proteins for the cell

Answer

To convert glucose into ATP

Answer

To store the cell's genetic material

Question 3

Which ecological level is represented by all the populations of different species living in the same area?

Accepted Answer

Community

Answer

Population

Answer

Ecosystem

Answer

Biome

Question 4

Which macromolecule is the primary structural component of cell walls in plants?

Accepted Answer

Cellulose

Answer

Starch

Answer

Chitin

Answer

Glycogen

Question 5

What is the role of decomposers in an ecosystem?

Accepted Answer

They break down dead organic matter and return nutrients to the environment

Answer

They convert sunlight into chemical energy

Answer

They consume living plants directly

Answer

They compete with producers for resources

Question 6

Which process moves water molecules from an area of higher water concentration to lower water concentration through a semipermeable membrane?

Accepted Answer

Osmosis

Answer

Active transport

Answer

Facilitated diffusion

Answer

Endocytosis