Practice Test

Question 1

What is shown in the image?

Revolt · Accepted Answer

D: prokaryote

Question 2

Which term identifies a light-absorbing pigment?

Revolt · Accepted Answer

A: chlorophyll

Question 3

What is carbon fixation, and how does it relate to photosynthesis?

Revolt · Accepted Answer

A: It is the conversion of  CO sub 2  into organic compounds, and it forms 3-PGA.

Question 4

Which is a function of the cell membrane?

Revolt · Accepted Answer

D: controls what enters and leaves the cell

Question 5

A patient is in need of hydration. Which type of solution are the patient’s cells most likely in?

Revolt · Accepted Answer

D: hypotonic

Question 6

The brain and spinal cord work together so the body can receive signals and react to the environment. What is the spinal cord?

Revolt · Accepted Answer

D: an organ

Question 7

Which homeostatic process is characterized by the diffusion of only water molecules?

Revolt · Accepted Answer

D: osmosis

Question 8

How does ATP supply energy for cellular activities?

Revolt · Accepted Answer

C: by breaking off a phosphate group from its structure

Question 9

Which statement describes thylakoids?

Revolt · Accepted Answer

A: Photosystems I and II function here.

Question 10

Why is the Calvin cycle considered a dark reaction?

Revolt · Accepted Answer

D: It can proceed in the dark.

Practice Test Answers