Characteristics of Life — Unit test

Question 1

An animal cell (left) and a plant cell (right) are shown.Which organelle, labeled X in the diagram, is found in both plant and animal cells?

Revolt · Accepted Answer

the cell membrane

Question 2

What is shown in the image?

Revolt · Accepted Answer

prokaryote

Question 3

Which two microscopes generate three-dimensional images?

Revolt · Accepted Answer

scanning electron microscope and scanning tunneling microscope

Question 4

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

Revolt · Accepted Answer

osmosis

Question 5

The table lists some organelles and functions. Only one pair is correctly matched.Functions of OrganellesOrganelleFunctionLysosomeStores water and waste materialsVacuoleBreaks down sugarsMitochondrion Breaks down waste materials and debrisRibosomeProduces proteins for the cellWhich organelle in the table is correctly matched with its function?

Revolt · Accepted Answer

ribosome

Question 6

Consider the plant cells in the image below.Which is a function of the cell structure that is labeled X?

Revolt · Accepted Answer

It provides support.

Question 7

Which is a function of the cell membrane?

Revolt · Accepted Answer

controls what enters and leaves the cell

Question 8

Which organelles are not found in plant cells?

Revolt · Accepted Answer

centrioles

Question 9

The data in the graph are the result of a paramecium being placed in a hypertonic salt solution.Based on the data in the graph, which would most likely happen if the paramecium were placed in distilled water?

Revolt · Accepted Answer

The contractions would increase.

Question 10

Two cells in the same organism differ only in the number of chloroplasts they contain. The first cell has multiple chloroplasts, and the second cell has very few. What would most likely characterize these cells?

Revolt · Accepted Answer

The second cell would not be able to produce as much food because it could not capture very much sunlight.

Characteristics of Life — Unit test Answers

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