Practice Test

Question 1

Which description belongs in the area marked "X"?

Revolt · Accepted Answer

B: keeps group safe from predators

Question 2

Which two characteristics do all animals have?

Revolt · Accepted Answer

C: Their cells have a nucleus and membrane-bound organelles.

Question 3

Which kingdom(s) include both unicellular and multicellular organisms?

Revolt · Accepted Answer

C: Fungi

Question 4

Which level of classification contains orders but is smaller than phylum?

Revolt · Accepted Answer

C: class

Question 5

Which best explains why angiosperms are the most diverse and successful plant group today?

Revolt · Accepted Answer

D: Reproduction is aided by flowers, protected seeds, and insect pollinators.

Question 6

Which best describes the different modes of bacterial reproduction?

Revolt · Accepted Answer

C: In conjugation, a special sex pilus is required to connect two bacterial cells.

Question 7

Which best describes what happens when an animal does not form a social group?

Revolt · Accepted Answer

A: Foraging is more difficult when hunting a large prey.

Question 8

There are four steps in bacterial conjugation. The second step is missing in this list. 1. Special sex pilus connects two cells. 2. 3. Each cell makes a complementary DNA strand. 4. The cells separate. Which is the missing step for the process of conjugation described?

Revolt · Accepted Answer

D: Some DNA moves from one cell to another.

Question 9

Beans, peaches, and tomatoes are all in the same group of plants. What do these plants have in common?

Revolt · Accepted Answer

C: They bear flowers and seeds.

Question 10

Ceratium fusus is a protist that is found primarily in coastal waters, especially around the coast of the United Kingdom. These organisms are unique because they can undergo a special chemical reaction at night that helps defend them against predators. It provides defense by attracting larger predators that prey on the organisms that eat Ceratium fusus . Which characteristic of Ceratium fusus is being described?

Revolt · Accepted Answer

D: bioluminescence

Practice Test Answers

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