Practice Test

Question 1

Which label belongs in the area marked cap x ?

Revolt · Accepted Answer

D: Have a backbone

Question 2

Old classification systems based on physical characteristics would most likely disagree with the relationship between which two animals in the tree?

Revolt · Accepted Answer

C: birds and bats

Question 3

What do sclerenchyma and collenchyma have in common?

Revolt · Accepted Answer

C: They both function for support.

Question 4

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

Revolt · Accepted Answer

C: Fungi

Question 5

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

C: Some DNA moves from one cell to another.

Question 6

Consider the terms egg , sperm , and sporophyte . Which term links egg and sperm directly to sporophyte?

Revolt · Accepted Answer

A: fertilization

Question 7

Which statement best describes the difference between xylem and phloem?

Revolt · Accepted Answer

C: Xylem transports water and nutrients in the plant, and phloem transports water and sugar.

Question 8

The haploid number of sphagnum moss is 19 What is its diploid number?

Revolt · Accepted Answer

C: 38

Question 9

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

C: bioluminescence

Question 10

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.

Practice Test Answers

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