Practice CLEP-Science-and-Mathematics Exam Online

Question 1

When you first tap on the lab dish holding a C. elegans worm, it will rapidly recoil from the tapping and swim

backward to escape. Gradually, with continued tapping, it backs up less and less and finally stops backing

up altogether.

A : Fixed action pattern

B : Imprinting

C : Habituation

D : Associative learning

E : Operant conditioning

Answer: C

Question 2

A diagram of the cell cycle of the eukaryotic species C. elegans is shown below.

During "S" phase of the cell cycle, C. elegans cells are

A : growing larger

B : dividing into two new cells

C : in a period of dormancy

D : copying ONA and organelles

E :

synthesizing large amounts of ATP

Answer: D

Question 3

If A = (1, 2, 3) and B = (3, 4, 5) how many elements are in the intersection of A and B?

A : 0

B : 1

C : 3

D : 5

Answer: B

Question 4

Has the highest boiling point.

A : H2O

B : H2S

C : H2Se

D : H2Te

E : HCl

Answer: A

Question 5

The following diagram shows a food web within a temperate deciduous forest of the Northeastern United States.

Bacteria and fungi are considered decomposers because they

A : are autotrophic

B : are heterotrophic

C : are at the bottom of the food web

D : cat the remains of dead organisms

E : are mainly microscopic

Answer: D

Name:	Biology, Calculus, Chemistry, College Algebra & Mathematics, Precalculus, Natural Sciences
Exam Code:	CLEP-Science-and-Mathematics
Certification:	CLEP
Vendor:	Test Prep
Total Questions:	500
Last Updated:	Aug 02, 2026

Test Prep CLEP-Science-and-Mathematics Answers