Free Test Prep CLEP-Science-and-Mathematics Exam Questions

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Total 500 Questions | Updated On: Dec 18, 2025

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Question 1

In a plant cell, the reactions of photosynthesis take place within the

A : mitochondria

B : chloroplast

C : cytoplasm

D : nucleus

E : plasma membrane

Answer: B

Question 2

Dimensional formula of a physical quantity is given as MxLyTz. If the dimensional formula of the physicalquantity is the same as that of force, what would be the value of x + y + z?

A : 0

B : −1

C : −4

D : 1

E : 2

Answer: A

Question 3

Which of the following are allotropes?

A : NH3, NH4 +

B : H,O, H,S

C : C(graphite)' C(diamond)

D : He, Ne

E : N2, O2

Answer: C

Question 4

What are the prime factors of 18?

A : 1, 2, 3, 6, 9, and 18

B : 1, 2, 3, 6, and 9

C : 2, 3, 6, and 9

D : 2 and 3

Answer: D

Question 5

Which of the following statements correctly ex-plains the flow of energy through a food web?

A : There is more and more energy available as one moves up the food web in order to supply the larger organisms with the energy they need.

B : Organisms of the third trophic level use three times the amount of energy that organisms of the second trophic level use.

C : Radiant energy from the sun is shared equally at all trophic levels of the food web.

D : Energy is recycled through an ecosystem much as carbon and nitrogen are.

E : There is a step-like decline of available energy from one trophic level to the next as organisms useenergy for activities such as growth and reproduction.

Answer: A

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Total 500 Questions | Updated On: Dec 18, 2025

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