CLEP- Natural Sciences Exam Questions
and Answers (Top Grade Assured) 2026
Update
Main focus of the CLEP Natural Sciences exam - Correct
Answers ✅Understanding and applying scientific concepts,
not memorizing facts.
Basic unit of life - Correct Answers ✅The cell.
Where does cellular respiration occur? - Correct Answers
✅In the mitochondria.
Primary function of ribosomes - Correct Answers ✅Protein
synthesis.
Molecule that stores genetic information - Correct Answers
✅DNA.
Gas released during photosynthesis - Correct Answers
✅Oxygen (O₂).
Organelle that captures light energy for photosynthesis -
Correct Answers ✅Chloroplast.
Immediate energy source for most cellular processes -
Correct Answers ✅ATP (adenosine triphosphate).
, CLEP- Natural Sciences Exam Questions
and Answers (Top Grade Assured) 2026
Update
Process that converts glucose into energy - Correct
Answers ✅Cellular respiration.
Main energy storage in plants - Correct Answers ✅Starch.
Building blocks of proteins - Correct Answers ✅Amino
acids.
Basic unit of heredity - Correct Answers ✅The gene.
What determines the traits of an organism? - Correct
Answers ✅Its genetic code (DNA sequence).
Process by which organisms maintain internal balance -
Correct Answers ✅Homeostasis.
Type of reproduction that involves one parent - Correct
Answers ✅Asexual reproduction.
Ultimate source of energy for most ecosystems - Correct
Answers ✅The Sun.
Function of the xylem in plants - Correct Answers
✅Transports water from roots to leaves.
and Answers (Top Grade Assured) 2026
Update
Main focus of the CLEP Natural Sciences exam - Correct
Answers ✅Understanding and applying scientific concepts,
not memorizing facts.
Basic unit of life - Correct Answers ✅The cell.
Where does cellular respiration occur? - Correct Answers
✅In the mitochondria.
Primary function of ribosomes - Correct Answers ✅Protein
synthesis.
Molecule that stores genetic information - Correct Answers
✅DNA.
Gas released during photosynthesis - Correct Answers
✅Oxygen (O₂).
Organelle that captures light energy for photosynthesis -
Correct Answers ✅Chloroplast.
Immediate energy source for most cellular processes -
Correct Answers ✅ATP (adenosine triphosphate).
, CLEP- Natural Sciences Exam Questions
and Answers (Top Grade Assured) 2026
Update
Process that converts glucose into energy - Correct
Answers ✅Cellular respiration.
Main energy storage in plants - Correct Answers ✅Starch.
Building blocks of proteins - Correct Answers ✅Amino
acids.
Basic unit of heredity - Correct Answers ✅The gene.
What determines the traits of an organism? - Correct
Answers ✅Its genetic code (DNA sequence).
Process by which organisms maintain internal balance -
Correct Answers ✅Homeostasis.
Type of reproduction that involves one parent - Correct
Answers ✅Asexual reproduction.
Ultimate source of energy for most ecosystems - Correct
Answers ✅The Sun.
Function of the xylem in plants - Correct Answers
✅Transports water from roots to leaves.