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HEC ETC - USAT GS Entry Test - Biology - Biological Molecules - Quiz 1

Practice 10 high yield MCQs on Biology from Chapter Biological Molecules for USAT GS Entry Test. After submission, get instant results with correct answers and detailed explanations. This is Quiz 1 of the series.

1. Which molecule is most abundant in living organisms?



2. Why is water a polar molecule?



3. What type of bond forms between water molecules?



4. Which property of water allows it to resist temperature changes?



5. Why is water called a universal solvent?



6. What are the simplest carbohydrates called?



7. Which carbohydrate is the main source of energy for cellular respiration?



8. Which polysaccharide is used for energy storage in plants?



9. Are lipids hydrophobic or hydrophilic?



10. What is the structure of a triglyceride?



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Instructions: Select one answer per question. After submitting, you will see your score, correct answers, and explanations.

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