10 Multiple Choice Questions on Molecule
1. What is a molecule?
Smallest unit of an element
A group of bonded atoms
Unbonded atom
A proton
Correct Answer
Wrong Answer
2. Which molecule is essential for photosynthesis?
Hemoglobin
Chlorophyll
Oxygen
Hydrogen
Correct Answer
Wrong Answer
3. What type of bond shares electrons?
Ionic
Covalent
Hydrogen
Metallic
Correct Answer
Wrong Answer
4. What is the formula for water?
H₂O
CO₂
O₂
NaCl
Correct Answer
Wrong Answer
5. Which molecule carries genetic information?
Hemoglobin
DNA
Chlorophyll
Salt
Correct Answer
Wrong Answer
6. Molecules in fuel cells help generate:
Food
Water
Electricity
Waste
Correct Answer
Wrong Answer
7. What bond involves electron transfer?
Ionic
Hydrogen
Covalent
Metallic
Correct Answer
Wrong Answer
8. Which molecules are found in red blood cells?
DNA
Hemoglobin
Chlorophyll
Glucose
Correct Answer
Wrong Answer
9. What field involves molecule-sized machines?
Robotics
Nanotechnology
Biochemistry
Electrophysics
Correct Answer
Wrong Answer
10. Which bond is responsible for water's high boiling point?
Covalent
Ionic
Metallic
Hydrogen
Correct Answer
Wrong Answer
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