Q4 - Carbon (GenBio1-F24)

Which of the following elements is essential for the formation of organic compounds?

• Oxygen

• Carbon

• Nitrogen

• Hydrogen

Why was the synthesis of urea by Friedrich Wöhler significant in the history of organic chemistry?

• It proved that organic compounds can only be made by living organisms.

• It demonstrated that organic compounds could be synthesized from inorganic materials.

• It confirmed the theory of vitalism.

• It showed that urea is an inorganic compound.

What property of carbon allows it to form large and complex molecules?

• Its ability to form double and triple bonds.

• Its four valence electrons that can form covalent bonds in different directions.

• Its high electronegativity.

• Its large atomic size.

Which functional group is primarily responsible for the acidic nature of carboxylic acids?

• Hydroxyl

• Carbonyl

• Carboxyl

• Amino

Which type of isomer differs in the spatial arrangement of atoms around a double bond?

• Structural isomers

• Cis-trans isomers

• Enantiomers

• Stereoisomers

Which functional group can make a molecule behave as a base?

• Phosphate

• Amino

• Carbonyl

• Methyl

Which statement about hydrocarbons is true?

• They are highly soluble in water.

• They consist of carbon and hydrogen only.

• They have hydrophilic properties.

• They are usually acidic.

Enantiomers are important in the pharmaceutical industry because:

• They are identical in structure and function.

• Only one form is usually biologically active.

• They can rotate around a double bond.

• They are always non-polar.

Which organic molecule contains both an amino and a carboxyl group?

• Glycerol

• Glucose

• Amino acid

• Fatty acid

What happens to ATP when it reacts with water?

• It forms a new phosphate group.

• It becomes ADP, releasing energy.

• It forms a lipid molecule.

• It gains more energy.