IB BIO 1.1.1 - 1.1.13 Carbon Chemistry, Carbs and Lipids

Which of the following is a primary function of carbohydrates in living organisms?

• A) Energy storage

• B) Genetic information

• C) Structural support

• D) Enzyme activity

Carbon atoms can form up to ___ covalent bonds with other atoms.

• A) 2

• B) 3

• C) 4

• D) 5

Which of the following is NOT a characteristic of organic compounds?

• A) Covalent bonding

• B) At least C, H

• C) Most often C, H, O

• D) Ionic bonding

What is the significance of carbon atoms in organic molecules?

• They are the most abundant element on Earth.

• They form the backbone of every single organic molecule due to their ability to form large and complex molecules via covalent bonding.

• They cannot form stable bonds.

• They are only found in inorganic compounds.

Tags

NGSS.HS-LS1-6

Carbon atoms can form stable covalent bonds with how many other atoms?

• Two

• Three

• Four

• Five

Tags

NGSS.HS-PS1-1

What is the number of protons in a carbon atom according to the Bohr model?

• 4

• 6

• 8

• 10

Tags

NGSS.MS-PS1-1

Fill in the blank: The Bohr model of a carbon atom shows 6 protons and 6 _______.

• Electrons

• Neutrons

• Valence electrons

• Protons

Tags

NGSS.MS-PS1-1

What is the strongest type of bond between nonmetal atoms?

• Ionic Bond

• Covalent Bond

• Hydrogen Bond

• Dipole-Dipole Bond

Tags

NGSS.HS-PS1-1

Covalent bonds involve the sharing of pairs of electrons between two _______ atoms.

• Metal

• Non-metal

• Noble gas

• Ionic

Tags

NGSS.HS-PS1-1

What is the simplest organic compound?

• Ethane

• Methane

• Propane

• Butane