Biology Test: Biomolecules, Water and Compounds

Which two biomolecules contain only CHO (Carbon, Hydrogen & Ozygen)?

• Proteins

• Lipids

• Carbohydrates

• Nucleic Acids

Lipids store energy. Which other Biomolecule stores energy?

• Protein

• Nucleic acid

• Carbohydrates

Which Biomolecule can be water proofing?

• Nucleic Acids

• Proteins

• Lipids

• Carbohydrates

Which biomolecule includes Enzymes that control chemical reactions and gates that control what enters or leaves a cell?

• Carbohydrates

• Lipids

• Proteins

Check all the examples of elements:

• hydrogen (H₂)

• sulfur (S)

• water (H₂O)

• carbon monoxide (CO)

• nitrogen (N₂)

Check all the examples of compounds:

• O₂

• NaCl

• KBr

• H₂

• CaCl₂

True or False: Abiotic factors depend on chemistry of life.

• True

• False

What state of matter has its own shape and a definite volume?

• Solid

• Liquid

• Gas

What state of matter takes the shape of its container and doesn't have a definite volume?

• Solid

• Liquid

• Gas

Matter is anything that has mass and ....

• weight

• volume

• movement

• temperature