6th Grade Science Multiple Choice Quiz

1. Which of the following is a membrane-bound organelle that contains DNA?

• Cytoplasm
• Cell membrane
• Nucleus
• Organelle

* Which of the following is a membrane-bound organelle that contains DNA?

• a) Cytoplasm
• b) Cell membrane
• c) Nucleus
• d) Organelle

The region enclosed by the cell membrane, including the fluid and all the organelles, is called the:

• a) Nucleus
• b) Cytoplasm
• c) Cell wall
• d) Mitochondria

A single-celled organism that does not have a nucleus or membrane-bound organelles is a:

• a) Eukaryotic cell
• b) Prokaryotic cell
• c) Tissue
• d) Molecule

An organism made up of cells that contain DNA in a nucleus is:

• a) Prokaryotic
• b) Atomic
• c) Eukaryotic
• d) Molecular

* A group of atoms held together by chemical bonds forms a:

• a) Lipid
• b) Protein
• c) Molecule
• d) Organelle

* Molecules made up of smaller molecules called amino acids are:

• a) Carbohydrates
• b) Lipids
• c) Proteins
• d) Nucleic acids

The arrangement of parts in an organism or an object is its:

• a) Function
• b) Homeostasis
• c) Structure
• d) Process

An organ is made up of a collection of:

• a) Cells
• b) Tissues
• c) Organ systems
• d) Organelles

2. What is the main function of the cell membrane?

• To create energy
• To cover and protect the cell and control what goes in and out
• To store DNA
• To perform photosynthesis