Quiz 1.1

What is the smallest level of organization in biological systems?

• Organism

• Cell

• Molecule

• Atom

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Which level of organization is directly above 'tissue' in the hierarchy?

• Organ

• Organ system

• Cell

• Organism

What is the goal of homeostasis in living organisms?

• To produce energy

• To stay balanced

• To grow

• To reproduce

Tags

NGSS.HS-LS1-3

What is the role of a semipermeable membrane in cells?

• To allow all substances to pass through

• To block all substances from passing through

• To allow certain substances to pass while blocking others

• To allow active transport only

Tags

NGSS.MS-LS1-2

Which process involves the movement of molecules from an area of higher concentration to an area of lower concentration?

• Active transport

• Endocytosis

• Diffusion

• Exocytosis

What is the main difference between passive and active transport?

• Passive transport requires energy, active transport does not

• Active transport requires energy, passive transport does not

• Passive pulls stuff in while Active pushes stuff out

• Passive pushes stuff out while Active pushes stuff in

Which of the following is an example of facilitated diffusion?

• Water moving from a higher concentration to a lower one

• Glucose entering a cell through a protein door

• Oxygen diffusing into a cell

• Sodium ions being pumped out of a cell

What is osmosis specifically concerned with?

• Movement of solutes

• Movement of water

• Movement of gases

• Movement of proteins

Which of the following processes involves the cell building a bubble to bring molecules into the cell?

• Exocytosis

• Endocytosis

• Diffusion

• Osmosis

What is the term for the amount of a substance in something compared to something else?

• Molecule

• Cell

• Concentration

• Homeostasis