7th Grade Review for Common Assessment

What is the smallest unit that can carry on all functions of life?

• elements

• cells

• molecules

• organelles

What is the major difference between prokaryotes and eukaryotes?

• Prokaryotes have a nucleus

• All prokaryotes are multicellular

• All eukaryotes are unicellular

• Eukaryotes have a nucleus

What is the jellylike substance in cells which protects and supports organelles?

• chloroplast

• Golgi bodies

• Cytoplasm

• lysosomes

New cells are created from

• energy

• non-living matter

• sound

• other cells

What is the SIMPLEST levels of organization in a human being?

• organism

• organ system

• tissue

• cell

Two or more organs working together form a(n)

• tissue

• organ

• organ system

• group

Where does photosynthesis take place in a plant cell?

• ribosome

• mitochondrion

• chloroplast

• endoplasmic reticulum

What is the function of the diaphragm?

• To move blood throughout the body

• To heat and moisten air

• To help the lungs inhale and exhale air

• To filter air through the respiratory system

Which cells help fight disease/infection?

• red blood cells

• white blood cells

• liver

• brain cells

Blood absorbs oxygen in the

• heart

• lungs

• stomach

• muscles