Unit Test: Cells, Photosynthesis, Interactions of Body Systems

The smallest unit of all living things is a

• cell

• tissue

• organ

• molecule

Cells -->__?__-->Organs-->Organ Systems

• tissues

• organisms

• blood

• water

Which part of a cell contains DNA (genetic mater) and controls the cells function?

• mitochondria

• nucleus

• cell membrane

• cell wall

All cells need __________________ for energy.

• water

• sunlight

• blood

• food

What substance is used in our cells to release energy from food?

• water

• carbon dioxide

• glucose

• oxygen

Photosynthesis uses carbon dioxide and __________ in the presence of sunlight to make glucose and ___________.

• oxygen, water

• water, oxygen

• sunlight, water

• air. sugar

What occurs in the chloroplast of a plant cell?

• photosynthesis

• photochloroplast

• digestion

• circulation

Which part of the microscope is used to focus an image?

• A - eyepiece

• B - objective lenses

• C - stage

• D - adjustment knob (coarse)

Which body system is shown?

• circulatory

• muscular

• skeletal

• digestive

Which body system is shown?

• circulatory

• nervous

• respiratory

• digestive