Plant Systems

Plant Systems

Multiple Choice

Xylem and phloem work like the circulatory system in humans. Xylem carries ____ throughout the plant

• glucose

• soda

• water and minerals

• oxygen

Multiple Choice

A stimulus is something that provokes a response. Such as ____in plants.

• hunger

• light, gravity, touch, warmth

• a telephone ringing

• pain

Multiple Choice

Plants react to stimuli in their environment. They move towards or away from a stimulus. If a plant's roots are growing downward, the roots are ____

• positively geotropic

• positivelly phototropic

• negatively geotropic

• negatively thigmotropic

Multiple Choice

Phototropism is a plants response to____

• heat

• gravity

• light

• chemicals

Multiple Choice

Turgor Pressure is the amount of water stored inside the plant's ____that creates pressure on the cell wall, allowing the plant to stand upright.

• stomata

• nucleus

• cytoplasm

• vacuole

Multiple Choice

Plants move in response to stimuli such as gravity, warmth, light, and chemicals. These movements are called ____

• tropisms

• flinching

• actions

• cellular divisions

Multiple Choice

Homeostasis is a cell's or an organism's tendency to maintain an internal chemical ____

• imbalance

• water level

• balance

• ph level

Multiple Choice

Motion is ____

• gravity

• acceleration

• force

• a change in an object's position or direction

Multiple Choice

Force may be defined as ____

• light

• a push or a pull that can change the direction of an object

• movement

• gravity

Multiple Choice

Seedling emergence or germination occurs when____

• a plant makes a flower

• the seedling develops roots and shoots allowing it to photosynthesize

• there is a full moon

• spring begins

Multiple Choice

The most basic level of organization in living things ____

• cell

• organ

• tissue

• organ system

Multiple Choice

Leaves have epitheleal cells, like skin in humans. These similar cells are joined together to form ____

• cells

• organs

• tissue

• organ systems

Multiple Choice

A plant's leaves are considered its ____

• organs

• an organ system

• cells

• tissues

Multiple Choice

Phloem are stacked tubes that transport____throughout the plant

• water and minerals

• gases

• unknown materials

• food (glucose, proteins, and organic compounds)

Multiple Choice

Roots and Shoots are a plant's ____because they are a group of similar organs working together for a specific purpose.

• tissues

• cells

• organ system

• organisms