ROOTS , STEMS AND LEAVES

What is the label for A and B , respectively ?

• A is cortex : B is root hair

• A is xylem : B is phloem

• A is pericycle : B is endodermis

• A is pericycle : B is phloem

The petiole is

• Part 4

• Part 3

• Part 2

• Part 1

Tags

NGSS.MS-LS2-3

The picture shows the loss of water from the leaves. This process is called

• Transpiration

• Gaseous exchange

• Photosynthesis

• respiration

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

The spongy mesophyll is ..... and palisade mesophyll is .....

• 1 : 2

• 3: 4

• 5: 3

• 6: 4

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-6

Which fills the spaces between spongy mesophyll leaves ?

• chlorophyll

• vascular tissue

• cells

• gases

Which image shows the eudicot stem ?

• A

• B

• C

• D

Which image shows one ring of vascular bundles ?

• D

• C

• B

• A

Which plant structure is not part of a root ?

• stomata

• pericycle

• root cap

• endodermis

Which controls the movement of water vapor through the stomata ?

• bark

• guard cells

• pericycle

• vascular tissue

Which of the following TWO factors can affect transpiration rate ?

• Wind

• concentration of water

• humidity

• concentration of oxygen

Tags

NGSS.MS-LS2-1