Plant organs and leaf structure

Different types of tissue working together to perform a particular function are called organs.

• True

• False

Leaves are typically ________  and ________ to ensure that they capture the maximum amount of light and have the maximum surface area available for gaseous exchange.

• • large and flat

• thin and flat

• • thin and round

• • large and round

Tags

NGSS.MS-LS1-6

Parenchyma tissue, which is also referred to as the mesophyll, is rich in chloroplasts and covers the upper and lower surfaces of a leaf.

• • True

• False

The vascular tissue consists of the xylem and phloem vessels. What surrounds the xylem and phloem in order to provide extra support?

• • Cell bundle

• • Tracheids

• • Vascular bundle

• Bundle sheath

During the day, when photosynthesis occurs, the concentration of carbon dioxide inside the leaf is low and the concentration of oxygen is high. This means that during the day, oxygen enters the leaf and carbon dioxide is released.

• False

• True

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

_______________ takes place during the day and at night.

• Cellular respiration

• Photosynthesis

Tags

NGSS.HS-LS1-7

Which of the following statements is correct?

• • Transpiration results in the movement of water in a leaf.

• • Transpiration results in the movement of water and sugar in a leaf.

• • Translocation results in the movement of water in a leaf.

• • Transpiration results in the movement of sugar in a leaf.

In plants, excess sucrose is converted to starch for storage.

• False

• True

The upper palisade layer contains cells that contain (a)   , which are required for photosynthesis.

Tags

NGSS.MS-LS1-6

Which of the following is not one of the three tissue types that make up leaves?

• • Vascular tissue

• • Parenchyma tissue

• • Epidermal tissue

• • Adipose tissue