EOC

Plant cells that are specialized for cell division are most likely found in what part of the plant? 

• root tips

• leaf epidermis

• stem epidermis

• vascular tissue

Tags

NGSS.HS-LS1-4

A plant species lives in an area with limited sunlight. Which physiological adaptation would be most useful to the plant? 

• colorful flowers

• large leaves

• deep roots

• thin cuticle

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

Which structure in the leaf controls the opening and closing of the stoma?

• cuticle

• epidermis

• guard cell

• spongy mesophyll

Which statement describes the role of flowers in plant survival?

• Flowers can absorb carbon dioxide for sugar production. 

• Flowers produce oxygen through cellular respiration. 

• Flowers contain cells that carry out photosynthesis.

• Flowers contain cells that produce gametes. 

Tags

NGSS.MS-LS1-4

Complete burning of plant material returns carbon primarily to the...

• herbivores

• vegetation

• atmosphere

• water

Tags

NGSS.MS-LS2-3

In a process called transpiration, plants get rid of excess water through pores in the leaves called stomata. This excess water is then released into the atmosphere as part of the water cycle. Which of the following terms best describes how the released water enters the atmosphere?

• condensation

• precipitation

• evaporation

• capillary action

Tags

NGSS.MS-ESS2-4

Which organism receives the least amount of energy from the producer?

• Whales

• Seals

• Herring

• Krill

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The pictures show the limbs of four different species.

The four species illustrated most likely have similar limb structures because they all

• share a common ancestor

• use their limbs for the same functions

• occupy the same level in a food pyramid

• adapted to the same environmental conditions

Tags

NGSS.MS-LS4-2

This cell produces oxygen.

Which structure allows passage of this oxygen to the environment?

• A

• B

• C

• D

Answer explanation

The cell membrane controls transport in and out of the cell.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-2

The diagram represents a cell and several molecules. The number of molecules shown represents the relative concentration of molecules inside and outside of the cell.

Molecule B could enter the cell as a direct result of

• digestion

• diffusion

• active transport

• enzyme production

Answer explanation

The concentration of B is higher on the inside of the cell. Low -> high is active transport.

Tags

NGSS.MS-LS1-2