Absorption by Roots - Assessment

1.

Multiple Choice

30 sec

1 pt

What is the diffusion of water only across a cell or semi-permeable membrane?

Osmosis

Diffusion

Active Transport

2.

Multiple Choice

30 sec

1 pt

What type of cellular transport uses energy?

Passive Transport

Active Transport

3.

Multiple Choice

45 sec

1 pt

In which case would a cell most likely shrink?

when placed in a solution containing a high salt concentration

when placed in a isotonic solution

when placed in a solution containing a low pH

when placed in a solution containing distilled water

4.

Multiple Choice

45 sec

1 pt

A student noticed that placing wilted lettuce in a bowl of cool water caused the lettuce to become more crisp and firm. What is the best explanation for his observation?

Water moved into the lettuce cells by active transport.

Water moved into the lettuce cells by osmosis.

Salt moved into the lettuce cells by diffusion.

Water moved out of the lettuce cells by osmosis.

5.

Multiple Choice

30 sec

1 pt

Diffusion and Osmosis are examples of...

Active Transport

Passive Transport

6.

Multiple Choice

30 sec

1 pt

During diffusion

substances (things) moves from high to low concentration

water moves when energy is used

large or oddly shaped molecules move across a cell membrane

water moves from high to low concentration

7.

Multiple Choice

30 sec

1 pt

If the volume of a cell increases when it is placed in a solution, that solution is said to be __________ to the cell

hypertonic

subatomic

isotonic

hypotonic

8.

Multiple Choice

3 mins

1 pt

The picture below is an example of _________________.

osmosis

isotonic

diffusion

active transport

9.

Multiple Choice

30 sec

1 pt

Which of the following does not help in ascent of sap

Capillarity

Adhesion

Cohesion

Gravity

Transpirational pull

10.

Multiple Choice

30 sec

1 pt

Absorption of water by the plant cell by surface attraction is called:

diffusion

osmosis

imbibition

active transport

11.

Multiple Choice

30 sec

1 pt

what is responsible for guttation?

osmotic pressure

root pressure

suction pressure

capillarity

12.

Multiple Choice

30 sec

1 pt

_______ is not an example of semipermeable membrane

Cell Membrane

animal bladder

egg membrane

cell wall

13.

Multiple Choice

30 sec

1 pt

oozing out of water drops from injured parts of plant is called

bleeding

guttation

transpiration

14.

Multiple Choice

30 sec

1 pt

plants absorb water by their ………………………

roots

root hairs

stem

leaves

15.

Multiple Choice

30 sec

1 pt

Which of the following objects cannot absorb water?

16.

Multiple Choice

30 sec

1 pt

xylem: water transport
phloem : food transport

TRUE

FALSE

17.

Multiple Choice

30 sec

1 pt

Water is carried upward in the xylem by way of the cohesive and adhesive forces of

capillarity

transpiration pull

osmosis

18.

Multiple Choice

30 sec

1 pt

____ causes plasmolysis

diffusion

exosmosis

19.

Multiple Choice

30 sec

1 pt

The state of a cell in which the cell wall is rigid and stretched by the increase in volume due to the absorption of water is called

Turgiyt

Capillarity

Turgidity

20.

Multiple Choice

30 sec

1 pt

The pressure exerted by the cell wall on the cell content

Turgidity

Wall Pressure

Turgor Pressure

Flaccidity

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