Free Printable Absorption by roots

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Absorption by roots

Total questions: 20

Worksheet time: 13mins

Name

Class

Date

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

Osmosis

Diffusion

Active Transport

Passive Transport

What type of cellular transport uses energy?

Passive Transport

Active Transport

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

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.

Diffusion and Osmosis are examples of...

Active Transport

Passive Transport

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

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

_______ regulates what enters and leaves a cell.

Cell Membrane

Nucleus

Mitochondria

Cytoplasm

Where is there a high concentration of water?

in the flower

cannot be determined by picture.

in the vase

in the leaves

10.

The picture below is an example of _________________.

osmosis

isotonic

diffusion

active transport

11.

Osmosis is the movement of _____ across a membrane.

food

energy

oxygen

water

12.

In the given scenario what will happen to the organism: salt is poured onto eggplant.

Water will move out of the eggplant cells and the cells will shrink.

Water will move out of the eggplant cells and the cells will swell.

Water will move into the eggplant cells and the cells will swell.

13.

Which of the following process takes place when raisins are soaked in water for few hours?

Osmosis

Diffusion

Ascent of sap

Root pressure

14.

Which of the following does not help in ascent of sap

Capillarity

Adhesion

Cohesion

Gravity

Transpirational pull

15.

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

diffusion

osmosis

imbibition

active transport

16.

what is responsible for guttation?

osmotic pressure

root pressure

suction pressure

capillarity

17.

The space between cell wall and plama membrane is filled with _______________ (when placed in hypertonic solution)

water

isotonic solution

hypotonic solution

hypertonic solution

18.

What is the name of the tissue responsible for guttation

(a)

19.

In active transport the direction of the movement is __________ to that of diffusion

same

opposite

20.

The highest water potential is that of?

Honey

10% salt solution

50% sugar solution

Pure water

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Absorption by roots

Total questions: 20

Worksheet time: 13mins

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