Water & Plants

Which of the following is correct?

• water - biotic

• animal - abiotic

• plants - biotic

• soil - biotic

Osmosis is the diffusion of ___________________ across a selectively permeable membrane.

• Food

• Water

• Air

• Oxygen

A piece of potato weighing 5 g is placed inside a salt solution. After 5 hours the potato weighs 7 g. What can you conclude about the solution?

• [salt] in solution > [salt] in potato

• [salt] in solution < [salt] in potato

• [salt] in solution = [salt] in potato

An animal cell is placed a very, very salty solution will

• stay the same.

• swell and get bigger.

• shrink and get smaller.

Why might it be bad to water your plant too much?

• The plant will start to reject the water

• The plant takes up too much water and the cells explode

• The plant takes up too much water and the cells shrink and die

• It's actually not a problem

How is water moved from outside of the plant into the root?

• Capillary action

• The cells pump it up

• Osmosis

• Transpiration

Which direction will the water move?

• Back and forth

• A --> B

• B --> A

• Every direction

Why does a root have root hairs?

• To increase the surface area

• To look cute

• To be better anchored into the ground

• To find food better

Which is the correct order in which water enters the root and then travels up

• ground meristem -> protoderm -> procambium

• procambium -> ground meristem -> protoderm

• protoderm -> ground meristem -> procambium

• protoderm -> procambium -> ground meristem

The cambium is split up into two structures. One of them transports water. Name this structure.