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Understanding Diffusion, Osmosis, and Active Transport

Understanding Diffusion, Osmosis, and Active Transport

Assessment

Interactive Video

Biology

9th - 10th Grade

Practice Problem

Hard

Created by

Evelyn Hayes

FREE Resource

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the process called when molecules move from an area of high concentration to an area of low concentration without energy input?

Active transport

Diffusion

Osmosis

Facilitated diffusion

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is specifically the diffusion of water across a semi-permeable membrane?

Active transport

Diffusion

Endocytosis

Osmosis

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the osmosis experiment, what is the purpose of calculating the percentage change in mass of the potato cylinders?

To find out the sugar concentration in the solution

To measure the rate of diffusion

To determine the initial mass of the potato

To understand the effect of osmosis on the potato

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does it mean if the percentage change in mass of a potato cylinder is negative after the osmosis experiment?

The sugar concentration was too high

There was no change in mass

The potato cylinder lost mass

The potato cylinder gained mass

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does active transport differ from diffusion?

It involves the movement of water

It does not require energy

It moves substances against a concentration gradient

It only occurs in plant cells

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