Diffusion and osmosis

Description

Leaving Certificate Biology (Diffusion and osmosis) Quiz on Diffusion and osmosis, created by eimearkelly3 on 10/07/2013.
eimearkelly3
Quiz by eimearkelly3, updated more than 1 year ago
eimearkelly3
Created by eimearkelly3 about 11 years ago
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Resource summary

Question 1

Question
Movement of molecules such as salt, sugar, and protein across a membrane is done by
Answer
  • Osmosis
  • Active transport

Question 2

Question
Diffusion
Answer
  • Is the spreading out of molecules from a region of low concentration to a region of high concentration
  • Is the spreading out of molecules from a region of high concentration to a region of low concentration

Question 3

Question
The difference in concentration should be _____ for the rate of diffusion to be high
Answer
  • High
  • Low

Question 4

Question
The surface area should be _______ in order for rapid diffusion
Answer
  • High
  • Low

Question 5

Question
The membrane should be _____ for effective diffusion
Answer
  • Dry
  • Moist

Question 6

Question
Cell walls should be ______ for effective diffusion
Answer
  • Thin
  • Thick

Question 7

Question
A solvent is a
Answer
  • Liquid that dissolves other substances
  • A substance that has been dissolved
  • A substance containing a substance dissolved and a substance that dissolves

Question 8

Question
A solution is
Answer
  • A liquid that dissolves other substances
  • A substance that is dissolvd
  • A substance that includes a dissolved substance and a substance that dissolves

Question 9

Question
A solute is
Answer
  • A liquid that dissolves other substances
  • A substance that is dissolved
  • A substance that includes both s substance dissolved and a medium in which it is dissolved

Question 10

Question
Animal and plant cells in an isotonic solution
Answer
  • Swell
  • Remain the same
  • Shrink

Question 11

Question
Animal and plant cells in a hypotonic solution
Answer
  • Swell
  • Remain the same
  • Shrink

Question 12

Question
Plant and animal cells in a hypertonic solution
Answer
  • Swell
  • Remain the same
  • Shrink

Question 13

Question
The cell wall of bacteria consists of
Answer
  • Polysaccharides/protein
  • Chitin

Question 14

Question
The cell wall of fungi consists of
Answer
  • Polysaccharides/proteins
  • Chitin
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