1
Q
Firstly, dissolve what into water?
A
glucose.
2
Q
Secondly, add an equal volume of what?
A
benedict’s solution/fehlings solution
3
Q
What colour is it before result?
A
blue.
4
Q
For the control, what goes into the test tube?
A
water and benedict’s solution.
5
Q
Are the test tubes then heated or cooled? How?
A
heated by being put in a boiling water bath.
6
Q
If reducing sugar is present, the solution turns?
A
brick-red.
7
Q
If reducing sugar is absent, the solution turns?
A
stays blue.
8
Q
Does this experiment require being boiled?
A
no, just heated
Sam - Biology Experiments
flashcards
Decks in class (22)
# Cards
-
Test for reducing sugar8
-
Test for starch8
-
Test for lipid6
-
Test for protein7
-
Use simple keys to identify any 5 fauna and any 5 flora4
-
Use pieces of apparatus to collect plants & animals in an ecosystem12
-
Carry out a quantitive survey of plants in an ecosystem18
-
Carry out a quantitive survey of animals in an ecosystem7
-
To investigate three abiotic factors in a selected ecosystem9
-
To be familiar with and to use a light microscope20
-
To prepare and examine plant cells, using a light microscope13
-
To prepare and examine animal cells, using a light microscope9
-
To isolate DNA from a plant tissue24
-
To investigate the effect of pH on the rate of enzyme activity18
-
To investigate the effect of temperature on the rate of enzyme activity13
-
To prepare an enzyme immobilisation and examine its application11
-
To investigate the effect of heat denaturation on enzyme activity15
-
To investigate the influence of light intensity or carbon dioxide on the rate of photosynthesis15
-
To prepare & show the production of alcohol by yeast24
-
To demonstrate osmosis12
-
(Unit 3) To dissect, display and identify the parts of a heart24
-
(Unit 3) To investigate the effect of exercise on breathing/ pulse rate11
