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Course: Igcse Biology
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Igcse Biology

7. Human Nutrition

0/30 Dr Dabour Hub Science Diagram and Course Material

14. Coordination and Response

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16. Reproduction

0/31 Dr Dabour Hub Science Diagram and Course Material

17. Inheritance

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19. Organisms and their Environment

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Quiz

4.3 Food Test – Assignment: extra practice

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Food IGCSE Biology extra practice questions: free practice for IGCSE Biology. Work through these Food IGCSE Biology extra practice questions and get instant feedback on every answer. If you get stuck, review the 4.3 Food tests — Notes lesson. More practice: IGCSE Biology — all units. Syllabus: Cambridge IGCSE Biology 0610 syllabus.

1.
IGCSE Biology 4.3 Food Test - Question 12
IGCSE Biology 4.3 Food Test - Question 12
A
B
C
D
2.
IGCSE Biology 4.3 Food Test - Question 13
IGCSE Biology 4.3 Food Test - Question 13
A
B
C
D
3.
IGCSE Biology 4.3 Food Test - Question 14
IGCSE Biology 4.3 Food Test - Question 14
A
B
C
D
4.
Which reagent tests for starch?
Iodine solution
Ethanol
Biuret reagent
Benedict’s solution
5.
Positive Benedict’s test for reducing sugar gives:
Brick-red colour on heating
Blue-black
Purple
Cloudy white
6.
Biuret reagent tests for:
Glucose
Starch
Fat
Protein
7.
A positive ethanol emulsion test for fats gives:
Blue-black
Brick-red
Purple
Milky white emulsion
8.
Iodine turns from brown to blue-black with:
Protein
Fat
Vitamin C
Starch
9.
Which test needs heating in a water bath?
Biuret test
Iodine test
Ethanol test
Benedict’s test
10.
A positive biuret test gives a purple colour.
True
False
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