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Form 3 Biology Paper 3 Confidential End of Term 2 Exams 2021
Class: Form 3
Subject: Biology
Level: High School
Exam Category: Form 3 End Term 2 Exams
Document Type: Pdf
Views: 832
Downloads: 6
Exam Summary
CONFIDENTIAL
Each candidate should be supplied with the following;
• 2 test tubes in a test tube rack
• 10 ml of white wheat flour suspension in a 50ml beaker labeled M.
• 10 ml of groundnut solution in a 50 ml beaker labeled N.
• 10% Sodium hydroxide solution in a beaker labeled U
• Benedict’s solution labeled V
• 1% copper sulphate solution in a beaker labeled X
• Droppers
• 2 filter papers
• A means of heating
• A test tube holder.
NB:
a) TO PREPARE GROUND NUT SOLUTION
Peel off the raw testa; then grind the cotyledons and embryo using mortar and pestle into a powder; then dissolve the powder in water in a beaker.
For every 20 candidates dissolve 10gms of ground nut powder in 100 ml of water.
b) TO PREPARE WHEAT SOLUTION
Dissolve 10gms of wheat flour in 100ml of water for every 20 candidate.
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