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- BIOLOGY PRACTICAL PAPER FOR FORM 4 TERM 2 (231/3) - MODEL 28102021003
BIOLOGY PRACTICAL PAPER FOR FORM 4 TERM 2 (231/3) - MODEL 28102021003
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28102021003
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Paper: PAPER 3 (PRACTICAL) QUESTIONS, MARKING SCHEME AND CONFIDENTIAL
Code: 231/3
Level: FORM 4
Term: TERM 2
Time: 1 HOUR 45 MINUTES
Format: .DOCX (MS WORD EDITABLE FORMAT)
Total Marks: 40 MARKS
Instruction to Candidates:
- Write your Name, Adm. No., Class and Date in the spaces provided
- Answer all the questionsÂ
- You are required to spend the first 15 minutes of the 13/4Hrs around for this paper reading the whole paper carefully before commencing your work
- Answers must be written in the spaces provided in the question paper. AdditionalÂ
- Pages must not be inserted.
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231/3 BIOLOGY PAPER 3(PRACTICAL) CONFIDENTIAL
Each candidate will require the following:
‘Note’
Guide lines for the preparation of solution Q2
- 50ml distilled water labelled Q1.
- One ripe tomato labelled specimen J.
- 2 pieces of sewing machine cotton thread 9 15cm long each)
- Benedict’s solution
- One mature pod from leguminous plant labelled specimen K.
- Iodine solution,
- One mature (dry) fruit of Bidenspilosa( Black jack)
- Labelled specimen L.
- 10cm long piece of visking tubing (wet) and preferably of 3cm width.
- 100 ml solution ( made of 2% starch and 20% glucose) labelled Q2.
- Means of heating /Flame ( candle or Bunsen burner)
- 100ml beaker
- A measuring cylinder – upto 10ml
- Distilled water.
- 6 test tubes
- Tap water / water in a wash bottle
- Test tube rank
- Test tube holder
- A sharp razor blade / scalped
‘Note’
Guide lines for the preparation of solution Q2
- To prepare 1 litre of solution Q2, dissolve 20g starch in about 500ml distilled water, dissolve 200g glucose in the solution.
- Make up the total volume of the mixture 1 litre by adding distilled water.