F3 BIO OPENER TERM 3 2026
Document Details
Document Preview
Word Editable SampleNAME: ..................................................................................... INDEX NO: ............................
SCHOOL: .................................................................................. SIGNATURE: ........................
DATE: .......................................................................................
231BIOLOGYFORM 3 TERM 3 OPENER EXAM 2026TIME: 2 ½ HOURS
INSTRUCTIONS TO CANDIDATES
Write your name and index number in the spaces provided above.
Sign and write the date of examination in the spaces provided.
This paper consists of THREE sections: A, B and C.
Answer ALL the questions in Section A and B in the spaces provided.
In Section C, answer any ONE question in the blank pages provided at the end of the paper.
SECTION A (40 MARKS)
Answer ALL questions in this section in the spaces provided.
1. (a) Name the part of a light microscope that is used to:
(i) Concentrate light onto the specimen. (1 mark)
(ii) Bring the image into sharp focus under high power objective lens. (1 mark)
(b) A student observed a cell under a light microscope. The eyepiece lens was marked x10 and the objective lens was marked x40. Calculate the total magnification of the image. (2 marks)
| Time (Days) | 0 | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 |
|---|---|---|---|---|---|---|---|---|---|
| Population | 10 | 15 | 45 | 120 | 250 | 310 | 330 | 330 | 315 |
This document is professionally prepared and verified for Form 3 (Secondary (8-4-4)) • Term 3.
- Competency-driven teacher inquiry models
- Guiding questions for active learner engagement
- Real-life problem-solving applications
- Formative & summative assessment indicators
- Performance levels (Exceeding, Meeting, Approaching)
- Practical assessment task breakdowns