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100+ Free Botswana JCE Science (Syllabus 14) Practice Questions
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2026 Statistics
Key Facts: Botswana JCE Science (Syllabus 14) Exam
Code 14
Official BEC Syllabus Code
Botswana Examinations Council
40
Paper 1 MCQs
BEC JCE Assessment Syllabus
1h + 2h
Exam Duration (P1 + P2)
BEC Examination Timetable
30% / 70%
Paper Weighting (P1 / P2)
BEC JCE Science Syllabus 14
Grade C
Credit Passing Standard
BEC Grading Guidelines
BEC JCE Science (Syllabus 14) is Botswana's national Form 3 integrated science assessment. Paper 1 contains 40 multiple-choice items (30% weight, 1 hour) evaluating recall, comprehension, and application. Paper 2 is a 2-hour written exam (70% weight) assessing structured problem solving and experimental data analysis. The 100 questions on this page are an English-language MCQ study adaptation, not an official BEC paper simulation.
Sample Botswana JCE Science (Syllabus 14) Practice Questions
Try these sample questions to test your Botswana JCE Science (Syllabus 14) exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.
1A student wants to investigate how the volume of water affects the rate at which salt dissolves. Which factor represents the independent variable in this experiment?
A.The volume of water used
B.The time taken for the salt to dissolve
C.The temperature of the room
D.The mass of salt added to each container
Explanation: The independent variable is the factor deliberately changed or manipulated by the experimenter. Because the student is testing the effect of different volumes of water, the volume of water is the independent variable. The time taken to dissolve is the dependent variable, while room temperature and salt mass must be kept constant as controlled variables.
2Which measuring instrument is best suited for accurately measuring 25.0 cm³ of liquid in a science laboratory?
A.A 250 cm³ beaker
B.A 50 cm³ measuring cylinder
C.A 100 cm³ conical flask
D.An 80 cm³ test tube
Explanation: A measuring cylinder has graduated scale markings designed specifically for measuring accurate liquid volumes. Using a 50 cm³ measuring cylinder provides a narrow diameter and precise graduations suitable for measuring 25.0 cm³. Beakers and conical flasks only give approximate volumetric estimates.
3Which international system (SI) unit is used to measure electric current?
A.Volt (V)
B.Ohm (Ω)
C.Ampere (A)
D.Watt (W)
Explanation: The ampere (symbol A) is the standard SI unit of electric current, measuring the rate of flow of electric charge. Volts measure potential difference, ohms measure resistance, and watts measure power.
4What safety action should a student take immediately if an acid spills on their hand during a chemistry practical?
A.Apply a strong alkali solution directly onto the skin
B.Rinse the affected area thoroughly under running water for several minutes
C.Wipe the hand with a dry cloth and continue working
D.Cover the affected area tightly with a bandage
Explanation: Rinsing with plenty of cold running water immediately dilutes and washes away the acid, minimizing skin tissue damage. Neutralizing with a strong alkali produces exothermic reactions that can cause severe thermal burns, and dry wiping leaves corrosive chemical residues.
5Which safety hazard symbol displays a flame over a circle, indicating that a chemical can cause or intensify fire in other materials?
A.Oxidizing agent
B.Flammable material
C.Corrosive substance
D.Toxic substance
Explanation: The flame over a circle symbol represents an oxidizing substance. Oxidizers release oxygen readily, promoting combustion in surrounding materials even if the oxidizer itself is not flammable. A plain flame represents flammable materials.
6Why do scientists repeat experimental trials multiple times before drawing conclusions?
A.To change the independent variable automatically
B.To improve the reliability of results and identify anomalous data
C.To ensure the hypothesis is proven correct in every trial
D.To eliminate the need for controlled variables
Explanation: Replicating trials allows researchers to calculate average results, reduce random errors, and spot anomalous (outlier) values. Reliability is increased when repeated measurements yield consistent results under identical conditions.
7A student measures the mass of an object three times obtaining 12.4 g, 12.5 g, and 12.3 g. The accepted true mass is 12.4 g. How should these experimental results be characterized?
A.Both accurate and precise
B.Precise but not accurate
C.Accurate but not precise
D.Neither accurate nor precise
Explanation: Accuracy refers to how close measurements are to the true value (mean of 12.4 g equals true mass 12.4 g). Precision refers to how close repeated measurements are to one another (range is narrow, 12.3–12.5 g). Therefore, these measurements are both accurate and precise.
8When plotting a graph from experimental data showing the effect of light intensity on plant growth rate, on which axis should 'light intensity' be placed?
A.The vertical Y-axis, because it is the measured output
B.The horizontal X-axis, because it is the independent variable
C.Either axis, because axis selection does not affect graph interpretation
D.The secondary Y-axis on the right side of the graph
Explanation: Standard scientific graphing conventions place the independent variable (light intensity, which is controlled/manipulated) on the horizontal X-axis and the dependent variable (growth rate, which is measured) on the vertical Y-axis.
9A student reads the volume of water in a graduated cylinder at eye level with the bottom of the curved liquid surface. What is this curved liquid surface called?
A.Meniscus
B.Parallax
C.Gradient
D.Calipers
Explanation: The meniscus is the curve in the upper surface of a liquid caused by surface tension and adhesion between the liquid and container walls. Reading at eye level at the bottom of a concave meniscus avoids parallax error.
10What is the primary function of a control group in a scientific experiment testing a new plant fertilizer?
A.To produce maximum crop yield regardless of soil conditions
B.To provide a baseline comparison showing plant growth without the fertilizer
C.To test multiple fertilizers simultaneously in one container
D.To ensure all plants receive different amounts of sunlight
Explanation: A control group is exposed to all identical conditions except the independent variable (fertilizer). This provides a benchmark baseline to confirm whether observed growth differences in experimental groups are genuinely caused by the fertilizer.
About the Botswana JCE Science (Syllabus 14) Practice Questions
Verified exam format metadata for Botswana Examinations Council Junior Certificate Examination Science (Syllabus 14) is pending. The practice questions above remain available while official exam length, timing, passing score, fee, and administrator details are reviewed.