Kertas Soalan Percubaan Johor SPM 2025 Sains Kertas 1 – 40 Soalan Berjawapan

Which of the following materials can be poured into a laboratory sink?

A Oil B Concentrated sulphuric acid C Baking soda solution D Sulphur

Which is the biological waste category for syringes and needles?

A Category B B Category C C Category A D Category D

Nora suddenly collapses, unconscious and unresponsive. As a friend who is with Nora, what is the first action to be taken?

A Perform cardiopulmonary resuscitation (CPR) B Perform chest compressions 120 times C Check if the victim is breathing or not D Check the victim's response, whether OK or not

Diagram 1 shows a blood pressure reading of a patient. | 150 / 95 | |:---:| What will happen to the patient if the reading continues constantly?

A Hypertension B Obesity C Lack of oxygen in blood D Failure in respiratory system

Diagram 2 shows a conversation between two students. > **Student 1:** Sari, you look healthier than before. > **Sari:** I practise a healthier diet and exercise every day. My body is no longer excessive now. Which of the following is Sari's possible Body Mass Index (BMI)?

A 17 kg m⁻² B 26 kg m⁻² C 21 kg m⁻² D 29 kg m⁻²

What are the benefits of using solar-powered vehicles?

A Reduce the cost of maintenance B Increase the efficiency of manpower C Reduce the release of greenhouse gases D Reduce the number of vehicles on the road

Diagram 3 shows a process of cell division. Where does the process take place in the human body?

A Reproductive cells B Somatic cells C Testis D Ovary

Diagram 4 shows the karyotypes of two individuals, P and Q. What type of mutation has occurred in individuals P and Q?

A DNA mutation B Cell mutation C Chromosomal mutation D Gene mutation

Diagram 5 shows a method to detect gene disorders. State the advantage of using the procedure.

A Able to identify the gender of babies earlier B Able to identify the type of abnormality in babies earlier C Able to identify biological relationships between individuals D Able to treat or prevent diseases

Diagram 6 shows a histogram for a variation. Which of the following is an example of the variation?

A Height B Blood group C Type of thumbprint D Ability to roll tongue

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