Kerala Class 10 First Term Onam Exam 2025 Biology Question Papers with Answer Keys

Kerala Class 10 First Term Onam Exam 2025 Biology Question Papers with Answer Keys in PDF format – download now and check solutions for better preparation.

Kerala SSLC Onam Exam 2025 – Biology Question Papers & Keys

The Kerala Class 10 First Term Onam Examination 2025 has been successfully conducted across all schools under the Kerala State Syllabus. Among the core science subjects, Biology plays a major role as it carries significant marks and requires strong conceptual clarity.

Answer questions from 1 to 4. Each carries 1 Score.

(4x1=4)

1. Identify the cells, comprising more than half of the brain and spinal cord that has the ability to divide but cannot transmit impulses.

i)Neurons

ii)Neuroglial cells

iii)WBC

iv)Muscular cells

a) i and ii

b) i and iii

c) i only

d) ii only

2. Which of the following is the correct arrangement of components of RNA nucleotide?

i)Phosphate - Ribose- Uracil

ii)Adenine- Phosphate-Ribose

iii)Ribose- Phosphate- Cytosine

iv)Phosphate- Ribose- Guanine

a) i, ii

b) i, iv

c) ii, iii, iv

d) iii, iv

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✅ How Answer Keys Help Students

Answer keys are essential because they allow students to:

Verify answers immediately after the exam.

Understand step-by-step solutions prepared by experts.

Improve future performance by correcting mistakes.

Gain clarity on mark distribution and expected writing style.

🔔 Preparation Tips for SSLC Biology

• Revise daily – Focus on key chapters like Life Processes, Genetics, Evolution, Human Body Systems, Ecosystems.
• Practice diagrams – Neat and labeled diagrams can help score full marks.
• Write answers in points – Concise and structured answers fetch better marks.
• Use question banks & previous year papers – Helps to predict important questions.
• Cross-check with answer keys – Identify common mistakes and rectify them before the final exam.

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