Telangana Board Class 10 Science Marks Weightage 2027 - TSBSE SSC Chapter Wise

In short: Telangana Board (TSBSE) Class 10 Science 2027 is divided into two papers: Paper I (Physical Science covering Physics and Chemistry, 50 marks) and Paper II (Biological Science covering Biology, 50 marks). Each paper has a separate exam day. The state textbook covers 22 chapters across both papers. Focus on Electricity, Chemical Reactions, Acids Bases Salts, Life Processes, and Heredity for the best results.

How Telangana Board Science Works

Telangana State Board of Secondary Education (TSBSE) structures Science into two separate papers at the SSC level:

• Paper I: Physical Science (Physics + Chemistry) = 50 marks
• Paper II: Biological Science (Biology) = 50 marks

Both papers are based on the Telangana state textbook, which covers topics aligned with NCERT but organized differently. The state textbook has approximately 11 chapters for Physical Science and 11 chapters for Biological Science.

Each paper is a standalone exam with its own score. This two-paper approach means you prepare for Physics and Chemistry together, and Biology separately.

Paper I: Physical Science (50 Marks)

Paper Structure

Time allowed: 2 hours 45 minutes.

Physics Chapters (approximately 25 marks)

Reflection of Light on Curved Surfaces (4-5 marks)

• Mirror formula, magnification, ray diagrams.
• Image formation for concave and convex mirrors.

Refraction of Light at Curved Surfaces (4-5 marks)

• Lens formula, power of a lens.
• Ray diagrams for convex and concave lenses.
• Total internal reflection.

Together, the two Light chapters carry 8-10 marks. These are the highest-scoring Physics topics. Practice numericals on mirror/lens formulas and draw ray diagrams using a ruler.

Human Eye and Colourful World (2-3 marks)

• Defects of vision and correction.
• Dispersion, atmospheric refraction.

Electricity (6-7 marks)

• Ohm's Law, resistance.
• Series and parallel circuits.
• Electric power and energy.

The most important Physics chapter. Circuit problems and power calculations carry 4-5 marks of numericals. Practice at least 20 problems.

Electromagnetism (3-4 marks)

• Magnetic field, Fleming's rules.
• Electric motor and generator.
• Electromagnetic induction.

Principles of Metallurgy (3-4 marks)

• Extraction of metals from ores.
• Methods based on reactivity (electrolysis, reduction, physical).
• Alloys and their properties.

This topic is part of Physical Science in the Telangana syllabus (not separate as in some other boards).

Chemistry Chapters (approximately 25 marks)

Chemical Reactions and Equations (5-6 marks)

• Types of reactions with examples.
• Balancing equations.
• Oxidation and reduction.

The most important Chemistry chapter. Every paper has 5-6 marks from here.

Acids, Bases and Salts (5-6 marks)

• Properties, pH scale, indicators.
• Important salts: preparation and uses.

Metals and Non-Metals (3-4 marks)

• Reactivity series, properties.
• Ionic bonding.

Carbon and Its Compounds (4-5 marks)

• Covalent bonding, homologous series.
• IUPAC nomenclature, functional groups.
• Properties of ethanol and ethanoic acid.

Classification of Elements (2-3 marks)

• Periodic table trends and properties.

Paper I Priority Matrix

Tier 1 (Maximum focus): Electricity, Chemical Reactions, Acids Bases Salts, Light chapters = 28-34 marks combined

Tier 2 (Important): Carbon Compounds, Metallurgy, Electromagnetism = 10-13 marks combined

Tier 3 (Quick revision): Human Eye, Classification of Elements, Metals Non-Metals = 7-10 marks combined

Paper II: Biological Science (50 Marks)

Paper Structure

Time allowed: 2 hours 45 minutes.

Biology Chapter-Wise Weightage

Nutrition (6-8 marks)

• Autotrophic nutrition: photosynthesis.
• Heterotrophic nutrition: human digestive system.
• Nutrition in Amoeba and other organisms.

Diagrams of the digestive system and the process of photosynthesis are common 5-mark questions.

Respiration (4-5 marks)

• Aerobic and anaerobic respiration.
• Human respiratory system.
• Breathing mechanism.

Transportation (5-6 marks)

• Human circulatory system: heart structure, blood composition.
• Double circulation and its significance.
• Transport in plants: xylem, phloem.

The heart diagram with double circulation is one of the most frequently asked 5-mark questions.

Excretion (4-5 marks)

• Human excretory system.
• Nephron structure and urine formation.
• Excretion in plants.

Control and Coordination (4-5 marks)

• Nervous system: neuron structure, reflex arc.
• Human brain structure and functions.
• Plant hormones and animal hormones.

Reproduction (5-6 marks)

• Asexual reproduction methods.
• Sexual reproduction in flowering plants.
• Human reproductive system.
• Reproductive health.

Heredity (5-6 marks)

• Mendel's laws and monohybrid cross.
• Sex determination in humans.
• DNA basics and genes.

The Punnett square and sex determination diagram are guaranteed in every paper.

Evolution (2-3 marks)

• Homologous and analogous organs.
• Fossils as evidence.
• Natural selection.

Our Environment (3-4 marks)

• Ecosystem, food chains, energy flow.
• Ozone depletion.
• Waste management.

Natural Resources (2-3 marks)

• Conservation of forests, water, minerals.
• Sustainable development.
• Biodiversity.

Paper II Priority Matrix

Tier 1 (Maximum focus): Nutrition, Transportation, Reproduction, Heredity = 21-26 marks combined

Tier 2 (Important): Respiration, Excretion, Control and Coordination, Our Environment = 15-19 marks combined

Tier 3 (Quick revision): Evolution, Natural Resources = 4-6 marks combined

Study Time Allocation

If you have 50 days before the SSC exams:

• Paper I Physics chapters: 10 days
• Paper I Chemistry chapters: 10 days
• Paper II Biology chapters: 15 days
• Revision + previous year papers: 10 days
• Internal assessment prep: 5 days

Biology needs more time because Paper II has more chapters and requires extensive diagram practice. However, Paper I has more numericals, so balance your time between calculation practice and diagram drawing.

Common Mistakes That Cost Marks

1. Studying from NCERT instead of the Telangana textbook. While concepts are similar, the state textbook has different chapter organization, examples, and activities. Exam questions are based on the state textbook.
2. Not practicing numericals in Paper I. Electricity and Light chapters together carry 14-17 marks in Paper I, and about half of those are numericals. Do at least 20 problems per chapter.
3. Ignoring diagram marks in Paper II. Section IV of Paper II is entirely diagram-based (5 marks). The heart, nephron, flower, and neuron diagrams are the most common. Always label every part clearly.
4. Poor time management. Each paper is 50 marks in about 2 hours 45 minutes. Do not spend more than 5 minutes on any single question. If stuck, move on and come back later.
5. Writing paragraph answers for short questions. For 2-mark questions, write 2-3 lines maximum. For 4-mark questions, write 4-5 points. Being concise helps you finish on time.

Scoring Strategy

Target for both papers:

Paper I (Physical Science, target 40/50):

• Very Short: 8/10
• Short Answer: 16/20
• Long Answer: 12/15
• Numerical/Diagram: 4/5

Paper II (Biological Science, target 40/50):

• Very Short: 8/10
• Short Answer: 16/20
• Long Answer: 12/15
• Diagram: 4/5

Combined target: 80/100 for Science.

For more Telangana Board resources, check out our Telangana Board Class 10 Maths chapter-wise marks weightage and the Telangana and AP Board Class 10 guide.

Frequently Asked Questions

How many Science papers are there in Telangana Board Class 10?

There are two Science papers: Paper I (Physical Science covering Physics and Chemistry, 50 marks) and Paper II (Biological Science covering Biology, 50 marks). Both papers are held on separate days. The total Science score is 100 marks.

Is the Telangana Board Science syllabus the same as AP Board?

The syllabus is very similar since both Telangana and Andhra Pradesh boards were part of the same system until 2014. The state textbook content overlaps significantly. However, the exam pattern and question paper format may have minor differences. Always check the latest TSBSE circular for your specific board.

What is the passing mark for Telangana Board Science?

You need to score at least 35% in each paper separately. That means at least 18 out of 50 in Paper I and 18 out of 50 in Paper II. Both papers must be passed independently.

Which chapters carry the most marks in Physical Science?

Electricity (6-7 marks), Chemical Reactions (5-6 marks), Acids Bases and Salts (5-6 marks), and the combined Light chapters (8-10 marks) are the highest-scoring areas. Together they carry 25-29 marks out of 50 in Paper I.

How important are diagrams in the Biological Science paper?

Very important. Paper II has a dedicated diagram section worth 5 marks, and long-answer questions also require diagrams worth 3-5 marks each. Overall, diagrams can carry 10-15 marks in Paper II. Practice the heart, nephron, digestive system, flower, neuron, and reproductive organ diagrams repeatedly.

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