Class 10 Science MCQs Chapter-wise with Answers – CBSE Term 1 Prep (2025)

      Class 10 Science MCQs Chapter-wise with               Answers – CBSE Term 1 Prep (2025)


Ace Your Exams with Class 10 Science MCQs Chapter-wise with Answers – CBSE Term 1 Prep (2025)

Looking for the best study material to boost your CBSE Class 10 Science preparation for Term 1 exams 2025? Download or practice chapter-wise Class 10 Science MCQs with answers, designed as per the latest CBSE syllabus and exam pattern. This resource covers all chapters—Chemical Reactions, Acids Bases and Salts, Life Processes, Light – Reflection and Refraction, and more. Ideal for quick revision, self-assessment, and mastering objective-type questions. Get exam-ready with our curated CBSE Class 10 Science MCQ questions and answers (2025) and improve your score in Term 1!

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Class 10 Science MCQs Chapter-wise with Answers – CBSE Term 1 Prep (2025)

Prepare for your Class 10 CBSE Term 1 Science Exam 2025 with our chapter-wise multiple-choice questions (MCQs). These MCQs are designed as per the latest CBSE Syllabus 2025, following the competency-based question pattern. Use these MCQs with answers for fast revision, self-assessment, and boosting confidence before the exam.

📘 Chapter 1: Chemical Reactions and Equations – MCQs

1. Which of the following is a displacement reaction?
A) 2H₂ + O₂ → 2H₂O
B) Cu + AgNO₃ → Cu(NO₃)₂ + Ag
C) NaCl + AgNO₃ → NaNO₃ + AgCl
D) CaCO₃ → CaO + CO₂
Answer: B

2. What is observed when zinc reacts with dilute HCl?
A) No reaction
B) Hydrogen gas is evolved
C) Chlorine gas is evolved
D) A white precipitate forms
Answer: B

📘 Chapter 2: Acids, Bases and Salts – MCQs

1. Which of the following is a strong base?
A) Ammonium hydroxide
B) Sodium hydroxide
C) Magnesium hydroxide
D) Calcium hydroxide
Answer: B

2. The pH of a basic solution is:
A) Less than 7
B) Equal to 7
C) More than 7
D) Cannot be determined
Answer: C

📘 Chapter 3: Metals and Non-Metals – MCQs

1. Which metal is stored in kerosene?
A) Iron
B) Copper
C) Sodium
D) Aluminium
Answer: C

2. Which of the following non-metals is a good conductor of electricity?
A) Sulphur
B) Phosphorus
C) Graphite
D) Iodine
Answer: C

📘 Chapter 4: Carbon and Its Compounds – MCQs

1. Which of the following is not a hydrocarbon?
A) Methane
B) Ethanol
C) Ethene
D) Ethyne
Answer: B

2. Which statement is true about covalent bonding?
A) Electrons are transferred
B) Electrons are shared
C) Only metals participate
D) Ions are formed
Answer: B

📘 Chapter 5: Periodic Classification of Elements – MCQs

1. Modern Periodic Table is based on:
A) Atomic mass
B) Atomic number
C) Number of neutrons
D) Number of electrons
Answer: B

2. Elements in the same group have:
A) Same atomic number
B) Same number of shells
C) Same valence electrons
D) Different chemical properties
Answer: C

📘 Chapter 6: Life Processes – MCQs

1. Which of the following is a plant hormone?
A) Insulin
B) Auxin
C) Glucagon
D) Adrenaline
Answer: B

2. The basic unit of kidney is called:
A) Alveoli
B) Neuron
C) Nephron
D) Nephritis
Answer: C

📘 Chapter 7: Control and Coordination – MCQs

1. Reflex actions are controlled by:
A) Brain
B) Spinal cord
C) Cerebellum
D) Medulla
Answer: B

2. Which hormone is responsible for growth in plants?
A) Gibberellin
B) Insulin
C) Thyroxine
D) Estrogen
Answer: A

📘 Chapter 8: How Do Organisms Reproduce? – MCQs

1. Which of the following is asexual reproduction?
A) Pollination
B) Binary fission
C) Fertilization
D) Embryo development
Answer: B

2. The number of chromosomes in human gametes is:
A) 23
B) 46
C) 44
D) 22
Answer: A

📘 Chapter 9: Heredity and Evolution – MCQs

1. Genes are made up of:
A) RNA
B) Proteins
C) DNA
D) Lipids
Answer: C

2. Who is known as the father of genetics?
A) Darwin
B) Mendel
C) Watson
D) Lamarck
Answer: B

📘 Chapter 10: Light – Reflection and Refraction – MCQs

1. The focal length of a plane mirror is:
A) Infinite
B) Zero
C) Negative
D) Cannot be determined
Answer: A

2. In concave mirrors, the image formed is real and inverted when the object is placed:
A) At focus
B) Between pole and focus
C) Beyond the center of curvature
D) Between focus and center of curvature
Answer: D

📘 Chapter 11: Human Eye and the Colourful World – MCQs

1. Myopia can be corrected by using:
A) Convex lens
B) Concave lens
C) Plane mirror
D) Cylindrical lens
Answer: B

2. The splitting of white light into its component colors is called:
A) Dispersion
B) Refraction
C) Reflection
D) Scattering
Answer: A

📘 Chapter 12: Electricity – MCQs

1. SI unit of electric current is:
A) Ohm
B) Volt
C) Ampere
D) Watt
Answer: C

2. What happens to resistance when the length of a wire is doubled?
A) Doubled
B) Halved
C) Tripled
D) Remains same
Answer: A

📘 Chapter 13: Magnetic Effects of Electric Current – MCQs

1. Magnetic field lines inside a bar magnet:
A) Are parallel
B) Intersect each other
C) Go from north to south
D) Go from south to north
Answer: D

2. The device used to measure electric current is:
A) Voltmeter
B) Ammeter
C) Galvanometer
D) Potentiometer
Answer: B

📘 Chapter 14: Sources of Energy – MCQs

1. Which is a non-renewable source of energy?
A) Solar energy
B) Wind energy
C) Coal
D) Biogas
Answer: C

2. The major disadvantage of nuclear energy is:
A) Cost
B) Safety
C) Portability
D) Storage
Answer: B

📘 Chapter 15: Our Environment – MCQs

1. The ozone layer is damaged by:
A) CO₂
B) CFCs
C) O₂
D) CH₄
Answer: B

2. Which of the following is biodegradable?
A) Plastic
B) Polythene
C) Paper
D) Glass
Answer: C

📘 Chapter 16: Management of Natural Resources – MCQs

1. The Chipko Movement is related to:
A) River conservation
B) Forest conservation
C) Wildlife protection
D) Soil conservation
Answer: B

2. Water harvesting helps in:
A) Flooding
B) Erosion
C) Recharging groundwater
D) Pollution
Answer: C

✅ Final Tips for CBSE Class 10 Science MCQ Preparation 2025:

  • Focus on NCERT concepts – most Term 1 questions are directly based on NCERT.

  • Practice chapter-wise MCQs daily.

  • Use sample papers and previous year question papers.

  • Revise important definitions, formulas, and reaction types.

If you'd like this in a downloadable PDF format, or if you want to generate mock tests using these MCQs, just let me know!

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Great! Let’s continue with more CBSE Class 10 Science MCQs Chapter-wise with Answers – perfect for Term 1 2025 preparation. Below, we’ll provide additional practice MCQs, including higher-order thinking questions (HOTs) and competency-based questions aligned with the CBSE Class 10 Science syllabus 2025.

🔍 Advanced Practice: Chapter-wise HOTs & Competency-based MCQs

📘 Chapter 1: Chemical Reactions and Equations – HOTs MCQs

1. A brown-colored gas is released when lead nitrate is heated. This gas is:
A) Oxygen
B) Nitrogen
C) Nitrogen dioxide
D) Hydrogen
Answer: C

2. Which reaction is used in black and white photography?
A) Decomposition of AgBr
B) Combination of Ag and Br
C) Double displacement of AgNO₃
D) Oxidation of Ag
Answer: A

📘 Chapter 2: Acids, Bases and Salts – HOTs MCQs

1. Which of the following is used to neutralize acidic soil?
A) Lime water
B) Vinegar
C) Ammonia
D) Sodium carbonate
Answer: A

2. Which salt is formed by a strong acid and a weak base?
A) NaCl
B) NH₄Cl
C) KCl
D) CH₃COONa
Answer: B

📘 Chapter 3: Metals and Non-Metals – HOTs MCQs

1. Which non-metal is essential for combustion?
A) Hydrogen
B) Nitrogen
C) Oxygen
D) Carbon
Answer: C

2. Which of the following metals do not react with water at all?
A) Sodium
B) Magnesium
C) Copper
D) Calcium
Answer: C

📘 Chapter 4: Carbon and Its Compounds – Competency-Based MCQs

1. Which of the following statements is correct about the homologous series?
A) Same chemical properties, varying molecular formula
B) Different functional groups
C) Unrelated chemical behavior
D) Same molecular weight
Answer: A

2. Which compound can decolorize bromine water?
A) Ethanol
B) Ethene
C) Ethanoic acid
D) Methane
Answer: B

📘 Chapter 5: Periodic Classification – Competency-Based MCQs

1. The metallic character of elements increases in:
A) Across a period
B) Down a group
C) From right to left
D) Both B and C
Answer: D

2. Why is lithium more reactive than hydrogen?
A) Smaller atomic size
B) Less electropositive
C) Lower ionization energy
D) None of these
Answer: C

📘 Chapter 6: Life Processes – HOTs MCQs

1. Which process in plants involves both chlorophyll and sunlight?
A) Respiration
B) Transpiration
C) Photosynthesis
D) Translocation
Answer: C

2. Which enzyme is responsible for digesting proteins in the stomach?
A) Amylase
B) Trypsin
C) Pepsin
D) Lipase
Answer: C

📘 Chapter 7: Control and Coordination – Competency-Based MCQs

1. Which part of the brain maintains posture and balance?
A) Cerebrum
B) Cerebellum
C) Medulla
D) Pons
Answer: B

2. Which plant hormone is responsible for the ripening of fruit?
A) Cytokinin
B) Auxin
C) Ethylene
D) Gibberellin
Answer: C

📘 Chapter 8: How Do Organisms Reproduce? – HOTs MCQs

1. In vegetative propagation, new plants are formed from:
A) Flowers
B) Fruits
C) Roots, stems, or leaves
D) Seeds
Answer: C

2. Which part of the flower develops into the fruit?
A) Ovule
B) Petal
C) Ovary
D) Sepal
Answer: C

📘 Chapter 9: Heredity and Evolution – Competency-Based MCQs

1. Variation is useful in evolution because it:
A) Causes mutation
B) Prevents speciation
C) Helps in survival
D) Leads to cloning
Answer: C

2. If a trait is not inherited in the offspring, it is called:
A) Dominant
B) Acquired
C) Recessive
D) Genetic
Answer: B

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