CBSE 10 Science (CBSE Class 10 Science — Objective Practice) — Free Online Mock Test
CBSE Class 10 Science objective / competency-based MCQ practice across the full NCERT syllabus (chemical reactions, life processes, electricity, light, environment). 40 MCQ. · Official language: English & Hindi.
Intermediate
India
School & Pre-University
40 questions
50 min
50 distinct variants
Start free practice test →
CBSE 10 Science exam at a glance
CBSE 10 Science section breakdown
The CBSE 10 Science mock test on Wrexa Edge replicates the real exam's section structure — same names, same question count per section, same time limits. No inter-section breaks — the timer runs continuously.
CBSE 10 Science scoring & marking scheme
Strategy: CBSE 10 Science has no negative marking. Attempt every question — blank answers cost you potential marks but cannot pull your score down.
Scale: CBSE 10 Science (out of 40).
How CBSE 10 Science is conducted
Mode
Standard — practice without proctoring on Wrexa Edge, or enable optional webcam proctoring to simulate test-day conditions.
Test format
Linear / fixed-form — every candidate sees the same number of questions per section.
Backtracking
Allowed — you can revisit and change answers within a section.
Mark for review
Available — flag tough questions and return to them before submitting the section.
CBSE 10 Science time strategy
With 40 questions in 50 minutes, you have about 75 seconds per question on average. Successful candidates aim for the following pacing on each section:
Class 10 Science — Objective (40 Q)
Target ~75 sec/question. If a question takes more than 113 seconds, mark for review and move on.
Wrexa Edge's analytics show your actual time-per-question after every mock so you can spot which sections you're losing time on.
CBSE 10 Science topics covered
Across the 50 Wrexa Edge variants of CBSE 10 Science, the following topics appear most often (sample distribution from one variant):
Class 10 Science — Objective (40 Q)
- Science — Human Eye and Colourful World · 5
- Science — Metals and Non-metals · 4
- Science — Carbon and its Compounds · 4
- Science — Periodic Classification · 4
- Science — Life Processes · 4
- Science — Control and Coordination · 4
- Science — Reproduction · 4
- Science — Heredity and Evolution · 4
Sample CBSE 10 Science questions
A preview of real practice questions from the Wrexa Edge CBSE 10 Science bank — the same style, phrasing and difficulty you'll face on test day. Full solutions unlock free inside the mock.
Class 10 Science — Objective (40 Q) · Science — Acids, Bases and Salts
Q1. Bleaching powder is prepared by passing chlorine over:
Why: Correct answer: D — Dry slaked lime. Topic: Science — Acids, Bases and Salts.
Class 10 Science — Objective (40 Q) · Science — Metals and Non-metals
Q2. The most malleable and ductile metals among the following are typically:
Why: Correct answer: A — Gold and silver. Topic: Science — Metals and Non-metals.
Class 10 Science — Objective (40 Q) · Science — Metals and Non-metals
Q3. The non-metal that is a liquid at room temperature is:
Why: Correct answer: B — Bromine. Topic: Science — Metals and Non-metals.
Class 10 Science — Objective (40 Q) · Science — Metals and Non-metals
Q4. An alloy of copper and zinc is:
Why: Correct answer: C — Brass. Topic: Science — Metals and Non-metals.
Class 10 Science — Objective (40 Q) · Science — Metals and Non-metals
Q5. The reaction of a more reactive metal displacing a less reactive metal from its salt solution illustrates the:
Why: Correct answer: D — Reactivity series. Topic: Science — Metals and Non-metals.
Class 10 Science — Objective (40 Q) · Science — Carbon and its Compounds
Q6. The number of covalent bonds a carbon atom forms is:
Why: Correct answer: A — 4. Topic: Science — Carbon and its Compounds.
These are a handful of the 2000 unique CBSE 10 Science questions across all 50 Wrexa Edge variants — start a free mock to attempt the full set with instant scoring.
CBSE 10 Science difficulty calibration
Intermediate tier. Intermediate-level: assumes a working command of the syllabus. Most candidates need 2-4 months of focused prep.
CBSE Class 10 Science objective / competency-based MCQ practice across the full NCERT syllabus (chemical reactions, life processes, electricity, light, environment). 40 MCQ. · Official language: English & Hindi.
Verified content — Wrexa Edge's CBSE 10 Science bank has been deeply curated with real exam-aligned content (estimated 100% syllabus coverage).
How Wrexa Edge prepares you for CBSE 10 Science
Real test-day interface
Our sat skin mirrors the actual CBSE 10 Science testing software — same timer, palette, tools, and navigation.
50 distinct variants
2000 unique practice questions, each variant a fresh test — not just shuffled options.
Detailed analytics
Scaled score, section accuracy, topic-wise heatmap, time-per-question — see where to focus after every attempt.
Spaced repetition (Notebook)
Wrong answers and flagged questions flow into an SM-2 spaced-repetition deck so you actually retain what you learn.
Optional proctoring
Browser-based face-api detection (no install) — turn it on to simulate a high-stakes environment.
Free to start
No credit card. Sign up, pick a variant, and your first CBSE 10 Science mock starts in under a minute.
CBSE 10 Science study plan
A phase-by-phase roadmap from your first concept to test-ready. Stretch or compress each phase to fit the time you have before your attempt.
1
Phase 1 — Learn the syllabus
Weeks 1–4
- Work through every section — Class 10 Science — Objective (40 Q) — from your core study material
- Make short notes and a formula/fact sheet you can revise quickly
- Attempt topic questions right after finishing each area
2
Phase 2 — Practice & sectionals
Weeks 5–8
- Solve previous-year and practice questions section by section
- Time yourself on Class 10 Science — Objective (40 Q) and your weakest areas
- Keep an error log and revisit every mistake weekly
3
Phase 3 — Full-length mocks
Weeks 9–12
- Take full-length CBSE 10 Science mocks in the real test interface
- Analyse accuracy, time per question and silly mistakes after each mock
- Revise from notes and re-attempt only weak-topic questions
Where CBSE 10 Science can take you
A strong CBSE 10 Science result opens up these careers and higher-study paths:
College & university admission
A strong score strengthens applications to top undergraduate programmes and competitive entrance exams.
Scholarships & merit awards
High performers qualify for merit scholarships, honours tracks and early-admission schemes.
Foundation for competitive exams
Builds the core concepts that later feed into engineering, medical, and civil-service entrance tests.
Frequently asked questions
- What is the CBSE 10 Science exam pattern?
- CBSE Class 10 Science — Objective Practice contains 40 questions across 1 section: Class 10 Science — Objective (40 Q). Total duration is 50 minutes (about 75 seconds per question).
- Does CBSE 10 Science have negative marking?
- No — CBSE 10 Science has no negative marking. Each correct answer is worth 1 mark, so attempt every question.
- How is CBSE 10 Science scored?
- Scaled score range: 0 to 40. CBSE 10 Science (out of 40).
- How can I practise CBSE 10 Science online for free?
- Wrexa Edge gives you 10 free full-length CBSE 10 Science mock tests — with instant scoring, detailed explanations and analytics — plus 40 more with Pro. Start practising in under a minute, no card required.
- What is the difficulty level of CBSE 10 Science?
- CBSE 10 Science is rated Intermediate difficulty on Wrexa Edge. Intermediate-level: assumes a working command of the syllabus. Most candidates need 2-4 months of focused prep. CBSE Class 10 Science objective / competency-based MCQ practice across the full NCERT syllabus (chemical reactions, life processes, electricity, light, environment). 40 MCQ. · Official language: English & Hindi.
- How long is the CBSE 10 Science exam?
- CBSE 10 Science runs for 50 minutes total. On Wrexa Edge the timer is enforced exactly as on the real exam — including no inter-section breaks.
- What topics are covered in CBSE 10 Science?
- CBSE 10 Science is split into: Class 10 Science — Objective (40 Q). Each section is timed and weighted separately. CBSE Class 10 Science objective / competency-based MCQ practice across the full NCERT syllabus (chemical reactions, life processes, electricity, light, environment). 40 MCQ. · Official language: English & Hindi.
- What tools or aids are allowed during CBSE 10 Science?
- No special tools are required.
- Is the CBSE 10 Science test adaptive?
- No — CBSE 10 Science is a fixed-form (linear) test. Every candidate sees the same number of questions per section.
- How many CBSE 10 Science mock tests does Wrexa Edge offer?
- Wrexa Edge generates 50 distinct CBSE 10 Science variants — each with different question content, not just shuffled options — the first 10 free for everyone and 40 more with Pro. That's 2000 unique practice questions in the real test-day interface.
- Is there a free CBSE 10 Science test series 2026?
- Yes. The Wrexa Edge CBSE 10 Science test series for 2026 gives you 10 free full-length mock tests (50 in total) plus subject-wise and topic-wise tests — instant scoring and detailed analysis, no card required.
- Are CBSE 10 Science previous year question–style papers included?
- Every CBSE 10 Science mock is modelled on the official exam pattern and the style of previous years' papers — the same 40-question structure, sections and marking — so your practice mirrors the real paper you'll sit.
- Which is the best free CBSE 10 Science mock test online?
- Wrexa Edge's CBSE 10 Science mock test replicates the real exam interface, timing and marking scheme, with instant score, section-wise analysis and 50 fresh variants — a strong free choice for 2026 preparation.
- Can I take the CBSE 10 Science mock test on mobile?
- Yes. CBSE 10 Science mock tests run in any browser on mobile, tablet or desktop — no app or download needed. Start on your phone and your progress and analytics sync when you sign in.
- What is the CBSE 10 Science syllabus?
- The CBSE 10 Science syllabus maps to its 1 section: Class 10 Science — Objective (40 Q). Wrexa Edge's mock tests cover the complete syllabus topic by topic — see the topics-covered breakdown above — so you practise every area at real exam difficulty.
- What is the eligibility for CBSE 10 Science?
- Eligibility for CBSE 10 Science — age, qualification and number of attempts — is set by the official conducting body and can change each cycle, so always confirm the current official notification before applying. Wrexa Edge focuses on realistic CBSE 10 Science practice: 10 free full-length mocks in the exact exam pattern, ready whenever you are.
- When is the CBSE 10 Science exam and how should I prepare?
- Official CBSE 10 Science exam dates are announced by the conducting body for each cycle — check the latest notification for the current schedule. To be ready, follow a phased study plan and take full-length timed mocks; Wrexa Edge gives you 10 free CBSE 10 Science mocks with instant scoring so you can track your readiness week by week.
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