Last Updated: September 2026 |
Target Audience: Class 9 & 10 Students |
Curriculum Mapping: Federal Board (FBISE) & Punjab Boards |
Subjects : Mathematics, Physics, Chemistry, Biology |

Academic Science Quiz Portal

Comprehensive Practice for Class 9 and 10 Science Syllabi

Welcome to the Academic Science Quiz hub of sscquizhub.com. Designed specifically for Class 9 and Class 10 students, our platform features an extensive repository of multiple-choice questions mapped directly to the curricula of the Federal Board (FBISE) and Punjab Boards.

Whether you are preparing for board exams or competitive assessments, our database covers core subjects including Physics, Chemistry, Biology, and General Science. Each question is accompanied by detailed explanations to reinforce conceptual clarity and objective-testing strategies.

Available Subject Modules & Coverage

  • Physics (Class 9 & 10): Covers Kinematics, Dynamics, Work & Energy, Waves, Geometrical Optics, Electrostatics, and Current Electricity.
  • Chemistry (Class 9 & 10): Covers Atomic Structure, Periodic Table, Chemical Bonding, Solutions, Electrochemistry, and Acids/Bases.
  • Biology (Class 9 & 10): Covers Cell Biology, Bioenergetics, Nutrition, Gas Exchange, Homeostasis, and Genetics.
  • General Science: Foundation modules focusing on integrated scientific principles and everyday science.

🔍 Question Validation & Quality Assurance: To ensure high academic accuracy, our question bank goes through a rigorous multi-tier validation pipeline. Questions are initially processed using advanced AI modules to check logical consistency, followed by verification against standard curriculum textbooks and authoritative online resources via Google. Detailed explanations are made available to help students learn from each attempt.

💡 Study Tip: For optimal retention, use these quizzes in tandem with your textbook chapters. Read the relevant chapter, complete a targeted test, and review the explanations for any missed questions.

Choose a subject below to begin your practice:

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1. Physics

Master kinematics, dynamics, work and energy, thermodynamics, and electromagnetism.

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2. Chemistry

Test your grasp on organic, inorganic, and physical chemistry to ensure no topic is left unprepared.

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3. Biology

Evaluate your knowledge of the entire living world, from cell biology to human physiology.

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4. General Science

Challenge yourself with complete problem sets covering foundational science concepts.

⚙️ INTERACTIVE QUIZ SETUP

📂 Available Academic Question Bank Coverage

Our academic database is structured by grade level and textbook chapters to support board exam preparation and conceptual mastery:

Class 10 Biology: 7 Chapters (342+ MCQs)
Class 10 Chemistry: 5 Chapters (209+ MCQs)
Class 10 Mathematics: 12 Chapters (1014+ MCQs)
Class 10 Physics: 7 Chapters (509+ MCQs)
Class 11 Mathematics: 9 Chapters (2727+ MCQs)
Class 11 Physics: 11 Chapters (1983+ MCQs)
Class 9 Biology: 13 Chapters (1009+ MCQs)
Class 9 Chemistry: 14 Chapters (1141+ MCQs)
Class 9 Mathematics: 16 Chapters (1004+ MCQs)
Class 9 Physics: 9 Chapters (722+ MCQs)
Class General General: 1 Chapters (199+ MCQs)

📚 Solved Academic MCQs & Concept Explanations – 10 | Mathematics | Chapter 4: Partial Fractions

Study these curriculum-aligned objective questions with verified answers and step-by-step explanations below, or use the interactive quiz configurator above to launch a customized test.

🏫 Class: 9 📘 Subject: Chemistry 🔖 Chapter: Solutions ⚙️ Level: Moderate

Q1Nature of a concave mirror image?

A. Real, inverted ✓ Correct Answer
B. Virtual, erect
C. Real, diminished
D. Virtual, behind mirror
💡 Explanation: A concave mirror forms a real, inverted image when the object is at the centre of curvature; the reflected rays converge at that point.
🏫 Class: 10 📘 Subject: Biology 🔖 Chapter: Gaseous Exchange ⚙️ Level: Moderate

Q2What is true about a singular matrix?

A. Determinant = 0, no inverse ✓ Correct Answer
B. Determinant ≠ 0, inverse exists
C. Determinant = 0, inverse exists
D. Determinant ≠ 0, no inverse
💡 Explanation: A singular matrix has determinant zero, making the inverse undefined because it would require division by zero.
🏫 Class: 9 📘 Subject: Mathematics 🔖 Chapter: Matrices and Determinants ⚙️ Level: Moderate

Q3What is the role of water photolysis in photosynthesis?

A. Provides electrons and releases O₂ ✓ Correct Answer
B. Captures carbon to fix glucose
C. Synthesizes ATP without electron transport
D. Provides energy for the Calvin cycle
💡 Explanation: Photolysis splits water into electrons, protons and O₂; the electrons replace those lost by chlorophyll in Photosystem II.
🏫 Class: 9 📘 Subject: Biology 🔖 Chapter: Bioenergetics ⚙️ Level: Moderate

Q4According to Boyle's Law, what happens to the pressure when the volume is reduced to one‑third at constant temperature?

A. Pressure triples ✓ Correct Answer
B. Pressure drops to one‑third
C. Pressure becomes nine times
D. Pressure stays the same
💡 Explanation: Boyle's Law states P∝1/V, so P1V1=P2V2. With V2=V1/3, P2=3P1, i.e., pressure triples.
🏫 Class: 9 📘 Subject: Chemistry 🔖 Chapter: Physical States of Matter ⚙️ Level: Moderate

Q5What is the fundamental difference between EMF and PD?

A. EMF: energy per coulomb; PD: energy used per coulomb ✓ Correct Answer
B. EMF not measured in volts; PD is
C. No difference
D. Incorrect definitions
💡 Explanation: EMF is the maximum potential difference of a source when no current flows, whereas PD is the work done moving charge between two points.
🏫 Class: 10 📘 Subject: Physics 🔖 Chapter: Current Electricity ⚙️ Level: Moderate

Q6If the quadratic px^2+qx+r=0 has equal roots, which condition must hold?

A. Discriminant q^2-4pr = 0 ✓ Correct Answer
B. Sum of roots equals product of roots
C. p equals r
D. Discriminant > 0
💡 Explanation: Equal roots occur only when the discriminant is zero, so q^2-4pr=0.
🏫 Class: 10 📘 Subject: Chemistry 🔖 Chapter: Organic Chemistry ⚙️ Level: Moderate

Q7What is the main function of the medulla oblongata?

A. Controls involuntary functions like breathing and heart rate ✓ Correct Answer
B. Processes visual and auditory inputs
C. Maintains posture and coordination
D. Handles conscious thought and memory
💡 Explanation: The medulla links the brain to the spinal cord and regulates vital involuntary functions such as respiration, blood pressure, and heart rate.
🏫 Class: 10 📘 Subject: Biology 🔖 Chapter: Coordination and Control ⚙️ Level: Moderate

Q8Which property uniquely identifies a colloid?

A. Tyndall effect ✓ Correct Answer
B. Settles
C. Transparent
D. Filtrable
💡 Explanation: Colloids show the Tyndall effect; their particles scatter light, unlike true solutions, and they do not settle like suspensions.
🏫 Class: 9 📘 Subject: Chemistry 🔖 Chapter: Solutions ⚙️ Level: Moderate

Q9What image forms at the center of curvature of a concave mirror?

A. Real and inverted ✓ Correct Answer
B. Virtual and upright
C. Real and upright
D. Virtual and inverted
💡 Explanation: At the center of curvature, reflected rays converge at the same point, producing a real, inverted image of equal size.
🏫 Class: 10 📘 Subject: Physics 🔖 Chapter: Geometrical Optics ⚙️ Level: Moderate

Q10What is the main function of alveolar surfactant?

A. Reduces surface tension to keep alveoli open ✓ Correct Answer
B. Transports O2 across membranes
C. Traps dust and pathogens
D. Thickens the respiratory surface
💡 Explanation: Surfactant lowers surface tension in the alveoli, preventing collapse during exhalation.
🏫 Class: 9 📘 Subject: Mathematics 🔖 Chapter: Matrices and Determinants ⚙️ Level: Moderate

Q11What is the role of water photolysis?

A. Provide electrons and O₂ ✓ Correct Answer
B. Capture CO₂
C. Absorb photons
D. Synthesize ATP
💡 Explanation: Photolysis splits water into protons, electrons, and O₂; the electrons replace those lost by chlorophyll in Photosystem II, essential for the light reactions.
🏫 Class: 9 📘 Subject: Biology 🔖 Chapter: Bioenergetics ⚙️ Level: Moderate

Q12According to Boyle's Law, what happens to the pressure when a gas's volume is reduced to one‑third at constant temperature?

A. Three times higher ✓ Correct Answer
B. One‑third lower
C. Nine times higher
D. No change
💡 Explanation: Boyle's Law states P∝1/V; cutting the volume to one‑third makes the pressure three times larger.
🏫 Class: 9 📘 Subject: Chemistry 🔖 Chapter: Physical States of Matter ⚙️ Level: Moderate

Q13Main difference between EMF and PD?

A. Total vs used energy ✓ Correct Answer
B. Force vs energy
C. Force and pressure difference
D. Provided and consumed power
💡 Explanation: EMF is the maximum potential difference of a source with no current (energy supplied), while PD is the work done moving charge between two points in a circuit.
🏫 Class: 10 📘 Subject: Physics 🔖 Chapter: Current Electricity ⚙️ Level: Moderate

Q14When px^2+qx+r=0 has equal roots, which condition must hold?

A. Discriminant q^2-4pr=0 ✓ Correct Answer
B. Sum of roots equals product of roots
C. Coefficient p equals constant r
D. Discriminant q^2-4pr>0
💡 Explanation: Equal real roots require the discriminant to be zero, so q^2-4pr=0.
🏫 Class: 10 📘 Subject: Mathematics 🔖 Chapter: Quadratic Equations ⚙️ Level: Moderate

Q15Which functional group defines a ketone?

A. C=O bonded to two carbons ✓ Correct Answer
B. C=O bonded to at least one hydrogen
C. Hydroxyl on an aliphatic chain
D. Carboxyl at a terminal carbon
💡 Explanation: A ketone contains a carbonyl (C=O) attached to two carbon atoms; attachment to hydrogen gives an aldehyde.
🏫 Class: 10 📘 Subject: Biology 🔖 Chapter: Coordination and Control ⚙️ Level: Moderate

Q16What is the projectile's acceleration at its highest point?

A. Downward ✓ Correct Answer
B. Horizontal forward
C. Zero
D. At a specific angle
💡 Explanation: At the top the vertical velocity is zero, but gravity still provides a constant downward acceleration g.
🏫 Class: 9 📘 Subject: Physics 🔖 Chapter: Kinematics ⚙️ Level: Moderate

Q17What is the total work done by gravity on a satellite in a circular orbit?

A. Zero (force perpendicular) ✓ Correct Answer
B. Positive
C. Negative
D. None of the above
💡 Explanation: Gravity points toward the center while the satellite moves tangentially, so the force is perpendicular to displacement and does no work over one orbit.
🏫 Class: 9 📘 Subject: Physics 🔖 Chapter: Dynamics ⚙️ Level: Hard

Q18If the distance between two point masses is halved, how does the gravitational force change?

A. 4× original ✓ Correct Answer
B. ¼ original
C. 2× original
D. ½ original
💡 Explanation: Force varies as 1/r²; halving r makes (1/(½)²)=4 times larger.
🏫 Class: 9 📘 Subject: Physics 🔖 Chapter: Work and Energy ⚙️ Level: Moderate

Q19What distinguishes specific heat capacity from heat capacity for a solid?

A. Defined per unit mass ✓ Correct Answer
B. Depends on total volume
C. Measured at standard room temperature
D. Only applies to phase changes
💡 Explanation: Heat capacity is the heat needed to raise the whole object's temperature by 1 K; specific heat capacity is expressed per unit mass (e.g., per 1 kg).
🏫 Class: 9 📘 Subject: Physics 🔖 Chapter: Gravitation ⚙️ Level: Moderate

Q20What happens when a ray in a denser medium hits the boundary at the critical angle?

A. The refracted ray travels along the boundary ✓ Correct Answer
B. It reflects back into the denser medium
C. It passes straight through the boundary
D. It bends sharply away
💡 Explanation: At the critical angle the refracted ray makes a 90° angle with the normal, so it skims the interface rather than entering the rarer medium.