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Class 11 Punjab PECTAA Important MCQs 2026 – With Past Papers Pattern

Class 11 – Punjab PECTAA Boards

Important MCQs (Based on Previous Board Papers Pattern)

⚠️ Note: These MCQs follow common board patterns and frequently repeated concepts. Each MCQ now includes the correct answer in front for self‑checking. I can extend each subject to 100 MCQs on request.

✅ Physics (First Year) – Important MCQs (With Answers)

  1. SI unit of electric current is:
    A) Volt B) Ampere C) Ohm D) Coulomb
    Ans: B
  2. Dimension of force is:
    A) MLT⁻² B) ML²T⁻² C) M²LT⁻¹ D) LT⁻¹
    Ans: A
  3. Slope of velocity–time graph gives:
    A) Speed B) Acceleration C) Distance D) Momentum
    Ans: B
  4. Work done is zero when angle between force and displacement is:
    A) 0° B) 45° C) 90° D) 180°
    Ans: C
  5. Unit of momentum is:
    A) kg m s⁻² B) kg m s⁻¹ C) N m D) J
    Ans: B
  6. Escape velocity depends on:
    A) Mass only B) Radius only C) Both A & B D) None
    Ans: C
  7. Which is scalar quantity?
    A) Velocity B) Acceleration C) Speed D) Force
    Ans: C
  8. Newton’s third law relates to:
    A) Inertia B) Action–reaction C) Force D) Mass
    Ans: B
  9. Value of g on moon is about:
    A) 1.6 m/s² B) 3.2 m/s² C) 9.8 m/s² D) 0
    Ans: A
  10. Centripetal force acts:
    A) Outward B) Tangential C) Toward center D) Random
    Ans: C
  11. Frequency is reciprocal of:
    A) Speed B) Time period C) Wavelength D) Amplitude
    Ans: B
  12. Unit of frequency is:
    A) m/s B) Hz C) rad/s D) N
    Ans: B
  13. When body moves in circle, velocity changes due to:
    A) Speed change B) Direction change C) Mass change D) Force change
    Ans: B
  14. Projectile path is:
    A) Circle B) Straight line C) Parabola D) Ellipse
    Ans: C
  15. Torque is product of:
    A) Force × Time B) Force × Distance C) Mass × Velocity D) Power × Time
    Ans: B
  16. Moment of inertia depends on:
    A) Shape B) Mass distribution C) Axis D) All
    Ans: D
  17. Unit of power is:
    A) Joule B) Newton C) Watt D) Pascal
    Ans: C
  18. Energy of motion is:
    A) Potential B) Kinetic C) Thermal D) Chemical
    Ans: B
  19. Spring constant unit is:
    A) N/m B) kg/m C) J/m D) m/s²
    Ans: A
  20. Hooke’s law relates:
    A) Force and velocity B) Force and extension C) Energy and force D) Mass and acceleration
    Ans: B

✅ Chemistry (First Year) – Important MCQs (With Answers)

  1. Atomic number represents:
    A) Neutrons B) Protons C) Electrons D) Nucleons
    Ans: B
  2. Avogadro number is:
    A) 6.02×10²² B) 6.02×10²³ C) 6.02×10²⁴ D) 6.02×10²¹
    Ans: B
  3. Isotopes have same:
    A) Mass number B) Atomic number C) Neutrons D) Electrons only
    Ans: B
  4. Smallest particle of element is:
    A) Molecule B) Atom C) Ion D) Proton
    Ans: B
  5. pH of neutral solution is:
    A) 1 B) 5 C) 7 D) 9
    Ans: C
  6. Strong acid example:
    A) CH3COOH B) HCl C) H2CO3 D) NH4OH
    Ans: B
  7. Valency of oxygen is:
    A) 1 B) 2 C) 3 D) 4
    Ans: B
  8. Ionic bond formed by:
    A) Sharing B) Transfer C) Overlap D) Hybridization
    Ans: B
  9. Which is covalent compound?
    A) NaCl B) KBr C) H2O D) CaO
    Ans: C
  10. Catalyst changes:
    A) Products B) Reaction rate C) Equilibrium D) Heat
    Ans: B
  11. Oxidation means:
    A) Gain of electron B) Loss of electron C) Gain of proton D) Loss of proton
    Ans: B
  12. Reduction means:
    A) Gain of electron B) Loss of electron C) Gain of oxygen D) Loss of hydrogen
    Ans: A
  13. Empirical formula shows:
    A) Actual atoms B) Simplest ratio C) Molecular mass D) Structure
    Ans: B
  14. Period number shows:
    A) Valence electrons B) Energy levels C) Atomic mass D) Size
    Ans: B
  15. Noble gases are:
    A) Reactive B) Inert C) Toxic D) Acidic
    Ans: B
  16. Which has maximum electronegativity?
    A) O B) F C) Cl D) N
    Ans: B
  17. Rate of reaction increases with:
    A) Lower temp B) Lower surface area C) Higher temp D) No catalyst
    Ans: C
  18. Exothermic reaction releases:
    A) Energy B) Mass C) Pressure D) Volume
    Ans: A
  19. Which is alkali metal?
    A) Mg B) Ca C) Na D) Al
    Ans: C
  20. Molar mass of CO2 is:
    A) 28 B) 32 C) 44 D) 16
    Ans: C

✅ Mathematics (First Year) – Important MCQs (With Answers)

  1. Value of sin 30° is:
    A) 1 B) 1/2 C) √3/2 D) 0
    Ans: B
  2. cos²θ + sin²θ =
    A) 0 B) 1 C) 2 D) tanθ
    Ans: B
  3. Slope of line y=3x+5 is:
    A) 5 B) 3 C) 8 D) 1/3
    Ans: B
  4. Determinant of identity matrix is:
    A) 0 B) 1 C) -1 D) 2
    Ans: B
  5. |a| ≥ 0 for all real a is:
    A) True B) False C) Sometimes D) Undefined
    Ans: A
  6. If x²=9, then x =
    A) 3 B) -3 C) ±3 D) 0
    Ans: C
  7. Domain of polynomial is:
    A) R B) Z C) Q D) N
    Ans: A
  8. tan 45° equals:
    A) 0 B) 1 C) √3 D) ∞
    Ans: B
  9. Degree of polynomial x³+2x is:
    A) 1 B) 2 C) 3 D) 0
    Ans: C
  10. If determinant is zero, system is:
    A) Unique B) No solution C) Dependent D) Both B & C
    Ans: D
  11. Midpoint formula is:
    A) (x1+x2/2, y1+y2/2)
    B) (x1+x2, y1+y2)
    C) (x1−x2/2, y1−y2/2)
    D) (x1x2, y1y2)
    Ans: A
  12. log10 1 =
    A) 1 B) 10 C) 0 D) -1
    Ans: C
  13. Reciprocal of sinθ is:
    A) cosθ B) tanθ C) cosecθ D) secθ
    Ans: C
  14. If f(x)=x², then f(3)=
    A) 6 B) 9 C) 3 D) 12
    Ans: B
  15. Equation of vertical line is:
    A) y=mx+c B) x=a C) y=b D) x+y=0
    Ans: B
  16. Matrix with all zeros is:
    A) Identity B) Scalar C) Null D) Unit
    Ans: C
  17. a⁰ equals:
    A) a B) 0 C) 1 D) ∞
    Ans: C
  18. Distance between (0,0) and (3,4) is:
    A) 5 B) 7 C) 1 D) 4
    Ans: A
  19. Range of sinθ is:
    A) 0 to 1 B) -1 to 1 C) 1 to ∞ D) 0 to ∞
    Ans: B
  20. If lines are parallel, slopes are:
    A) Different B) Negative C) Equal D) Zero
    Ans: C

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