NEET / AIIMS · Practice Sheet 26

1. 1.

   Physics

   Find the electrical power when 181 V drives a current of 13 A.

   Formula:Electrical Power

   $P = VI$

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2. 2.

   Biology

   In a population at Hardy–Weinberg equilibrium, the recessive allele frequency q = 0.2. Find the dominant allele frequency p and the percentage of heterozygous carriers.

   Formula:Hardy–Weinberg Equilibrium

   $p + q = 1,\;\; 2pq = \text{carriers}$

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3. 3.

   Chemistry

   95 mL of a 1 M solution is diluted to 210 mL. Find the new concentration.

   Formula:Dilution

   $M_1V_1 = M_2V_2$

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4. 4.

   Biology

   Under a microscope, an object of actual size 1 mm appears 13 mm. Find the magnification.

   Formula:Microscope Magnification

   $M = \dfrac{\text{image size}}{\text{actual size}}$

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5. 5.

   Physics

   A body moving at 3 m/s accelerates at 5 m/s² for 5 s. Find the distance travelled.

   Formula:Equation of Motion (s = ut + ½at²)

   $s = ut + \tfrac{1}{2}at^{2}$

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6. 6.

   Chemistry

   Find the pH of a solution with [H⁺] = 1×10⁻2 mol/L.

   Formula:pH of a Solution

   $pH = -\log_{10}[H^{+}]$

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7. 7.

   Biology

   In a monohybrid cross (Aa × Aa) producing 92 F₂ offspring, how many are expected to show the dominant and the recessive phenotype (3:1 ratio)?

   Formula:Monohybrid Cross (3:1)

   $\text{Dominant}:\text{Recessive} = 3:1$

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8. 8.

   Quantitative Aptitude

   A vehicle covers 432 km in 8 hours. Find its average speed.

   Formula:Speed, Distance & Time

   $\text{Speed} = \dfrac{\text{Distance}}{\text{Time}}$

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9. 9.

   Physics

   If 1,244 J of work is done in 37 s, find the power.

   Formula:Power

   $P = \dfrac{W}{t}$

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10. 10.

    Physics

    Find the voltage across a 13 Ω resistor carrying a current of 2 A.

    Formula:Ohm's Law

    $V = IR$

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11. 11.

    Chemistry

    32 mL of a 1 M solution is diluted to 217 mL. Find the new concentration.

    Formula:Dilution

    $M_1V_1 = M_2V_2$

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12. 12.

    Physics

    A body moving at 5 m/s accelerates at 8 m/s² for 8 s. Find the distance travelled.

    Formula:Equation of Motion (s = ut + ½at²)

    $s = ut + \tfrac{1}{2}at^{2}$

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13. 13.

    Physics

    A force of 874 N acts on an area of 3 m². Find the pressure.

    Formula:Pressure

    $P = \dfrac{F}{A}$

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14. 14.

    Physics

    If 4,858 J of work is done in 44 s, find the power.

    Formula:Power

    $P = \dfrac{W}{t}$

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15. 15.

    Physics

    An object starts at 5 m/s and accelerates at 2 m/s² for 3 s. Find its final velocity.

    Formula:Equation of Motion (v = u + at)

    $v = u + at$

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16. 16.

    Biology

    Calculate the BMI of a person weighing 92 kg with height 1.61 m.

    Formula:Body Mass Index

    $BMI = \dfrac{m}{h^{2}}$

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17. 17.

    Quantitative Aptitude

    A vehicle covers 176 km in 4 hours. Find its average speed.

    Formula:Speed, Distance & Time

    $\text{Speed} = \dfrac{\text{Distance}}{\text{Time}}$

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18. 18.

    Physics

    A constant force of 58 N moves an object 50 m in the direction of the force. Calculate the work done.

    Formula:Work Done

    $W = F\,d$

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19. 19.

    Biology

    In a monohybrid cross (Aa × Aa) producing 120 F₂ offspring, how many are expected to show the dominant and the recessive phenotype (3:1 ratio)?

    Formula:Monohybrid Cross (3:1)

    $\text{Dominant}:\text{Recessive} = 3:1$

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20. 20.

    Chemistry

    Find the pressure of 5 mol of an ideal gas at 210 K in a 17 L container (R = 0.0821 L·atm·mol⁻¹·K⁻¹).

    Formula:Ideal Gas Law

    $PV = nRT$

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