NEET / AIIMS · Practice Sheet 20

1. 1.

   Quantitative Aptitude

   A vehicle covers 342 km in 9 hours. Find its average speed.

   Formula:Speed, Distance & Time

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

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2. 2.

   Physics

   A force of 184 N acts on an area of 6 m². Find the pressure.

   Formula:Pressure

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

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3. 3.

   Physics

   A constant force of 72 N moves an object 40 m in the direction of the force. Calculate the work done.

   Formula:Work Done

   $W = F\,d$

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4. 4.

   Chemistry

   A solution is made by dissolving 12 g of solute in 141 g of solvent. Find the mass percentage of the solute.

   Formula:Mass Percentage

   $\%\,\text{mass} = \dfrac{\text{solute}}{\text{solution}}\times 100$

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5. 5.

   Chemistry

   How many moles are present in 250 g of calcium carbonate (CaCO₃) (molar mass = 100 g/mol)?

   Formula:Number of Moles

   $n = \dfrac{m}{M}$

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6. 6.

   Physics

   A force of 205 N acts on an area of 40 m². Find the pressure.

   Formula:Pressure

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

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7. 7.

   Physics

   Find the momentum of a 19 kg body moving at 12 m/s.

   Formula:Linear Momentum

   $p = mv$

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8. 8.

   Quantitative Aptitude

   Two fair dice are rolled. What is the probability that the sum of the numbers is 5?

   Formula:Probability (two dice)

   $P = \dfrac{\text{favourable}}{\text{total}}$

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9. 9.

   Biology

   Under a microscope, an object of actual size 2.7 mm appears 218.7 mm. Find the magnification.

   Formula:Microscope Magnification

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

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10. 10.

    Biology

    In a monohybrid cross (Aa × Aa) producing 156 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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11. 11.

    Biology

    In a population at Hardy–Weinberg equilibrium, the recessive allele frequency q = 0.1. 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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12. 12.

    Physics

    Calculate the potential energy of a 45 kg object at a height of 12 m (g = 9.8 m/s²).

    Formula:Gravitational Potential Energy

    $PE = mgh$

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13. 13.

    Chemistry

    How many moles are present in 117 g of sodium chloride (NaCl) (molar mass = 58.5 g/mol)?

    Formula:Number of Moles

    $n = \dfrac{m}{M}$

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14. 14.

    Physics

    If 3,374 J of work is done in 40 s, find the power.

    Formula:Power

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

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15. 15.

    Quantitative Aptitude

    Two fair dice are rolled. What is the probability that the sum of the numbers is 4?

    Formula:Probability (two dice)

    $P = \dfrac{\text{favourable}}{\text{total}}$

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16. 16.

    Chemistry

    Find the pressure of 1 mol of an ideal gas at 231 K in a 2 L container (R = 0.0821 L·atm·mol⁻¹·K⁻¹).

    Formula:Ideal Gas Law

    $PV = nRT$

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17. 17.

    Physics

    Calculate the potential energy of a 47 kg object at a height of 28 m (g = 9.8 m/s²).

    Formula:Gravitational Potential Energy

    $PE = mgh$

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18. 18.

    Physics

    Find the momentum of a 31 kg body moving at 17 m/s.

    Formula:Linear Momentum

    $p = mv$

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19. 19.

    Biology

    Calculate the BMI of a person weighing 75 kg with height 1.58 m.

    Formula:Body Mass Index

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

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20. 20.

    Chemistry

    Find the pH of a solution with [H⁺] = 1×10⁻5 mol/L.

    Formula:pH of a Solution

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

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