NEET / AIIMS · Practice Sheet 14

1. 1.

   Physics

   Find the kinetic energy of a 1 kg object moving at 25 m/s.

   Formula:Kinetic Energy

   $KE = \tfrac{1}{2}mv^{2}$

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2. 2.

   Chemistry

   Find the molarity of a solution containing 1 mol of solute in 2.5 L of solution.

   Formula:Molarity

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

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3. 3.

   Physics

   Find the voltage across a 33 Ω resistor carrying a current of 3 A.

   Formula:Ohm's Law

   $V = IR$

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4. 4.

   Chemistry

   How many moles are present in 16 g of oxygen gas (O₂) (molar mass = 32 g/mol)?

   Formula:Number of Moles

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

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5. 5.

   Chemistry

   Find the pH of a solution with [H⁺] = 5×10⁻4 mol/L.

   Formula:pH of a Solution

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

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6. 6.

   Chemistry

   32 mL of a 10 M solution is diluted to 226 mL. Find the new concentration.

   Formula:Dilution

   $M_1V_1 = M_2V_2$

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7. 7.

   Physics

   Find the momentum of a 29 kg body moving at 22 m/s.

   Formula:Linear Momentum

   $p = mv$

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8. 8.

   Physics

   Find the voltage across a 12 Ω resistor carrying a current of 7 A.

   Formula:Ohm's Law

   $V = IR$

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9. 9.

   Biology

   In a monohybrid cross (Aa × Aa) producing 72 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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10. 10.

    Physics

    Find the electrical power when 188 V drives a current of 18 A.

    Formula:Electrical Power

    $P = VI$

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11. 11.

    Biology

    Calculate the BMI of a person weighing 95 kg with height 1.46 m.

    Formula:Body Mass Index

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

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12. 12.

    Chemistry

    Find the pH of a solution with [H⁺] = 1×10⁻6 mol/L.

    Formula:pH of a Solution

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

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13. 13.

    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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14. 14.

    Biology

    In a population at Hardy–Weinberg equilibrium, the recessive allele frequency q = 0.5. 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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15. 15.

    Biology

    Under a microscope, an object of actual size 3 mm appears 204 mm. Find the magnification.

    Formula:Microscope Magnification

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

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16. 16.

    Biology

    Calculate the BMI of a person weighing 72 kg with height 1.64 m.

    Formula:Body Mass Index

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

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17. 17.

    Physics

    Find the density of an object with mass 380 g and volume 28 cm³.

    Formula:Density

    $\rho = \dfrac{m}{V}$

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18. 18.

    Physics

    If 1,686 J of work is done in 23 s, find the power.

    Formula:Power

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

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19. 19.

    Quantitative Aptitude

    A vehicle covers 350 km in 7 hours. Find its average speed.

    Formula:Speed, Distance & Time

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

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20. 20.

    Quantitative Aptitude

    Two fair dice are rolled. What is the probability that the sum of the numbers is 9?

    Formula:Probability (two dice)

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

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