NEET / AIIMS · Practice Sheet 23

1. 1.

   Chemistry

   How many moles are present in 200 g of calcium carbonate (CaCO₃) (molar mass = 100 g/mol)?

   Formula:Number of Moles

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

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2. 2.

   Biology

   Calculate the BMI of a person weighing 54 kg with height 1.7 m.

   Formula:Body Mass Index

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

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3. 3.

   Chemistry

   Find the molarity of a solution containing 1 mol of solute in 0.5 L of solution.

   Formula:Molarity

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

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4. 4.

   Physics

   Find the force required to accelerate a 42 kg mass at 18 m/s².

   Formula:Newton's Second Law (F = ma)

   $F = ma$

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5. 5.

   Physics

   A constant force of 107 N moves an object 25 m in the direction of the force. Calculate the work done.

   Formula:Work Done

   $W = F\,d$

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6. 6.

   Biology

   In a monohybrid cross (Aa × Aa) producing 28 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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7. 7.

   Physics

   Find the kinetic energy of a 3 kg object moving at 28 m/s.

   Formula:Kinetic Energy

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

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8. 8.

   Chemistry

   A solution is made by dissolving 25 g of solute in 104 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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9. 9.

   Physics

   A constant force of 71 N moves an object 17 m in the direction of the force. Calculate the work done.

   Formula:Work Done

   $W = F\,d$

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10. 10.

    Quantitative Aptitude

    A vehicle covers 531 km in 9 hours. Find its average speed.

    Formula:Speed, Distance & Time

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

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11. 11.

    Physics

    Find the density of an object with mass 294 g and volume 26 cm³.

    Formula:Density

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

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12. 12.

    Physics

    Find the force required to accelerate a 45 kg mass at 9 m/s².

    Formula:Newton's Second Law (F = ma)

    $F = ma$

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13. 13.

    Physics

    A constant force of 11 N moves an object 6 m in the direction of the force. Calculate the work done.

    Formula:Work Done

    $W = F\,d$

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14. 14.

    Chemistry

    How many moles are present in 54 g of water (H₂O) (molar mass = 18 g/mol)?

    Formula:Number of Moles

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

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15. 15.

    Biology

    Calculate the BMI of a person weighing 56 kg with height 1.73 m.

    Formula:Body Mass Index

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

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16. 16.

    Physics

    A constant force of 63 N moves an object 35 m in the direction of the force. Calculate the work done.

    Formula:Work Done

    $W = F\,d$

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17. 17.

    Chemistry

    Find the molarity of a solution containing 3 mol of solute in 2.5 L of solution.

    Formula:Molarity

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

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18. 18.

    Physics

    Find the electrical power when 83 V drives a current of 19 A.

    Formula:Electrical Power

    $P = VI$

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19. 19.

    Physics

    If 2,627 J of work is done in 42 s, find the power.

    Formula:Power

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

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20. 20.

    Chemistry

    Find the molarity of a solution containing 2.5 mol of solute in 0.5 L of solution.

    Formula:Molarity

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

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