Verified Solution • 2025–26 Session moderate

QJEEM25Ch3dbd: JEE Main 2025 Chemistry - Class 12 JEEM25Ch3dbd Solution: For bacterial growth in a cell culture, growth law is very…

For bacterial growth in a cell culture, growth law is very similar to the law of radioactive decay. Which of the following graphs is most suitable to represent bacterial colony growth ?

Where N - Number of Bacteria at any time, N0\mathrm{N}_0 - Initial number of Bacteria.

Multiple Choice Options

  • A https://ik.imagekit.io/novatra/photos/f26e824bcde204d3b1f5f1c4de3951a8c4abf9d17eb208b7901c13803d51e5b5.webp
  • B https://ik.imagekit.io/novatra/photos/f088eced7de80eca92c9a2748b5708e9890b3356011e402f79a17745ee9f0dee.webp
  • C https://ik.imagekit.io/novatra/photos/5a8f8d88a6529c2b12ec0753e30545f21de3d1b5c9413ee4570ab9856ea4a3f3.webp
  • D https://ik.imagekit.io/novatra/photos/4a76aa84d069aa265212a818ae269ec117d68ff3c9c7be2eace4a0623e83f77e.webp

Step-by-Step Verified Solution

Because no. of bacteria initial =N0=\mathrm{N}_0 and No. of bacteria at any time t=N\mathrm{t}=\mathrm{N}

Since bacterial growth is given as

N=N0eKt\mathrm{N}=\mathrm{N}_0 \mathrm{e}^{\mathrm{Kt}}

Where K = growth constant for bacterial growth

JEE Main 2025 (Online) 28th January Evening Shift Chemistry - Chemical Kinetics and Nuclear Chemistry Question 8 English Explanation

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