List of top Questions asked in MPBSE Class XII Board- 2026

Calculate the mass percentage of benzene if 22 g of benzene is dissolved in 122 g of carbon tetrachloride.
Acetylation of salicylic acid produces:
Total number of elements are in d-block is __________.
For a chemical reaction with rise in temperature by \(10^\circ C\) the rate constant is nearly:
How much charge is required for the 1 mol \( \mathrm{Al^{3+}} \) to Al?
The pressure of solution that just prevents the flow of solvent is called:
Solve for \( x \): \( \log(x) + \log(5) = \log(20) \).
Write the formula for the Volume of a Cube and the area of a Triangle.
Calculate the Arithmetic Mean for the following data set: Class Interval: 0–10, 10–20, 20–30, 30–40, 40–50 Frequency: 5, 8, 15, 10, 2
Write the floral formula and two economic uses for plants in the Solanaceae family.
Describe the structure of a Neuron or the detailed process of Photosynthesis.
Who is considered the "Father of Genetics"? Explain Mendel's Law of Segregation.
Give the chemical formula for Urea and explain its role as a nitrogenous fertilizer.
Write the preparation method and any three industrial uses of Ethyl Alcohol or Methyl Alcohol.
List four ways to protect crops from frost (Pala), such as irrigation or creating smoke.
Define Refractive Index. Differentiate between real and virtual images formed by a lens.
Explain Coulomb's Inverse Square Law regarding the force between two magnetic poles.
State the Work-Energy Theorem and provide its mathematical proof.