List of top Questions asked in JKBOSE Class X Board

Define Corrosion and Rancidity and suggest methods for their prevention.
Explain the difference between displacement and double displacement reactions with equations.
Balance the following chemical equations: \(H_2 + O_2 \rightarrow H_2O\) and \(NaOH + HCl \rightarrow NaCl + H_2O\).
Define Acids and Bases according to the Arrhenius theory.
What is the pH scale, and why is pH important in everyday life?
Write the chemical formula and two uses of Washing Soda and Plaster of Paris (POP).
Differentiate between Direct Current (DC) and Alternating Current (AC).
Calculate the focal length of a lens with power –2.0 D and identify its type.
Define electric power and derive the relation \(P = VI\).
Define 1 kilowatt-hour (kWh) and state its relationship with Joules.
Explain the causes and correction methods for Myopia (Short-sightedness) and Hypermetropia (Long-sightedness).
State Fleming’s Left-Hand Rule and Right-Hand Thumb Rule.
State Ohm's law and derive the mathematical expression for it.
Explain the refraction of light through a rectangular glass slab.
Define principal focus and focal length for a concave mirror.
Distinguish between a concave and a convex lens with their uses.
Define refractive index and state Snell’s law of refraction.
What steps did the French revolutionaries take to create a sense of collective identity among the French people?
Describe the important features of rice cultivation in India.
What are Minerals? Define them. What are the various metallic and non-metallic minerals found in J & K?
Handicraft and Handloom Industry in J & K and Reasons of its Slow Growth?
Define minerals. What are the major metallic and non-metallic minerals found in Jammu and Kashmir?
What steps can be taken to control soil erosion in hilly areas?
What is the role of community during the disaster?
What is the role of handicraft sector in employment generation in Jammu and Kashmir?