List of top Questions asked in Bihar Board X - 2025

Which of the following compounds can be used as fuel?
What will be the resistance of the wire when its length increases?
Tincture iodine solution is prepared in
The frequency of alternating electric current produced in India is
From which of the following does the induced current get direction?
Which gas is not released when fossil fuels are burnt?
Which of the following is the main component of biogas?
The electrical resistivity of silver at 20$^\circ$C is
Which disease may primarily be caused in humans by ultraviolet (UV) rays of the Sun?
Which quantity is electric potential?
The correct food chain is
The substances which get decomposed by biological process are
Waste can be managed by which of the following?
The action of an electric motor is based on
Which substance cannot be decomposed in the environment?
At what stage of foetus does safe abortion occur?
Which of the following is an artificial ecosystem?
The hormone that controls the symptoms of puberty in adolescents is
Discuss the importance and conservation of minerals.
What are the objectives of the development of river valley projects?
Explain the importance of the means of transportation and communication in the development of the Indian economy.
What is meant by contour farming?
What is meant by biodiversity?
Mention any two solutions to solve the problem of land degradation.
Mention two factors for the localization of industries.