List of top Questions asked in Bihar Board Class X Exam

Which of the following is a natural resource?
Which of the following is a forest-based industry?
We can get iodine in adequate quantity from which of the following?
Which of the following is the primary source of energy in fossil fuels?
In which of the following forms is energy available in the oceans?
In which state is Tarapur Nuclear Power Plant located?
The substances that take part in a reaction are called
How many bonds are found between the two atoms of a molecule of oxygen gas (O$_2$)?
Elements from group 13 to 18 are called
Which of the following elements has the highest number of valence electrons?
Which of the following is a pollution-free source of energy?
Which of the following is responsible for the depletion of the ozone layer?
‘Ahar and Pyne’ is the water harvesting system of which state?
The IUPAC name of CH$_3$CH$_2$CH$_2$OH is
Which of the following is liquid at room temperature?
Benzene reacts with nitric acid in the presence of concentrated sulphuric acid to form
Which of the following compounds can be used as fuel?
Which of the following groups form the Dobereiner’s triad?
The molecular formula of ozone is
From which of the following does the induced current get direction?
The frequency of alternating electric current produced in India is
What will be the resistance of the wire when its length increases?
The electrical resistivity of silver at 20$^\circ$C is
Which gas is not released when fossil fuels are burnt?
Which of the following is the main component of biogas?