List of top Science Questions asked in Bihar Board Class X Exam

Which of the following is a forest-based industry?
The substances that take part in a reaction are called
Which of the following is a natural resource?
In which of the following forms is energy available in the oceans?
Which of the following is the primary source of energy in fossil fuels?
In which state is Tarapur Nuclear Power Plant located?
Elements from group 13 to 18 are called
How many bonds are found between the two atoms of a molecule of oxygen gas (O$_2$)?
Which of the following elements has the highest number of valence electrons?
Which of the following is a pollution-free source of energy?
‘Ahar and Pyne’ is the water harvesting system of which state?
Which of the following is responsible for the depletion of the ozone layer?
Which of the following compounds can be used as fuel?
Which of the following is liquid at room temperature?
Benzene reacts with nitric acid in the presence of concentrated sulphuric acid to form
The IUPAC name of CH$_3$CH$_2$CH$_2$OH is
The molecular formula of ozone is
Which of the following groups form the Dobereiner’s triad?
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
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
From which of the following does the induced current get direction?