List of top Questions asked in Bihar Board X - 2024

The electronic configuration of an element is 2, 8, 7. What is the atomic number of the element?
Duralumin is an alloy of which metal?
The molecular formula of sodium phosphate is:
In which of the following organisms does asexual reproduction occur through budding?
An example of plant hormone is:
Vegetative propagation in potato takes place by:
Hydrilla is found:
Systolic blood pressure of a healthy person is:
An example of a bisexual organism is:
In fish, respiration takes place through:
Which is the conventional source of energy?
The maximum number of electrons in a shell is:
Which hydrocarbon is the simplest compound?
Which of the following metals has the lowest melting point?
The atomic number of gold is:
Which of the following is a salt?
Depletion of the ozone layer is due to:
The hardest natural substance is:
How many crystalline allotropes of carbon are there?
Zinc blende is an ore of which metal?
How many bonds are there between two atoms in a molecule of nitrogen?
The general formula of alkyne is:
Kilowatt-hour (kWh) is the unit of:
The amount of light entering the human eye is controlled by:
How many phosphates are there in ATP?