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

An example of a bisexual organism is:
An example of plant hormone is:
Depletion of the ozone layer is due to:
Which hydrocarbon is the simplest compound?
The atomic number of gold is:
The maximum number of electrons in a shell is:
Which is the conventional source of energy?
Which of the following metals has the lowest melting point?
Which of the following is a salt?
The hardest natural substance is:
The amount of light entering the human eye is controlled by:
How many bonds are there between two atoms in a molecule of nitrogen?
How many crystalline allotropes of carbon are there?
The general formula of alkyne is:
Zinc blende is an ore of which metal?
Kilowatt-hour (kWh) is the unit of:
What is the color of silver iodide?
How many phosphates are there in ATP?
Which of the following is not an excretory organ of humans?
Which of the following compounds is a weak acid?
The smallest endocrine gland is:
All acids dissolve in water to give:
Why is the colour of some clouds white?
Kidney helps in:
Photosynthesis takes place during: