List of top Questions asked in Bihar Board X - 2025

The evolution of organisms by natural selection is called
The chemical which shows biomagnification is
Primary consumers are called
CFC is widely used in
The shape of methane molecule is
How many isomers of butane are possible ?
How many calories are there in 1 joule ?
What is the meaning of atavism ?
The unit of resistivity in a conductor is
Which of the following is an effective measure used in family planning?
The filament in an electric bulb is made of which of the following metals?
Plant hormone is called
The decreased accommodative ability of the eye causes
Which part of camera acts like the retina of the eye ?
For a healthy human eye, the near point and far point are respectively
To an astronaut standing on the moon, the sky appears to be
If the focal length of the lens is f and power is P then
An example of vegetative propagation through leaves is
The mechanism for removing harmful substances formed as a result of various activities from the body is called
From where does urea enter the blood ?
Where does glucose reabsorption occur?
What can happen due to spinal cord injury?
The largest gland in the human body is
Silicon is a/an
Double circulation is not found in