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

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