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

Peristalsis movement is found in:
Which of the following is a salt?
Which of the following metals has the lowest melting point?
Which is the conventional source of energy?
The maximum number of electrons in a shell is:
The amount of light entering the human eye is controlled by:
Which hydrocarbon is the simplest compound?
Kilowatt-hour (kWh) is the unit of:
An example of a bisexual organism is:
Vegetative propagation in potato takes place by:
An example of plant hormone is:
Hydrilla is found:
Systolic blood pressure of a healthy person is:
In fish, respiration takes place through:
Why is the colour of some clouds white?
In which of the following organisms does asexual reproduction occur through budding?
The radius of curvature of the lens of an eye is controlled by:
Depletion of ozone layer is due to:
The SI unit of resistance is:
Which energy does a hydro-electric power plant convert into electric energy?
On moving from focus towards the pole, the magnification in a concave mirror:
The image of an ant in a concave mirror is erect and goes on increasing as the ant moves along the principal axis. The direction of motion of the ant is:
A rectangular coil of copper wire is rotated in a magnetic field. The direction of the induced current in the coil changes after:
The magnification produced by a concave mirror of focal length 10 cm is positive, if the value of object distance is:

The alloy consisting of 90% Cu and 10% Sn is named as