List of top Science Questions asked in Bihar Board X

Which of the following substances is a conductor?
Which disease is related to the respiratory system?
Which part of food is digested in the buccal cavity?
Blood pressure is controlled by which of the following?
The sugar level in blood is controlled by which of the following?
Which is the longest cell in the human body?
Pollen grains are formed in which of the following?
In which of the following binary fission does not occur?
Which of the following is the chemical formula of glucose?
The atomic number of sodium is:
Which one of the following is a clean energy source?
The word 'Gene' was coined by:
Within which pH range does our body work?
The general formula of an alkene is:
Which of the following gases is used in welding?
Why is a rainbow colourful?
The absolute refractive index of air is actually:
Mirror used by ENT (Ear-Nose-Throat) doctor is:
The device which directly converts solar energy into electricity is:
The resistance of the filament of an electric bulb is 1200 ohms. How much electric current will the bulb draw from an electric source of 220 volts?
The electromotive force of a cell is 1.5 V. The work done on passing a charge of 1 C will be:
In which device does the split ring act as a commutator?
Wilting of leaves is due to which phytohormone?
Gibberellin is:
The radius of curvature of a concave mirror of focal length 20 cm is: