List of top Science Questions asked in Bihar Board X

The change in body that occurs during adolescence is due to:
The body is balanced by the organ:
The chemical formula of chalk is:
Which among the following is responsible for clotting of blood?
Binary fission is found in:
What is present in cathode rays?
Iodized salt is:
What is the chemical name of Plaster of Paris?
Which mode of nutrition is found in fungi?
An example of a parasitic plant is:
Which of the following is the male gamete?
The commercial production of ethyl alcohol is done by which chemical process?
Which one of the following is a covalent compound?
Which of the following is a good conductor of electricity?
The atomic number of magnesium is 12. What is its valency?
Which of the following metals is displaced from its salt solution by iron?
An aqueous solution of ammonium chloride is:
What is the chemical formula of quicklime?
On moving from right to left across the period of the modern periodic table, the atomic size:
What is a food chain? Explain it with an example.
The chemical substance used as a cast for setting broken bones in surgery is:
Draw a labelled diagram of human digestive system and explain the digestive process of food.
When magnesium ribbon is ignited, the flame produced by it is:
Zn + CuSO$_4$ $\rightarrow$ ZnSO$_4$ + Cu, the above reaction is an example of:
The molecular formula of ethane is C$_2$H$_6$. It has: