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

Which mode of nutrition is found in fungi?
How many chambers are found in human heart?
The flow of energy in an ecosystem is:
According to evolutionary view, we are more similar to:
Fruit-ripening hormone is:
Which of the following is a heterogeneous compound?
Mushroom is:
The molecular formula of ozone is:
Which of the following ions can turn red litmus paper blue?
The hardest natural substance is:
The reaction in which ions are exchanged is called:
Which of the following equations is \emph{not balanced?}
How many trophic levels are there in a forest ecosystem?
The pH value of any neutral solution is:
Which of the following is a natural indicator?
What is the chemical formula of washing soda?
Which is the main source of energy on earth?
Which of the following is necessary in the synthesis of thyroxine hormone?
The colour of chlorophyll pigment is:
The hardest part of the teeth is:
Which is an example of a decomposer?
Which of the following is/are a part of environment?
The device which directly converts solar energy into electricity is known as:
Dispersion of white light is produced by:
Which one of the following proteins is responsible for the red colour of blood?