List of top Science Questions asked in Bihar Board X

If several resistances are parallel, their equivalent resistance will be:
A converging beam is incident on a plane mirror. The reflected beam will be:
Which colour has maximum wavelength in visible light?
To increase the value of the resistance, resistors should be connected in:
Which instrument does not have a positive (+) and a negative (-) sign?
There are 20 divisions between the zero (0) and 2A number of an ammeter. What is the least count of the ammeter?
The SI unit of magnetic flux is:
Which of the following lenses is called diverging lens?
Which one of the following reactions occurs in the formation of curd from milk?
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?