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

How many laws of refraction of light are there?
What is the value of refractive index of a medium?
What is the S.I. unit of power of lens?
Which of the following organic compounds is an alkyne?
The sodium salts of higher fatty acids are called
Which of the following is a symbol of carbonyl group?
Iodized salt is:
What is Philosopher’s wool?
How many bonds are there between two atoms of one molecule of oxygen gas?
Which solution is used to test the presence of starch?
Rate of photosynthesis is dependent on which factors?
The pores of the stomata are surrounded by which of the following?
Which gas is liberated during respiration?
What is liberated by complete oxidation of glucose?
What type of membrane is the cell membrane?
Full form of ATP is:
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?