List of top Questions asked in Bihar Board Class X Exam

The pH value of any neutral solution is:
Which of the following is a natural indicator?
What is the chemical formula of washing soda?
The colour of chlorophyll pigment is:
The hardest part of the teeth is:
Which of the following is necessary in the synthesis of thyroxine hormone?
Which is an example of a decomposer?
Which is the main source of energy on earth?
Which of the following is/are a part of environment?
Dispersion of white light is produced by:
The device which directly converts solar energy into electricity is known as:
Which one of the following is a strong base?
What is the chemical formula of dry ice?
Which one of the following proteins is responsible for the red colour of blood?
The actual source of energy of fossil fuel is:
Those which 'produce heat on combustion' are called:
Euro-II is related to:
Which of the following is a non-renewable source of energy?

गलती करना मनुष्य का स्वभाव है। 
 

जो वह कहता है, सही है। 
 

रोज अखबार पढ़ो। 
 

Passive voice of: My brother is to plant the tree. is
Antonym of 'Bold' is
Antonym of 'Foe' is
Active voice of: By whom has the snake been killed? is