List of top Science Questions asked in Bihar Board X

Explain the causes and correction methods (with diagrams) for Hypermetropia (long-sightedness) and Myopia.
Differentiate between real and virtual images.
What are the laws of reflection and refraction?
Learn the chemical differences between metals and non-metals.
Which of the following gases is formed on heating ethanol with concentrated \( \mathrm{H_2SO_4} \)?
Which of the following statements is true?
The functional group –CHO is called:
Volt (V) is equal to:
The rate of flow of electric charge is called:
What is the difference between menarche and menopause?
What are renewable and non-renewable sources?
Write the main differences between stars and planets.
Which of the following is the beam of light coming from the Sun?
Which of the following is the imaginary (virtual) image formed in a convex mirror?
Which of the following is the mirror formula?
How does a virtual image look like?
Which of the following is a magnifying glass?
The chemical formula of bleaching powder is
The ratio of HCl and HNO$_3$ in aqua regia is
What is the role of decomposers in the ecosystem?
Write the functions of liver.
Draw a neat labelled diagram of the respiratory organs of human being.
What is the meaning of biological evolution?
Why does continuous running cause cramps to a person’s muscles?
What should be done for water conservation and water management?