List of top Science Questions asked in Bihar Board X

The male reproductive organ of a flower is called
The flow of blood in the heart is
How do protozoans expel excretory substances?
Blood is
The process of purification of blood by dialysis machine is called
Which blood group is known as universal donor?
How many pairs of respiratory pores are found in a cockroach?
The condition of high blood pressure is called
Which of the following is a vestigial organ in the human alimentary canal?
The completely digested food in the small intestine is called
The length of the small intestine in herbivorous animals is
By which method is water absorbed by root hairs?
Which of the following is the commercial unit of electrical energy?
The SI unit of resistance is
Which of the following controls the size of the pupil?
Which lens is used in nearsightedness (myopia)?
Which of the following is the formula to find the resistance of a coil?
Which of the following is an allotrope of carbon?
How many colours are there in white light?
Which colour of white light bends the least after passing through a prism?
In which lens can both real and virtual images be formed?
Which of the following is the most acidic oxide?
Which of the elements represented by the following symbols is a metal?
What type of salt is Pb(OH)NO$_3$?
The ratio of nitrogen and hydrogen atoms in one molecule of ammonia is