List of top Science Questions

Why does the colour of the solution change when a piece of iron is added to copper sulphate solution?
Which metallic property does graphite exhibit despite being a non-metal?
Why is it necessary to keep the plaster of Paris away from moisture? Explain.
What is nuclear fusion?
What is fossil fuel? Write with example.
How does an electromagnet work?
What is electric current? Write its equation and unit.
Describe Oersted's experiment to show that a magnetic field is produced around a current carrying conductor wire.
Why does the coin placed in water appear raised?
Hormone that stops cell division in plants is called
What is light beam? How many types of it are there?
Which is the largest part of the human brain?
Which excretory substance is mainly released from acacia plants?
Testosterone is secreted by
The male reproductive organ of a flower is called
How many pairs of respiratory pores are found in a cockroach?
Which blood group is known as universal donor?
Blood is
How do protozoans expel excretory substances?
The process of purification of blood by dialysis machine is called
The flow of blood in the heart is
Which of the following is a vestigial organ in the human alimentary canal?
The completely digested food in the small intestine is called
The condition of high blood pressure is called
Which of the following is the commercial unit of electrical energy?