Morse code is a method of transmitting text information as a series of on-off tones, lights, or clicks that can be directly understood by a skilled listener or observer without special equipment.
240 million around the globe speak Portuguese, find out if you know the basics of the 6th most spoken language in the world and build up your Dreevoo knowledge profile.
A Black hole is a place in space where gravity pulls so much that even light can not get out. They are one of the greatest mysteries in space. Take this quiz adn find out how much do you really know about Black holes!
Galileo Galilei often known as Galileo, was a physicist, mathematician, astronomer, and philosopher who played a major role in the Scientific Revolution. Check your general knowledge.
CERN is an international organization whose purpose is to operate the world's largest particle physics laboratory. Go through the short quiz and build up your Dreevoo knowledge score.
Manyof uscan't imagine lifewithout a mobile phone.We can saythatmobile telephonyis developingwith the speed of light.But how muchdo you really knowabout the history ofthe development ofmobile phones?
X-rays are a form of invisible, high-frequency electromagnetic radiation. X-rays are very small and energetic. They are used in different branches of science.
Pakistan as an independent country is a very young country. So it doesn't have so long history, but long enough for you to take this quiz and find out how good do you know Pakistan history.
Queen are an English rock group, which consisted of vocalist Freddie Mercury, guitarist Brian May, bassist John Deacon, and drummer Roger Taylor. Check your Queen knowledge.
Field hockey is a team sport of the hockey family which is played between two teams of eleven players with hockey sticks and a hard, solid plastic ball. Let's see if you know some of the sports trivia.
