Fish are vertebrates, which are adapted to life in the aquatic environment. Fish are the most numerous group of vertebrates. The number of different species of fish is almost as much as all other vertebrates together.
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.
Put your space and general knowledge to a test by answering some questions covering the achievements of mankind in our galaxy and beyond. A simple and intuitive way to build up your knowledge profile.
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?
Scientist may be an expert in one or more areas of science. Some of them have decisively influenced on the development of mankind. Let see how many of them you know.
Science is a systematic enterprise that builds and organizes knowledge on diferent branches. In this knowledge check we have prepared for you a few general knowledge questions of science.
Alfred B. Nobel was a Swedish chemist, engineer, innovator, and armaments manufacturer. Go through this short quiz and build up your Dreevoo knowledge score.
Our beautiful, one and only home called Earth is called the Blue Planet for a reason. Vast oceans make it exceptional when observed from space. Find out how familiar you are with some of the world's oceans facts.
According to the latest research we still don't know everything about our anatomy. There are still a few unknown facts how our body functions. Find out what do you know about yourself.
Modern scientific big bang theory assumes that everything we see today from the Earth to the cosmic horizon, started out as a very small, hot and dense mixture of matter and energy.
Spiders are air-breathing arthropods that have eight legs and chelicerae with fangs that inject venom. Find out how well do you really know about this creepy and magnificent creatures.
Super hero is a person or an animal that has some kind of super power. Everyone of us had at least one super hero in childhood. Let see how familiar are you with this super natural born movie characters.
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.
