- Oxygen was discovered by ?
- In 1774 oxygen was discovered by;
- “Tumooat” means:
- Ashes series of cricket is played between:
- Who discovered malaria parasite?
- Which are the two gases that we exhale more than we inhale?
- The lense at the end of Compound microscope is called objective. What was first seen by compound microscope?
- According to the recent report of World Health Organisation, which infectious disease is causing Maximum number of casualties in the world?
- During the processes of photosynthesis, plants releases the
- During photosynthesis plants release ?