Question : Who discovered bacteria?

Option 1: Antonie Van Leeuwenhoek

Option 2: Robert Brown

Option 3: Robert Hooke

Option 4: Robert Koch

Question : Bacteria was first discovered by

Option 1: A.V. Leeuwenhoek

Option 2: Robert hooke

Option 3: Robert Koch

Option 4: Louis Pasteur

Question : Exobiology is a science that deals with:

Option 1: extinct forms

Option 2: life in other planets

Option 3: life in the outer space

Option 4: life in marine habitat

Question : Battle of Buxar was fought in ______.

Option 1: 1767

Option 2: 1757

Option 3: 1764

Option 4: 1774

Question : Radioactivity was discovered by

Option 1: Rutherford

Option 2: Henri Becquerel

Option 3: Roentgen 

Option 4: Einstein