Question : What is the atomic number of nitrogen in the science periodic table?

Option 1: 21

Option 2: 7

Option 3: 18

Option 4: 11

Question : Concerning social groups in India, PVTGs stands for ________.

Option 1: Periodic Vulnerable Tribal Groups

Option 2: Periodic Various Tribal Groups

Option 3: Particularly Vulnerable Tribal Groups

Option 4: Particularly Various Tribal Groups

Question : What is the atomic number of Carbon as per Mendeleev's Periodic Table?

Option 1: 3

Option 2: 6

Option 3: 1

Option 4: 10

Question : ________ is the father of the modern periodic table.

Option 1: J. J. Thomson

Option 2: Ernest Rutherford

Option 3: John Newland

Option 4: Dmitri Mendeleev

Question : If the third proportion of 3 and $x$ is 27 and the third proportion of 2 and $y$ is 8, then find $x : y$.

Option 1: 7 : 9

Option 2: 4 : 5

Option 3: 3 : 7

Option 4: 9 : 4