Shubham Jha - Class 9
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1st half k saare chapters hai padhaoo ab
Rutherford alpha practicale scattering expirement resulted in the discovery of
Anonymous Quiz
26%
Electron
26%
Proton
42%
Nucleus in the atom
5%
Atomic mass
The ion of an element has 3 positive charge mass number of the atom is 27 and the number of neutron is 14 what is the no of electron in the ion
Anonymous Quiz
19%
12
45%
10
16%
8
20%
14
👍1
Who is the father of Biology?
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26%
Carl lineous
49%
Robert hook
18%
Gallilo
6%
Newton
In which organisms, the structure of parapodia is present? 
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16%
Neerish
32%
Leech
43%
Earthworm
8%
Octopus