Teaching Railway Teacher PRT 2025 Mock Test Series General Knowledge Science Technology and Inventions

ବୀଜାଣୁ ଆବିଷ୍କାର କରିଥିବା ବୈଜ୍ଞାନିକଙ୍କ ନାମ ?

1
ରବର୍ଟ କୋଚ୍
2
ଜେମ୍ସ ଚାଦୱିକ୍
3
ଇଉଜେନ୍ ଗୋଲ୍ଡଷ୍ଟାଇନ୍ 
4
ଏ ଭି  ଲିଉଭେନହୋକ୍
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