SSC SSC Stenographer Grade C & D Mock Test 2025 General Science Biology Invention and Discoveries

'ਇਮਯੂਨੋਲੋਜੀ' ਦਾ ਪਿਤਾ ਕੌਣ ਹੈ?

1
ਰਾਬਰਟ ਕੋਚ
2
ਲੂਈ ਪਾਸਚੁਰ
3
ਐਡਵਰਡ ਜੇਨਰ
4
ਲੈਂਡਸਟੀਨਰ
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