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सामान्य ज्ञान
: आविष्कार
रुधिर वर्ग का पता लगाया था : , The blood group was detected by:
रुधिर वर्ग का पता लगाया था :
The blood group was detected by:
A. विलियम हार्वे ने (By William Harvey)
B. लैंडस्टीनर ने (The landsteiner)
C. पॉवलोव ने (By pavlov)
D. अलेग्जेंडर फ्लेमिंग ने (By Alexander Fleming)
Correct Answer :
B. लैंडस्टीनर ने
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