সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন
Quinine is obtained from the bark of which tree?
Quinine is obtained from the bark of which tree?
- ক. Bunyan
- খ. Cinchona
- গ. Redwood
- ঘ. Eucalyptus
সঠিক উত্তরঃ Cinchona
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Basic Information of Daily Science, Inventions and...