MCQ Practice Bangla 📖 বিজ্ঞান শব্দের ‘বি’ উপসর্গ কি অর্থে ব্যবহৃত হয়েছে? Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up This question appeared in Primary Recruitment Model Test 2021 (06) Question 49 Primary Recruitment Model Test 2021 (06) Question 49 Primary Recruitment Model Test 2021 (06) Question 49