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#14384 Bangla Language & Literature রোগ জীবানু Level 0

বিভিন্ন রোগ নিরাময়ে কোনটি ব্যবহৃত হয়?

  1. A আইসোটোপ
  2. B ইলেকট্রন
  3. C নিউট্রন
  4. D প্রোটন
Answer: A - আইসোটোপ

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