Bangla Exam Practice Library

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শীত বা গ্রীষ্মের পূর্বে গাছের পাতা ঝড়ে যায় কেন?

  1. A অভিস্রবণ কমাতে
  2. B খাদ্যের অভাবে
  3. C প্রস্বেদন কমাতে
  4. D শ্বসনের হার কমাতে
Answer: C - প্রস্বেদন কমাতে

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