alleryকোনবোৰ অণুবীক্ষণিক পত্ৰছিদ্ৰৰ জৰিয়তে উদ্ভিদে পাতৰ গেছ বিনিময় নিয়ন্ত্ৰণ কৰে?
Aপত্ৰৰন্ধ্ৰ (ষ্ট'মেটা)
Bবাতৰন্ধ্ৰ (লেন্টিচেল)
Cহাইডাথ'ড থলী
Dপ'ৰছ অৱ কন
Answer & Solution
Correct answer: A. পত্ৰৰন্ধ্ৰ (ষ্ট'মেটা)
পত্ৰৰন্ধ্ৰ হৈছে নিয়ন্ত্ৰিত অণুবীক্ষণিক পত্ৰছিদ্ৰ যিয়ে গেছ বিনিময়ৰ সুবিধা দিয়ে আৰু বাষ্পমোচনৰ দ্বাৰা পানীৰ ক্ষয় নিয়ন্ত্ৰণ কৰে।
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