<p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">চতুর্থ অধ্যায়</span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">অণুজীব </span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">প্রথম পরিচ্ছেদ : ভাইরাস</span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">বহু নির্বাচনী প্রশ্ন</span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">১। ভাইরাসের অর্থ কি?</span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">    ক) অম্ল    খ) বিষ গ) দণ্ড ঘ) প্রোটিন কণা</span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">২। <img alt="https://cdn.kalerkantho.com/public/news_images/share/photo/shares/1.Print/2024/11.November/01-11-2024/2/kalerkantho-ed-3a.jpg" height="117" src="https://cdn.kalerkantho.com/public/news_images/share/photo/shares/1.Print/2024/11.November/01-11-2024/2/kalerkantho-ed-3a.jpg" width="350" /></span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">    চিত্রের গঠনটির নাম কি?</span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">    ক) </span></span><span style="font-size:14.0pt"><span style="font-family:"Times New Roman","serif"">T2 </span></span><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">ফাজ     খ) ভ্যাক্সিনিয়া গ) </span></span><span style="font-size:14.0pt"><span style="font-family:"Times New Roman","serif"">TMV</span></span><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi"> ঘ) পোলিও</span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">৩। কোন বিজ্ঞানী </span></span><span style="font-size:14.0pt"><span style="font-family:"Times New Roman","serif"">TMV</span></span><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">-কে তামাক পাতা থেকে কোলাসন প্রক্রিয়ায় পৃথক করেন?/মোজাইক রোগের স্ফটিক তৈরির জন্য কাকে নোবেল পুরস্কার দেওয়া হয়?</span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">    ক) অ্যাডলফ মায়ার    খ) আইভানোভস্কি গ) স্ট্যানলি     ঘ) রোদেন</span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">৪। ভাইরাসের ক্ষেত্রে প্রযোজ্য</span></span><span style="font-size:14.0pt"><span style="font-family:"Times New Roman","serif"">—</span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:"Times New Roman","serif"">          i. </span></span><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">সবই অকোষীয়</span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:"Times New Roman","serif"">          ii. </span></span><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">বিপাকীয় এনজাইম নেই</span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:"Times New Roman","serif"">          iii. </span></span><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">জেনেটিক রিকম্বিনেশন ঘটে</span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">    নিচের কোনটি সঠিক?</span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">    ক)</span></span><span style="font-size:14.0pt"><span style="font-family:"Times New Roman","serif""> i </span></span><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">ও</span></span><span style="font-size:14.0pt"><span style="font-family:"Times New Roman","serif""> ii</span></span><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">   খ)</span></span><span style="font-size:14.0pt"><span style="font-family:"Times New Roman","serif""> i </span></span><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">ও</span></span><span style="font-size:14.0pt"><span style="font-family:"Times New Roman","serif""> iii </span></span><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">গ) </span></span><span style="font-size:14.0pt"><span style="font-family:"Times New Roman","serif"">ii </span></span><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">ও</span></span><span style="font-size:14.0pt"><span style="font-family:"Times New Roman","serif""> iii</span></span><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">    ঘ)</span></span><span style="font-size:14.0pt"><span style="font-family:"Times New Roman","serif""> i, ii </span></span><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">ও</span></span><span style="font-size:14.0pt"><span style="font-family:"Times New Roman","serif""> iii</span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">৫। ভাইরাসের ক্ষেত্রে কোনটি সঠিক নয়?</span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">    ক) </span></span><span style="font-size:14.0pt"><span style="font-family:"Times New Roman","serif"">DNA </span></span><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">ও </span></span><span style="font-size:14.0pt"><span style="font-family:"Times New Roman","serif"">RNA</span></span><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi"> উভয় প্রকার নিউক্লিক এসিড থাকে</span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">    খ) দৈহিক বৃদ্ধি নেই</span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">    গ) পরিবেশের উদ্দীপনায় সাড়া দেয় না</span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">    ঘ) কেলাসিত করা যায়</span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">৬। ভাইরাসের মাথায় দ্বিস্তরী প্রোটিন নির্মিত আবরণীকে কী বলে?</span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">    ক) প্লাজমামেমব্রেন খ) কলার গ) জিনোম ঘ) ক্যাপসিড</span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">৭। নিচের কোনটিতে রিভার্স ট্রান্সক্রিপশন ঘটে?</span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">    ক) ভ্যাকসিনিয়া   খ) ভ্যারিওলা গ) হেপাটাইটিস-বি   ঘ) </span></span><span style="font-size:14.0pt"><span style="font-family:"Times New Roman","serif"">HIV</span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">৮। নিচের কোনটি দণ্ডাকার ভাইরাস?</span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">    ক) </span></span><span style="font-size:14.0pt"><span style="font-family:"Times New Roman","serif"">T2</span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">    খ) </span></span><span style="font-size:14.0pt"><span style="font-family:"Times New Roman","serif"">TMV</span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">    গ) </span></span><span style="font-size:14.0pt"><span style="font-family:"Times New Roman","serif"">HIV</span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">    ঘ) </span></span><span style="font-size:14.0pt"><span style="font-family:"Times New Roman","serif"">Vaccinia</span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">৯। কোনটিকে কেলাসিত করা যায়?</span></span></span></span></p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">    ক) আর্কিও ব্যাকটেরিয়া খ) ম্যালেরিয়া পরজীবী গ) ভাইরাস ঘ) সায়নো ব্যাকটেরিয়া</span></span></span></span></p> <p> </p> <p><span style="font-size:11pt"><span style="font-family:"Calibri","sans-serif""><span style="font-size:14.0pt"><span style="font-family:SolaimanLipi">    উত্তর : ১. খ ২. খ ৩. গ ৪. ঘ ৫. ক ৬. ঘ ৭. ঘ ৮. খ ৯. গ।</span></span></span></span></p>