<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">বাংলাদেশের ভূ-প্রকৃতি ও জলবায়ু </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">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। পৃথিবীর বৃহত্তম বদ্বীপের নাম কী?</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) ভারত  </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) মালয়েশিয়া </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) ইন্দোনেশিয়া       </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) বাংলাদেশ</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। বাংলাদেশের ভূ-প্রকৃতি কেমন?</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) নিচু        খ) সমতল   গ) উঁচু       </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) নিচু ও সমতল </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। বাংলাদেশের মধ্যভাগ দিয়ে কোন রেখা অতিক্রম করেছে?</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) মকরক্রান্তি রেখা     </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) আন্তর্জাতিক তারিখ রেখা </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) কর্কটক্রান্তি রেখা     </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) নিরক্ষরেখা</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। বাংলাদেশের মোট আয়তন কত বর্গমাইল?</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) ৫৬,৩৭৭    খ) ৫৫,৯৭৭  </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) ৫৬,৭৯৯        ঘ) ৫৬,৯৭৭</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। বাংলাদেশের জলবায়ুর ওপর কিসের প্রভাব বেশি?</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) কর্কটক্রান্তি রেখা     </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) মকরক্রান্তি রেখা </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) নিরক্ষীয় বায়ু        </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) মৌসুমি বায়ু</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। বাংলাদেশের পূর্বে অবস্থিত-</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">আসাম</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">মিয়ানমার</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">মিজোরাম</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""> iii</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"">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">   গ) </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">    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">নিচের উদ্দীপক পড়ে ৭ ও ৮ নং প্রশ্নের উত্তর দাও :</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">বিদিতা বাংলাদেশের এমন একটি অঞ্চলে বেড়াতে গেল, যেখানে পাহাড় আর পাহাড়। এ অঞ্চলের পাহাড়গুলো বেলেপাথর, কর্দম ও শেলপাথর দ্বারা গঠিত।</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। বিদিতার বেড়াতে যাওয়া এলাকার নাম কী?</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) টারশিয়ারি যুগের পাহাড়সমূহ</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) প্লাইস্টোসিন কালের সোপানসমূহ</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) সাম্প্রতিক কালের প্লাবন সমভূমি</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) বদ্বীপ সমভূমি</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। বিদিতার বেড়াতে যাওয়া এলাকার মধ্যে অন্তর্ভুক্ত হলো</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">খাগড়াছড়ি</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">ময়মনসিংহ</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">কক্সবাজার</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""> iii</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""> 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">   গ) </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">    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">৯। বাংলাদেশের প্রায় অধিকাংশ ভূমি কোন প্রকৃতির?</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) পাহাড়ি এলাকা     </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) মালভূমি     গ) সমভূমি             ঘ) পর্বতময়</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">১০। মধুপুর ও ভাওয়ালের গড় এলাকার  মাটির রং</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">লালচে</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">ধূসর</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">কালো</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"">iii</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""> 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">    গ) </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">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">১১। স্রোতজ সমভূমি গঠিত</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">খুলনা অঞ্চল</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">পটুয়াখালী অঞ্চল</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">বরগুনা জেলার কিয়দংশ</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""> iii</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""> 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">    গ)</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">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">১২। বাংলাদেশের জলবায়ু মূলত কী নামে পরিচিত?</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) কর্কটক্রান্তি জলবায়ু</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) মকরক্রান্তি জলবায়ু</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) মৌসুমি জলবায়ু</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) ক্রান্তীয় মৌসুমি জলবায়ু</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">১৩। কোন সময় থেকে বাংলাদেশে বর্ষাকাল শুরু 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) জুন মাসের শুরু থেকে</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) জুন মাসের শেষ থেকে</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) জুন মাসের মধ্যভাগ থেকে</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) মে মাসের শেষে</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">১৪। ভারতের ঋতুবৈচিত্র্য নির্ভর করে</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">আর্দ্রতা</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">উষ্ণতা</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"> বৃষ্টিপাত</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""> iii</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""> 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">    গ) </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">    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">১৫। নেপালে বার্ষিক গড় বৃষ্টিপাতের পরিমাণ কত?</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) ১৪০ সেমি     </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) ১৪৩ সেমি </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) ১৪৫ সেমি     </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) ১৪৯ সেমি</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">১৬। বাংলাদেশে জীববৈচিত্র্য বদলে যাওয়ার মূল কারণ কোনটি?</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) বৃষ্টিপাত     খ) নদীভাঙন </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) বনভূমি উজাড়    </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) জলবায়ু পরিবর্তন</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">১৭। বাংলাদেশে নদী হারিয়ে যাওয়ার কারণ কোনটি?</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) দূষণ       খ) পলি জমা   গ) দখল   </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) কম বৃষ্টিপাত</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">১৮। কোন প্রাকৃতিক দুর্যোগের আগাম পূর্বাভাস পাওয়া 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">ক) ভূমিধস      খ) নদীভাঙন   গ) ভূমিকম্প      ঘ) খরা</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">১৯। ভূমিকম্পের কারণে সমুদ্রের তলদেশে কিসের সৃষ্টি 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) পাহাড়      খ) মালভূমি  গ) দ্বীপ      ঘ) পর্বত</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">২০। ভূমিকম্পের স্থায়িত্বকাল কীরূপ?</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) কয়েক মিনিট       </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) কয়েক সেকেন্ড </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) ৩-৪ মিনিট         </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) ৩-৬ মিনিট</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 উদ্দীপক পড়ে ২১ ও ২২ নং প্রশ্নের উত্তর দাও : সোহানা ডিসেম্বর মাসের এক সকালে হাঁটতে বের হলো। হঠাৎ করেই বৃষ্টি শুরু হলে সে দ্রুত একটি গাছের নিচে আশ্রয় নেয়। তবে সামান্য বৃষ্টিপাতের পরেই মেঘ কেটে 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">২১। সোহানার দেখা বৃষ্টিপাত কোন বায়ুর প্রভাবে ঘটেছে?</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) দক্ষিণ-পশ্চিম শীতল বায়ু   </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) উত্তর-পশ্চিম শীতল বায়ু </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) উত্তর-পূর্ব মৌসুমি বায়ু      </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) দক্ষিণ-পশ্চিম মৌসুমি বায়ু</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">২২। উক্ত বৃষ্টিপাতে কোন ফসল উৎপাদন 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) আলু  খ) তুলা  </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) পাট  ঘ) গম</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">২৩। বাংলাদেশের জলবায়ু কোন প্রকৃতির?</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) শীতল      </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) সমভাবাপন্ন  গ) উষ্ণ  </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) চরমভাবাপন্ন</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">২৪। কোনটি বাংলাদেশের দক্ষিণে অবস্থিত?</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) আসাম      খ) ত্রিপুরা  গ) বঙ্গোপসাগর  ঘ) মিজোরাম</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">২৫। বাংলাদেশের মোট ভূমির কত ভাগ টারশিয়ারি যুগের?</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) ১৩%  খ) ১২%  </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) ১১%  ঘ) ১০%</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">২৬। বাংলাদেশ সমভূমি সৃষ্টি হওয়ার কারণ কোনটি?</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) বেশি বেশি বন্যা     </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) ভূমিকম্প </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) প্রাকৃতিক দুর্যোগ     </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) নদীবাহিত পলিমাটি</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">২৭। পশ্চিমবঙ্গে আশ্বিনা ঝড় কখন 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) শরৎকালে    খ) শীতকালে  গ) বর্ষাকালে      ঘ) গ্রীষ্মকালে</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">২৮। ঢাকায় ভূমিকম্পের ঝুঁকি অত্যধিক কেন?</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) অতিরিক্ত যানবাহন      </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) জলবায়ু পরিবর্তন </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) অপরিকল্পিত নগরায়ণ   </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) বস্তি সমস্যা</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">২৯। বাংলাদেশের বর্ষাকালের মূল বৈশিষ্ট্য</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">অতিরিক্ত উষ্ণতা</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">অধিক বৃষ্টিপাত</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">মৌসুমি বৃষ্টিপাত</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""> iii</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""> 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">    গ) </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">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">৩০। বাংলাদেশের চাষযোগ্য ভূমি কমার কারণ কী?</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) নদীভাঙন        </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) প্রাকৃতিক দুর্যোগ </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) পাহাড় কাটা     </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) জনসংখ্যা বৃদ্ধি</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. ঘ ২. ঘ ৩. গ ৪. ঘ ৫. ঘ ৬. ঘ ৭. ক ৮. ক ৯. গ ১০. গ  ১১. ঘ ১২. ঘ ১৩. খ ১৪. খ ১৫. গ ১৬. ঘ ১৭. খ ১৮. গ ১৯. গ ২০. খ ২১. গ ২২. ঘ ২৩. খ ২৪. গ ২৫. খ ২৬. ঘ ২৭. ক ২৮. গ ২৯. খ ৩০. ঘ। </span></span></span></span></p>