Tiêu đề নগ্নবীজী ও আবৃতবীজী উদ্ভিদ.pdf ✅

: bMœexRx I Ave„ZexRx DwTM¢` 1 bMœexRx I Ave„ZexRx DwTM¢` Biology ev‡qvjwR †nUvm©
2 : bMœexRx I Ave„ZexRx DwTM¢` bMœexRx I Ave„ZexRx DwTM¢` MÖš’ ̄^Z¡ © ev‡qvjwR †nUvm© cÖKvkbx El Pandora dvg©‡MU, XvKv cÖ_g cÖKvk: wW‡m¤^i 2023 cÖ”Q` †gv: Bg`v`yj nK gy`aY evsjvi cÖKvkb 33 RqP›`a †Nvl †jb m~Îvcyi, evsjv evRvi, XvKv N‡i e‡m eB †c‡Z www.elpandora.com /elpandorapub.com www.facebook.com/elpandorabd 017 1659 8030 Biology Haters cÖKvkK wKsev †jL‡Ki wjwLZ AbygwZ Qvov GB eB‡qi †Kv‡bv As‡kiB †Kvbiƒc cybiærcv`b ev cÖwZwjwc Kiv hv‡e bv| †Kv‡bv hvwš¿K Dcv‡q (MÖvwd·, B‡jKUawbK, ev Ab ̈ †Kv‡bv gva ̈g, d‡UvKwc, B-eyK, †Uc ev cybiæ×v‡ii my‡hvM msewjZ Z_ ̈ mÂq ev G RvZxq †Kv‡bv c×wZ) cÖwZwjwc Kiv hv‡e bv| GB kZ© jswNZ n‡j Dchy3 AvBwb e ̈e ̄’v MÖnY Kiv hv‡e|
: bMœexRx I Ave„ZexRx DwTM¢` 3 জ্ঞানমূলক প্রশ্ন cÖkœ: cvg dvb© Kv‡K e‡j? [P. ‡ev-21, g. ‡ev-21] DËi: mvBKv‡mi cvZv cvg DwTM¢` Ges dvb© Gi cvZvi mv‡_ wKQzUv wgjm¤úbœn‡j mvBKvm‡K cvg dvb© e‡j| cÖkœ: RxešÍ Rxevk¥ Kx? [w`. ‡ev-21, wg. ‡ev-22] DËi: eZ©gvb Kv‡ji RxweZ DwTM¢‡`i ˆewkó ̈ AZxZKv‡ji †Kv‡bv Rxevk¥ DwTM¢‡`i ˆewk‡ó ̈i mv‡_ wgjm¤úbœ n‡j Zv‡K RxešÍ Rxevk¥ (Living fossil) e‡j| cÖkœ: ‡÷avwejvm Kx? [g. ‡ev-22] DËi: cys Cycas DwTM¢‡`i kx‡l© AmsL ̈ cys‡iYycÎ (microsporophyll) m„wó nq, hv GKwÎZ n‡q †gvPvK...wZi †h MVb ˆZwi K‡i ZvB ‡÷avwejvm| cÖkœ: cys‡iYycÎ Kx? [iv. ‡ev-22] DËi: bMœexRx DwTM¢‡` cvZvi g‡Zv †h Ask cys‡iYy enb K‡i Zv‡K cys‡iYycÎ e‡j| cÖkœ: ‡mvivm Kx? [e. ‡ev-22, w`. ‡ev-22] DËi: mvBKv‡mi cys‡iYyc‡Îi c„ô‡`‡k 2-5wU † ̄úvivwÄqv GK‡Î Ae ̄’vb K‡i, hv‡K †mvivm e‡j| cÖkœ: A ̈v‡cvdvBwmm Kx? [h. ‡ev-21] DËi: cys‡iYyc‡Î †h miæ ewa©Z gv_v ˆZwi nq ZvB A ̈v‡cvdvBwmm| cÖkœ: A ̈v¤^vi Kx? [e. ‡ev-21] DËi: A ̈v¤^vi n‡jv Rxev‡k¥ cwiYZ nIqv Mv‡Qi ‰Zj ev MvQ wb:m„Z Zij c`v_©| cÖkœ: cy®úcÎweb ̈vm Kx? [wm. ‡ev-21, wm. ‡ev-19] DËi: gyKzjve ̄’vq e„Z ̈vsk ̧‡jv ci ̄ú‡ii mv‡_ Kxfv‡e web ̈v ̄Í _v‡K Zv‡K ejv nq cy®úcÎweb ̈vm (Aestivation)| cÖkœ: Agiv Kv‡K e‡j? [Xv. ‡ev-22] DËi: Mfv©k‡qi wfZi ‡h wUmy ̈ †_‡K wW¤^K (ovule) m„wó nq †m wUmy ̈‡K Agiv (placenta) e‡j| cÖkœ: cy®úcyU Kx? A_ev, †cwiq ̈vš’ Kx? [h. ‡ev-22, e. ‡ev-21, h. ‡ev-21] DËi: e„wZ Ges `j‡K hLb AvK...wZ I e‡Y© c„_K Kiv hvq bv A_©vr †`L‡Z Giv GKBiKg †`Lvq ZLb G‡`i‡K GK‡Î cy®úcyU (perianth) e‡j| cÖkœ: dzj Kx? [iv. ‡ev-21] DËi: DwTM¢‡`i eskiÿv I eskwe ̄Ív‡ii D‡Ï‡k ̈ dj I exR Drcv`‡bi Rb ̈ we‡klfv‡e iæcvšÍwiZ weUc- B n‡jv dzj| cÖkœ: cy®úms‡KZ Kx? [Xv. ‡ev-21] DËi: cy‡®úi wj1⁄2, wewfbœ ̄ÍeK, cÖ‡Z ̈K ̄Íe‡Ki m`m ̈msL ̈v I Ae ̄’vb, Zv‡`i mg I Amg mshyw3, gÄixc‡Îi Dcw ̄’wZ I Abycw ̄’wZ cÖf...wZ Z_ ̈ †h ms‡K‡Zi mvnv‡h ̈ cÖKvk Kiv nq ZvB cy®ú ms‡KZ (Floral formula)| cÖkœ: cy®ú cÖZxK Kx? [P. ‡ev-22, Xv. h. wm. w`. ‡ev-18] DËi: ‡h cÖZx‡Ki mvnv‡h ̈ GKwU cy‡®úi gvZ...A‡ÿi Zzjbvq Gi wewfbœ ̄Íe‡Ki cy®úcÎ ̧‡jvi Ae ̄’vb, msL ̈v, mgms‡hvM, Amgms‡hvM, Agivweb ̈vm cÖf...wZ ˆewkó ̈ †`Lv‡bv nq ZvB cy®ú cÖZxK (Floral diagram)|
4 : bMœexRx I Ave„ZexRx DwTM¢` cÖkœ: fv‡m©UvBj civMavbx Kx? [Kz. ‡ev-22] DËi: hw` cys`‡Ûi miæ AMÖfvM civMavbxi c„ô‡`‡ki ga ̈eZx© ̄’v‡b GKwU m~2 we›`y‡Z Ggbfv‡e mshy3 _v‡K †h, civMavbx g„`y evZv‡m Gw`K-‡mw`K `yj‡Z cv‡i Z‡e Zv‡K fv‡m©UvBj (Versatile) ev me©gyL civMavbx e‡j| cÖkœ: wjwMDj Kx? [Kz. ‡ev-21, g. ‡ev-21] DËi: wjwMDj n‡jv wjdmx‡_i gv_v Ges cÎdj‡Ki ms‡hvM ̄’‡j Aew ̄’Z GKwU Dce„w×| cÖkœ: gÄixcÎ Kv‡K e‡j? [P. ‡ev-21] DËi: ‡h ÿz`avK...wZi cvZv ev cvZvi b ̈vq As‡k †Kv‡bv dzj ev gÄix R‡b¥ Zv‡K gÄixcÎ (Bract) e‡j|