Tiêu đề Gymnosperm- Daily-10 MCQ (Set-A)-With Solve.pdf ✅

1 Varsity Daily-10 [Set-A (Solve Sheet)] wm‡jevm: bMœexRx I Ave„ZexRx c~Y©gvb: 30 †b‡MwUf gvK©: 0.25 mgq: 20 wgwbU 1. Poaceae †Mv‡Îi DwTM¢` bq †KvbwU? [Which one is not a plant of Poaceae family?] Bambusa bambos Oryza sativa Phragmites karka Hibiscus mutabilis DËi: Hibiscus mutabilis e ̈vL ̈v: (i) Bambusa bambos (euvk) (ii) Oryza sativa (avb) (iii) Phragmites karka (bjLvMov)| 2. Malvaceae †Mv‡Îi Mf©vkq mvaviYZ KZ cÖ‡Kvô wewkó? [How many locules does the ovary of Malvaceae family usually have?] 4 5 6 3 DËi: 5 e ̈vL ̈v: ̄¿x ̄ÍeK : Mf©cÎ 1-20 ev Gi †ewk, mvaviYZ Mf©vkq 5-10wU, mshy3, AwaMf©, 1 - eû cÖ‡Kvôwewkó, mvaviYZ 5 cÖ‡Kvôwewkó| 3. Malvaceae †Mv‡Îi civMavbx †Kgb? [What is the shape of the anther of Malvaceae family?] †iLvKvi me©gyL e„°vKvi `jjMœ DËi: e„°vKvi e ̈vL ̈v: me©gyL (Versatile) civMavbx: cys`‡Ði miæ AMÖfvM civMavbx c„ô‡`‡ki ga ̈eZ©x ̄’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| †hgb- av‡bi civMavbx| e„°vKvi (Reniform) civMavbx : civMavbx †`L‡Z hLb e„‡°i (kidney) g‡Zv nq| †hgb- Revi civMavbx| 4. †h cy‡®ú cÖwZwU ̄Íe‡Ki Ask ̧‡jv ci ̄úi mg AvKvi I mg AvK...wZ wewkó _v‡K Zv‡`i Kx e‡j? [What are the flowers called in which the parts of each whorl are of equal size and shape?] m¤ú~Y© cy®ú eûcÖwZmg cy®ú mgv1⁄2 cy®ú Am¤ú~Y© cy®ú DËi: mgv1⁄2 cy®ú e ̈vL ̈v: m¤ú~Y© cy®ú (Complete Flower) : †h cy‡®ú PviwU ̄ÍeKB we` ̈gvb| †hgb- Rev| Am¤ú~Y© cy®ú (Incomplete flower) : †h cy‡®ú PviwU ̄Íe‡Ki GK ev GKvwaK ̄ÍeK Abycw ̄’Z _v‡K| †hgb- Kzgov| mgv1⁄2 cy®ú (Regular flower) : †h cy‡®ú cÖwZwU ̄Íe‡Ki Ask ̧‡jv ci ̄úi mg-AvKvi I mg-AvK...wZwewkó _v‡K| †hgb- Rev| eûcÖwZmg cy®ú (Actinomorphic flower) : †h cy®ú Lvovfv‡e †K›`a eivei KvU‡j GKev‡ii AwaK mgvb `ywU As‡k wef3 nq| †hgb- mwilv, Rev| 5. awbqvi †Kvb ai‡bi Agivweb ̈vm †`Lv hvq? [Which type of aestivation is seen in coriander?] c ̈vivBUvj †emvj GwcK ̈vj gvwR©bvj DËi: GwcK ̈vj e ̈vL ̈v: gvwR©bvj (Marginal) ev GKcÖvšÍxq : †hgb- Pisum sativum (gUiïwU), Lablab purpureus (wkg)| †emvj (basal) ev g~jxq : †hgb- wÎaviv, (Helianthus annuus) m~h©gyLx, Oryza sativa (avb)| c ̈vivBUvj (Paraietal) ev eûcÖvšÍxq : †hgb- (Cucumis sativus) kmv, jvD| G ̈vwcK ̈vj (apical) ev kxl©K : †hgb- awbqv, jvj cvZv| 6. dj Dci †_‡K wb‡P eû Kcv‡U we`xY© nq bv Kvi? [The fruit of which plant does not split into many valves from top to bottom?] cvU ayZyiv †Xuom AvZv DËi: AvZv e ̈vL ̈v: ̧w”QZ dj (Aggregate fruit) : GKwU gvÎ cy‡®úi gy3 Mf©vkq ̧‡jv n‡Z GK ̧”Q dj Drcbœ nq| †hgb- AvZv, ÷a‡eix| K ̈vcwmDj (Capsule) : dj Dci †_‡K wb‡P eû Kcv‡U we`xY© nq| †hgb- ayZyiv, †Xuom, cvU| 7. cys‡Kk‡ii gv_vi ùxZ Ask †K Kx e‡j? [What is the swollen part of the head of the stamen called?] Filament Anther Style Stamen DËi: Anther e ̈vL ̈v: A ̈vbwWawmqvg (Androecium) ev cys ̄ÍeK : `jgЇji wfZ‡i Aew ̄’Z dz‡ji Z„Zxq ̄ÍeK n‡jv A ̈vbwWawmqvg ev cys ̄ÍeK| Gi cÖwZwU m`m ̈‡K ejv nq ÷ ̈v‡gb (stamen) ev cys‡Kki| cys‡Kk‡ii `ЇK ejv nq wdjv‡g›U (filament) ev cys`Ð Ges gv_vi ùxZ Ask‡K ejv nq A ̈vš’vi (anther) ev civMavbx, civMavbxi †fZ‡i _v‡K †cv‡jb †MÖb (pollen grain) ev civM‡iYy| Style = Mf©`Ð| 8. Rev dz‡ji `jgЇj †Kvb ai‡bi Gw÷‡fkb †`Lv hvq? [Which type of aestivation is seen in the petals of the Chaina Rose?] UzB‡÷W fvj‡fU Bgwea‡KU †fKwmjvwi DËi: UzB‡÷W e ̈vL ̈v: fvj‡fU (Valvate) ev cÖvšÍ ̄úk©x: †hgb- Rev dz‡ji e„wZi Gw÷‡fkb, AvK›` I evejv dz‡ji Gw÷‡fkb| UzB‡÷W (Twisted) ev cvKv‡bv: †hgb- Hibiscus rosa-sinensis (Rev) dz‡ji `jgЇji Gw÷‡fkb| Bgwea‡KU (Imbricate): †hgb- K...òP~ov, (Cassia sophera) KvjKvmy›`v dz‡ji Gw÷‡fkb| †fK&wmjvwi (Vexillary): cÖRvcwZmg dz‡j Giƒc †`Lv hvq| Pisum sativum (gUiïwU), (Lablab purpureus) wkg dz‡ji Gw÷‡fkb| 9. Av`k© cvZvi KqwU Ask _v‡K? [How many parts does a ideal have?] 2 4 3 5
2 DËi: 3 e ̈vL ̈v: GKwU Av`k© cvZvi wZbwU Ask _v‡K| †hgb- cÎg~j (base), cÎe„šÍ (petiole) I cÎdjK (lamina)| cvZv †euvUvhy3 ev †euvUvwenxb n‡Z cv‡i, DccÎhy3 ev DccÎwenxb n‡Z cv‡i| GKwU cvZvq GKwU ev GKvwaK cÎdjK _vK‡Z cv‡i| Gme •ewkó ̈ †MvÎ, MY I cÖRvwZ kbv3Ki‡Y Kv‡R Av‡m| 10. †KvbwU evj¦ Gi D`vniY? [Which one is an example of a bulb?] imyb Av`v njy` Avjy DËi: imyb e ̈vL ̈v: ivB‡Rvg (Rhizome) : ivB‡Rvg n‡jv f~-wb¤œ ̄’ iƒcvšÍwiZ KvÐ| A_©vr †hme KvÐ gvwUi wb‡P Avbyf~wgKfv‡e ewa©Z nq| Av`v, njy` G ̧‡jv f~-wb¤œ ̄’ iƒcvšÍwiZ KvÐ (G ̧‡jv g~j bq)| wUDevi (Tuber) : Kv‡Ði f~-wb¤œ ̄’ kvLvi gv_vq ùxZ Ask‡K wUDevi e‡j| Avjy (potato) wUDevi Kv‡Ði D`vniY| wgwó Avjy g~‡ji ùxZ Ask, KvÐ bq| evj¦ (Bulb) : f~-wb¤œ ̄’ AwZ mswÿß iƒcvšÍwiZ KvÐ n‡jv evj¦| †hgb- †cuqvR, imyb RvZxq DwTM¢‡`i KvÐ| 11. e„wZ I `j GKB iKg †`L‡Z n‡j Zv‡`i Kx e‡j? [What are the flowers called when the calyx and corolla look alike?] cy®úcyU ÷ ̈v‡gb wcwUIj ÷vBj DËi: cy®úcyU e ̈vL ̈v: e„wZ I `j‡K AvK...wZ I e‡Y© c„_K Kiv bv †M‡j. †`L‡Z GKB iKg n‡j ZLb G‡`i cy®úcyU ev †cwii ̈vš’ e‡j| cy ̄úcyU Gi cÖwZwU m`m ̈‡K †Ucvj e‡j| 12. Hypogynous cy®ú bq †KvbwU? [Which one is not a hypogynous flower?] mwilv Rev avb dzj Kzgov DËi: Kzgov e ̈vL ̈v: Kzgov Epigynous ev Mf©kxl© cy®ú| Mf©cv` cy®ú (Hypogynous) : cy®úvÿ DËj nq Ges Mf©vkq Gi †K‡›`a m‡e©v”P ̄’v‡b Ae ̄’vb K‡i| cy‡®úi Aewkó wZbwU ̄ÍeK μgvš^‡q Mf©vk‡qi wb‡P mw3⁄4Z _v‡K| Giv n‡jv AwaMf© Mf©vkq (superior ovary) | †hgb- mwilv, Rev, avb dzj| 13. AwbqZ cy®ú web ̈v‡mi D`vniY bq †KvbwU? [Which one is not an example of irregular inflorescence?] wkigÄix ̄úvBK †iwmg mvB‡gvm DËi: mvB‡gvm e ̈vL ̈v: mvB‡gvm n‡jv wbqZ cy®úweb ̈vm| †iwm‡gvm (Racemose) ev AwbqZ cy®úweb ̈vm : AwbqZ ea©bkxj (A_©vr μgk evo‡Z _v‡K) gÄix`Ðhy3 cy®úgÄix| †iwm‡gvm cy®úgÄix wewfbœ ai‡bi nq| †iwmg (Raceme): gÄix`Ð j¤^v I AwbqZfv‡e ea©bkxj| e„šÍhy3 cy®ú A‡MÖvb¥yLfv‡e (Dc‡ii w`‡K μgk Kwbô) Drcbœ nq| †hgb- mwilv| ̄úvBK (Spike) : cÖjw¤^Z I AwbqwgZfv‡e ewa©Z gÄix`‡Ð Ae„šÍK cy®ú Drcbœ nq| †hgb- iRbxMÜv| K ̈vwcPzjvg (Capitulum) ev wkigÄix (Head) : gÄix`Ð cÖjw¤^Z bv n‡q ̄’zj, ùxZ I cÖk ̄Í n‡q DËj cy®úvav‡i (receptacle) cwibZ nq| †hgb: Muv`v, m~h©gyLx BZ ̈vw` cy®úgÄix| mvB‡gvm (Cymose) ev wbqZ cy®úweb ̈vm : wbqZ ea©bkxj (A_©vr kxl©gyKz‡j e„w× iwnZ n‡q hvq) gÄix`Ðhy3 cy®úgÄix| 14. mÂqx cÖavbg~j Kvi _v‡K bv? [Which plant does not have a taproot?] g~jv Kzgov MvRi exU DËi: Kzgov e ̈vL ̈v: g~jv, MvRi, exU BZ ̈vw` iƒcvšÍwiZ cÖavb g~j ev mÂqx caavb g~j| cÖavb g~j (Taproot): åƒYg~j n‡Z m„ó cÖv_wgK g~j μgvMZ e„w× †c‡q †h g~jZš¿ MVb K‡i ZvB cÖavb g~j| cÖavb g~j wØexRcÎx DwTM¢‡`i •ewkó ̈| g~jv, MvRi, exU BZ ̈vw` iƒcvšÍwiZ cÖavb g~j| Lv` ̈ mÂq K‡i e‡j Giv mÂqx cÖavb g~j| 15. Cycas Gi ïμvYyi •ewkó ̈ bq †KvbwU? [Which one is not a characteristic of Cycas sperm?] me©e„nr wbðj jvwU‡gi gZ eû d¬ ̈v‡Rjvwewkó DËi: wbðj e ̈vL ̈v: Cycas Gi ïμvYy DwTM¢`Kz‡j me©e„nr, jvwU‡gi gZ, mPj I eû d¬ ̈v‡Rjvwewkó| 16. bMœexRx DwTM¢‡`i •ewkó ̈ bq †KvbwU? [Which one is not a characteristic of gymnosperms?] wPi meyR civM‡iYy Mf©gy‡Ð cwZZ nq civM‡iYy wW¤^Ki‡Ü« cwZZ nq dj m„wó nq bv DËi: civM‡iYy Mf©gy‡Ð cwZZ nq e ̈vL ̈v: civMvq‡bi mgq civM‡iYy Mf©gy‡Ð cwZZ nq| GwU Ave„ZexRx DwTM¢‡`i •ewkó ̈| bMœexRx DwTM¢‡`i •ewkó ̈ njt (i) DwTM¢` eûel©Rxex, wPimeyR, † ̄úv‡ivdvBU Amg‡iYycÖm~ (heterosporous) A_©vr gvB‡μv‡ ̄úvi I †gMv‡ ̄úvi (cys I ̄¿x † ̄úvi) •Zwi K‡i| (ii) †iYycÎ A_©vr † ̄úv‡ivwdj ̧‡jv Nbfv‡e mwbœ‡ewkZ n‡q †÷avwejvm ev †KvY (cone) •Zwi K‡i| (iii) †gMv‡ ̄úv‡ivwdj-G ( ̄¿x‡iYycÎ) †Kv‡bv Mf©vkq •Zwi nq bv A_©vr G‡`i Mf©vkq, Mf©`Ð I Mf©gyÐ †bB| (iv) civMvqbKv‡j civM‡iYy mivmwi wW¤^Ki‡Ü« cwZZ nq| (v) wW¤^K †gMv‡ ̄úv‡ivwd‡ji wKbv‡i bMœ Ae ̄’vq _v‡K| (vi) Mf©vkq †bB ZvB G‡`i †Kv‡bv dj m„wó nq bv| (vii) dj m„wó nq bv e‡j exR bMœ Ae ̄’vq _v‡K| (viii) bMœexRx DwTM¢‡`i wØwb‡lK N‡U bv (e ̈wZμg Ephedra) 17. Gnetophyta I Ave„ZexRx DwTM¢‡`i g‡a ̈ wgj bq †KvbwU? [What is not a similarity between Gnetophyta and angiosperms?] †d¬v‡qg wUmy ̈‡Z m1⁄2x †Kvl _v‡K bv ïμvYy d¬ ̈v‡Rjvwenxb Kv‡Ûi wUmy ̈‡Z †f‡mj _v‡K cvZv Ave„ZexRxi gZ DËi: †d¬v‡qg wUmy ̈‡Z m1⁄2x †Kvl _v‡K bv e ̈vL ̈v: †d¬v‡qg wUmy ̈‡Z m1⁄2x‡Kvl _v‡K bv| GwU bMœexRx DwTM¢‡`i •ewkó ̈|
3 Gnetophyta wefv‡Mi DwTM¢‡`i Ave„ZexRx DwTM¢‡`i g‡Zv ïμvYy d¬ ̈v‡Rjvwenxb| G‡`i Kv‡Ûi wUmy ̈‡Z †f‡mj Av‡Q, Gnetum Gi cvZv Ave„ZexRx DwTM¢‡`i g‡Zv| 18. cvZv S‡i co‡jI bMœexRx DwTM¢‡`i Kv‡Ð †h we‡kl wPý †_‡K hvq Zv‡K Kx e‡j? [What is the special mark left on the stem of gymnosperms when leaves fall?] Leaf scar WvK© ̄úU fv‡b©kb †KvbwUB bq DËi: Leaf scar e ̈vL ̈v: Leaf scar bMœexRx DwTM¢‡`i wfbœag©x •ewkó ̈| 19. Cycas Gi †Kvivj‡qW g~j m„wó‡Z †Kvb e ̈vK‡Uwiqv Øvqx bq? [Which bacteria is not responsible for the formation of coralloid roots in Cycas?] Nostoc Amoeba Anabaena None of them DËi: Amoeba e ̈vL ̈v: Cycas Gi A ̄’vwbK g~j f~wgZ‡ji Dci AmsL ̈ Lv‡Uv Lv‡Uv Ø ̈vMÖ kvLvi m„wó K‡i| f~wgi DcwiZ‡j Ø ̈vMÖ kvLvwewkó G mKj g~j GK cÖKvi e ̈vK‡Uwiqv Øviv AvμvšÍ nq| d‡j, g~‡ji g‡a ̈ e ̈vK‡Uwiqv e„w×i mv‡_ mv‡_ Nostoc, Anabaena bvgK mvqv‡bve ̈vK‡Uwiqv ØvivI AvμvšÍ nq| 20. evsjv‡`‡ki ÿz`aZg Ave„ZexRx DwTM¢‡`i bvg Kx? [What is the name of the smallest angiosperm plant in Bangladesh?] W. arrhiza Hopea odorata W. microscopia Swintonea floribunda DËi: W. arrhiza e ̈vL ̈v: c„w_exi me‡P‡q ÿz`avKvi Ave„ZexRx DwTM¢` n‡jv Wolfia microscopia (0.1 wg.wg)| evsjv‡`‡k Gi `y‡Uv cÖRvwZ cvIqv hvq| evsjv‡`‡ki ÿz`aZg Ave„ZexRx DwTM¢` n‡jv Wolffia arrhiza. 21. Inflorescence KZ ai‡bi?: [How many types of inflorescence are there?] `yB GK wZb Pvi DËi: `yB e ̈vL ̈v: cy®úweb ̈vm ev cy®úgÄix (Inflorescence) DwTM¢` `yÕai‡bi| †hgb- AwbqZ cy®úweb ̈vm I wbqZ cy®úweb ̈vm| 22. cy®ú Møy‡gi wecixZ w`‡K Kx _v‡K? [What is located opposite the bract in a flower bud?] c ̈vwjqv †jgv ea ̈v± wjwMDj DËi: c ̈vwjqv e ̈vL ̈v: ÿz`avK...wZi ̄úvBK n‡jv ̄úvBK‡jU| †jgv‡K cy®ú Møyg e‡j| †jgvi wecix‡Z c ̈vwjqv _v‡K| †hgb- avb, Mg| 23. Ave„ZexRx DwTM¢‡`i mm ̈ †Kgb nq? [What is the nature of the endosperm in angiosperms?] n ̈vcø‡qW wWcø‡qW wUacø‡qW cwjcø‡qW DËi: wUacø‡qW e ̈vL ̈v: Ave„ZexRx DwTM¢‡`i wØwb‡lK N‡U, wb‡l‡Ki ci mm ̈ (endosperm) MVb Avi¤¢ nq| ZvB ex‡Ri mm ̈ nq wUacø‡qW (3n)| 24. Cycas circinalis Gi ̧iæZ¡ †KvbwU? [What is the importance of Cycas circinalis?] KwP cvZv mewR wn‡m‡e mv ̧ g` •Zwi GiviæU cÖ ̄‘wZ DËi: GiviæU cÖ ̄‘wZ e ̈vL ̈v: Cycas pectinata  KwP cvZv mewR wn‡m‡e, exR n‡Z mv ̧ I Kv‡Ði g3⁄4v n‡Z g` •Zwi Kiv nq| Cycas circinalis  Gi ùxZK›` I exR n‡Z GK cÖKvi GiviæU ev evwj© cÖ ̄‘Z Kiv nq| 25. gvj‡fwm †Mv‡Îi DwTM¢‡`i ̧iæZ¡ m¤ú‡K© †KvbwU mZ ̈? [Which of the following statements is true about the importance of Malvaceae family plants?] BwÛqvb wUDwjc-c~Rvi DcKiY wn‡m‡e nq Rev dzj- i3 Avgvkq I Ak¦© †iv‡Mi GKwU fv‡jv Ilya PyKBi- evMv‡bi †mŠ›`‡h©i Rb ̈ Rev dzj- eûg~Î †iv‡M e ̈envi nq DËi: Rev dzj- i3 Avgvkq I Ak¦© †iv‡M GKwU fv‡jv Ilya e ̈vL ̈v: Rev dzj - i3 Avgvkq I Ak¦© †iv‡Mi GKwU fv‡jv Ilya, c~Rvi DcKiY wn‡m‡eI e ̈envi Kiv nq| †Xuom - †Xuo‡mi cÖavb e ̈envi mewR wn‡m‡e| GwU eûg~Î ev Wvqv‡ewUm †iv‡MiI DcKvi K‡i _v‡K| PzKBi ev †g ̄Ív - Gi Avuk w`‡q PU, `wo BZ ̈vw` cÖ ̄‘Z Kiv nq| 26. †KvbwU wØexRcÎx DwTM¢‡`i cÖ_g †MvÎ? [What is the first family of dicotyledonous plants?] Winteraceae Asteraceae Malvaceae none of them DËi: Winteraceace e ̈vL ̈v: W. Av_©vi μbKzB÷ (1981) c„w_exi mKj Rvbv wØexRcÎx DwTM¢`‡K 315 wU †Mv‡Î wef3 K‡i‡Qb| Avw` DbœZ aviv Abyhvqx cÖ_g †MvÎ Winteraceae Ges me©‡kl †MvÎ Asteraceae, Malvaceae †Mv‡Îi Ae ̄’vb 102 Zg| 27. c„w_exi me‡P‡q `xN©Zg Mv‡Qi bvg Kx? [What is the name of the longest plant in the world?] Welwitschea mirabilis Sequoia sempervirens Zamia Dipterocarpus turbinatus DËi: Sequoia sempervirens e ̈vL ̈v: c„w_exi me‡P‡q DuPz e„ÿ Sequoia sempervirens GKwU Kwbdvi RvZxq DwTM¢`| 28. cy®ú ms‡K‡Z e ̈eüZ ÔÔ ♂ ÕÕ mvs‡KwZK wPýwU wK wb‡`©k K‡i? [What does the symbol "♂" represent in floral formula?] GKcÖwZmg mgms‡hvM cys cy®ú ̄¿x cy®ú DËi: cys cy®ú e ̈vL ̈v: cys cy‡®úi Rb ̈ mvs‡KwZK wPý  ♂ ̄¿x cy‡®úi Rb ̈ mvs‡KwZK wPý  ♀| 29. euv‡ki •ewkó ̈ †KvbwU? [What is the characteristic of bamboo?] exiær e„ÿ duvcv ga ̈ce© cÖavb g~j DËi: duvcv ga ̈ce©
4 e ̈vL ̈v: euvk  Kvôj, e„ÿer, †ek DuPz| ZeyI euvk‡K Nvm ejv nq| KviY G‡`i cy®ú •ewkó ̈, duvcv ga ̈ce© I Ab ̈vb ̈ •ewkó ̈ Nv‡mi mv‡_ wg‡j hvq| 30. Malvaceae Gi †ÿ‡Î †KvbwU mwVK? [Which one is correct about Malvaceae?] A ̄’vwbK g~j wjwMDj Abycw ̄’Z Agivweb ̈vm g~jxq cy®ú UavB‡givm DËi: wjwMDj Abycw ̄’Z e ̈vL ̈v: Malvaceae Gi g~j cÖavb g~j, Agivweb ̈vm Aÿxq, cy®ú †UUav‡givm ev †c›Uv‡givm| ---