Title Gymnosperm- Daily-10 MCQ (Home Practice)-With Solve.pdf ✅

1 Varsity Daily-10 [Home Practice (Solve Sheet)] wm‡jevm: bMœexRx I Ave„ZexRx c~Y©gvb: 30 †b‡MwUf gvK©: 0.25 mgq: 20 wgwbU 1. Cycas Gi KZ cÖRvwZ c„w_exi ey‡K GL‡bv wU‡K Av‡Q? [How many species of Cycas are still alive on Earth?] 9 50 75 100 DËi: 100 e ̈vL ̈v: Cycas Cycadales e‡M©i AšÍM©Z| G e‡M©i Cycas mn 9 wU M‡Yi cÖvq 100 wU cÖRvwZ GL‡bv c„w_exi ey‡K wU‡K Av‡Q| 2. cys‡iYyc‡Îi miæ ewa©Z gv_v‡K Kx e‡j? [What is the narrow, elongated head of the stamen called?] cys‡÷avwejvm gvB‡μv‡ ̄úv‡ivwdj A ̈v‡cvdvBwmm †mvivm DËi: A ̈v‡cvdvBwmm e ̈vL ̈v: cys Cycas DwTM¢‡`i kx‡l© AmsL ̈ cys‡iYycÎ m„wó nq hv GKwÎZ n‡q GKwU †gvPvK...wZi cys‡÷avwejvm •Zwi K‡i| cys‡iYyc‡Îi miæ ewa©Z gv_v‡K A ̈v‡cvdvBwmm e‡j| 3. KZ eQi c~‡e© Ave„ZexRx DwTM¢‡`i DrcwË n‡qwQj? [How many years ago did angiosperms originate?] 13 jÿ 5 †KvwU 10 †KvwU 13 †KvwU DËi: 13 †KvwU e ̈vL ̈v: AvR †_‡K cÖvq 13 †KvwU eQi c~‡e© Ave„ZexRx DwTM¢‡`i DrcwË n‡qwQj e‡j g‡b Kiv nq| 4. †Kvb hy‡M bMœexRx DwTM¢‡`i Avwef©ve N‡UwQj? [In which era did gymnosperms appear?] †W‡fvwbqvb Uviwkqvwi †g‡mv‡RvwqK RyivwmK DËi: †W‡fvwbqvb e ̈vL ̈v: bMœexRx DwTM¢` †W‡fvwbqvb hy‡M DrcwË I †g‡mv‡RvwqK hy‡M we ̄Í...wZ| 5. cy‡®úi wZbwU ̄ÍeK μgvš^‡q Mf©vk‡qi wb‡P mw3⁄4Z _vK‡j Zv‡K Kx e‡j? [What is called the flower that has three layers of petals arranged below the ovary in sequence?] AwaMf© Mf©vkq Aa©-AwaMf© Mf©vkq A‡avMf© Mf©vkq †KvbwUB bq DËi: AwaMf© Mf©vkq e ̈vL ̈v: Mf©cv` cy®ú: cy‡®úi wZbwU ̄ÍeK μgvš^‡q Mf©vk‡qi wb‡P mw3⁄4Z _v‡K| A_©vr Mf©vkq Ab ̈me ̄Íe‡Ki Dc‡i _vK‡j Zv‡K AwaMf© Mf©vkq (superior ovray) e‡j| †hgb- mwilv, Rev, avb dzj| 6. Poaceae †Mv‡Îi cy®ú‡K Kx e‡j? [What is the flower of Poaceae family called?] cy®úcyU mx_ †d¬v‡iU †jgv DËi: †d¬v‡iU e ̈vL ̈v: Poaceae (Nvm) †Mv‡Îi cy®ú‡K mvavibZ cyw®úKv (floret) ejv nq| cyw®úKv Dfwj1⁄2 ev GKwj1⁄2 n‡Z cv‡i| 7. ÿz`a kéc‡Îi b ̈vq cy®úcyU n‡jv- [Small scale-like flower bud is called-] wjwMDj †jvwWwKDj †jgv c ̈vwjqv DËi: †jvwWwKDj e ̈vL ̈v: mKj cyw®úKv‡Z cy®úcyU †bB| †Kv‡bv †Kv‡bv DwTM¢‡`i †hgb- avb, cyw®úKv‡Z ÿz`avKvq `yÕwU cy®úcyU _v‡K hv‡K †jvwWwKDj (lodicule) ejv nq| ÿz`a kéc‡Îi b ̈vq cy®úcyU n‡jv †jvwWwKDj| 8. evsjv‡`‡k KZ cÖRvwZi euvk cvIqv hvq? [How many species of bamboo are found in Bangladesh?] 5 15 25 28 DËi: 28 e ̈vL ̈v: Bambusa bambos (euvk) n‡jv DuPz e„ÿer Avw` Nvm| evsjv‡`‡k 28 cÖRvwZi euvk R‡b¥ _v‡K| 9. wb‡¤œi †Kvb DwTM¢‡`i Mf©gyÐ cvj‡Ki b ̈vq? [Which plant has a feathery stigma?] GKexRcÎx DwTM¢` wØexRcÎx DwTM¢` e ̈3exRx DwTM¢` bMœexRx DwTM¢` DËi: GKexRcÎx DwTM¢` e ̈vL ̈v: GKexRcÎx DwTM¢‡`i Mf©gyÐ cvj‡Ki b ̈vq| 10. c„w_exi me‡P‡q `xN©Zg Mv‡Qi bvg Kx? [What is the name of the world's longest tree?] 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¢`| 11. i3cvZ eÜ I ÿZ wbivg‡qi †flR wn‡m‡e e ̈eüZ nq †KvbwU? [Which is used as a medicinal herb to stop bleeding and heal wounds?] Hordeum vulgare Thysanolaema maxima Saccharum officinarum Cynodon dactylon DËi: Cynodon dactylon e ̈vL ̈v: `~e©vNvm (Cynodon dactylon) n‡jv Dcv‡`q cï Lv` ̈| i3cvZ eÜ I ÿZ wbivg‡q †flR wn‡m‡e e ̈envi Kiv nq| Hordeum vulgare  he ev evwj©| Thysanolaema maxima  Svo–Nvm Saccharum officinarum  AvL, Bÿz| 12. Revi kbv3Kvix •ewkó ̈ †KvbwU mZ ̈ bq? [Which of the following characteristics of Chaina Rose is not true?] e„Z ̈sk 5 wU AwaMf© Mf©vkq cvcwo 5 wU hy3 Agivweb ̈vm Aÿxq DËi: cvcwo 5 wU hy3
2 e ̈vL ̈v: Revi cvcwo 5 wU gy3, †Mvovq hy3, cvKv‡bv| 13. Rev dz‡ji `jgЇji Gw÷‡fkb †Kgb? [What is the aestivation of the corolla of Chaina Rose?] UzB‡÷W Bgwea‡KU fvj‡fU I‡cb DËi: UzB‡÷W e ̈vL ̈v: UzB‡÷W (Twisted) ev cvKv‡bv: †hgb- Rev (Hibiscus rosa- sinensis) dz‡ji `jgЇji Gw÷‡fkb, Kiex (Nerium indicum) dz‡ji Gw÷‡fkb| fvj‡fU ev cÖvšÍ ̄úk©x n‡jv Rev dy‡ji e„wZi Gw÷‡fkb| 14. Wolfia microscopia –i •`N© ̈ KZUzKz? [How long is Wolffia microscopia?] 0.1 wg.wg 1 wg.wg 10 wg.wg 100 wg.wg DËi: 0.1 wg.wg e ̈vL ̈v: c„w_exi me‡P‡q ÿz`avKvi Ave„ZexRx DwTM¢` n‡jv Wolfia microscopia (0.1 wg.wg)| 15. wb‡Pi †KvbwU AP~ocÿj †hŠwMK c‡Îi D`vniY? [Which of the following is an example of a pinnately compound leaf?] euv`i jvwV DwTM¢‡`i cvZv mwRbv K...òP~ov †Mvjvc DËi: euv`i jvwV DwTM¢‡`i cvZv e ̈vL ̈v: i ̈vwK‡mi P~ovq hw` †Kv‡bv cÎK bv _v‡K A_©vr cÎK ̧‡jv †Rvo msL ̈vq _v‡K Z‡e Zv‡K AP~ocÿj †hŠwMK cÎ e‡j| †hgb- euv`i jvwV DwTM¢‡`i cvZv| 16. 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| 17. Epiphytic root _v‡K Kvi? [Which plant has epiphytic roots?] gyjv †Kqv imyb civkÖqx AwK©W DËi: civkÖqx AwK©W e ̈vL ̈v: Epiphytic ev civkÖqx gyj _v‡K AwK©‡W| gyjvi cÖavbg~j, †Kqvi A ̄’vwbK g~j _v‡K| imyb n‡jv iƒcvšÍwiZ KvÐ | 18. cys ̄Íe‡Ki cÖwZwU m`m ̈‡K Kx e‡j? [What is each member of the stamen called?] ̄¿x †Kki cys‡Kki cys`Û civMavbx DËi: cys‡Kki e ̈vL ̈v: cys‡ ̄Íe‡Ki cÖwZwU m`m ̈ ÷ ̈v‡gb ev cys‡Kki| 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| 19. cvZvi cÖavb Ask †KvbwU? [What is the main part of the leaf?] j ̈vwgbv w÷wcDj wcwUIj †em DËi: j ̈vwgbv e ̈vL ̈v: j ̈vwgbv ev cÎdjK: †euvUvi gv_vq cvZjv, P ̈vÞv, cÖk ̄Í I meyR AskB j ̈vwgbv| j ̈vwgbvB cvZvi cÖavb Ask| 20. _vbKzwb †KvbwUi D`vniY? [Which example is related to Indian pennywort?] ivbvi wUDevi ivB‡Rvg evj¦ DËi: ivbvi e ̈vL ̈v: ivbvi : DwTM¢‡`i `ye©j KvÐ hv gvwUi Dci c‡o _v‡K Ges c‡e©i wb‡P A ̄’vwbK g~j I Dc‡i cvZv †ei nq| †hgb: _vbKzwb| 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| 21. dj Dci †_‡K wb‡P `ywU Kcv‡U we`xY© n‡j Zv‡K Kx e‡j? [What is called a fruit that splits into two valves from top to bottom?] wmwjKyqv K ̈vcwmDj wjwMDg K ̈vwiAcwmm DËi: wjwMDg e ̈vL ̈v: wjwMDg (Legume) : dj Dci †_‡K wb‡P `ywU Kcv‡U we`xY© nq| †hgb- wkg, gUi| K ̈vcwmDj (Capsule) : dj Dci †_‡K wb‡P eû Kcv‡U we`xY© nq| †hgb- ayZyiv, †Xuom, cvU| K ̈vwiAcwmm (Caryopsis) : dj GK cÖ‡Kvôwewkó Ges GKwU gvÎ exRhy3| djZ¡K I exRZ¡K ci ̄úi msjMœ _v‡K| †hgb- avb, Mg| wmwjKzqv (Siliqua) : ﮋ we`vix dj hv cwicK¡ n‡j wbP †_‡K Dc‡ii w`‡K μgk †d‡U hvq| GB dj j¤^v I bjvKvi nq| †hgb- mwilv, g~jv| 22. mc©gwb †Kvb DwTM¢‡` cvIqv hvq? [In which plant can a strobilus be found?] Ephedra Gnetum Ginkgo Cycas DËi: Cycas e ̈vL ̈v: Cycas Gi ̄¿x‡iYycÎ †`L‡Z A‡bKUv dYv †Zvjv mv‡ci gv_vi g‡Zv| kni-e›`‡ii iv ̄Ívi av‡i, Ômc©gwYÕ bvg K‡i G ̧‡jv wewμ Kiv nq- me© †iv‡Mi Ilya Ges mc© †iv‡Mi Ilya wn‡m‡e| Avm‡j Gi †Kv‡bv D‡jøK‡hvM ̈ Ilywa ̧Y †bB| 23. Kgcø ̈vb •Zwi‡Z †KvbwU e ̈eüZ nq? [Which is used in the preparation of complan?] avb Mg evwj© fzÆv DËi: evwj© e ̈vL ̈v: (i) Oryza sativa (avb) : Pvl Kiv nq| evOvwji cÖavb Lv` ̈ fvZ Av‡m av‡bi Pvj †_‡K| wPov, gywo, wcVv, cv‡qm meB Av‡m avb ev Pvj †_‡K| Lo DuPzgv‡bi †Mv-Lv` ̈ I R¦vjvwb wn‡m‡e e ̈eüZ nq| av‡bi Kzov †_‡K †fvR ̈ †Zj I nuvm-gyiwMi Lv` ̈ cÖ ̄‘Z Kiv nq|
3 (ii) Triticum aestivum (Mg) : Pvl Kiv nq| AvUv, mywR, gq`v BZ ̈vw`i Rb ̈ Pvl Kiv nq| iæwU, c‡ivUv, cvDiæwU, we ̄‹zU cÖf„wZ •Zwi‡Z e ̈envi Kiv nq| M‡gi Lo †Mv-Lv` ̈ I R¦vjvwb wn‡m‡e e ̈envi Kiv nq| (iii) Zea mays (fzÆv) : Pvl Kiv nq| fzÆv †_‡K cvcKb I LBmn wewfbœ cÖKvi Lv` ̈mvgMÖx •Zwi Kiv nq| fzÆv †_‡K Kb©‡d¬· •Zwi nq| nuvm-gyiwMi Lv` ̈ I R¦vjvwb wn‡m‡e e ̈envi Kiv nq| (iv) Hordeum vulgare (he ev evwj©) : Pvl Kiv nq| h‡ei AvUvi Rb ̈ Pvl Kiv nq| h‡ei QvZz Dcv‡`q mnRcvP ̈ I ̄^v ̄’ ̈cÖ` Lv` ̈| niwj· I Kgcø ̈vb RvZxq Lv` ̈`a‡e ̈i Dcv`vb wn‡m‡e e ̈envi Kiv nq| 24. †KvbwUi KwPcvZv cvK ̄’jxi cxov I Pg©‡iv‡Mi Jla wn‡m‡e e ̈eüZ nq? [Which plant's young leaves are used as medicine for stomach pain and skin diseases?] Cycas revoluta Cycas circinalis Cycas pectinata Thuja orientalis DËi: Cycas circinalis e ̈vL ̈v: Cycas revoluta Gi exR Lv` ̈ wn‡m‡e e ̈eüZ nq| Cycas pectinata DwTM¢‡`i KwPcvZv mewR wn‡m‡e e ̈eüZ nq| Cycas circinalis cÖRvwZi KwP cvZv cvK ̄’jxi cxov I Pg©‡iv‡Mi Ilya wn‡m‡e e ̈eüZ nq| 25. c„w_exi mKj Ave„ZexRx DwTM¢`‡K cÖavbZ KZwU †kÖwY‡Z fvM Kiv nq? [How many main classes are all angiosperm plants of the world divided into?] 3 4 2 5 DËi: 2 e ̈vL ̈v: Ave„ZexRx DwTM¢‡`i †MvÎ cwiwPwZ : c„w_exi mKj Ave„ZexRx DwTM¢`‡K cÖavbZ `yÕwU †kÖwY‡Z fvM Kiv nq; h_v- 1| g ̈vM‡bvwjqv †kÖwY (Magnoliopsida) ev wØexRcÎx DwTM¢` Ges 2| wjwj †kÖwY (Liliopsida) ev GKexRcÎx DwTM¢`| 26. gwiP dz‡ji civMavbx Kx ai‡bi? [What is the shape of the anther of Chilli flower?] GK‡Kvlx ÿz`a e„°vKvi me©gyL DËi: e„°vKvi e ̈vL ̈v: gwiP dzj Malvaceae †Mv‡Îi AšÍf©y3| G †Mv‡Îi dz‡ji civMavbx GKcÖ‡Kvôx (GK‡Kvlx bq) I e„°vKvi| 27. jvj cvZvi Agivweb ̈vm †Kvb cÖKv‡ii? [What is the placentation of Red leaf?] kxl©K Aÿxq g~jxq gy3ga ̈ DËi: kxl©K e ̈vL ̈v: (i) A ̈v·vBj (axile) ev Aÿxq : †hgb- Hibiscus rosa– sinenisis (Rev)| (ii) wd« †m›Uavj (free central) ev gy3ga ̈ : †hgb- ZuyZ, bywbqv kvK| (iii) †emvj (basal) ev g~jxq : †hgb- wÎaviv, m~h©gyLx, Oryza sativa (avb)| (iv) G ̈vwcK ̈vj (apical) ev kxl©K : †hgb- awbqv, jvj cvZv| 28. wb‡¤œi †Kvb DwTM¢‡` wg‡_vRxweZv jÿ ̈ Kiv hvq? [In which of the following plants can symbiosis be observed?] Hibiscus rosa-sinensis Cycas pectinata Oryza sativa Riccia discolor DËi: Cycas pectinata e ̈vL ̈v: Cycas pectinata wg‡_vRxweZv cÖKvk K‡i| 29. †Kvb DwTM¢`wU wejywßi AvksKvq i‡q‡Q? [Which plant is endangered?] Gnetum oblongum Cycas revoluta Podocarpus neriifolius Mangifera indica DËi: Gnetum oblongum e ̈vL ̈v: evsjv‡`‡k Gnetum Gi `yB-wZbwU cÖRvwZ Av‡Q e‡j aviYv Kiv nq| cÖRvwZ ̧‡jv n‡jv Gnetum oblongum, Gnetum montenun, G. latifolium| 30. mKj Ave„ZexRx DwTM¢`‡K 380 wU †Mv‡Îi AšÍfz©3 K‡ib †K? [Who classified all angiosperms into 380 families?] μbKzB÷ Gg. mvjvi Lvb j ̈vÛ‡÷Bbvi †i‡Ûj DËi: μbKzB÷ e ̈vL ̈v: W. Av_©vi μbKzB÷ (1981) mKj Ave„ZexRx DwTM¢`‡K 380 wU †Mv‡Îi AšÍf©y3 K‡i‡Qb| Gi g‡a ̈ wØexRcÎx DwTM¢` †MvÎ 315 wU Ges GKexRcÎx DwTM¢‡`i †MvÎ 65 wU| ---