Page 13 - Zoology

wØZxq Aa¨vq- cÖvYxi cwiwPwZ (Hydra)
mb&Rq P›`ª gÛj, mnKvwi Aa¨vcK, Dw™¢`weÁvb, RqcyinvU miKvwi K‡jR, RqcyinvU|

1| DÏxcK t 1700 mv‡j Aveªvnvg †U¤^‡j GKwU cÖvYx Avwe®‹vi K‡ib| wMÖK cyiv‡Yi eû g¯ÍK wewkó KvíwbK ˆ`‡Z¨i bvgvbymv‡i wjwbqvm Gi bvgKiY K‡ib|
K) wØ-¯Íix I wίÍix cÖvYxi msÁv `vI|
L) nvBWªvi ‡`n cÖvPx‡ii †Kvlmg~‡ni bvg wjL|
M) DÏxc‡Ki cÖvYxi evwn¨K MVb wjL|
N) wPÎmn DÏxcK cÖvYxi ewnt¯Í‡i cÖvß wewfbœ cÖKvi †Kv‡li MVb I KvR wjL|
nvBWªvi †kªYxweb¨vmt- wKsWg- Animalia
ce©- Cnidaria
‡kªYx- Hydrozoa
eM©- Hydroida
‡MvÎ- Hydridae
MY- Hydra
cÖRvwZ- Hydra vulgaris
1| K) wØ-¯Íix/ wW‡cøveøvw÷K cÖvYxt-
åyYve¯’vq †h mg¯Í cÖvYxi †`ncªvPxi G‡±vWvg© I G‡ÛvWvg© bvgK 2wU †Kvlxq ¯Í‡i web¨¯Í _v‡K Zv‡`i‡K wØ-¯Íix cÖvYx e‡j|
GB ¯Íi؇qi gv‡S †g‡mvwMøqv bvgK A‡Kvlxq ¯Íi we`¨gvb| †hgb- Hydra vulgris GKwU wØ-¯Íix cÖvYx|
wίÍix cÖvYx ev wUªc‡jveøvwóK cÖvYxt-
åyYve¯’vq †h mg¯Í cÖvYxi †`n cÖvPxi G‡±vWvg©, †g‡mvWvg© I G‡ÛvWvg© bvgK 3wU †Kvlxq ¯Í‡i mw¾Z _v‡K Zv‡`i‡K wίÍix/
wUª‡cøveøvwóK cÖvYx ejv nq| Annelida n‡Z Chordata ce© ch©šÍ mKj cÖvYxB wίÍix| D`vniY Ñ Bufo melanostictus,

Homo sapiens BZ¨vw`|

L) nvBWªvi †`ncÖvPx‡ii †Kvlmg~n t
1. GwcWvwg©m ev ewntZ¡K t †cwk-AveiYx †Kvl, B›Uviw÷wkqvj †Kvl, ¯œvqy †Kvl, ms‡e`x †Kvl, MÖwš’ †Kvl, Rbb †Kvl, wb‡WvmvBU|
2. ‡g‡mvwMøqv t †Kvb †Kvl¯Íi bq, G‡K ms‡hvMKvix ¯Íi ejv nq|
3. M¨v‡÷ªvWvwg©m ev AšÍtZ¡K t cywó †Kvl, MÖwš’ †Kvl, B›Uviw÷wkqvj †Kvl, ¯œvqy †Kvl, ms‡e`x †Kvl|
M) DÏxc‡K nvBWªv bvgK eûgšÍK wewkó cÖvYx m¤ú‡K© ejv n‡q‡Q| wb‡¤œ nvBWªvi evwn¨K MVb eY©bv KinvBWªvi evwn¨K MVb t
nvBWªvi †`n bjvKvi, j¤^v‡U Ges 1-3 †m.wg. j¤^v| †`n Aixq cÖwZmg| GKUv c~Y©v½ nvBWªvi †`‡n wbgœwjwLZ Ask¸‡jv cvIqv hvqÑ
 gyLwQ`ª ev nvB‡cv‡÷vg t nvBWªvi bjvK…wZi †`‡ni m¤§yL ev Dc‡ii cÖv‡šÍ gyLwQ`ª _v‡K| gyLwQ‡`ªi wVK wb‡P GKUv †QvU I
†gvPvK…wZi ms‡KvPb-cÖmviYkxj A½ _v‡K| G‡K nvB‡cv‡÷vg e‡j|

 †`nKvÛ t nvB‡cv‡÷v‡gi wbP †_‡K †`‡ni cðvr cÖv‡šÍ Aew¯’Z cv`PvKwZ ch©šÍ bjvKvi AskwU †`nKvÛ| nvB‡cv‡÷v‡gi
Pviav‡i Ges †`nKv‡Ûi ms‡hvM¯’‡j wKQzUv `~‡i `~‡i 6-8 wU duvcv I m~ÎvKvi Kwl©Kv e„ËvKv‡i msjMœ _v‡K|
†`nKv‡Ûi mv‡_ GK ev GKvwaK gyKzj _vK‡Z cv‡i| cÖRbb FZz‡Z c~Yv½ nvBWªvi ïµvkq Ges wW¤^vkq _vK‡Z cv‡i|

 cv`PvKwZ t †`nKv‡Ûi wbgœ ev cðvr cÖv‡šÍ PvKwZi gZ AvK…wZwewkó cv`PvKwZ ev c`Zj _v‡K| Qwe Ñ eB †_‡K|

N) DÏxc‡K nvBWªv bvgK eûgšÍK wewkó cÖvYx m¤ú‡K© ejv n‡q‡Q| Hydra Gi ewntZ¡K wewfbœ cÖKvi †Kv‡li mgš^‡q MwVZ| GB
†Kvl¸wj cÖavbZt msi¶K I DÏxcbv MÖvnK wnmv‡e KvR K‡i| Z‡e Rbb A½ ˆZix KivI GB ¯Í‡ii Ab¨Zg KvR| Hydra -Gi
ewntZ¡K wbgœwjwLZ mvZ cÖKvi †Kvl mgš^‡q MwVZ h_vt
wb‡gœ Dc‡iv³ †Kvlmg~‡ni eY©bv †`qv n‡jvt
1) †ckx AveiYx †Kvl (Musculo epithelial cells)

Ae¯’vbt Hydra Gi ewntZ¡‡Ki mgMÖ Ask Ry‡o Giv Ae¯’vb K‡i|
MVbt ewntZ¡‡Ki wewfbœ †Kvl¸wji g‡a¨ Giv eo Ges msL¨vq †ekx| Giv †`L‡Z ¯Í¤¢Kvi| GB †Kv‡li gv‡S GKwU eo
wbDwK¬qvm Ges mvB‡UvcøvR‡g wKQy Mn¶i _v‡K| †Kvl¸wji evwn‡ii cÖvšÍ wfZ‡ii cÖvšÍ A‡c¶v cÖk¯Í Ges ci¯úi hy³ n‡q GKwU
Awe‡”Q`¨ AveiY m„wó K‡i| G‡`i evB‡ii w`‡K wKDwUKj we`¨gvb| G‡`i wb‡Pi w`‡K gv‡qvwbg bvgK Zš‘ we`¨gvb| GB †Kvl¸wj
AveiYx I †ckxi b¨vq KvR K‡i e‡j G‡`i †ckx AveiYx †Kvl e‡j| KvR :

 Giv AveiY m„wó K‡i ‡`n‡K evwn‡ii AvNvZ n‡Z i¶v K‡i|
 ms‡KvPb cÖmvi‡Yi gva¨‡g PjvPj I Lv`¨MÖn‡Y mvnvh¨ K‡i|
 Giv wb‡Wveøvó †Kvl aviY K‡i|

 G‡`i wbtm„Z im wKDwUKj MVb K‡i hv †`n‡K wcw”Qj iv‡L|