Page 57 - Botany

beg Aa¨vq Ñ Dw™¢` kvixiZË¡
mb&Rq P›`ª gÛj,cÖfvlK, Dw™¢`weÁvb wefvM, RqcyinvU miKvwi K‡jR, RqcyinvU|

1| LwbR jeY †kvlY t 17wU Acwinvh© Dcv`v‡bi g‡a¨ Kve©b, nvB‡Wªv‡Rb I Aw·‡Rb Qvov evwK 14wU Dcv`vb Dw™¢` gvwU †_‡KB
†kvlY K‡i| GB 17wU †g․wjK c`v‡_©i g‡a¨ 9wU n‡jv e„nr cywó Dcv`vb Ges 8wU n‡jv ¶z`ª cywó Dcv`vb| RjR Dw™¢‡`i †¶‡Î
mgMÖ Dw™¢`vskB jeY cwi‡kvlY K‡i| Ab¨w`‡K ¯
jR Dw™¢‡`i †¶‡Î g~j‡ivg Ges g~jv‡MÖi †KvlwefvRb A‡ji ZiyY
†Kvl¸‡jvB jeY †kvl‡bi Rb¨ me‡P‡q †ewk Kvh©¶g| jeY¸jv †Kej Avqb wn‡m‡eB †kvwlZ nq|

Dw™¢‡`i LwbR jeY †kvl‡Yi cÖwµqv t Dw™¢‡` LwbR jeY †kvlY `ywU c×wZ‡Z m¤úbœ nq| h_v-
K) wbw®…q ev c‡iv¶ †kvlY (Passive absorption)
L) mwµq †kvlY (Active absorption)
wbw®Œq †kvlY t wecvKxq kw³ e¨q QvovB †ewk Nb‡Z¡i w`K †_‡K Kg Nb‡Z¡i w`‡K jeY Avq‡bi †h e¨vcb nq Zv‡KB wbw®…q
†kvlY e‡j| wbw®…q jeY cwi‡kvlY m¤ú‡K© wb‡gœ DwjøwLZ ZË¡¸‡jv cÖPwjZ Av‡Q-
1. e¨vcb ZË¡ t GB Z‡Ë¡i cÖev³vMY (nvBj‡gv, 1955; †nvc, 1953 I Ab¨vb¨) g‡b K‡ib †h, g~j‡iv‡gi †Kvli‡m we`¨gvb
Avq‡bi NbZ¡ gvwUi i‡m we`¨gvb Avq‡bi NbZ¡ Kg nIqvi Kvi‡Y e¨vc‡bi gva¨‡g gvwUi im †_‡K Avqb g~j‡iv‡gi
†Kvli‡m cÖ‡ek K‡i|
+
2. Avqb wewbgq ZË¡ t Dw™¢`g~‡ji †Kvlim n‡Z H Avqb evB‡ii `ªe‡Y wbM©Z nq| ZLb †Kv‡li •e`y¨wZK wbi‡c¶Zv eRvq
-
-
+
ivLvi Rb¨ evB‡ii `ªeY n‡Z K Avqb †Kv‡li Af¨šÍ‡i cÖ‡ek K‡i| GKBfv‡e OH Avq‡bi wewbg‡q Cl Avqb
†Kvli‡m cÖ‡ek K‡i|
3. ‡Wvbvb BKyBwjweªqvg (mvg¨ve¯’v) ZË¡ t †Kvl AveiYxi ga¨ w`‡q Ae¨vcb‡hvM¨ †Kvb w¯
i A¨vbvqb (-) †Kvlvf¨šÍ‡i _vK‡j
G‡`i wbi‡c¶ Kivi Rb¨ evwni n‡Z wKQy K¨vUvqb (+) †Kvlvf¨šÍ‡i cÖ‡ek K‡i Avq‡bi mvg¨ve¯
v eRvq iv‡L|
4. gvm (Mass) /fi cÖevn ZË¡ t cÖ‡¯^`b Uv‡bi d‡j e¨vcK nv‡i cvwbi DaŸ©gyLx cÖev‡ni mv‡_ g~j‡ivg w`‡q LwbR Avq‡bi
cwi‡kvlY N‡U|
mwµq jeY cwi‡kvlY t ‡h cwi‡kvl‡Y wecvKxq kw³i cÖZ¨¶ cÖ‡qvRb nq Zv‡K mwµq cwi‡kvlY e‡j|
1. evnK gZev` t G aviYvbyhvqx GKwU evnK AYy †Kvl AveiYx‡Z Avqb cwienb K‡i| wbw`©ó cÖKvi Avq‡bi Rb¨ wbw`©ó
evnK _v‡K| wSwjøc„‡ô †h me †cÖvwUb i‡q‡Q †m¸‡jv †Kv‡li Af¨šÍ‡i cÖ‡ek‡hvM¨ c`v‡_©i m‡½ mywbw`©ó ivmvqwbK
Dcv‡q †hvMm~Î m„wó K‡i Avqb evnK †h․M m„wó K‡i Ges Zv Dc‡hvMx n‡j wfZ‡i cÖ‡ek Kivq| G cÖwµqvq c`v_©wU
evnK-AYyi m‡½ hy³ n‡q †fZ‡i cÖ‡ek K‡i Ges †mLv‡b gy³ n‡j †cÖvwUb AYywU Avevi ewnc„©‡ô P‡j Av‡m| Gfv‡e
†KvlwSwjøi gva¨‡g c`v‡_©i cwienb m¤úbœ nq|
2. mvB‡Uvµg cv¤ú ZË¡ ev jy‡ÛMvW© Gi gZev` t G gZev‡` mvB‡Uvµg evnK wn‡m‡e K‡i| G‡¶‡Î cøvRgv ‡gg‡eª‡bi
)
†fZ‡ii Z‡j wWnvB‡WªvwR‡bR wewµqvi d‡j †cÖvUb (H ) I B‡jKUªb (e Drcbœ nq| B‡jK‡UªvbwU mvB‡Uv‡µvg
†PB‡bi gva¨‡g evB‡ii w`‡K hvq Ges Aw·‡R‡bi mv‡_ wg‡j cvwb •Zwi K‡i| Gi d‡j evB‡ii Z‡j mvB‡Uv‡µv‡gi
weRvwiZ †j․n B‡jK‡Uªvb nvwi‡q RvwiZ nq Ges GKwU A¨vbvqb MÖnY K‡i|

‡fZ‡ii Z‡j mvB‡Uv‡µv‡gi RvwiZ ‡j․n wWnvB‡WªvwR‡bR wewµqv n‡Z cÖvß B‡jKUªb MÖnY K‡i weRvwiZ nq Ges evB‡ii
Z‡j mvB‡Uv‡µv‡gi RvwiZ †j․n ‡h A¨vbvqb MÖnY K‡i Zv wewµqv †k‡l †fZ‡ii w`‡K gy³ K‡i| Gfv‡e ‡fZ‡ii Z‡j
A¨vbvqb Rgv nq d‡j †h wefe cv_©K¨ m„ó nq Zvi mgZv Avbvi Rb¨B wbw®…qfv‡e K¨vUvqb †kvwlZ nq|

mb&Rq P›`ª gÛj, mail--sanjoymondal1980@gmail.com mobile-- 01713747235 1