Oku o/kZu 1 Ok`{k o`f)

Oku o/kZu okfudh ;k ou foKku dh og 'kk[kk ou lL;ksa ds LFkkiu] fodkl] iqu:Riknu rFkk ifjikyu dh foospu djrh gSA bf.M;u QkWjSLV,.M QkWjSLV izksMDV~l VehZukWykSth ds vuqlkj] ou o/kZu ou lL;ksa dh [ksrh djus dk foKku rFkk dyk gSA foKku 'kCn & ou o`{k foKku rFkk dyk 'kCn & ou o`{k foKku ds fl}karksa dk O;kogkfjd iz;ksx A ou o`{k foKku esa o`{kksa vkSj ouksa dks tSfod bdkbZ;ksa ds :i esa ns[krs gq, mudh o`f} vkSj fodkl ds fu;eksa rFkk mu ij i;kZoj.k ds izHkko dk v/;;u fd;k tkrk gSA

Oku o/kZu ds v/;;u dh vko';drk ;fn ge pkgrs gS fd ou gekjh c<+rh gqbZ tula[;k ds fy;s vf/kdkf/kd izdk"B nsa] gekjs m|ksx /ka/kksa ds fy;s xq.kksa okyk dk"B miyC/k djk;sa rks gesa ou o/kZu ds Kku ds vk/kkj ij ouksa dks Lo;a iSnk rFkk fodflr djuk iM+sxkA ou o/kZu dk Kku fuEu :i esa lgk;d & ¼ i ½vkfFkZd n`f"V ls ewY;oku iztkfr;ksa dk mRiknu ¼ ii ½xq.koku izdk"B dk mRiknu ¼ iii ½izfr gsDVS;j vf/kd izdk"B vk;ru dk mRiknu ¼ iv ½vkorZu esa deh ¼ v ½fjDr rFkk ou foghu LFkkuksa ij ou yxkuk ¼ vi ½izkd`frd ouksa ds LFkku ij ekuo fufeZr ouksa dk fuekZ.k

o`{k o`f} o`{k & o`{k,d izdkj dk ikS/kk A ikS/kksa rhu oxks± esa foHkkftr fd;k tk ldrk gSA 1- cwVh ;k 'kkd & ÅapkbZ lk/kkj.kr;k,d ehVj ls vf/kd ugha A rus lnSo dksey vkSj gjsA okf"kZd] f}okf"kZd rFkk cgqokf"kZd A 2- {kqi ;k >kM+h ÅapkbZ lk/kkj.kr;k 6 ehVj ls vf/kd ugha A,d gh tM+ ls dbZ rus A cwfV;ksa ds ruksa dh vis{kk dqN eksVs vkSj dk"Bh; A iryh&iryh 'kk[kk,a Hkh A 3- o`{k ÅapkbZ 6 ehVj ls vf/kd gksdj yxHkx 127 ehVj rdA lk/kkj.kr;k,d eksVk yEck vkSj dk"Bh; ruk A i`Foh ls dqN nwjh ij muds ruksa ls 'kk[kk,a fudyrh gSa tks mi'kk[kkvksa esa foHkkftr gksdj var esa o`{k ds Åijh Hkkx esa iRrksa dk,d N=k cukrh gS

o`{kksa ds Hkkx rhu Hkkx ¼d½Hkwfe ds Åij 1½N= 2½ruk ;k LdU/k ¼[k½Hkwfe ds vanj 3½ewy ;k tM rhuksa vo;oksa esa fudVre lUrqyu jgrk gS vkSj buesa ls izR;sd nwljs ds vkdkj vkSj o`f} dks izHkkfor djrk gSA

o`{kksa ds Hkkxksa ds xq.k 1½N= v½vkd`fr rFkk vkdkj c½'kk[kkvksa ds fudyus dk <ax l½iRrksa dh mifLFkfr ;k mudk >M+uk & ir>M+h ;k i.kZikrh,oa lnkgfjr ;k lnki.khZ c½iRrksa dk jax vkdkj vkSj cukoV 2½ruk ;k LdU/k ruk yack vkSj izk;% csyukdkj ijarq dbZ iztkfr;ksa esa NksVk vkSj Åij dh vksj Øe'k% iryk &'kq.Mkdkj rus ds fupys Hkkxksa esa ia[k dh vkd`fr dh iryh ckg~; o`f} & cVªsl ukyhnkj ruk

o`{kksa ds Hkkxksa ds xq.k 3½tM+ eq[; nks dk;Z v½o`{k dks Hkwfe esa n`<+rk ds lkFk fLFkj j[kukA c½[kfut yo.k ;qDr e`nk ty dks lks[kdj rus esa igqWpkukA izR;sd o`{k esa,d ewlyk tM+ vLFkkfud tM+sa & izdkj i ½LrEHkd tM+sa ii ½ruk ewy iii ½'olu ewy iv ½ijthoh ;k ijkJ;h tM+sa

The life cycle of a plant There are 7 stages in the life cycle of a plant. seed / fruit Formation seed dispersal germination flower formation pollination fertilisation development

o`{kksa dk Qwyuk rFkk cht iSnk djuk thou pØ dks cuk;s j[kus ds fy, Qwy iSnk & Qwyksa ls Qy vkSj Qy ls cht Qwy yxus dk le;],d ckj Qwyus ds ckn nqckjk Qwyuk] Qwyksa dh ek=k vkfn & iztkfr] vk;q] vkdkj] N=&n’kk rFkk _rq ij fuHkZj Qwyus dk le; o`{kksa esa Qwyksa dh ek=k Hkh izfr o"kZ,d lh ugh jgrhA ckal dk iq"i.k ckalksa dk iq"i.k fofp=A fdlh csMh ds dqN os.kq ;k fdlh LFkku esa dqN csfM+;k¡ Qwyrh gSa & vlkewfgd ;k NqViqV (sporadic) iq"i.k izR;sd csM+h ds lc os.kq,d lkFk Qwy mBrs gSa & lkewfgd iq"i.k (gregarious flowering)

Qwyksa dk ijkx.k vkSj cht dk iduk,d gh fyax ds Qwy &,dfyaxkJ;h (dioecious) o`{k uj vkSj eknk Qwy vyx&vyx & mHk;fyaxkJ;h (monoccious) o`{k iw.kZ fodflr Qwy ds ijkx d.k (pollen grains) mlh Qwy ;k nwljs Qy ds ;ksfu&N= (stigma) rd igq¡p tkrs gSa & ijkx.k (pollination) A ijkx&d.k mlh Qwy ds ;ksfu&N= ij igq¡p tkrs gSa & Lo;a&ijkx.k (self pollination) ijkx&d.k mlh iztkfr ds nwljs Qwy dh ;ksfu&N= ij igq¡prs gSa] & vij&ijkx.k (cross pollination) A ijkx.k ds ek/;e ok;q] ty] dhM+ksa rFkk tarqvksa }kjk

Getting the seeds dispersed What are the adaptations that help these shorea Dispersal by wind small light dry wing-like Dispersal by wind small light dry wing-like

Reproduction in plants — Getting the seeds dispersed tomato Dispersal by animals (eaten) bright colours sweet juicy Dispersal by animals (eaten) bright colours sweet juicy Dispersal by animals (carried) small hooks stiff hairs Dispersal by animals (carried) small hooks stiff hairs

Getting the seeds dispersed coconut Dispersal by water buoyant waterproof air spaces Dispersal by water buoyant waterproof air spaces Dispersal by splitting open dry and hard fruit wall Dispersal by splitting open dry and hard fruit wall

/kU;okn