Jeet ias 9927518355LT EXAM PAPER [BIO GROUP] 1-DNA ds double helix esa nksuksa DNA LVSaM gksrs gSa v-Colied over protein sheath c-Coiled differently l-Colied around each other n-Coiled around a common axis2- ,fUVdksMu (anticodon) feyrk Gs v-DNA c-t RNA l-m RNA n-r RNA3-,d iz;ksx esa DNA esa 31% ,sMsuhu rFkk 19% Xokuhu ik;k x;k A blesa lkbVkslhu dh ek=k gksxh v-38% c-31% l-19% n-62%4- fdl oSKkfud us DNA dh gsfydy lajpuk (helial structure) dks izLrqr fd;k \ v-wilkins and franklin c- watson and crick l- beadle and tatumn-Kornberg and Nirenberg5- DNA ds nks {kkjd ;qxyksa ds chp dh nwjh gksrh gS v-34 nm c-3-3nm l-0-68nm n-0-34nm6-DNA esa {kkjdksa dk ;qXeu ;g iqf"V ugha djrk fd v-A/T=1 c- RNA ds {kkjd vuqdze dks Kkr dj ldrs gS l-A+T=C+G n-C=G7-fuEu eas dkSu dh lajpuk ls lacf/kr ughsa gS\ v-A=T,C=G c- DNA dk ?kuRo xeZ djus ij de gks tkrk gS l-A= T/C+G fLFkj ughsa gSa n- a and b nksuksa8- DNA esa fofo/krk dk dkj.k gS \v- sucrose c- nitrogen base l- phosphate n- glycoside bond9-DNA d ,d /kqeko esa {kkjd ;qxyksa dh la[;k gksrh gS\ v-12 c-11 l-10 n- 910-Z-DNA dk O;; gksrk gS v- 18 A c-20A l- 23A n34A11-DNA ds ,d LVSaM essa {kkj vuqdze CATGACTAG gS A vr% blds nwljs LVSaM ij {kkjd vuqdze gksxk% v- CAT TAG GAC c- GAT GTC ACT l- TAC ACTGCT n- GTA CTG ATC12-okazaki [kaM (fragment ) gSa v-RNA primers c- Short DNA fragments on leading strand l- Short DNA fragments on lagging strand n- None of these13-DNA la'ys"k.k ds le; cuus okyk [kaM gS v- polymerase fragment c- RNA fragment l- Okazaki fragment n- RNA primers14-laca/ku ds QyLo:Ik ,sDlku tqMrs gSa rFkk vfHkfdz;k dks mRizsfjr djus okyk ,Utkbe gS v-RNA ligase c-RNA catalase l-RNA permease n-RNA polymerase15-fuEu esa ls vuqys[ku (transcription) ds fy, egRoiw.kZ gS v-DNA methylase c- CAAT box l-promotor n-DNA polymerase16-,d genetic locus ds mRifjorZu ds ckn fuEu esa ls fdlds ifjorZu ds dkj.k ,d tho esa ifjorZu gksrk gS\ v-protein structure c- DNA replication l- protein synthesis pattern n- RNA transcription pattern17-izksdSfj;ksV~l esa vuqoknu ds le; v.kq dh vko';drk gksrh gS \v-Formyl-met-t-RNA ds fuekZ.k esa c-jkbckslkse ds 30S lc;wfuV ds mRNA ds lkFk tqMus esa l-30S-mRNA ds formyl-met-tRNA ls lEc) gksus ij n-jkbckslkse ds 50S lc;wfuV ds initiation complexls lEc) gksus esa18-vksdktkdh LVSUM~l dk la'ys"k.k gksrk gS v-on the leading strand during DNA replication c-on the lagging strand during DNA replication l-silent strand during transcription n- introns during transcription19- rFkk esa DNA dh v/kZlaj{kh izd`fr dh iz;ksxkRed iqf"V dh x;h v-korenberg rFkk nirenberg)kjk c-nirenberg rFkk mathali )kjk l- meselson rFkk stahl )kjk n- taylor rFkk best )kjk20-;wdSfj;ksfVd RNA ikWfyejsl III fdlds lays"k.k dks mRizsfjr djrk gS v-m-RNA c-t-RNA l-18s r-RNA n- introns21-fdlh tkfr ds fy, fuEu vuqikr fLFkj jgrk gS v- c- l- n-22-RNA dh fdl form esa clover leaf ds leku ,d lajpuk gksrh gS\ v-t-RNA c-r-RNA l-Hn-RNA n-m-RNA23-iw.kZ'kDdrk totipotency dk vFkZ gS v-izr;sd Hkzw.kh; dksf'kdk esa ,d Hkzw.k dks tUe ndud dh {kerk dk gksuk c-izr;sd Hkzw.kh; dksf'kdk esa u;s Hzkw.k dks mRiUu djus dh {kerk u gksuk l-foHkktu {kerk gksus dk vHkko n-mi;qZDr esa ls dksbZ ugha24-fuEu esa ls fdl ;qXe dk esy lgh ugh gS\ v-IykfTeM &thok.kq esa xq.klw= ckgk DNA dk ,d NksVk [k.M c-b.VjQhjku&,d ,Utkbe tks DNA fu;eu esa cks/kk Mkyrk gS l-QkfLeM &,d jksXkokgd tks cMs DNA [k.M dks iks"kd dkskk ds vUnj ys tkrk gS n-ekbyksek&V~;wej dks'kk )kjk mRiUu izdrtSfod25-iwoZ dsUnzdh esa thu fu;eu vkSj laxBu ds fy, vksisjWku ekWMy izLrkfor fd;k Fkk v-tSdkc ,ao eksukWM us c-chMy vkSj VkWVe us l-felylu ,ao LVky us n-fofYdUl vkSj QSUdfyu us26-fuEu esa ls dkSu &ls jksx fo"kk.kq )kjk gksrs gS \ v-C;wjkfMDV dk fyEQksek c-izkS< ^T* dkskk vf/kosr jDrrk l-fQukbydhVksU;wfj;k a) 1,2 vkSj 3 lgh b) dsoy 1 vkSj 2 lgh l-dsoy 2 vkSj 3 lgh n-dsoy 1 vkSj 3 lgh27-thu fu;eu dk vksisjWku ekMy rFkk izksdSfj;ksV~l dk laxBu izfrikfnr fd;k Fkk v- meselon ,ao stahl c-wilkins ,ao franklin l- beadle ,ao tautum n- jacob ,ao monod28. thUl o`f) rFkk foHksnu dk fu;eu djrs gSa v-transcription ,ao translation l s c- transduction ,ao translation ls l- transformation ls n- translation ls29-escheriachia coli esa lac operon izsfjr fd;k tkrk gS v- lactose)kjk c- promoter gene )kjk l- B galactosidase )kjk n-I-gane )kjk30-fjolZ VWaklfdzIVsl (reverse transcriptase) gS v- RNA dependent RNA polymerase c- DNA dependent RNA polymerase l- DNA depenedent DNA polymerase n- RNA dependent DNA polymerase31-foHkDr thUl (split genes) esa dksfMax dze dks dgrs gSa v-exons c-introns l-cistrons n-operons32-DNA dk intron Hkkx ftlesa v-izksVhu la'ys"k.k dksfMr gksrk gS c- DNA ds Hkkxksa dks tksMus esa lgk;d gksrk gS l-izksVhu la'ys"k.k dks dksfMr ughsa djrk gS n-izkjfEHkd vuqys[ku (transcription) djrk gS33-TEMIM ,ao BALTIMORE ds uke ds lkFk lEcfU/kr gS v- Photorespiration c- RNA synthesis l- reverse transcription n- translation34- Escherichia coli esa thu ds mRikn tqMs gksrs gSa v- operator gene to switch off structural genes c- inducer gene to switch off structural genes l-operator gene to switch on structural genes n-regulator gene to switch off structural genes35- vksisjkWu esa gksrs gSa v- operator rFkk regulator genes c- operator rFkk structural genes l- operator,regulator rFkk structural genes n- operator gene regulator gene repressor structural genes promoter gene36-vuqoknu ;k LFkkukUrj.k (translation) esa curk gS v- Protein from RNA c- DNA over DNA l-RNA over DNA n- DNA over RNA 37-TMV esa gksrk gS v- DNA c- DNA +Protein l- RNA+Protein n-DNA +RNA38-iac operon esa ySDVksl dk;Z djrk gS v-inducer c- co-induce r l- repressor n- co-repressor39-iac operon dk ?kVd ugha gSa v- primer gene c-promoter gene l- structural gene n- regulator gene40-IykfTeM ds lnaHkZ esa lR; gSv-found in viruses c-widely used in gene transfer l-contains genes for vital activities n-part of nuclear chromosomes41- vuqys[ku (transcription) ds nkSjku DNA dh og lkbV ftl ij RNA polymerase tqMrk gS mls dgrs gSa v- receptor c- promoter l-enhancer n- regulator42-dksfkdkvksa esa lwpuk &izokg dh lk/kkj.k fof/k gksrh gS v-DNA_m-RNA_protein c-DNA_r-rna_protein Lk-DNA-T-Rna _protein n-DNA-riibosome-protein43-vkf.od tho&foKku (molecular biology) ds central dogma vUrxZr~ vkrk gS v-RNA_DNa_RNA_protein c-DNA_RNA_PROTEIN l- DNA_PROTEIN_RNA n-none of the above44-uku-lsUl dksMksu dk dk;Z gS v-RNA v.kqvksa ls ikfyisIVkbM Ja[yk dks eqDr djuk c- vfof'k"V (unspecified),sehuks ,flM dk fuekz.k djuk l- ikfyisIVkbM Ja[yk dk lekiu djuk n-izksVhu la'ys"k.k ds fy, lans'k fu/kZfjr djuk45-flXek QSDVj lEc) gksrk gS v- RNA polymers ls c- RNA ligase ls l- DNa polymerase ls n- DNA ligase ls