gkbz Ldwy lfvzfqdsv ijh{kk High School Certificate Examination

Set - C gkbz Ldwy lfvzfqdsv ijh{kk High School Certificate Examination lseiy&iz'u i= SAMPLE PAPER fo"k; %& (Subject) - fokku le; 3?k.Vk (Time- 3 Hrs) d{kk %& (Class) - nloha iw.kkzad 75 (M.M.) (Instruction) & ¼funsZ k½ 1- lhkh iz'u gy djuk vfuok;z gs A Attempt all the Question 2- iz'u Øekad 01 esa 10 vad fu/kkzfjr gs A nks mi[k.m gs A [k.m ^^v** esa 05 cgqfodyih; iz'u rfkk [k.m ^^c** esa 05 fjdr LFkkuksa dh iwfrz vfkok mfpr laca/k tksfm, A izr;sd iz'u ds fy, 1 vad vkcafvr gs A Q. No. 01 Carries 10 Marks. There are two sub-section, Section A is Multiple choice carries 05 marks and section B is fill in the blanks or match the column carries 05 marks. 3- iz'u Øekad 02 ls iz'u Øekad 06 rd vfr y?kqmrrjh; iz'u gs A izr;sd iz'u ij 02 vad vkcafvr gs A mrrj dh vf/kdre 'kcn lhek 30 'kcn A Q. No. 2 to 06 are very short answer type question & it carries 02 marks each. Word limit is maximum 30. 4- iz'u Øekad 07 ls iz'u Øekad 10 rd y?kqmrrjh; iz'u gs A izr;sd iz'u ij 03 vad vkcafvr gs A mrrj dh vf/kdre 'kcn lhek 50 'kcn A Q. No. 07 to 10 are short answer type question & it carries 03 marks each. Word limit is maximum 50. 5- iz'u Øekad 11 ls iz'u Øekad 14 rd y?kqmrrjh; iz'u gs A izr;sd iz'u esa vkarfjd fodyi gs vksj izr;sd iz'u ij 04 vad vkcafvr gs A mrrj dh vf/kdre 'kcn lhek 75 'kcn A Q. No. 11 to 14 are short answer type question & it carries 04 marks each. Each question has internal choice. Word limit is maximum 75. 187

6- iz'u Øekad 15 ls iz'u Øekad 17 rd nh?kzmrrjh; iz'u gs A izr;sd iz'u esa vkarfjd fodyi gs vksj izr;sd iz'u ij 05 vad vkcafvr gs A mrrj dh vf/kdre 'kcn lhek 100 'kcn A Q. No. 15 to 17 are long answer type question & it carries 05 marks each. Each question has internal choice. Word limit is maximum 100. 7- iz'u Øekad 18 ls iz'u Øekad 19 rd nh?kzmrrjh; iz'u gs A izr;sd iz'u esa vkarfjd fodyi gs vksj izr;sd iz'u ij 06 vad vkcafvr gs A mrrj dh vf/kdre 'kcn lhek 150 'kcn A Q. No. 18 to 19 are long answer type question & it carries 06 marks each. Each question has internal choice. Word limit is maximum 150. 188

Ikz'Uk 1 ¼v½ Lkgh fokdyik dk PkqUkkOk dj mlks vikukh mrrkj IkqfLRkdk Eksa fykf[k, & 1- gjs jaxk dk dkapk CkUkkUks ds fyk, kksfxkd dk mik kksxk fd kk TkkRkk gs& (a) fukfdyk vkdlkkbm (c) ØksfEkd vkdlkkbm (b) EkSaXkUkhTk vkdlkkbm (d) dsmfek kek 2- LkkE kkoklfkk Eksa fukdk k dh ÅTkkZ dk EkkUk gksrkk gs& (a) vf/kdrkek (c) 'kwu k (b) U kwukrkek (d) mikjksdrk Eksa Lks dksbz UkghA 3-,d RkROk dk byksdvªkfukd foku kklk 2] 8] 3 gs kg RkROk gksxkk & (a) s&cykkd RkROk (c) d& CYkkd RkROk (b) p&cykkd RkROk (d) f&cykkd RkROk 4-,d,fEIk kj dk EkkUk gksrkk gs& (a) 1 dwykkwek 1 lsd.sm (c) 1 dwykkek 1 LksdaM (b) 1 lsd.sm 1 dywkkwek (d) mikjksdrk Eksa Lks dksbz Ukgha A 5- IkOkUk PkDdh dks IkzPkkfYkRk djuks ds fyk, U kwukrkek Okk kq dh XkfRk vkok' kd gsa (a) 10 fd-eh-@?kavk (c) 20 fd-eh-@?kavk (b) 15 fd-eh-@?kavk (d) 25 fd-eh-@?kavk Que 1 (A) Choose he correct option and answer - (i) The compund used for making green colour glass - 189

(a) Nickel oxide (c) chromic oxide (b) Manganese oxide (d) cadmium. (ii) A euilibrium the energy of a system is - (a) maximum (c) zero (b) minimum (d) none of the above (iii) The electronic configuration of an element is 2, 8, 3. The element is - (a) 5- block element (c) d-block element (b) p-block element (d) f-block element (iv) The value of one ampere is - (a) 1 coulomb 1 second (c) 1 coulomb 1 second (b) 1 second 1 coulomb (d) none of the above (v) The minimum speed of the wind required to run a wind mills is - (a) 10 km/hr. (c) 20 km/hr. (b) 15 km/hr. (d) 25 km/hr. ¼Ck½ fjdrk LFkkUkksa dh IkwfRkZ dhftk, A 1-10 vksek ds 5 IkzfRkjks/kksa dks Js.khØEk Eksa Lka kksftkrk fd ks Xk, gsa mukdk Ikfj.kkEkh IkzfRkjks/k &&&&&&&&&gksxkk A 2- UkEkZ Ykksgs dks PkqEcfdRk djukk Ok fokpkqeckfdrk djukk LVhYk dh RkqYkUkk Eks a &&&&&&&& gsa 190

3- mikokklk ds LkEk k ÅTkkZ&&&&&&&&&&&Lks IkzkIRk gksrkk gsa 4- vikzdk'kh k fø kk Eksa CO 2 ds flfkjhdj.k Lks &&&&&&&&&&CkUkRkk gsa 5- Okk kq Ikznw"k.k ds fyk, TkhOkk'Ek b±/kukksa dk &&&&&gh Ekq[ k dkj.k gsa (B) Fill in the blanks - 1. Five resistances of 10 ohm each are connected in series. The resultant resistance is... 2. Magnetisation and demagnetisation of iron in comparison to steel is... 3. During fasting energy is obtained from... 4. In dark reaction... is formed by the fixation of CO 2 5. The main cause for the air pollution is the... of fossil fuel. Ikz'Uk 2 IkzXkYkUk dks IkfjHkkf"kRk dhftk, 2 vad Define smelting. Ikz'Uk 3 Ikw.kZ vkarkfjd IkjkOkRkZUk dh nks 'krksz fykf[k, A 2 vad Write the two essential conditions for total internal reflection. Ikz'Uk 4 vurkzxkzg.k dks IkfjHkkf"kRk dhftk, 2 vad Define Ingestion. Ikz'Uk 5-,d PkkYkd dk IkzfRkjks/k 20 vksek gsa PkkYkd Eksa,d,fEIk kj dh /kkjk IkzOkkfgRk djuks Ikj fdrkukk fokhkokkurkj mrikuuk gksxkk A lw= 1 vad] x.kuk 1 vad A conductor has resistance of 20 ohms and one amphere current flows 191

through it. What will be potential difference across it. Ikz'Uk 6- DYkksEk 'OkLkUk dks LIk"V dhftk, 2 vad Explain respiration through gills. Ikz'Uk 7- Ek`nk Ikznw"k.k ds RkhUk dkj.k fykf[k, ¼1$1$1½ Write three causes of Soil pollution. Ikz'Uk 8- jklkk kfukd LkEkhdj.k nhftk, & IkzR ksd Ikj 1 vad A 1- XkEkZ C ¼dkcZu½ Ikj TkYk dh Okk"Ik IkzOkkfgRk dh TkkRkh gsa 2- CkqÖks gq, PkwUkk Ikj DYkksjhUk XkSLk IkzOkkfgRk djrks gsaa 3- NaHCO 3 dks XkEkZ fd kk TkkRkk gsa Give chemical equations - (i) (ii) Water vapour is passed over heated C (Carbon). Cl 2 gas passed over slaked lime. (iii) NaHCO 3 is heated. Ikz'Uk 9- /kkrkq,oka v/kkrkq Eksa HkkSfRkd Xkq.kksa ds vk/kkj Ikj RkhUk varkj fykf[k, A ¼1$1$1½ Write three differences in physical properties of metal and non metals. Ikz'Uk 10- LFkkbZ XkqaCkTk dk Ckk kksxkslk Lka ka«k dk dsokyk UkkEkkafdRk fpk«k CkUkkb ksa 3 vad Draw a labelled diagram of fixed dome type biogas plant. Ikz'Uk&11 vfhkfø kk nj dks IkzHkkfOkRk djuks OkkYks Pkkj dkjdks a dks o.kzu dhft, A ¼1$1$1$1½ Give four factors that affect the rate of reaction. 192

jklkk kfukd LkkE k ds Pkkj IkzEkq[k Yk{k.k fykf[k, A ¼1$1$1$1½ Give four main characteristics of chemcial equilibrium. Ikz'Uk&12,fLkfVd veyk fukekkz.k dh 'kh?kz flkjdk fokf/k dk fukeukkafdrk 'kh"kzdksa Eksa Ok.kZUk dhftk,a (i) vfhkfø kk dk jklkk kfukd LkEkhdj.kA 1 vad (ii) Ikz kksxk fokf/k Lka{ksIk Eksa A 2 vad (iii),flkfvd veyk dh NH 4 OH Lks vfhkfø kk dk dsokyk LkEkhdj.kA 1 vad Describe the quick Vinegar process of manufacture of acetic acid on the headings given below. (i) (ii) Chemical equation of the reaction. Laboratory method in brief. (iii) Chemical equation for the reaction of acetic acid with NH 4 OH.,fFkYk,YdksgkWYk fukekkz.k dh fd.ouk fokf/k dk Ok.kZUk fukeukkafdrk 'kh"kzdksa ds varkxkzrk dhftk,a (i) vfhkfø kk dk jklkk kfukd LkEkhdj.k & 1 vad (ii) fokf/k dk Lka{ksIk Eksa Ok.kZUk & 2 vad (iii),ffkyk,ydksgkwyk dh Na /kkrkq Lks vfhkfø kk dk LkEkhdj.k A 1 vad Describe the fermentation method for the manufcture of ethyl alcohol 193

under the following headings. (i) (ii) Chemical equation of the reaction. Brief description of the process. (iii) Chemical equation for the reaction of ethyl alcohol and Na Metal. Ikz'Uk&13 PkqECkdROk ds fyk, dwykkwek dk O kwrøek OkXkZ dk fuk kek fyk[kdj,dkad /kzqok dks LkEkÖkkb ks A ¼3$1½ Write the Coulomb's inverse square law of magnetism and explain unit pole. flk) dhftk, %& V = Htanθ ¼2$2½ Tkgk θ ¾ UkEk.k dks.k 2 2 2 I = H + V I ¾ Ik`FOkh dh LkaIkw.kZ RkhOkzRkk H ¾ Ik`FOkh dh {ksfrktk?kvd V ¾ m/okkz/kj?kvd gsa Prove that :- V = H tanθ ¼2$2½ 2 2 2 I = H + V Where θ = Angle of declination. I = Total intensity of earth's magnetic field H = Horizontal component of earth's magnetic field 194

V = Vertical component. Ikz'Uk&14 :f/kj ds fdugha Pkkj dk kksz dk Ok.kZUk dhftk,a ¼1$1$1$1½ Describe any four functions of blood. YkLkhdk ds fdugha Pkkj dk kksz dk Ok.kZUk dhftk,a ¼1$1$1$1½ Describe any four functions of lymph. Ikz'Uk&15 CkgqYkd fdlks dgrks gs\ IkzkÑfRkd,Oka Lka'Yksf"kRk CkgqYkd ds nks&nks mnkgj.k nsdj LkEkÖkkb ksa ¼1$1$1$1$1½ What are polymers? Explain giving two examples for each natural and synthetic polymers. P.V.C. dk Ikwjk UkkEk vksj Lkw«k fyk[kdj blkds RkhUk Xkq.k fykf[k,a Write the full name and formula of P.V.C. and give three properties of it. Ikz'Uk&16 vkwdlkh'oklkuk,oka vukkwdlkh 'OkLkUk Eksa IkkaPk varkj fykf[k,a ¼1$1$1$1$1½ Give five differences between aerobic and anaerobic respiration. 'OkkLkksPNOkkLk,Oka 'OkLkUk Eksa IkkaPk varkj fykf[k,a ¼1$1$1$1$1½ Give five differences between breathing and respiration. Ikz'Uk&17 Ikz kksxk 'kkykk Eksa vokrkyk nikz.k dh Qksdl nwjh KkRk djuksa dh,oa fikuk fokf/k dh Ikz kksxk dk Ok.kZUk fukeukkafdrk 'kh"kzdksa ds varkxkzrk dhftk,a 195

(i) flk)kark (ii) UkkEkkafdRk js[kkfpk«k (iii) vokykksduk Lkkfj.khA ¼1$2$2½ Describe the single pin method to find out the focal length of a concave mirror on the following headings - (i) Theory (ii) Labelled diagram (iii) Observation table. Ikz kksxk'kkykk Eksa dkapk ds vk krkkdkj XkqVdsa dk vikokrkzukkad KkRk djuks ds Ikz kksxk dk Ok.kZUk fukeukkafdrk 'kh"kzdksa ds vurkzxkrk dhftk,a ¼1$2$2½ (i) flk)kark (ii) UkkEkkafdRk js[kkfpk«k (iii) vokykksduk Lkkfj.kh Explain the determination of refractive index of a glass slab in the laboratory on the following prints - (i) Principle (ii) Labelled diagram (iii) Observation table. Ikz'Uk&18 fok qrk IkfjIkFk Eksa mik kksxk gksuks OkkYks fukeukkafdrk LkadsRkksa ds UkkEk fykf[k,a & Write the names of the following symbols used in an electric circuit. IkzR ksd Ikj 1 vad (i) + (ii) + (iii) ( ) (iv) (v) (vi) fok qrk IkfjIkFk Eksa mik kksxk gksuks OkkYks fukeukkafdrk LkadsRkksa ds UkkEk fykf[k ksa Write the names of the following symbols used in an electric circuit. 196

IkzR ksd Ikj 1 vad (i) ( ) (ii) G (iii) + A (iv) (v) (vi) Ikz'Uk&19 EkkUkOk Eksa mrlktkzuk Rka«k dk LkfPk«k Ok.kZUk dhftk, ¼2$2$2½ Explain the excretory system of a man with a labelled diagram. EkkUkOk Eksa Ekw«k fukekkz.k dh IkzfØ kk dk LkfPk«k Ok.kZUk dhftk,a Explain the process formation of urine with a labelled diagram. 197