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d{kk&12oha
Class-12th
fo"k;&d`f"k foKku ds fy;s mi;ksxh ,oa xf.kr ds ewy rRo
Subject-Elements of Science & Mathematics useful for Agriculture
le; % 3 ?k.Vs iw.kkZad&70
Time : 3 Hours Maximum Marks-70
funsZ'k %
¼d½ lHkh iz'u vfuok;Z gSaA
¼[k½ iz'u Øekad&1 ls 5 rd oLrqfu"B iz'u gSaA
¼x½ iz'u Øekad 6 ls 13 rd izR;sd 2 vad dk gS ftldh vf/kdre 'kCn lhek yxHkx
30 'kCn gSA
¼?k½ iz'u Øekad&14 ls 17 rd izR;sd iz'u 3 vad dk gSA
¼M+½ iz'u Øekad&18 vad 4 dk gSA ftldh vf/kdre 'kCn lhek yxHkx 120 'kCn gSA
¼p½ iz'u Øekad&19 ls 20 rd izR;sd iz'u 5 vad gSA ftldh vf/kdre 'kCn lhek
yxHkx 120 'kCn gSA
Instructions :-
(a) All questions are compulsory.
(b) Question No. 1 to 5 are objective type question.
(c) Question No. 6 to 13 carry 2 Marks each. Whose word limits is about 30
words.
(d) Question No. 14 to 17 carry 3 Marks each. Whose word limit is about 75
words.
(e) Question No. 18 carry 4 Marks. Whose word limit is about 120 words.
(f) Question No. 19 to 20 carry 5 Marks. Whose word limit is about 120 words.
__________________________________________________________________
oLrqfu"B iz'u
(Objective type Questions)
1- lgh fodYi dk p;u dhft,& 1X5=5
¼i½ pqEcdh; vk?kw.kZ dk lw= gS &
¼a½ 2 𝑚𝑙 ¼b½ 𝑚𝑙
¼c½ 𝐻 𝑠𝑖𝑛 𝜃 ¼d½ 2 𝑚𝐻
¼ii½ dSyksjhekih cuk gksrk gS &
¼a½ ydM+h dk ¼b½ yksgs dk
¼c½ pkanh dk ¼d½ rkaEcs dk
(iii½ ,Ydsu dk lkeU; lw= gS &
¼a½ 𝐶 𝐻 ¼b½ 𝐶𝑛𝐻
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¼c½ 𝐶𝑛 𝐻 ¼d½ 𝐶𝑛𝐻
(iv½ ,FksukWy 𝑁𝑎𝑜𝐻 rFkk 𝐼 ds lkFk nsrk gS &
¼a½ ,fFky vk;ksMkbM+ ¼b½ lksfM;e ,FkkWDlkbM
¼c½ ,Fksu ¼d½ vk;ksMkQkeZ
(v½ izksVhu dk vko';d rRo gS &
¼a½ lYQj ¼b½ Dyksjhu
¼c½ ukbZVªkstu ¼d½ vk;ju
Choose the Correct Option :-
(i) Formulae of magnetic moments is -
(a) 2 𝑚𝑙 (b) 𝑚𝑙
(c) 𝐻 𝑠𝑖𝑛 𝜃 (d) 2 𝑚𝐻
(ii) Calorimeter is made up of -
(a) wood (b) Iron
(c) Silver (d) Copper
(iii) Simple formula of Alkane is -
¼a½ 𝐶 𝐻 ¼b½ 𝐶𝑛𝐻
¼c½ 𝐶𝑛 𝐻 ¼d½ 𝐶𝑛𝐻
(iv) Ethenal give 𝑁𝑎𝑜𝐻 with 𝐼 is -
(a) Ethical Iodide (b) Sodium Ethoreiae
(c) Ethane (d) Idoform
(v) Asssential element of Protein is -
(a) Sulpner (b) chlorine
(c) Nitrogen (d) Iron
2- fjDr LFkkuksa dh iwfrZ dhft, & 1X6=6
¼a½ pqEcdh; cy js[kk;sa ,d nwljs dks dHkh ------------------ gSaA
¼b½ Hkki dh xqIr m"ek ------------------gksrh gSA
¼c½ Xyqdkst dk v.kqlw= ------------------ gSA
¼d½ ,sflVhyhu vfr vYi foys; gS ------------------ esaA
¼e½ fyfiM+l ty esa ------------------gksrs gSaA
¼f½ 'kSokyksa dh dks'kkfHkfr ------------------cuh gksrh gSaA
Fill in the blanks :-
(a) Magnetic force lines each other is _________
(b) Latent heat of Vapour is __________
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(c) Molecular formula of Glucose is ___________
(d) Acetylene is ultra-meager salute __________ in the
(e) Lipids are __________ in water.
(f) Cell wall of Algaes made of __________
3- lgh tksfM+;kWa cukb;s & 1X5=5
¼v½ ek/; fopyu ¼a½ Y;wucsu gkWd
¼c½ fopj.k xq.kkad ¼b½ vkuqoaf'kdh bathfu;fjax
¼l½ lw{e tSfodh ¼c½ twy
×
¼n½ thu fpfdRlk ¼d½
¼b½ Å"ek dk ek=d ¼e½ × 100
Match the correct Pairs :-
(i) Mean deviation (a) Lewnhoek
(ii) Variance coefficient (b) Genete Engineering
(iii) Micro-organism (c) Jul
×
(iv) Gene therapy (d)
(v) Units of heat (e) × 100
4- ,d okD; esa mRrj fyf[k, & 1X6=6
¼d½ lcls vf/kd fof'k"V Å"ek fdl inkFkZ esa gksrh gSA
¼[k½ vkuqoaf'kdh ds firk dk uke fyf[k,A
¼x½ f=Hkqt dk lw= fyf[k,A
¼?k½ js'ke dhV dk oSKkfud uke gSA
¼M+½ ?ku ds vk;ru lw= fyf[k,A
¼p½ fVM~Mk dkSu ls la?k dk tUrq gSA
Give answer in one word :-
(a) What Substance has the most specific heat.
(b) Write is father name of Genetics.
(c) Write the formula of the Triangle.
(d) Scientific Name is Silk Worm is.
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(e) Write the formula for the volume of the Cube.
(f) The Grass hopper is the animal of which Phylum.
5- lR;@vlR; NkWfV, & 1X6=6
¼d½ fd.ou ,Utkbe ds ek/;e ls lEiUu gksrk gSA
¼[k½ nhed ,d ykHknk;d dhV gSA
¼x½ {k;jksx ,d ok;jl tfur jksx gSA
¼?k½ o`Rr dk {ks=Qy = 𝜋𝑟 gSA
¼M+½ okbjl thfor ,oa vthfor dh dM+h gSA
¼n½ ;wfj;k [kkn gSA
Sort out True/False :-
(a) Fermentation is carried out though Enzyme.
(b) Termite is a beneficial insect.
(c) Tuber closes is a viral diseases.
(d) Area of the circle has = 𝜋𝑟 .
(e) Viruses link of living and non living.
(f) Urea is a manure.
6- vLFkk;h ,oa LFkk;h pqEcd dh ifjHkk"kk mnkgj.k lfgr fyf[k,A 2
Write definition of temporary magnet and permanent magnet with example.
vFkok/OR
pqEcdh; cy js[kkvksa ds nks xq.k fyf[k,A
Write any two Properties of magnetic lines of forces.
7- fo|qr {ks= dh rhozrk dh ifjHkk"kk ,oa ek=d fyf[k,A 2
Write definition of intercity electric fields and its unit.
vFkok/OR
fo|qr foHko dks izHkkfor djus okys dkjd fyf[k,A
Write the factor affecting of electrical potential.
8- ,fFky ,Ydksgy dk lajpuk lw= ,oa v.kqlw= fyf[k,A 2
Write down the Structureal formula and Molecular formula of ethyl Alcohol.
vFkok/OR
fd.ou ds dksbZ nks egRo fyf[k,A
Write two importance of Fermentation.
9- Xywdkst ds nks HkkSfrd xq.k fyf[k,A 2
Write the two physical properties of glucose.
vFkok/OR
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tSo jlk;u ds nks mi;ksx fyf[k,A
Write any two uses of Bio Chemistry.
10- es.My ds izHkkfork ds fu;e dks le>kb;sA 2
Explain the dominance laws of mendal.
vFkok/OR
ikni iztuu ds dksbZ nks mn~ns'; fyf[k,A
Write any two objectives of plant breeding.
11- leckgq f=Hkqt vkSj fo"keckgq f=Hkqt dk {ks=Qy Kkr djus ds lw= fyf[k,A 2
Write formula of obtaining area of equilateral and unequailateral triangle.
vFkok/OR
ledks.k f=Hkqt dk {ks=Qy Kkr djus dk lw= fyf[k,A
Write a formula of right angled triangle.
12- vkn'kZ ek/; ds nks xq.k fyf[k,A 2
Write any two essential qualities of ideal mean.
vFkok/OR
lkWf[;dh ds nks dk;Z fyf[k,A
Write any two Function of statistics.
13- fo|qr okgd cy dh ifjHkk"kk fyf[k,A 2
Write definition of electromotive force.
vFkok/OR
pkyd ds izfrjks/k dks izHkkfor okys dkjdksa ds uke fyf[k,A
Write factor affecting the resistance a conductor.
14- esFksu ds rhu HkkSfrd xq.k fyf[k,A 3
Write three properties of methane.
vFkok/OR
,Ydsu Js.kh ds dksbZ N% ;kSfxdks ds uke fyf[k,A
Write name of any six compounds of Alkenes.
15- ekyoalh dqy ds ikS/kksa ds dksbZ rhu vkfFkZd egRo fyf[k,A 3
Write economic importance of plants Malvaceae family in any 3 paints..
vFkok/OR
xzsfeuh dqy ds dksbZ rhu ikS/kksa ds lkekU; uke rFkk okuLifrd uke fyf[k,A
Write common name and Botanical name of any 3 plants belonging of
Graineae Family.
16- lksysuslh vFkok ØqlhQsjh dqy ds rhu fof'k"V y{k.k fyf[k;sA 3
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Write the three special charactor of Sclanceae OR Crucifereae.
vFkok/OR
ekyoslh vFkok xzsfeuh dqy ds rhu fof'k"V y{k.k fyf[k;sA
Write the three charactor of Malvaceae or Gramineae.
17- oxhZdj.k ds rhu mn~ns'; fyf[k,A 3
Write any three objectives of classification.
vFkok/OR
lkWf[;dh dh fof/k;kWa fyf[k,A
Write down methods of statistical.
18- fuEufyf[kr lkfj.kh ls lekUrj ek/; dh x.kuk dhft,A 4
Calculate give below table with Arithmetic mean.
𝑥 1, 2, 3, 4, 5, 6, 7
𝑓 5 9 12 17 14 10 6
vFkok/OR
ekf/;dk ds 4 xq.k fyf[k,A
Write 4 merits of median.
19- ekSle ds iqokZuqeku ls d`f"k ds fy, gksus okys dksbZ 5 ykHk fyf[k,A 5
Write any 5 advantages of weather forecasting for Agriculture.
vFkok/OR
Hkkjr esa ekulwuh o"kkZ dh dksbZ 5 fo'ks"krk,sa fyf[k,A
Write any 5 characteristics monsoon Rain in india.
20- 'olu vkSj izdk'k la'ys"k.k esa dksbZ 5 vUrj fyf[k,A 5
Write any 5 difference between Respiration and photosynthesis.
vFkok/OR
izdk'k- la'ys"k.k dh izHkkfor djus okys dksbZ 5 dkjd fyf[k,A
Write any 5 factor affecting of photo synthesis.
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