Page 1
Serial Number
j E-828 Roll No.
I igher Secondary Examination (Regular) - 2020
% 77611 FOR Tribm aR'
ELEMENTS OF SCIENCE &
MATHEMATICS USEFUL FOR AGRICULTURE
(1., 'co afrEff sraw wsm th-g viliocrc“) •
(Hindi & English Versions)
Total Total Printed Time : • Maximum
Questions : 18 Pages : 8 3 Hours Marks : 70
fat
(I) w4 Asa ot tb-nr 30ani I sm 5# 18 TR1 TrAW stew II arrathftiq,ta
fk#
Ill AR W. 114 4 UW atskizio I SMIN VIR 5 445. A,7 t I
(iii AR W. 514 7 Tim '04W etSW 2 .818 as t I TOM 1141 zf,Y 39-1 ItTIT WPM
30 SW t I
1
(iv) RS7 IE. 8 11 10 M wean 744 3 *swr t I sre* Asa %') avr IF) WrITT1
75 PA t I
(v) sin shmles 11 tr 15 VerW AR 4 arcs zbi I wets Trzi TiPIT
120wwtI
Asa nits 16 # 18 ats gt)q) inn 5 efts tsi 't I sl*ff tr47 u-dr 1trgrr
150 Km t
I nstru ons :
(i) All questions are compulsory to solve Question Nos. 5 to 18 each question has
an internal option.
(ii) Question Nos. 1 to 4 are objective type questions. Each question carries S marks.
(iii Question Nos. 5 to 7 carry 2 marks each. The answer's, words limit of each
question is about 30 words. •
(iv- I. Question Nos. 8 to 10 carry 3 marks each. The answer's words limit of each
question is about 75 words.
Question Nos. II to 15 carry 4 marks each. The answer's words limit of each
question is about 120 words.
Question Nos. 16 to•18 carry 5 marks nob. The answers words limit of each
question is about 150 words.
410 E-828 1 1111111111111111 1 1111111111V Pt°.
Page 2
utet wit; limn WO x5t.5
(i) 4 - tia tr trt qui wr sitegiu quur t -
(a0 cow al crt nlyl (1) qd ati
c
(k,f) tottAtitii Sr4 wzr (7) -pa) tra OW!
(ii) Ira au loif -
(al) Taw ;116 vrt <DK t
(a) tKnii zrqrSr
(u) few, ura. wt-41 t
(z) Mu- kk utt rata t
(iii) 2 it eiroarar cr.i4 t -
(GT) urtre•g- (u) trAntS•
(a) 711..4t. (10
(iv) wur t -
(aT) 9)-SRT (w)
() f44ku (10 lie Ii-ti
(v) wur *ern tr* -
(aT) ‘3Si (w) izpirtvu'l *
(v) (a) &Y
Choose and write the correct options :
(i) Image of object on the retina of eye is found as -
(a) Real and upright
(b) Real and upright down
(c) Imaginary and upright down
(d) Imaginary and upright
(ii) Magnetic lines of forces -
(a) Always cross each other. (b) Form a close curve.
(c) Mow obliquely.. (d) Do not pass through vacuum.
410 E-828 2 11111111111 1111 111 1111 IN P.T.O.
Page 3
Genetic material in chromosomes is -
(a) RNA
(b) DNA
(e) ATP
(d) AD?
Fats arc -
(a) Proteins
(b) Carbohydrates
(c) Lipids
(d) Vitamins
Oils and fats are mixture forms of -
(a) Acids
(b) Alcohols
(c) Esters
(d) Aldehydes
2 Frew t1 0 fret Wif# #
1x55
(1) ig4 attotiw arq tI
(ii) %-var•r srw
(iii) 0°C nq?JR Th7 Eliff
°F elaT t I
(iv) Thi" /Tr Wail tl.t
0.) wan kttium t
Fill the blanks with correct answers :
(i) ientifie name of Earthwonn is
(ii) Snncntation, is a
process.
e value of 80°C temperature is equal to
°F-
(iv) tent heat of ice is caloric/gm.
(v) tent heat of steam is
calorie/gm.
3 'llillUt1111111 P:rx
Page 4
1 x Sir-5
:
3 Iziftalf 4i autiFi
"1"
"u"
(a) 2 to
(i) Taring fir thi &Fe
(b) 27C r
(ii) Tamar Tilzticb-u • 1/4.0
(c) id
2 1d2
(pi) •timE ill' N9 Tsft
fi 2 •
. (d) —a
(iv) sin 30° 4
a
(e)
(v) sin 210°
—X100
(g)
Match and write the correct pairs ;
Column "11"
Column "1"
1/4.0 •
t
G)Area of Equilateral triangle (a) —7 (`
‘1'
(b) 2% r k..0
(ii) Area of Rhombus CD
(e) +02 I—I
(iii) Coefficient of standard deviation Ca
..5 a2
(d) ---
(iv) an 300 4
1/40
(v) sin 210°.
(e)
a
14
f--
*q1
k.0
(t) 12-xmo 0
Id H
I 0
(s) 2
4 1111,111V111111V lb P:1...0.
410 / E-828
Page 5
Nal wqr zrew : 1X5=5
irtimi ripe en zbelz t I
1:19-6 faucH Jr wily, cholla t I co
) ittIre imblper t51 NW C11.150H I I cr
N
) isRiTr tr 04 wit zlit#T# t I 0
ns wrcror $Fla #TA ttprer t Ir-I
p
Write True or False :
(f) Honey bee is a social insect.
1/40
The square of standard deviation is calle(t-kariation.
) Molecular formtila of Methyl Alcohol is
) Measles is a bacterial disease.
r—I
Leprosy is a viral disease.
5 alst WRgrl Wiry, 2
SY ite down any two causes of short sighted
It
WI / OR k..0
CD
!Mar * ani—itiltiot t tlfrim. icII fl( I t---i
Define dispersion of Jight. 0
6 Tutu* et 14 I 2
Write doyen any two properties of magnet.
aitim / OR
O
% 1;1 qi tr TrIbmsrt a")Nt4T-H
4 definition of magnetic field and neutral R.
e
410' E-828 5 11111111111111111111111121111 P.T.O.
•
Page 6
7 crliqw6ici m mast ;it dtgaf v *kg I 2
Write molecular formula and structural formula of Ethyl Alcohol.
araal / OR
Rama * lerrftqr I 1 ett I
Define fermentation.
8 t mt{ c m Ier leRsig 3
Write any three physical properties of Methane.
4RPIT / OR
mitifact, drftgeti *-4 tffdui Win I
Write any three properties of organic compounds.
9 RtMr 41-4 Ritirte
Write any three special characteristics of Gramineae or Crucifcrae family.
10 =mkt aruar aldadl wa iff aida'R Ore i8 twist ma IV gym otn 3
MR WW1 I
Write common names and botanical name of any three plants belonging to
Malvaceae or Solanaceae family.
11 f4sa vlb-eru t51 sitar .k-r4 alt tam l'arva I 4
Write any fotir factors affecting the electric resistance.
amts / OR
s au kgrieit art s fang I
Write -any four properties of electric lines of forces.
410 / E-828 6 1111111111 111111111 11 I I I P.T.O.
Page 7
I 11 12 *ff 31it 4W 14 /bit ThiliN I
Write any four differences between oil and fat.
4
WIRE /OR
weir 4raptni roTa4 <fit( 4 S art aT-7 Wag
Write any four differences between hard soap and soft soap.
13 ultr 4 strt4 art mid 4
ite any four functions of protein in human body.
BIM / OR
Mit WR 59Ul9 kilIR I
Write any four uses .of Glucose.
14 zrktin-ner S art Tram. fkftinT I 4
e any four importance of Genetic Engineering.
aTtril / OR
cm zer 41t4rqK :
e definitions of the following technical terms
Vtrgrc "ft (Homozygous)
( 14%7 *111' (Single hybrid cross)
(II Trait 1147 *PM (Back hybrid cross) .
(iv) tial( (Hybrid)
is At?uoltsd 4t miter *171) * nem Irma ;TAW irn4r zehR : 4
Mt 0-20 •20-40 40.60 60-80 80-100
ifftin i Tit 6 10 . 20 12 8
4
Calculate mode or median from the folio ving frequency table :
Cts .0-20 20-40 40-60 60.80 80-100
Frequency 6 10 20 12 8
1 410 / E-828 7
Page 8
16 TiRalzr Er flaaleeicei iflit4 I 5
Write any five characteristics of Indian rainfall.
/ OR
Q*ieil WA trrA war4 I vcrrEr Timer I
Give any five measures to pralent crops from frost. .
17 altakiNall9' Kff9" arW k, I 5
48
Write any five differences betw ' aerobic respiration and anaerobic respiration.
MUM / OR
fauen ¶ wrizrzyi 4 tit zrffl-K Iktbrq
Write any five differences benCien Diffusion and Osmosis.
Is ante A .cr-6 vrm 41•1145 • 5
41 't41i CiftmA won Muf Am
eat
tad (s. if) 400 0300 350 200 250
Draw a Bar diagram with the following data :
Items Food ttectricity Clothes Rent Education
Expenditure (in Rs.) 400 cii 300
r 350 200 250
c,0
Cant / OR
31Wer ir Srth—r 'adgi 1r941 •
Wfrt4 %MR ?It, RH vait a-41
A (tretn 4) 13 co 8 4 6 5
•
Draw a Pie diagram with the4pllowing data :
Crop Maize Wheat Paddy hmar Gram
c)
Area (in hectare) 13 1-1
,„ 8 4 6 5
410 / E-828 8 111111111 111111111111111 11