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Grade 10 Science Unit 1 Sin.

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NALANDA COLLEGE NALANDA COLLEGE NALANDA COLLEGE NALANDA COLLEGE NALANDA COLLEGE NALANDA COLLEGE NALANDA COLLEGE NALANDA COLLEGE NALANDA COLLEGE NALANDA COLLEGE NALANDA COLLEGE NALANDA COLLEGE NALANDA
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NALANDA COLLEGE NALANDA COLLEGE NALANDA COLLEGE NALANDA COLLEGE NALANDA COLLEGE NALANDA COLLEGE NALANDA COLLEGE NALANDA COLLEGE NALANDA COLLEGE NALANDA COLLEGE NALANDA COLLEGE NALANDA COLLEGE NALANDA
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kd,kaod úoHd,h - fld<U 10
tall mÍlaIKh
11 fY%aKsh
1)
úoHdj
tallh 1 - Ôú mgl ^Ôj úoHdj&
rEmfhka oelafjkafka"
maf,dhu
1) oaú îc m;%S l|l yria lvls
2) oaú îc m;%S uQ,sl yria lvls
3) tal îc m;%S l|l yria lvls
4) tal îc m;%S uQ,sl yria lvls
ffY,u
2)
Ydl m;%j, m%Ndixiaf,aYkfha § iEfok .aÆfldaia Ydlfha uq,a olajd f.k hkq ,nkafka my; i|yka l=uk
mglfhka o@
1) ffY,uh
2) leïìhu
3) maf,dahu
4) uÊcdj
3)
fldia .il j¾Okh;a iu. tys lf|a úYalïNh jeäfõ' thg fya;= jkafka my; i|yka l=uk mglfha
l%shdldÍ;ajh o@
1) ffY,uh
2) maf,dahuh
3) leïìhu
4) uDÿia;rh
4)
Ydlj, ffY,u mglfha lD;Hh m%ldY jkafka my; ljr ms<s;=frka o@
1) úNdckh fjñka Ydlfha uy; jeä lsÍu
2) wNHka;r mgl úkdY ù hdfuka wdrlaId lsÍu
3) wjfYdaIs; c,h iy LKsc øjH m;% lrd f.k hdu
4) taYdlfha úúO fldgia lrd ødjKhla f,iska wdydr f.k hdu
5)
ñksidf.a Wvqndyqfõ we;s oaú YS¾I fmaIsh'''
1) lxld, fmaYh
s ls
3) ks¾ú,sÅ; fmaYh
s ls
2) isksª fmaYshls
4) wksÉPdkq.; fmaYh
s ls
6)
lxld, fmaYsj, ,laIK ksjerÈj oelafjkafka my; i|yka ljr ms<s;=f¾o@
1) ú,sÅ;h" bÉPdkq. h
2) ú,sÅ;h" wksÉPdkq. h
3) ks¾ú,sÅ;h" bÉPdkq. h
4) ks¾ú,sÅ;h" wksÉPdkq. h
7)
ñksia isref¾ we;s fmaYs j¾. ;=k w;frka úf,aL iys; fmaYs j¾. jkafka"
1) lxld, fmaIS yd isksª fmaYS muKs
2) isks÷ fmaYS yd yD;a fmaYS muKs
3) lxld, fmaYS yd yD;a fmaYS muKs
4) lxld, fmaYS" isks÷ fmaYS yd yD;a fmaYS hk ish,a,u h
8)
kHIaá lsysmhla we;s ffi,hla jkafka"
1) iqÿ reêrdKqj
2) r;= reêrdKqj
yD;a fmaYS fii,hla yd lxld, fmaIs ffi,hla
1) yria úf,aLk ;sîu
3) wksÉPdkq. ùu h
9)
3) iakdhq ffi,h
4) lxld, fmaYS ffi, h
w;r iudk ,laIKhla jkafka"
2) YdLkh ù ;sîu h
4) kbÉPdkq. ù h
1
10)
yD;a fmaYsj,g iy isksª fmaYsj,g fmdÿ ,laIKhla jkafka"
1) ú,sÅ; njla oelaùuhs
2) ks¾ú,sÅ; ùuhs
3) blaukska úvdjg m;aùuhs
4) wksÉPdkq. ùuhs
11)
nyq kHdIaál ffi, j¾.hla jkafka"
1) wmsÉPo ffi, hs
3) iqÿ reêrdKq ffi,hs
2) isks÷ fmaYS ffi,hs
4) lxld, fmaYs ffi,hs
12)
ñksidf.a foayfha m%Odk fmaYS ;=ka j¾.h jk lxld, fmaYS isks÷ fmaYS yd yD;a fmaYS ms<sn| ksjerÈ m%ldYh
l=ula o@
1) ú,sÅ; njla oelaùuhs
2) ks¾ú,sÅ; ùuhs
3) blaukska úvdjg m;aùuhs
4) wksÉPdkq. ùuhs
13)
Wm, ffi, nyq,j we;af;a my; i|yka ljrl o@
1) wdlkaÈ uq,a j,
2) oaúîcm;%S Ydl l|kaj, ndyslfha
3) blaukska úvdjg m;aùuhs
4) .ia,nq M,j,
14)
YsIHfhla A yd B kso¾Yl ixhqla; wkaùlaIh hgf;a ksÍlaIKh lr tajdfha wvx.= mgl ms<sfj,ska uDÿia;r"
ÿVia;r f,i yªka .;af;a h' A yd B kso¾Yl ms<sfj,ska my; i|yka l=uk Ydl fldgiaj,ska úh yels o@
1) w¾;dm,a w,hla" lerÜ w,hla
2) lrú, m;%hl uOH kdráh lerÜ w,hla
3) w¾;dm,a w,hla" fmhdia M,hla
4) fldams weghla" fmhdia M,hla
15)
ñksia isref¾ we;s my; i|yka fmaYs i,lkak'
A – yD;a fmaYs
B – isksª fmaYs
C – lxld, fmaYs
by; fmaYs w;=frka ls%hdldÍ;aj wksÉPdkq. jkafka"
1) A yd B ys muKs
2) A yd C ys muKs
3) B yd C ys muKs
4) C ys muKs
16)
fmaYs mglhl rEmhla my; § we;' tu fmaYs mglfha ku yd tys l%shdldÍ;ajh ksjerÈj oelafjk jrKh
f;darkak'
1)
2)
3)
4)
fmaYs mglh
ls%hdldÍ;ajh
yD;a fmaYs
bÉPdkq. fõ
lxld, fmaYs
wksÉPdkq. fõ
lxld, fmaYs
bÉPdkq. fõ
yD;a fmaYs
wkaÉPdkq. fõ
2
jHqy.; rpkd m%Yak
1)
Ôjfha ixúOkh fmkakqï lrk Ydlhlska ,nd.;a kso¾Yl foll wkaùlaISh rEm igyka my; olajd
we;' tjd kï lrkak'
A ...................................................................
2)
i)
B ...................................................................
Ydl ;=< øjH mßjykh isÿ lsÍug ilia jQ úfYaIs; mgl we;' wdydr mßjykh i|yd Ydl ;=< mj;sk
mglh kï lrkak'
.....................................................................................................................................................
ii) Ydl ;=< msIagh mßjykh i|yd th ir, øjHhla njg m;alrkq ,nhs' fuu ir, øjH l=ulao@
.....................................................................................................................................................
3)
i) ia:q,fldaKdia;r yd oDVia;r mglj, remigyka my; oelafõ'
a)
oDVia;r mglfha yrialv oelafjkafka l=uk rEmfha o@
b)
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
tu mglh yªkd .ekSug Tyq fhdod.;a ,laIKhla
i|yka lrkak'
P
'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
ii) tu mglh yªkd .ekSug Tn fhdod.;a ,laIKhla i|yka lrkak'
R
Q
S
''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
4)
Ôú;fha uQ,sl jHQyh yd lD;Huh tallh ffi,h fõ' úúO lD;H bgq lsÍu i|yd yev .eiqKq ffi, j¾.
Ôùka ;=< we;' my; oelafjkafka Ydl yd i;a;aj ffi, j¾. lsysmhl rEm igykah'
i)
A
B
C
fïjd w;ßka Ydl j¾.h $ j¾. kï lrkak'
D
...............................................................................................................................................
ii) by; 1) ys i|yka l< ffi, j¾.h $ j¾. Ydl ffi, f,i Tn yªkd.;af;a flfiao@
...............................................................................................................................................
iii) A ffi, j¾.fha lD;Hh l=ulao@
...............................................................................................................................................
3
iv) fïjd w;ßka wjfYdaIKh i|yd úfYaIfhka yev.eiS we;s ffi, j¾.h $j¾. kï lrkak'
...............................................................................................................................................
5)
c,h hkq fyd| o%djlhls' wka;¾ wKql wdl¾IK n, mej;Su fya;=fjka c,hg ,eî we;s úfYaI .=K folla
,shd olajkak'
...........................................................................................................................................................
..........................................................................................................................................................
rpkd m%Yk
a
1)
w)
wd)
2)
i)
ii)
fldaIfha Ok w.%h Èj.ska iam¾Y l< ksu,ag Tyqf.a Èj.g l=vd úoHq;a wdfõ.hla oekqKs' tu oeksu
we;sùfï § l%shd;aul jQ iakdhq j¾.h kï lrkak'
tu iakdhq j¾.fha tallh jHqyh kï lrk ,o rEm igykla u.ska muKla meyeÈ,s lrkak'
Ydl m;%hl wNHka;r jHqyh wkaùlaIfhka ksÍlaIKh lsÍug tys ;=kS fþohla ,nd .ekSfï § Tn
wkq.ukh lrk l%shd ms<sfj, msjr ;=klska ,shd olajkak'
Ydl m;%hl wmsp¾óh isúhl fldgila wkaùlaIfhka fmfkk wdldrh oelafjk o< rEm igykla w|skak'
3)
ñksidg ;u wjYH;d imqrd .ekSu msKsi úúO l%shdldrlïj, fh§ug isÿ fõ' ta i|yd Tyq;u foayfha we;s úúO
fmaYS Wmfhda.s lr .kS'
w&
ñksia isref¾ we;s fmaYs mgl j¾. ;=fkka folla kï lrkak'
wd& by; w& ys Tn kï l< tla tla fmaYS mgl j¾.hg wdfõksl tka ,laIKhla ne.ska i|yka lrkak'
b&
ñksidf.a iuyr fmaYs l%shd;aul fjkafka wksÉPdkq.jh' ñksia isref¾ tjeks fmaYs j¾.hla we;s ia:dkhla
kï lrkak'
4)
Ydl l| u.ska flfrk tla m%Odk ld¾hhla kï fmdf<dj u; we;s Ydl foayfha fldgia iDcqj ;nd .ekSug
Wmldr lsÍu h' fuu ikaOdrl lD;Hh bgq lsÍu i|yd Ydl l| ukdj yev .eis we;'
w&
Wia l|ka iys; .ia j, ikaOdrl lD;H bgq lsÍu i|yd we;s úfYaI mgl j¾.h kï lrkak'
wd& by; i|yka mgl j¾.hg wu;rj Ydl l|ka ;=< we;s fjk;a mgl j¾.hla kï lrkak'
b&
Tn by; wd& fldgfia kï l< mgl j¾.h u.ska bgq flfrk m%Odk ld¾hh i|yka lrkak'
5)
nyq ffi,sh Ôùkaf.a ffY, Tjqkaf.a úúO Ôj l%shd bgq lsÍu msKsi mgl
f,i ilia ù we;'
i)
zzmglhla hkqfjka woyia flfrkafka l=ulaoehs meyeÈ,s lrkak'
ii)
Ydl foayfha we;s wmsp¾uh" maf,dahu ffi,hl iy ffY,u hk tla
tla mglfhka bgq flfrk lD;Hh ne.ska ,shkak'
iii)
w&
wd&
b&
X rEmh
Y rEmh
fuys oelafjkafka maf,dahu ffi,hl iy ffY,u ffi,hl úYd, l< o< rem igyka h' X
remfhys olajd we;af;a l=uk ffi, j¾.h oehs i|yka lrkak'
ffY,u mglh maf,dahu mglfhka fjka lr y÷kd.; yels tla jHqyfha ,laIKhla ,shkak'
ffY,u mglh u.ska bgq flfrk ;j;a lD;Hhla i|yd by; wd& ys Tn i|yka l< jHqyuh
,laIKh jeo.;a jkafka oehs i|yka lrkak'
4
6)
Ydl mglj, j¾.SlrKh my; igyfkys olajd we;'
Ydl mgl
iaÓr mgl
ir, iaÓr mgl
uDÿia:r
C
úNdcl mgl
A
D
maf,dhu
w.%ia: úNdclh
B
wka;ria: úNdclh
ffY,u
i) fuys A, B, C yd D kï lrkak'
ii) B, C yd D mglj, lD;Hhla ne.ska i|yka lrkak'
iii) C yd D mgl ylsfkl fjka lr yªkd.; yels jHQyuh ,laIkhla i|yka lrkak'
5
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