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(Class):Vll (Su bject):SCIENCE
(Time): ZY,HTS NtsHrHA(ftET ) (M.M): 50
General I nstruct iott :,
All the questi,.rns are compulsory.
Please write tlown the Serial Number of the question before attempting it'
The question paper consists of 20 questions and it is di 'ided into four
sections A, B, C and D.
Section A cotrtprist's of 5 questions carrying L mark e.rclt.
Section B cornprist's of 6 questions carrying 2 marks r:ach
Section C conrprises of 6 questions carrying 3 mark'. each
Section D corrrprises of 3 questions carrying 5 marks each,
There is no overall choice. However, an internal choice has b,.t-'n provided in
1. question of 2 marks and L question of 5 marks each.
Section A 6- s)
Ql.which is the basic unit of speetl
i. m/s ii. Km/s iii, m/hr iv. Krn/h r .
sTfl +-,1' Tr qr=r+ +qT i:
i. m/s ii. Km/s iii. m/hr r,r Kn lr r
Q2. Distance= Time.(cr:mp,ete it).
{fr =-X x qr1zI 1qo1 ftffi )
e3.Acid +Blue litmus== the effect on color).
-3111 1fr.1 Fi--zc-q,:
-_.(wrrte(i.rr ii ffi.{T4 frfur{ r '
Q4.a substance, is sour in taste,what is the nature of this substance'
TrF 'r.drri frI qre wt i fi Tq rari fi effi ry1 a.hfr -r
Q5. write one electrical device th;,t work on lreating effect of electric effect.
Td frsfd 3Tfi-T,T {,r nrq f {fr?{ :i' frfi i "1'f,;q r'{r'{ 'rr a;4 tr; ,11 .' i
Sectton B (zxt \
Q6.identify the given figure and narne it. ls it periodic motion'?
fr+ ft-{ fi q-6q'rt {r ilq" fr-fr-a1 rpr qE lTr'rfi qfr ? r
Q7.The given diagram shows reproductive part in flower.
i. Name this organ ii . write correct label for A and B from the given t.r1,:ion ((;r ifl [rr,,(.)vary,Anther,Filament)
4.
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k{r fu{ $c.{ * qFm -irT rrrtm 7t
vi. frt siT r,r qTc fttr{q ii. frt frn-fi t t " eir i, T,T rr.fi '1-a,:;'1 frfun
1 +ffiaru , eisrqrq , qrlffi'r, da )
v:
QS.Arrange the given cell and connect their terminal by drawing lines to form
frt ffi t Umrq fr qTzar <qrr qts rr azri a-{ri} |
a biif tery
*
Draw electric circui-r rliag rarffqiven electric
Or
c Lrcu
EN
frt .rq frr1o qft.{r1 fl,r frt;{ qfrq'q qA.ra c+rrit
Qg.ldentify the defect in the giverr circuit diagram and
redraw it by correcting the defect so that bulb can glow'
frt Bf+ '{F-qq t 6fr {,r <' +r (rr{T frry * qtr
QlO.ldentify the given mirrors and write their name.
frt E6'ri fi r1-6.fl-q zF{ qTH ftpffi t
d
I \
I
\
t\
\
r,:risr r,r-'ms "-eaI image.
Q 11 Draw a diagr 36 rtf i onvex and concave 1ens. whic:h .l
Q11.3q-r E 3r4n"[ iilT fl fr{ +rrftr tri ilI n n Trqft-f, 'If;ffi;1 rrq z ilTr i
Section C (sx6)
and B.
Q12.The given fig, (Distance -time graph)shows motion of vehicle A
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Which vehicle shows uniform motion ' uniform motion the
is 012355 and after one lrour 'rf
when vehicle A start, its reading in odometer
.readinginodometerbecomes0l23g0.whatdistancethevehicletravt.]sin.aehour.
{rdq A eft'r e fi'rrft' fi (fi -qFq rTs ft'-n
q=n tr
r +tt c'I TTE'T {trr'T qfr {T r;r i r
',x ii qq-m rrft i qq?r
ri qzr rrd{ A ={'T{I r5 fi:'{T a fr yq{'r'{rrsrft 0I235r:'
.r-r .r'rrrnft 0123e0 <qrr+r * a-r a-eq i t,t{ 'jt t ffif 1fi
€
t
-,i
-<\
N
fi,nt(k7r42
iens)
mirror, convex mirror, plane mirror' concave
Q13.which mirror/lens is used -(concave
a) As side view mirror in vehicles
b) By dentist for examining a patient
c) As reflector of a torch
ft"fftt4f{qrtrfq"/4{6*ri'r.{ElnTi-t9?ilt<.i'rt'an;t4"\1f"T{a'44'fq'31a-aai{q1
a) slf-,qi t cr* gqq E-'irf
bl tnn rr q6 frftr-n-+ arrr ft-&r'rr
c) at=i +T q"l-d'm
Q14.a.i. convert 2 KM into meters'
ii' 2 minute into second'
taken
what is the trrne pei iod t;f the pendulum(time
b a simple pendulum takes 20s to corlplete 20 oscillation'
to complete one oscillation)
a 2km fr fr-c{ t q<"ii, ri 2 fr+a fr i.-f" } 466'
br.rqqf,fr.-{f,2Qstzofr;rqrrft_Cdrfrzqdr,r+qlltrTqqra(nTiI,{-{nft-{rq.q,Tqq,q)
aq frtn t
crr rnged into red colour'Give it
yelrow curry stain on a shirt is washed witir soa,,
e15.A.Ram observed thatwhen a
reason whY?
ur it will give with acidic and
and basic nature of substance. what cor'
B.china rose indicator is used to test acidic
basic substance,
arrmttqrfrqn({'fi-qqrq-ffi+fr"a{FrdIqrtq'tffiqr;17;71irt{rt{fir|qrt
{trtnl Etg ffiqt
trffi h Ffq TB?."T rIq-{ c}rinatrose indicator){'T
b Gffi .r<r.i *' 3i-Ffr{ 4 e{rffq' Tf'fr frg{Trt{
z+q.r.T kfl q-rfl ir
qr qr.irT a q-{r"fr + qTa Trtr ?-iT ';Tr
given sentences:
QlS.Rewrite by correcting the
ect of electric current'
i.Electric bulb is based on magnetic eff
ii.whenswitchisONpositionthebulbwillnotglowitraelectriccrrcuit'
iii.A cell have three terminal in it'
Rq rndi q-Ji f{ rr frl}l -"rEnft-{ i'rt-r z
; , fr-{" a-'a fr'+5+ 'fl]-r + Tdf'f)T n'+15a rr
t
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rrrfr'e3a'.rfr:rq 1frq '(oN)dm\ 3r4EqT t a-a rftr qg i.rtrr r
b qe; t( *
fr-{ ttrffi r.,-fi t t
qlZ.i.which mode of reproduction is shown in the figure (sexual, asexual )
ii.identify and write the name of the given organism ( Bryophyl lum,Sp i rog Yra, H Yd ra)'
iii.Name the reproduction method shown. (vegetative rept oduc t i,rn, bLr dding, binary fission.
r . ft-{ t f,rq' fr e-f,{ Af'} <qlit rrfr 7' (.ifr{, -q;i'trTz;l
r i fr)i .q fr-+ fr .rdrm 6r ETq frF.+rr. ( ?rrJiTFr,.l-q, E {Tril-rrlz r l, €Ta-ir )
rii. qq-{ ft,qr r,r c-rc 1?frT t+ifra ,rE',fn ,{'-{,T{, frls'?q'l
Section D (sx r1
Q18.A.match the following:
Column I Column ll
MaPle water
Coconut air
Xanthium an imals
Spore
B. write two difference between asexual and sexual mode of reproduction'
ftq rr fr?-rc f,rf$r
fir.T{ r {[4H II
AtF{ (m;rple) CIf,I
TTF.T4 747
frft\u-e' wt
fisTIJ
B.;itfi-{ a :r.tft-+ q-aq q' * r.trr frfaTr
Q19.fill in the blanks:
(straight,zigzag, )
i.light travels along- lines'
ii.an image which can be irbtained on a screen is called image, (virtual,real)
iii.A concave mirror generally forms- image. (real,virtu al)
colours' (s ix, seve rr )
iv.White light (sun) is composed of
v.We see the object due to phenomenon of _-- of lrght' (reflection,ref r actiorl l
-
L !-{,ICI ifltqq-mt r
rrfi't:,t6-i-Ol
ri € TfrG'd Grfr cA rr frqr q,T ffi; Tfrfra qF?TfaT V 1 irflir'fr, +rqfr-+l
''R'rfffi,
nq 3lz{if-.{ Efq a;a; rfr-Ea a-fl,IT i I t=1P:4f :x,
Iii
rv q*E rrret fii t fr.r-+;- aqr a,t T1: Jil7[
, . qT,I9t * qT,T{ ETrr e.<C ri trqr rrfl i r
,:frT T{ ,'qq444 )
Q2o,a.Acid +Base ---------) + water.
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SiTta complained indigestion (acidity)to her mother.Her mother suggest her to take an antacid to relieve
indigestion. explain in brief, Why'?
C.How will you make turmeric paper indicator.
A 3IF{ +&iTr-------) + qaI
B. fr-{r i 41ffi t ercm{ fi'f}Erq-d fir sqfr qi t 3'T *ts xfrqp-t ff q-{-e ftr{t}q t
T.rf{ fttsrr? "i
c. qTq 6-.4 X<-+ er i-rn't: fitfift
ft'HfrB-d +:,q-q qR q-.* * a1 (r) 3i-q-{T {r'r{?r e f,T (r linfutr
r 3{Fr *qrq t {:c-{r ETflr i
,i 3Erftfrf,,r-rrr s{ftrft-qi fr q-{'Il rr ffi't ATr t
rii fr& * 6i-ci .r< arp-frq q-<pi rq-rr sq{r At{T }
r,, i.fr a.!-d , errr rf,fi + r{flli fi qi=- +<m i
v frrrrq r,rd rrr,fr-{ {]!-+r c-S f
Write (T) for true and (F) for false for given statement
i.Acids are bitter in taste.
ii.Salts are formed in neutralization reaction'
iii.One feel relived by rubbing acidic substance on an ant bite,
iv.Turmeric indicator is used to test basic nature of substance.
v. litmus is not a natural indicator.