science paper for class IX 2014

8/20/2019 science paper for class IX 2014

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Summative Assessment-1 2014-2015

Science

Class – IX

Time allowed: 3:00 hours Maximum Marks: 90

General Instructions:

a) The question paper comprises of two sections, A and ! "ou are to attempt #oth the

sections!

#) All questions are compulsor$!

c) All questions of Section % A and Section % are to #e attempted separatel$!d) &! 'o! ( to 3 in Section A % ( marks questions! These are to #e answered in a#out one

word or in one sentence!

e)

&! 'o! to * in Section A % + marks questions! These are to #e answered in a#out 30words each!

f) &! 'o! to (- in Section A % 3 marks questions! These are to #e answered in a#out .0words each!

/) &! 'o! (9 to + in Section A % . marks questions! These are to #e answered in a#out 0

words each!h) &! 'o! +. to 33 in Section are M& #ased on practical skills! 1ach question is a ( mark

question! "ou are to select one most appropriate response out of the four pro2ided to$ou!

i) &uestion num#er 3 to 3* in Section % are questions #ased on practical skills are two

marks questions!

Section A

(! 'ame the muscular tissue whose cells are spindle shaded and uninucleate

+! f the wei/ht of a #od$ on the earth is * ', what will #e on the moon 45i2en that acceleration

due to /ra2it$ on moon is one sixth of that on the earth)

3! 6rite the formula to calculate the speed of a #od$ mo2in/ alon/ a circular path of radius 7r8

4Time taken #$ the #od$ to complete one re2olution is 7t8)!

! ow surface area and wind speed effects the rate of e2aporation! 1xplain!

.!

6hat would happen if l$sosomes did not ha2e an$ en$mes in them; 1xplain!

*! <okesh saw man$ apples on the tree #ut was not a#le to pluck them! is friend asked him to

shake the #ranches! 6hile shakin/ few apples fell down! 1xplain! 6h$;

! "ou are pro2ided a mixture of mustard oil and water! 'ame the technique to separate it and

write the principle in2ol2ed! =raw dia/ram of the technique used!

-! a) 5i2e an example where chan/e in ph$sical state occurs #$ chan/e in pressure!

#) State two factors which determine the rate of diffusion of a liquid in another liquid!

9! a) T$ndall effect can #e o#ser2ed when sunli/ht passes throu/h a canop$ of dense forest!

1xplain it!

#) 5i2e an$ two examples of colloids!





(0! a) lood is called a fluid connecti2e tissue; State reason!

#) 'ame the 2arious components of #lood!

c) State the main function of #lood!

((!

=raw a plant cell and le#el!a) Two cell or/anelles that contain their own /enetic material

#) The or/anelles where protein s$nthesis occurs

(+! a) s it possi#le that the train in which $ou are sittin/ appears to mo2e while it is at rest;

#) an the train appear to #e at rest while mo2in/; >ustif$ $our answers!

(3! ?ind the wei/ht of an o#@ect at a hei/ht *00 km a#o2e the earth8s surface! The wei/ht of the

o#@ect at the surface of the earth is +0 ' and the radius of the earth is *,00 km!

(! s it possi#le for a #od$ to ha2e it 2elocit$ and acceleration pointin/ in opposite dierections;

(.!

The 2elocit$time /raph of a truck is plotted #elow!

a) alculate the ma/nitude of displacement of the truck in (. seconds!

#) =urin/ which part of the @ourne$ was the truck deceleratin/;

c)

alculatin/ the ma/nitude of a2era/e 2elocit$ of the truck!

(*! a) =efine mass and wei/ht!

#) 6rite their S units!

c) distin/uish #etween the two quantities!

(! Bumar had @ust /i2en class C examination! =urin/ summer 2acation he decided to 2isit his

parental 2illa/e! 6hen he saw the condition of the nati2es he decided to help them! e tested

the soil and found that the #asic reason for low producti2it$ was that the soil was deficient in

nutrients!3

a) ow man$ nutrients are supplied #$ the soil to the plants; lassif$ them on the #asis of

the amount the$ are required!

#) 6hich ph$siolo/ical process in plants are affected #$ deficienc$ of the nutrients;

c) 6rite two 2alues that moti2ated Bumar to help 2illa/ers!

(-! =ifferentiate #etween Dcapture fishin/E and Dculture fishin/E;

(9! dentif$ the ph$sical and chemical chan/es from the followin/

a) eatin/ the mixture of iron and Sulphur!

#) Fipenin/ of fruits

c) =issolution of salt in water

d) Fustin/ of ironchair

e)

Makin/ e// omelets





+0! a) =efine followin/ terms:

4i) fluidit$

4ii) diffusion

#) 1xplain out of liquids and /ases which will ha2in/ more fluidit$ and wh$;+(! 1xplain the si/nificance of the followin/:

a) air like, structures on epidermal cells

#) 1pidermis has a thick wax$ coatin/ of cutin in desert plants

c) Small pores in epidermis in cactus

d) Gresence of a chemical su#erin in cork cells!

++! a) =efine momentum! 6rite its S units

#) alculate the chan/e in momentum of a car wei/hin/ (.00 k/, when its speed

increases from 2136kmh to 21

72kmh uniforml$!

+3!

a) =ifferentiate #etween acceleration due to /ra2it$ and uni2ersal /ra2itational constant!#) ow does the force of /ra2it$ depend upon masses of #od$ and distance #etween

them;

+! 1xplain omposite fish culture! ow is it #eneficial for fish production;

Section B

+.! A student wants to test for the presence of metanil $ellow adulterant in the /i2en food

material! 6hat should #e use from the followin/ to o#tain a positi2e result;

a) hannadal and odine solution

#) Gotato and conc! h$drochloric acid

c) Gotato and iodine solution

+*! The presence of starch can #e shown in which food material and usin/ which rea/ent:

a) Apple @uice and odine solution

#) Gotato extract and safranin

c) Apple @uice and safranin

d) Gotato extract and odine solution

+! 6hen ron filin/s and Sulphur power are heated stron/l$ in a china dish, then it forms:

a) An element

#) A compound

c)

omo/eneous mixture

d) etero/eneous mixture

+-! Hn stron/l$ heatin/ a mixture of iron fillin/ and Sulphur powder a #lack mass to formed due

to the formation of





a) $dro/en Sulphide

#) ron oxide

c) ron sulin tphide

d)

Sulphur dioxide+9! Hn the followin/ steps of heatin/ apparatus identif$, " and C!

a) Test tu#e #) #urner c) #urner

#) Test tu#e #) urnner c) test hu/e cu#e

c) Test tu#e holder #) test tu#e c) #urner

d) Test #low #) test tu#e holder d) #urner

e) Hn the #asis

30! A student o#ser2e the followin/ in a temporar$ amount:

a) <ar/e irre/ular flat cells

#)

=ense c$tomplasm

c) lue coloured dense nucleus in the centre

d) 1ach cell #ounded #$ a cell mem#rane

The cell is

a) Hnion peel

#) Garench$matous cell

c) 1xpithelial cells of human check cells

d) 'er2e cell

3(! n the followin/ dia/ramI the correct la#ellin/ for A and is:

a) A % 'ucleus % =endrite

#) A % dendrite % Axom

c)

A % Axom % nucleusd)





3+! 6hich of the followin/ su#stance cannot #e separated #$ the method of su#limation:

a) Sodium chloride

#) Ammonium chloride

c)

amphord) odine

33! The direction of force of friction is:

a) Hpposite to the direction of force applied on #od$

#) Same as the direction of force applied on #od$

c) =irection not fixed

d) ndependent of force applied

3! dentif$ two clear and transparent solutions from the followin/ mixtures:

a) Milk and water

#)

Su/ar and waterc) halk powder and water

d) Starch powder and water

e) 5lucose and water

3.! 5raph for chan/e of ice to steam is shown #elow! H#ser2e the chan/e of state from ice to

water and water to steam and write two inferences!

science paper for class IX 2014

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