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8/11/2019 Paper 2 Exam 1 Form 5 2013
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8/11/2019 Paper 2 Exam 1 Form 5 2013
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8/11/2019 Paper 2 Exam 1 Form 5 2013
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d$ %ased on this experiment& state one characteristic of a!!oy.
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[1 mark]
(. Diagram (.1 shows an experiment to study the effect of inegar and ammonium so!utionon !atex. Diagram (.2 shows the resu!t of the experiment after (0 minutes.
Diagram (.1
Diagram (.2
a$ 6rite down one o"seration from the resu!t of this experiment.
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[1 mark]
"$ /tate one inference "ased on the o"seration in Diagram (.2.
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[1 mark]
c$ /tate one constant aria"!e in this experiment.
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[1 mark]
d$ /tate one hypothesis for this experiment.
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[1 mark]
e$ /tate the operationa! definition for acid.
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[1 mark]
3
8/11/2019 Paper 2 Exam 1 Form 5 2013
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). Diagram ) shows a "ar graph constructed from strips of ticker tape in an experiment
carried out with tro!!ey 7. A strip of ticker tape has 10 ticks and the ticker timer used
produced #0 ticks per second.
Diagram )
%ased on Diagram )&
a$ what is the re!ationship "etween the !ength of the ticker tape and time8
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[1 mark]
"$ i$ a!cu!ate the initia! e!ocity and the fina! e!ocity of tro!!ey 7.
9nitia! e!ocity : ------- cm s;1 <ina! e!ocity : ------- cm s;1
[2 marks]
ii$ a!cu!ate the acce!eration of the tro!!ey 7.
: ------- cm s;2
[1 mark]
c$ state the type of the motion of tro!!ey 7. ------------------------------------------------------------------------
4
*e!ocity : Distance trae!!ed
Time taken
Acce!eration : <ina! e!ocity = initia! e!ocity
Time taken
Time taken : 5um"er of ticks
in seconds #0
8/11/2019 Paper 2 Exam 1 Form 5 2013
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[1 mark]
Section B
[(0 marks]
Answer all questions in this section.
#. Diagram #.1 shows the cross section of an oi! pa!m fruit.
Diagram #.1
a$ 5ame the parts !a"e!ed and >.
4 ---------------------------------------------------------------------
>4 ---------------------------------------------------------------------
[2 marks]
"$ 6hich part of the oi! pa!m fruit produces the most oi!8
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[1 mark]
c$ Diagram #.2 shows part of the extraction process of pa!m oi!.
Diagram #.2
i$ 5ame process 3.
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[1 mark]
ii$ 6hat happens during process 38
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[1 mark]
d$ 5ame one itamin found in pa!m oi!. ---------------------------------------------------------------------
5
%unches of oi! pa!m fruit
rocess 3
Threshing
'?i! pa!m fruits remoed from "unches$
Digestion
'?i! pa!m fruits digested and crushed$
8/11/2019 Paper 2 Exam 1 Form 5 2013
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[1 mark]
+. a$ Diagram +.1 and +.2 shows actiities which ino!ed the radioactie su"stances.
Diagram +.1
i$ /tate the radioactie used in medica! fie!d in Diagram +.1.
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[1 mark]
Diagram +.2
ii$ /tate the uses of ar"on;1) in Diagram +.2.
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[1 mark]
iii$ /tate one effect of nuc!ear exp!osion to human "eing.
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[1 mark]
i$ 6hat su"stance is used to make a container to keep radioactie su"stance safe8
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[1 mark]
"$ Diagram +.( shows the nuc!ear power station.
6
8/11/2019 Paper 2 Exam 1 Form 5 2013
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Diagram +.(
i$ 5ame the radioactie su"stance used in Diagram +.(.
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[1 mark]
ii$ /tate the energy generated from the power station in Diagram +.(. ------------------------------------------------------------------------
[1 mark]
@. Diagram @ shows the princip!e of a four stroke diese! engine.
Diagram @
a$ 5ame the strokes and 5 in the !ined spaces proided in Diagram @.
[2 marks]
"$ i$ 5ame the structure !a"e!ed B in Diagram @. ---------------------------------------------------------------------
[1 mark]
ii$ 6hat is the function of the structure !a"e!ed B8
---------------------------------------------------------------------
[1 mark]
c$ ark ' $ in the "oxes proided in Diagram @ to show where the com"ustion of diese!
takes p!ace.
[1 mark]
d$ /tate one difference "etween the diese! engine in Diagram @ and a four stroke petro!
engine.
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[1 mark]
7
8/11/2019 Paper 2 Exam 1 Form 5 2013
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,. a$ Diagram ,.1 shows a white !ight proCected through a g!ass prism.
Diagram ,.1
i$ 6rite down the co!ours of !ights 7 and in the space proided in Diagram ,.1.
[2 marks]
ii$ 5ame the process that occurs when a "eam of white !ight passes through the prism.
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[1 mark]
"$ A green fi!ter is p!aced as shown in Diagram ,.2.
Diagram ,.2
i$ 6hat co!our is seen on the white screen8
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[1 mark]
ii$ 6hite !ight is made up of seen constituent co!ours. 6hat happens to the other !ights
which are not seen on the screen8
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[1 mark]
iii$ 9f the green fi!ter is discarded and rep!aced "y another prism p!aced in an inerted
position in front of the screen& what co!our can "e seen on the screen8
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[1 mark]
8
8/11/2019 Paper 2 Exam 1 Form 5 2013
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E. Diagram E.1 shows the waste products produced from the "urning of fossi! fue! from a
factory.
Diagram E.1
%ased on the Diagram E.1&
a$ 5ame two gases produced from the "urning of fossi! fue! in the "oxes proided.
[2 marks]
"$ 5ame the effect of the po!!ution that shown on human "eing.
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[1 mark]
c$ /tate one method to reduce air po!!ution from the factory.
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[1 mark]
d$ Diagram E.2 shows the effect of enironmenta! po!!ution due to the heat trapped "y gas7.
Diagram E.2
i$ 5ame gas 7.
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[1 mark]
ii$ 5ame the phenomenon shown in Diagram E.2.
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[1 mark]
9
8/11/2019 Paper 2 Exam 1 Form 5 2013
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Section C
[20 marks]
Answer Question 10 and either Question 11 or Question 12.
10. /tudy the fo!!owing statement4
The growth of "acteria is different in a!ka!ine and neutra! condition.
a$ /uggest one hypothesis to inestigate the a"oe statement. [1 mark]
"$ Fsing two steri!e petri dishes& steri!e nutrient agar& sodium hydroxide so!ution&
disti!!ed water and other materia!& descri"e one experiment to test the hypothesis in
10'a$ "ased on the fo!!owing criteria4
i$ The aim of the experiment [1 mark]ii$ The identification of aria"!es [2 marks]
iii$ The !ist of apparatus and materia!s [1 mark]
i$ The procedure or method [) marks]
$ The ta"u!ation of data [1 mark]
11. a$ A radiation !eak occurs due to a nuc!ear p!ant exp!oded in <ukushima Gapan.
xp!ain the effects of the radiation on !iing things.
[) marks]
"$ xposure to radiations can damage or destroy !iing ce!!s.xp!ain methods on the proper hand!ing of radioactie su"stances.
our exp!anation shou!d inc!ude the fo!!owing aspects4
• 9dentify the pro"!em [1 mark]
• xp!ain two methods to so!e the pro"!em [) marks]
• hoose the "est method and exp!ain your choice [1 mark]
12. a$ /tate four differences "etween saturated fat and unsatrurated fat. [) marks]
"$ Diagram 10 shows three examp!es of organic compounds used in
dai!y !ife.
10
?rganic
compound
Batex
ooking oi!
8/11/2019 Paper 2 Exam 1 Form 5 2013
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Diagram 10
/tudy the o"Cects in Diagram 10 and construct the concept of organic compounds.
our answer shou!d "e "ased on the fo!!owing aspects4
i$ 9dentify two common characteristics [2 marks]ii$ Hie one other examp!e of organic compound [1 mark]
iii$ Hie one examp!e of inorganic compound and state
one characteristic [2 marks]
i$ 3e!ate the common characteristics to construct the concept
of organic compound [1 mark]
11
/ugar
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