1.Samantha picks up a plastic bag on his way from school
canteen.The following information show how impulses flowW - Optic
nerve send impulses about the plastic to the brainX - rain sent
impulses to the spinal cord! - rain decided where to throw the
plastic bag." - #mpulses are sent to the muscle in your hand
$rrange the se%uence of W&X&!and " to show the correct
impulse pathwayA "&!&W&XB W&!&X&"C
!&"&X&WD X,W,Z,Y'. (iagram ' shows an e)periment to
study the response of seedling.After a few days it is noticed that
the radicles bent upwards.Diagram 2Why does the radicle bend
upwards?AIt needs water to growBIt needs sunlight to growCRadicle
shows positive phototropisDRadicle shows negative hydrotropisFigure
4(a)*. !iagra " shows a food web
Diagram 3Which of the following is the correct food
chain?A#addy$Rat$%wl$&rog'#addy$(rasshopper$&rog$%wl
)#addy$Rat$*agle$+na,e$&rog!#addy$(rasshopper$&rog$+na,e$Rat+.
,igure +-a. shows a student reading raille map/,igure +-b. shows a
cross section of human skin. Which of the following parts involved
in ,igure +-a..0 $,igure +-b.1. Table 1 below shows the calorific
value of some foods,ood 2uantity 0aloric value3k4read 1 piece
1*anana 1 piece 1*56ilk 1 glass 71Table 18amli had consumed the
following food for breakfast9read : * pieces anana : ' pieces 6ilk
: 1 glassased on Table l& calculate the calorific value
consumed by 8amli for his breakfast.$ +;5 k4 1A 0hanged to glucoseB
0hanged to proteinC 0hanged to amino acidD 0hanged to lactose.17.
(iagram 1' shows the process of photosynthesisWater bath at
*7o01< ml starch solution F salivaDiagram 12 Which represent P,Q
and R> P Q RA Water O)ygen 0arbon dio)ideB 0arbon dio)ide Water
O)ygenC Water 0arbon dio)ide O)ygenD O)ygen Water 0arbon
dio)ide1?.Tale ! sho"s in#ormation o# three minerals.Mineral
Disease due to its deficiency0alcium X#ron Y#odine ZTable 2 $hich
o# the #ollo"ing represents X% Y and Z& X Y ZA 8icket Scurvy
$naemiaB Scurvy 8icket BoitreC $naemia Boitre Gight blindnessD
8icket $naemia Boitre 1;. 'iagram () sho"s characteristics o# plant
S.Diagram 13Which of the following represent S and T>
S TA (urian tree Tap root systemB Brass ,ibrous systemC alsam
plant Seed with two cotyledonsD 6aiEe plant Seed with one cotyledon
'$ @ime water @itmus paper0Blowing splinter(Sodium hydro)ide
solution '1.Which of the following shows the correct order of
organisms in an ecosystem>$=opulationHspeciesHcommunity
=opulationHcommunityHspecies00ommunityHpopulationHspecies
(SpeciesHpopulationHcommunity ''.(iagram 11 shows the
classification of flowering plants Diagram 15Which of the following
are characteristics of a plant in group X> # ,ibrous root ##
Gon-woody stem ###@eaves with network veins #I#ts seed has two
cotyledons $# and ## only## and ### only 0### and #I only ( #&
## and ###'*.(iagram 15 shows an e)periment to study absorbption of
digested foodWater F Sodium bicarbonateWater weedsDiagram 16 $fter
*< minutes the distilled water is tested with enedictCs solution
and brick red precipitate is formed.Which of the following
statement is the conclusion of the e)periment> $$mylase change
starch into glucose 6olecule of glucose diffuses through the wall
of visking tube 0Iisking tube represents the semi permeable
membrane of small intestine ((istilled water in the beaker
represents the bloodstream'+.!iagra -. shows two boys suffering fro
a disease due to lac, of a certain nutrient.Diagram 17What is their
diet lac,ing of?A&at )Iodine'Iron !#roteinIisking tubeStarch
solution F pancreatic amylase(istilled water at*7o0'1 $n ecosystem
is formed when$. members ofa population interact with one another .
members ofa community interact with one another 0. members ofa
species ofliving organisms interact with one another (. different
communities interact with one another and with the
environment'5Table * shows the digestion of food0arbohydrate
Blucose R=rotein$cid aminoS ,at ,atty acid F glycerol TTable
3#dentify the enEymes involved in digestion process shown above R S
TA =rotease $mylase @ipaseB $mylase =rotease @ipaseC $mylase @ipase
=roteaseD @ipase $mylase =rotease'7 (iagram 1? shows processes in
the human digestive system
Diagram 18 Which of the following shows the correct se%uence of
organs involved in theprocesses> $ Small intestine H@arge
intestineH OesophagusH Stomach@arge intestineH OesophagusH Stomach
HSmall intestine 0 Oesophagus HStomachH Small intestineH @arge
intestine ( StomachH Small intestineH @arge intestineH
Oesophagus'?.(iagram 1; shows a pyramid of number Diagram 19 Which
is the following correct from the base of the pyramid numbers to
the top>A The number of organisms increases B The siEe of
organisms increases C Source of food increase D @ess energy is
lostSnakeBirdInsect Plant'; Which of the following shows living
things are dependent on non-living things> A=lants carrying out
photosynthesis B=lants competing for space C$nimals eating
plantsD$nimals eating other animals *< (iagram '< shows a
food pyramid.Diagram 20Which types of food are found in level
S>$,ruits and vegetables6eat and proteins00ereals and rice(,ats
and sugar*1 Which of the following animals has monocular
vision>*' =hotosynthesis is a natural process.What is the
important of photosynthesis tothe environment># 8educe formation
of haEe## #ncrease o)ygen in the atmosphere### 8educes carbon
dio)ide in the atmosphere$ # and ## only # and ### only0 ## and ###
only( #& ## and ###** (iagram '1 shows a habitat occupied by
three types of organisms& X& ! and ". Diagram 21$ *+,0 (*+
Which of the following vitamins are soluble in water>$ Iitamins
$ and Iitaminsand 0 0 Iitamins D and J( Iitamins $& (& D
and J*1 Which of the following is a function of hydrochloric acid
that is found in stomach Kuice> $ Geutralises the alkali from
the salivareaks down protein into amino acids 0 Speeds up the
production of amylase from the mouth ( =rotects the stomach walls
from the enEyme in the stomach *50ommensalism is an interaction
between two organisms # which is a form of symbiosis ## where only
one organism gains in the interaction ###where one organism is
killed by the other$ # and ## only # and ### only0 ## and ### only(
#& ## and ###*7. Which of the following shows that light can be
refracted>, ++ ** ,CB DA *?.(iagram '' shows the apparatus used
to carry out an e)perimentDiagram 22#n which test tube is the
potato digested first> AW C!BX D"*;.The organisms shown in
(iagram '* are classified into two groupsDiagram 23 Which
characteristic can be used for the classification>#Whether the
parts of the plant could be eaten or not ##Whether the plants carry
out photosynthesis or not###Whether the plants produce flowers or
not $ # and ## only 0 ## and ### only # and ### only ( #& ##
and ###+A A&D&,&B C A&D&,&BB
D&,&A&B D D&,&B&AD : heat a leaf in
alcohol, : soak a leaf in waterB : add a few drops of iodine to a
leafA : boil a leaf in water# : place a leaf on a white tile