Digestive SystemTopic: Digestive SystemBoard:
ICSEOptionSl.NoDiff. LevelQuestion1234Right
OptionAnswerSkill1EasyWhat is the breakdown of naturally occurring
food stuffs into diffusible
formRespirationTranspirationNutritionDigestion4Digestion2MediumThe
food we eat shall be charged into ---------- ------ form to be
utilizedGlucose, SugarSoluble, absorb taleGlucose,
energyNone3EasyWhat play a key role in the digestion of food taken
inBacteriaChemicalsEnzymesAll3Enzymes4MediumCharacteristics of
Enzyme are:- A. It is a protein, so it is not destroyed by heating/
B. It acts only on sub / C It acts lie a catalyst/ D. It doesn't
affect the ratio of chemical reactionA & DB & CA & BC
& D2It acts only on sub5HardOptimum temperature of the enzymes
to be best active is-25dgree & 30 degree30dgree & 40
degree35dgree & 40 degreeNone335 n 40 degree6MediumThe
digestive system comprises ofmouth & teethmouth &
stomachalimentary canal & intestinealimentary canal &
digestive gl&s4alimentary canal & digestive
gl&s7MediumWhat is the muscular tube starting mouth &
ending at the anusfood pipedigestive gl&salimentary
canalnone2digestive gl&s8MediumThe length of the alimentary
canal is almost7 meters9 meters12 metersnone29 meters9HardPH is the
degree ogSolubility or insolubilityackus or reactionacidity or
alkalinityNone3acidity or alkalinity10MediumWhat speeds up the
reaction during digestionchewing food properlyeating
slowlyEnzymesPH3Enzymes11MediumThe fronts limits of mouth are
formed bytongue , teethupper- lower lipsteeth, lipsnone2upper-
lower lips12EasyThe function of lips is anperceiving
sensationspeakingsippingall4all13EasyIt helps in manipulating food
while chewing & mixing
salivateethlipstonguenone3tongue14MediumIt is the hardest part of
the ma bodyteethnailboneNone15HardTeeth of mammals are enclosed in
sockets in the bones so they arehetendantdeciduousthe
codentdiphyodont3the codent16HardTeeth are different shape, size
& perform different function, so they areheterodontdeciduousthe
codentdiphyodont1heterodont17HardThe condition in which these are 2
set of teeth, milk & permanent is calledheterodentdiphyodontthe
codentNone2diphyodont18EasyThe milk teeth are
calledprimarytemporarydeciduousall4all19MediumDe teeth develops
when thefoetus in 31/2 months oldchild is 6-8 months oldfoetus is 2
months oldfoetus is 41/2 months old3foetus is 2 months
old20EasyPushing up of the the teeth grow is calledgrowing
stagegrowthgummingteething21EasyThere are ---------------- sets of
milk teeth101520none32022EasyDeciduous teeth grows completely at
the age of2 yrs4yrs6yrsNone23HardThe deciduous teeth in each jaw
areincisors -2, canines -2, molars -6incisors -4, canines -4 molars
-2`none3incisors -4, canines -2, molars -4;24HardBetween the of
------------ & ------------------ the milk teeth start making
way for permanent teeth3, 125,126,12None13, 1225EasyThe four forms
teeth arecanineIncisorsmolauspremolars2Incisors26HardThe
characteristics of Incises is/are:- 1. the are sharp & straight
2. their cutting edge are & chisel like 3. they have a single
root canal 4. They are used for holding & flaring1 & 21
& 4all except 3all except 4Dall except 427EasyOn the either
side of incisors these are
onemolarscaninesprenumannoneBcanines28EasyThese are conical shaped
teeth used for holding & tearing the
foodincisorsmolarscaninespxmolarsCcanines29MediumCharacteristics of
canines are 1. they are long & sharp 2. they are conical &
pointed 3. they are used for biting & cutting 4. They have
single root1 &24all except 4all except 34all except
330HardWhich of the lower jaw are the smaller permanent
teethIncisorscaninespxmolardnone1Incisors31EasyNext to the Canines
aremolarspremolarsincisorsnone2premolars32MediumThese are ------ no
of premolars in all48caninesnone2833EasyIt helps in grinding &
chewing foodmolarspremolarscaninesnone2premolars34MediumThe board
humming surface of the premolars are
calledHillsdrughumpscusps4cusps35MediumThe premolars are also
calledwisdom teethhillscusps436HardThe bone upper molar has ------
root are rest ----- roots2,11,21,1none12,137EasyThese are -------
no of molars on either side of the similar on each
jaw23462338Mediumfollowing are the characteristics of Molars: 1.
they have the to 5 cusps 2. they are used for crushing &
grinding food 3. the last molar develop after the jaws grows on 4.
the grew at the adult stage1 & 42 & 33 &
4all4all39MediumAs on the last molar develops at the age of
maturity it is calledmatured teethhererodentwisdom toothnone3wisdom
tooth40MediumThe dental formula of an adult to teeth
isnone341Easy142EasyThe part of the tooth which remain exposed
above the gum isneckcrownrootNone2crown43EasyThe -------- remains
embedded in a cup like socket of the jaw
boneneckrootdentineNone2root44EasyThe slight construction between
the root & the crown iscementneckboth2neck45EasySelect the
proper sequence of the part a toothenamel, cement, dentine,
pulpenamel, dentine, cement, pulpcement, enamel, dentine,
pulpNone2enamel, dentine, vement, pulp46MediumWhat is the hardest
substance in the bodydentineenamelbonenone2enamel47EasyEnamel is
composed ofcalciumphosphoruswaterall4all48MediumColor of enamel is
white due appear yellowish in some cases becausein some it is
yellow in colorenamel is transparent & yellow dentine below
shows throughbothnone2enamel is transparent & yellow dentine
below shows through49MediumWhat form the bulk of the
toothenameldentinecementpulp2dentine50MediumStr&s of cytoplasm
of the cells runs through the minute canats
ofenamelcementdentinenone3dentine51HardWhat is a soft connective
issues contained in the ---- of the toothcement, cavitydentine,
pulp cavitypulp, dentinepulp, pulp cavity4pulp, pulp
cavity52MediumPulp consists ofblood capillarieslymphersselsnerve
fibersall4all53Hardwhat consists of very small fivers which extend
through the cement & into the bone socket of the
toothligamenttissuesperiodontal ligamentperiodontal
tissues3periodontal ligament54HardWhat serves as the shock absorber
while chewingcementjaw bonesperiodontal
ligamentpremolars3periodontal ligament55MediumWhat breaks the food
into pieces which can be
swallowedbitingcuttingchewingchurning3chewing56MediumWhat increases
the surface of digestionmouth &
teethtonguechurningchewing4chewing57HardNumerous ----- are found in
the mucous membrane which help in
digestionligamentChemicalssalivary gl&sbolus3salivary
gl&s58HardThe largest salivary gl& located behind the ear
issublingual gl&parotid gl&subnone2parotid
gl&59MediumWhich salivary gl&s lies close to the inner of
the lower
jawparotidsublingualsubm&ibularnone3subm&ibular60HardSublingual
gl&s are found below the -------wind pipefood pipeupper
jawtongue4tongue61HardWhich form the gl&s transport the
secreted saliva into the mouthsalivary
amylasedietbothnone162MediumWhich tof the following is correct: 1.
small quantities of saliva keeps secreting all the 2. while eating
flare decrease 3. sight or smell of tasty food can cause an
increase in flow of saliva 4. while eating the flow of saliva
increases1 & 31 & 4all except 2all except 43all except
263EasyWhat is a digestive juice which lubricate the food &
make the small pieces stick
togetherenzymesalivaamylasenone2saliva64HardThe enzyme which saliva
contains ismaltosebolusptyalinnone3ptyalin65HardAnother name do
salivary amylase ismaltosebolusptyalinnone3ptyalin66Hardwhat acts
on the stomach foods & breaks down into -------ptyalin,
glucoseptyalin, stomachglucose, maltoseptyalin, maltose4ptyalin,
maltose67MediumThe daily output of saliva is an adult is between
------- to -----------0.2 to 3 lt0.5 to 2 lt0.1 to 2 ltnone20.5 to
2 lt68MediumThe action of saliva con for a while even after the
food is -------------digestedchewedbroken down into
piecesswallowed4swallowed69HardThe food has to pass over the -----
in order to enter the ---------windpipe, stomachthroat,
gulletwindpipe, gulletfood pipe to gullet3windpipe,
gullet70Hardcomposition of saliva is ; saliva is acidic fluid &
contains -----,------,------,-------calcium, salt, iron,
ptyalinwater, salt, mucus, ptyalinwater, iron, ptyalin,none2water,
salt, mucus, ptyalin71MediumWhat is a of food particles stuck
together to facilitate swellfood massSalivary
foodbolusnone3bolus72MediumSaliva act as a ---------, by dissolving
food particles to stimulate taste
butsolutesolventEnzymesnone2solvent73MediumBoiled rice taste sweet
if chewed well becauseptyalin converts starch in glucoseptyalin
converts glucose intoptyalin converts starch into
Maltosenone4none74MediumWhat cleans the mouth & destroy to
prevent tooth decaytoothpastemedicinesalivaNone3saliva75HardSaliva
aids is -------- -------- in the body by giving a feeling of
-------- to body waterwater shortage, thirstwater balance,
thirstwater imbalance, thirstnone2water balance,
thirst76MediumAction during swallowing are 1. The tongue forces te
bolus in the pha 2. the soft plate opens the opening between the
throat & the nasal passage 3. the soft plate closes the opening
between the throat & nasal passage 4.The is pulled upward the
epiglottis closes in classing1,2,41,3,4allnone21,3,477HardWhen the
------ closes the opening of remains only one passage for the
swallowed food calledgulledphaesophagusboth 1 & 34both 1 &
378HardWhat is a flap the back of the tonguesoft
platepalateharynxepiglottis4epiglottis79MediumWhat prevents the
food from entirety into the
windpipepalateepiglottisbothnone2epiglottis80MediumSwallowing food
is ----- action at the
beginningreflexautomatecomplexvoluntary4voluntary81MediumWhen the
food reached the back of the mouth swallowing action becomes
----------------
actioncomplexreflexvoluntarynone2reflex82MediumWhen the food
reaches the esophagus it is conducted behind by a special movement
calledcontractionrelaxationperistalticnone3peristaltic83MediumThe
wave of constriction caused by the circular muscles of the which
pushes the food along is
calledrelaxationconstrictionperistalsisnone3peristalsis84MediumThe
----- is a slimy fluid secr by the gut which lubricates the
foodsalivapusMucusnone3Mucus85EasyWhat is the tube which passes a
conducts the food from the throat to the stomachfood
pipewindpipeesophagusnone3esophagus86MediumSolid food passes
through the gut in ----- while liquid food takes -----------
seconds6 -8; 2 -36 - 8;3 - 45-6;3-45-6;2-316 -8; 2
-387EasyDigestive does not take pace in -----mouthfood
pipegutnone3gut88EasyThe ---- is an elastic bag which stretches to
collect foodduodenumintestinepancreasstomach4stomach89HardThe walls
of stomach are highly --- & ------- the food, turns it into a
---- & release it in small quantities to the rest of the
--------flexible, grind, pase, body partsmuscular, churn, liquid,
almentary canalmuscualr, grind, liquid, body partsmuscular, churn,
pase, alimentary canal4muscular, churn, pase, alimentary
canal90HardThe ---- is a circular b& of muscles at the lower
end of the stomach which stops solid food particles from passing
throughchimepyloric sphinctercaseinnone2pyloric sphincter91HardThe
---------- prevents regurg taken from the duodechimecaseinpyloric
sphincterNone3pyloric sphincter92MediumThe gastric gl&s in the
stomach secrete gastric juice containing the
enzyme-------chimecasesinogmpepsin4pepsin93MediumPepsin acts
proteins so it is
calledpeptidesproteasebothNone2protease94EasyPepsin breaks protein
into soluble compounds
calledproteasepeptideschimenone2peptides95EasyThe enzyme found in
children act upon the soluble milk protein
inprotcaserennincaseinogenscasein1protcase96MediumRennin acts on
milk protein ---- & converts it into insolubleprotease,
caseinprotease, caseinogenscaseinogens, caseincasein,
caseinogens3caseinogens, casein97EasyAn average adult's stomach can
hold ------- to ----- liters of food3,42.31,24,522.398EasyThe
gastric secreted by the lining of stomach iscolor less, highly
acidiccontain watercontain hydrochloric acid &
pepsinall4all99MediumThe function of Gastric juice is fare 1. to
hill germs which may enter with the food 2. activates pepsin to act
an carbohydrates 3. activated pepsin to act on proteins 4. acts on
pepsinogen to produce pepsin1,2,41,3,4all1100MediumThe food stays
in the stomach for about ----- hrs & attains a pulp like form
called -------4, pulp3,pulp3, chimenone33, chime101EasyThe
-----allows the chime to enter little by little to the small
intestineb&pyloric sphincterscavitynone2pyloric
sphincters102EasyWhen the stomach is overloaded or disturbed -----
occurs because the front -------- opens & ----- is caused
theory the content through the mouthcommitting, pie , sphincter,
peristatorsvomiting, pylorus sphincter, ontiperistalsisolycenty,
peplum valve, backflownone2vomiting, pylorus sphincter,
ontiperistalsis103MediumPylorus is an opening foresophagus into
stomachmouth cavity into esophagusstomach into intestineIntestine
into rectum3stomach into intestine104EasyGastric juice centaursHCL
& pepsinpepsin & tyrosinetyrosine & HCLamylopsin &
pepsin1HCL & pepsin105MediumThe dimes of small intern are -----
meters in length & ---- can wide8, 37, 37, 2.58, 2.537,
2.5106MediumThe ----- is coiled & flooded in the
abdomenduodenumvilesmall infestingnone3small infesting107EasyThe
small intestine has regions to sequence calledduodenum, item,
jejunumduodenum, jejunum, ileumduodenum, jejunum,
villanone2duodenum, jejunum, ileum108EasyWhat is the short folded
or looped upper part of the small
intestineduodenumjejunumileumnone1duodenum109EasyThe -------- form
the liver & ----- from due pancreas pour their fluids into the
duodenumqdile dust, pancnatic dustbile dust, pancreatic
dustbilirubin, biliverdinbile dust, biliverdinbilirubin , pancake
dust1bile dust, pancreatic dust110EasyNext to the duodenum is the
----- which means emptyIleumjejunumpancreasnone1jejunum111EasyThe
final stapes of digestion takes place in
thepancreasjejunumileumnone3ileum112MediumThe ileum secrets ----
liters of intestinal juice in adults1,22,33,42,422,3113MediumThe
finger like p in the inner line of the ileum are
calledlacteallegumevillanone3villa114MediumThe celli containsan
artery ,a veininter connective blood
capelinslactealall4all115Hardthe inner surface are provided by
villa facilitates the ----- of digested
foodfiltrationfarabsorptionnone116EasyThe ---- serves both for
digestion & absorption117EasyThe yellowish green watery fluid
produced in the liver isbiliverdinbilirubinbilenone3bile118Hardthe
common bile dust is forward by the ----- & -----hepatic,
cysticenter peptic, end pepticend peptic, hepaticnone1hepatic,
cystic119EasyThe bile gets temporarily stored in the
---------liverpancreasstomach into intestinegall bladder4gall
bladder120MediumThe color of the bile is due to the
pigmentstyrosine, steapsinbeliverdin, belirubinerepsin,
lipaxnone2beliverdin, belirubin121MediumThe --- & --- are
forward by the break down of the dead & worh out RBCserapsin,
tnjpsinbilirubin, biliverdinerapsin, biliverdinnone2bilirubin,
biliverdin122HardBile contains lot of ---- to neutralize the acid
content of the food received from stomach & make it
---------bile salt, alkalinesodium bicarbonate,
alkalinebothnone3both123HardBile salts reduce the ---- of fats
&--- thensurface tension, decomposesurface area,
emulsifierssurface tension, emulsifiesnone2surface area,
emulsifiers124MediumThe enzymes sec the pana mylopsin, trypsin,
steapsina mylopsin, lipase invertasetrypsin invertase, lipaseNone1a
mylopsin, trypsin, steapsin125HardWhich digest left over starch
into maltosea mylopsintnpsinlipasenone1a mylopsin126HardWhat acts
on the remaining proteins & --- to produce smaller peptides
& ----trypsin, polypeptides, anuno acidssteapsin, emulsidied
fat, glyceroltrypsin, trypsinogen trypsin (active)none1trypsin,
polypeptides, anuno acids127HardThe enzyme ------- converts the
inactive trypsinogen to active-----enterdcinase,
trypsinenterokinase, maltoseenterokinase, amino
acidnone1enterdcinase, trypsin128HardWhat acts on emulisified fats
to convert them into ------- & --------steapsin, fatty acids,
glycerolproteiun peotites, aminoacidssteapsin, fatty acids,
glucosenone1steapsin, fatty acids, glycerol129MediumThe intestinal
juice the ------- converts peo into amino
acideropsinmaltasesucraselactose1eropsin130HardIn the intersinal
juice, the -------- converts malose into --------maltose,
glucosemaltose, galactoselactase, glucesenone1maltose,
glucose131MediumThe sucrase in the intestine convert sucrose into
---------glucosefructosebothnone1both132EasyThe Lactose converts
the Lactose into -----glucosegalactosebothnone3both133MediumThe
-------- converts ---- fats into ----- & glycerollipase,
emulisified, fatty acidmaltose, emulsifies, amino aciderapsin,
eamlsified, fatty acidnone1lipase, emulisified, fatty
acid134HardThe final products of the food are absorbed in the
--------large in testinesmall in testinepancreasnone2small in
testine135MediumThe following are absorbed throught the thin
epithelium of the villi & reach blood cappileries 1. amino acid
2. simple sugar 3. fatty acids 4. glycerol1 & 23 &
4allnone11. amino acid 2. simple sugar136HardWhat are the first to
reach the liver through the hepatic portal veinfattly acid,
glycerolfally acid, amino acidfattly acid, simple sugaramino acid
& simple sugar4amino acid & simple sugar137HardThe ------
& ------ are abosored tnto the lymph vessel to enter the
lympatic systen & finally to the blood streamamino acids,
glucosefatty acid, glycerolboth 1 & 2none138EasyIt takes about
---- hrs to enter the large intestine342 yrsnone24139HardThe
completely digested food in ilenm is called ---- amino acidamino
acidsglycerolglucosechyle4chyle140MediumIt is a physiological
procen by which various substances pan across layer of cells ito
the internal environment of the
bodyingestiondisgestionabsorptionejecktion3absorption141EasyThe
large intestine is about ------- meters long234none23142EasyThe
parts of large intestine arecaecum, colon, rectumcolon, caecum,
rectumduoderum, jejunum,ilenmnone1caecum, colon, rectum143MediumThe
--- is a blind pouch situated at the junction of the small &
large intestinecoloncaecumrectumnone2caecum144MediumThere is a
narrow worm like structure at the clind end on the caecum
isvermifom appendixrectumpancreasnone1vermifom
appendix145MediumWhich is the vestigial organ in
humanpancreascolonappendixnone3appendix146HardThe ---- in the colon
digest part of the fibre to form ----- which the colon can
absordvirus, fattly acidsbacteria animo acidsbacteria, fattly
acidnone3bacteria, fattly acid147EasyThe ----- absorbs much of the
water from the undigested
residuescaecumcolonrectumnone2colon148MediumWhich salts are
absorbed in the & returned to liver by blood
circulationcaecumcolonrectumnone2colon149EasyThe material passing
intot the large intestine are :- 1. water with undigested matter 2.
cellulose & roughape 3. mucus 4. dead cells from the almentary
canal1& 23& 41& 4all4all150EasyThe final region of the
alimentary canal ends up atileumcaecumanusbowels3anus151EasyThe
semi solid digested which isurinefeacesstoolboth 1 & 34both 1
& 3152EasyThe act of expelling feaces
isagestiondeflectionbothnone3both153EasyThe feaces constists : 1.
water, dead bacteria 2. fat 3. protein 4. rough1 & 42& 43
& 4all4all154MediumConversion of the absorbed digested food
into body material
isconversionassumilationabsoptionnone2155MediumDigestive food &
absorbed food in wa throughhepatic portalbylupatic
systemdeanummation systemboth 1 & 22156MediumSimple sugar
isglucose, fructose, galactoseglucose fructose, maltoseglucose,
surcose, maltosenone1glucose, fructose, galactose157EasyDigested
food which is carried to the liver aresimple sugar, amino
acidvitamins, mineralsallnone3all158EasyThe absorbed food are
carried to me liver ny the ---- veinhepaticportalhepatic
portal4hepatic portal159EasyThe -------- can the excess glucose or
excess simple sugar into
----------glactoseglycerolglucosenone3glucose160HardThe glucose is
needed in the body of ---------- in cellular ------- & in the
---------- of certain compoundenergy, respiration, synthenisfood,
organism, assimilaenergy, organism, assimilationnone1energy,
respiration, synthenis161EasyThe ----- serve as building block of
proteinfattly acidsglycerolamino acidsnone3amino
acids162MediumExcess amino acids are broken down in the ----- by a
process called--------pancreas, fermentationliver,
deaminatainpancreas, deaminationliver, fermentation2liver,
deaminatain163EasyThe process in which nitrogen containing amino
groupis remarked & converted into urea for excretion & the
removing part from glucose to
utilisationdepositionconversiondeamirationnone4none164HardWhich is
the largest gl& in the bodypancreaslarge intestineliversmall
intestine3liver165HardThe ---- lies beneath the diaphragm &
partly overlaps the
stomachpancreasappendixlivercolon3liver166EasyBlood flow in the
liver is over ----- per minute1/2 lt.a liter2 litersnone2a
liter167EasyBody's main metabolic center
iscolonheartpancreasliver4liver168HardIn the liver all the function
asre carried out by only one type of cellepithetial
cellriplasmaliver cell4liver cell169HardThe converts blue green
color of fehing's solution to ---------redyellowdeeep reddeep brick
red4deep brick red170HardThe constit of food is -------- if the
& result of fest shows whote to yellow, yelllow to orange clour
after adding ammonium hyroxideamino
acidsproteinsfatsnone2proteins171HardThe constituant turns blue
black after adding iodine solution indicates the presenceamino
acidsstarchglucosenone2starch172HardIf ash does not burn after
continnd heating it indicatespresence of mineral substancefat
cunstancepresence of fatty acidsnone1presence of mineral
substanceDifficulty LevelEasyMediumHardOption1234
1,2.2,3----------1,2,2,32,2,1,3----------2,2,1,32,1,2,3----------2,1,2,32,1,2,3----------2,1,2,3
Eco systemTopic: Eco SystemBoard:
ICSEOptionSl.NoDiff.LevelQuestion1234Right
OptionAnswerSkill1MediumA functionally independent unit of nature
where living organism interact among themselves and with their
physical
environmentenvironmentneighborhoodscriptumnone3scriptum2EasyWhat is
primary need of all organismshelterfoodclothesnone2food3EasyThe
general interrelationship between the plant like and animal life
irrespective of the physical feature where they survive isfood
producerfood consumesbothnone3both4EasyPools and puddles are not
ecosystems asthey are temporarythey are produced by rainthey are
produced by other overflowing virusall4all5EasyPond is an ecosystem
because:- 1.it has varied mix life 2. green plants are food
producers and serve food to in the pond 3. numerous fungi and
bacteria decomposes the dead remains to replenish natural 4. soil
is useful for plants and animals in the pond1 & 22 & 31
& 4all4all6EasyPlants produce their own food through
photosynthesis and hence arefood
producerautotrophyheterotrophicnone2autotrophy7EasyA wmals which
directly eat the plant directly consumes their parts are
calledautotrophsherbiveresdirect cannmesprimary consumers4primary
consumers8EasyAnimals that feed on primary consumers aresecondary
consumersherbiveresplantall1secondary consumers9EasyAnimals that
feed on secondary consumers areflesh eaterssecondary
carnivoroustertiary consumersall4all10EasySecondary carnivorous
which eat the primary cannivores are calledprimary
carnivoroussecondary carnivoroustertiary consumersnone3tertiary
consumers11EasyPlants which occur naturally in a particular area
are calledplant systemvegetarionfloraall3flora12EasyAnimals which
lives naturally in a particular area is calledanimal kingdomanimal
lifefaunaall3fauna13EasyWhich of the following is component of eco
system 1. plants 2. animals 3. air 4. water1 & 23 & 41
& 4all14EasyPlants, animals and microorganism are --------- of
eco systemliving componentbiotic componentabiotic component1 &
24living component, biotic component15EasySunlight, air, water, are
components of eco systemnon livingabioticbiotic1 & 24non
living, abiotic16EasyWhich of the following are the abiotic
component of ecosystemairplantanimalsall1air17EasyWhich of the
following are the bitic component of
ecosystemwaterplantsairall2plants18EasyGreen plants in the forest
belongs to Trophic level12342219EasyRats, rabbits, dear directly
eat the fruits, seeds, flowers etc belong to tropic
level12342220EasyTiger, wolf, lilzard, feed on herbivaves belong to
tropic level23412221EasyFlesh eater which cansume secondary
consumers like peacoak belong to tropic level12344422EasyDead
material eaters are
calledscavergersdecomposersetrivoraonsall3etrivoraons23EasyScavergers
areanimal that feed on only dead animalsanimals that feed on other
animalsanimals that feed on herbivorousanimals that feed on
Carnivorus1animal that feed on only dead animals24EasyOrganisms
that break down the dead organic metatial are calledorganic
componentsdecomposersbothnone2decomposers25EasyScavergers and
decomposers are calledsecondary consumersprimary consumerstritiary
consumersdetritivores4detritivores26EasyWha is the abiotic
compoment which help in the production of food by
photosynthesisairwatersunlightnone3sunlight27MediumWhich of the
following is not a function of air in ecosystemprovide O2 to
animals & plants for respirationsprovide CO2 for
phtosysthesisprovide warmthhelps in disposal of seeds3provide
warmth28HardWhich among the following infulences the kind of body
functions in plants and animals living in particular
areawaterairsoilwarmth4warmth29MediumThe formost compound on the
forest ecosystemwaterairsoilall3soil30MediumWhich of the following
is true:- 1. soild contains water and minreals required for animals
2. soil contains microorganisim 3. it is a dwelling for burrawing
animals and earth warms 4. Tree, frass, bush grow in the soil1&
23 & 42, 3 & 4all32. soil contains microorganisim 3. it is
a dwelling for burrawing animals and earth warms 4. Tree, frass,
bush grow in the soil31MediumSoil is found in the watersoil remain
floatingsoil is present are the bottombothnone2soil is present are
the bottom32MediumWhich of the following are found in the tropical
rain forestevery green trees, bamboos frem, shrubsdeciduosis trees,
pines, oakconifrem trees, fir pineall1every green trees, bamboos
frem, shrubs33EasyVery few animals are found intropical rain
foresttemperature deciduosis forestconifrem forestall3conifrem
forest34MediumIn the forest at high altitudes the most like trees
found arebambooshrubsfermsfir4fir35EasyWide varities of foor and
farm is found inrain forestdeciduosis forestconifrem forestall1rain
forest36MediumThe fo organism in which each organism eats athe
lower member and itself being eatan by its higher member infood
chainfood webfood cycleall1food chain37MediumA pattern of servral
entir connecting food chians in a natural community of dfferent
organic isfood pyramidfood cyclefood webfood cluster3food
web38EasyGenerally steps in a food chain may be from2 to 52 to 72
to 8none12 to 539MediumWhat is the only link between the organic
and inorganic wter in a food
chainwatersoilplantanimals3plant40Mediumwhat transfer inorganic
chemicals into organic compound for consumption of other living
things in the eco systemmicro
organismplantssoilnone2plants41MediumWhich of the following is
advantage of food webfood webs provides alternative foodensure
better chanee of survival of an organicbothnone3ensure better
chanee of survival of an organic42MediumRepresentation of
decreasing numbers of individuals and their decresding body narves
eash next higher leverl in food chainisfood pyramidfood webfood
cyclenone1food pyramid43MediumIn bioman pyramid which of the
following criteria is concernedamong of food cousumed in the
lifeno. of individuals consumedman of individuals consumedall3man
of indiciduals consumed44MediumWhich of the following is danger for
ecosystem:- 1. industrialization 2. climate change 3. food and
water storage 4. exploitation of natural resources1 & 23 &
4al except 2all4all45MediumDeer in a food cain would ocupy the
positive oftertiary counsumerssecondary consumersprimary
comsumersproducer3primary comsumers46MediumA rat in a food chain
occupies positive ofprimary consumerssecondary consumerstertiary
consumersproducer1primary consumerslevelright1122334
Respiratory SystemTopic: Respiratory SystemBoard:
ICSEOptionSl.NoDiff.LevelQuestion1234Right
OptionAnswerSkill1MediumThe chemical present of releasing energy
break down glucose for carrying act life
processdigestingassimilationinhalationrespiration4respiration2MediumRespiration
that occurs inside the living cells, and yields energy is
calledtrue respirationcellular respirationvascular
respirationtransfusion2cellular respiration3MediumAnother name of
cellular respirationmolecular
respirationtranspirationdiffusiontissues respiration4tissues
respiration4MediumThe breakdown of glucose occurs inthe cytoplasm
of the cellthe mitochondriabothnone2the mitochondria5MediumThe
breakdown of glucose occurs with the help
ofstarchglucoseenzymesnone3enzymes6MediumThe energy liberated in
the breakdown of glucose molecule ifin the form of heat energyin
the form of chemical energybothnone3both7MediumThe chemical energy
generated during the breaking down of glucose
isADPATPenzymesall2ATP8MediumAnimals head uses energy than plants
becauseanimals do physical workanimals need toanimals need to
produce mass heat energyall4all9MediumWhich of the following need
more heat
energybirdsinsectsreptilesmicroorganism1birds10MediumWhich energy
helps to keep the body warmchemical energyheat energykinetic
energynone2heat energy11MediumPeople shi or clatter teethgain extra
strengthto drive away fearto drive away dangeremergency activity of
muscular to produce extra heat4emergency activity of muscular to
produce extra heat12MediumCellular activity get energy
frommineralsoxidant of glucosevitaminall2oxidant of
glucose13MediumWhen diet supply of carbohydrates is not supported:-
1. cells break down the protein to produce glucose 2. cells break
down the fats to produce glucose 3. cells cannot produce glucose in
absence of carbohydrate 4. cells dies1 & 23 & 41, 2 &
3none11. cells break down the protein to produce glucose 2. cells
break down the fats to produce glucose14MediumIn protein to rich
glucose is available fromliverpancreaslarge
intestineall1liver15MediumWhich of the following is the over all
equation of respirationC6H12O6+6CO2 --> 6CO2+6H2O
+energyC3H6O3+3O2 --> 3CO2 + 3H2O + energy2C6H12O6 + 12O2 -->
12OO2 +12H2O + energynone1C6H12O6+6CO2 --> 6CO2+6H2O
+energychemical steps in respiration16MediumWhat happen to the
amino acids absorbed through protein digestionbroken down into
glucosebroken down into nitrogenous part anbothnone31. broken down
into glucose 2. broken down into nitrogenous part an17MediumWhere
is the glucose produced through in flesh eaters standas glycogen in
liveras fat under the skinas amino acidsas use far excretion1as
glycogen in liver18MediumAccumulation of -------- gives us the
feeling of fatiguefolic acidamino acidlactic acidall3lactic
acidKinds of Respiration19MediumWhere does anaerobic respiration
take place in animals and humansblood cellsskeletal muscular
cellsnerve cellsall2skeletal muscular cellsKinds of
Respiration20EasyIn which of the following situation anaerobic
respiration does not takes place in humanswimmingweight liftingfast
running3Kinds of Respiration21Mediumthe product of anaerobic
respiration in the muscles isamino acidslactic acidhydrochloric
acidnone2lactic acidKinds of Respiration22HardAccumulation of
------- gives us the feeling of fatiguefolic acidamino acidlactic
acidall3lactic acidRespiratory system23HardThe feeling of fatigue
caused due to anaerobic respiration
calledperspirationtirednessoxygen debtoxygen loss3oxygen
debtAnaerobic respiration24MediumThe chemical formula of anaerobic
respiration in animals isC6H12O6+6CO2 --> 6CO2+6H2O + 686 k cal
energyC3H6O3+3O2 --> 3CO2 + 3H2O + 383 K cal energy2C6H12O6 +
12O2 --> 12Co2 +12H2O + 686 k cal energynone1C6H12O6+6CO2 -->
6CO2+6H2O + 686 k cal energychemical steps in
respiration25HardWhich of the following is the chemical equation in
human of ATPC6H12O6+6CO2 -->6CO2 +6H2O +38ATP +420 cal2C6H12O6 +
2O2--> 12CO2 + 12 H2O +76 ATP +840 Kal2C3+ H6O3 --> 6CO2 +
3H2O +38 ATP +420 K CALnone1C6H12O6+6CO2 -->6CO2 +6H2O +38ATP
+420 calchemical steps in respiration26HardChemical equation of
anaerobic respiration isC6H1206 --> lactic acid +2ATP + heat
energy2C6H12O6 -->lactic acid + amino acid+ 4ATP + heatC6H12O6
-> amino acids +2ATP + heatnone1C6H1206 --> lactic acid +2ATP
+ heat energyAnaerobic respiration27MediumWhich of the following is
characteristic of anaerobic respirationreaction can continue for
longlactic acid has toxic effect on cellsCo2 is
producednone1reaction can continue for longAnaerobic
respiration28MediumAnaerobic respiration in animals differs from
that in animals byCo2 is released in plants and not in animalsO2 is
used in respirationheat energy is releasedglucose is the ultimate
product1Co2 is released in plants and not in animals29HardWhich of
the following are the major parts of respirationbreathing, gascon
transport, tissue respirationbreathing, gascon transport, cellular
rebreathing garcon , tissue respiration, cellar
respirationbreathing, tissue respiration, cellular
respiration3breathing garcon , tissue respiration, cellar
respirationParts of Respiration30MediumThe physical process in
which air is taken in and forced out isrespirationgaseous
transportbreathinginhaling3breathing31EasyThe lungs absorbs
--------- through bloodairoxygenCo2none2oxygen32HardThe oxygen is
connected by RBC through the body aspurified oxygenarterial
oxygenoxy hnone3oxy h33MediumThe --------- carries oxygen in the
lungs to the bodynervestissuesarteriesnone3arteries34MediumThe
------ carries the Co2 from the
lungsveinsarteriestissuesnone4none35HardCarbon dioxide in the
bloods is transferred in the foam ofcarbonate and
hemoglobinbicarbonate and hemoglobincarbanion, hemoglobin &
carbonatecarbonino, hemoglobin, &
bicarbonate4carbaminohemoglobin, & bicarbonateRespiratory
system36HardCarbon dioxide in plasma canines as dissolved
ascarbonatescarbanionsbicarbonatesnone3bicarbonates37MediumThe
carrying oxygen and carbon dioxides through the capillaries
iscellular respirationtissue respirationbreathingall2tissue
respiration38MediumThe chemical changes that occurs inside the cell
to release energy isrespirationtissue respirationchemical
respirationcellular respiration4cellular respiration39HardCellular
respiration occurs in the from ofglycolysis, krebs cyclesbreakdown
of glucosebreak down of lactic acidnone1glycolysis, krebs
cycles40HardWhere does glycolysis occur 1. in cytoplasm 2. outside
the mitochondria 3. inside mitochondria 4. in mitochondria1&21
& 3341in cytoplasm, outside the mitochondria41MediumEnd product
of glycolysis in animals isethanollactic acidcarbonic
oxideall1ethanol42MediumThe HT released during respiration are
removed in the mitochondria through O2 by
followingwatervaporfoamnone1water43EasyThe reparatory system
comprisenose, pharynx, larynx, trachea, lungsnose, phonyax,
trachea, bronchi, lungsnose, phonyax, larynx, trachea, bronchi,
lungsnose, mouth, pharynx, larynx, trachea, lungs3nose, phony ax,
larynx, trachea, bronchi, lungsRespiratory Organ44MediumFunction of
nose is:- 1. it warms air, 2. moister the air, 3. traps harmful
particles, 4. smee1 & 41,2 & 42,3 &4all41. it warms
air, 2. moister the air, 3. traps harmful particles, 4.
smee45MediumWhich of the following is the function of mucous in the
nasal chambermoister airwarm airtrap harmful particlesnone3trap
harmful particles46EasyThe sensor cells of smell are located
inlarynxpharynxnasal chambernone347MediumThe ---- is the common
passage for foodlarynxpharynxtracheanone2pharynx48MediumThe pharynx
leads to 1. food pine 2. wind pipe 3. trachea 4. ocps phagans1&
21 & 41 & 3none11. food pine 2. wind pipe49EasyThe flap
which guards the entire of trachea istrachea
coverepiglottismucousnone2epiglottisRespiratory
system50EasyIncomplete closure of epiglottis daubery swelling
causesvomitingcoughsneezenone2cough51MediumAdam's apple
islarynxpharynxtracheanone1larynx52EasyThe larynx has ----- which
generates soundsound boxvocal chordsvocal chordsnone3vocal
chords53MediumThe ---- energy from the larynxtracheavocal
chordspharynxnone1trachea54HardThe trachea remains partly co by the
---- in the neckvocal chordsbronchithyroid glandnone3thyroid
gland55MediumWhich is the followings are the function of the C-
shaped rings of cartilage of wall of :- 1.provide flexibility 2.
allow movement 3. keep the trachea distended 4. strengthen its
wall1 & 23 & 4all except Call31.provide flexibility 2.
allow movement distended 4. strengthen its wall56MediumThe ---- is
channel between the trachea of the lungslarynxvocal
chordspharynxbronchi4bronchi57HardThe -------- of the bronchi has
circular cartilaginous rings to keep then distendedprimary
bronchisecondary bronchitertiary bronchibronchioles3tertiary
bronchi58MediumThe bronchioles ends up in a cluster of
chambersalveolitertiary bronchiciliated
chambersnone1alveoli59MediumOxygen from the air first dissolves in
the fluid layer of which parttracheasecondary bronchitertiary
bronchialveoli4alveoli60HardThe protecting inner lining of
respiratory organ is farmed bystratified musclesciliated
epitheliumsqualors epitheliumglandular epithelium2ciliated
epithelium61MediumWhat are pair of spongy and elastic organs of
respiratory systembronchilungslarynx pharynxnone2lungs62EasyNo of
lobes in left lungs are ----- and that of right
one2,33,22,2none12,363MediumThe left lung is smaller then the right
toaccommodate liveraccommodate gall bladderaccommodate
heartnone3accommodate heart64HardWhich of the following act as a
lubricators in the movement of the lungsmusclesebumpleural
fluidnone3pleural fluid65MediumThe greater part of the thoracic
cavity is occupied bypharynxlarynxlungsbronchi3lungs66HardVisceral
pleura is the inner membranes lining of the --------bronchiinner
lining of lungstrachea bronchiouter lining of
lungs1bronchi67HardWhich of the following is the outer lining of
lungspleuravisceral pleuraparietal pleurapleural membrane3parietal
pleura68MediumThe ------- blood is pumped into the lungs through
the pulmonarydeoxygenated, arteryoxygenates, veindeoxygenated
veindeoxygenated artery1deoxygenated, artery69MediumThe oxygenated
blood is pumped acts by the lungs throughpulmonary veinpulmonary
arterycapillariesnone1pulmonary vein70EasyWhat is the process of
inhaling and exhaling is
calledrespirationinspirationbreathingnone3breathing71MediumWhich of
the following are phases of respiratory cycleinspiration,
expiration, respiratory pauseinhalation, exhalation, respiratory
pauseboth 1& 2none31. inspiration, expiration, respiratory
pause 2. inhalation, exhalation, respiratory pause72MediumWhat is
the breathing rate in adult11 - 15 breaths /min12 - 18
breath/min15-20 breath/minnone212 - 18 breath/min73MediumWhat is
the rate of breathing in an infant20-30 breaths/ min30-40
breaths/min40-50 breath/min60 breaths/min460
breaths/min74MediumWhat causes increase in the breathing
rateincrease in fat in bloodincrease in oxygen content in
bloodincrease in carbon dioxide content in bloodnone3increase in
carbon dioxide content in blood75EasyWhich of the following is the
result of increase in side of thoracic
cavityinspirationexpirationperspirationbreathing1inspiration76MediumCombined
action of ribs and diaphragm during inhalation causesincrease in
the size of thoracic cavitydecrease in the size of thoracic
cavitybothnone1increase in the size of thoracic cavity77EasyDuring
inspiration the internal intercostals muscles
--------contractrelaxmovenone2relax78HardDuring inhalation the
------- contracts, it -------- form it's down shape outlinerib
muscles, fallsdiaphragm, flattersrib muscles,
broadensnone2diaphragm, flatters79HardThe ------- allows the
passage esophagus and two major blood
vesselsribsdiaphragmlivernone2diaphragm80MediumWhen the lungs
expand, the air pressure inside is -----increaseddecreasedhas no
effectnone2decreased81MediumThe external enter coastal relaxed
duringinhalationexhalationtranspirationnone2exhalation82EasyThe
diaphragm is ------
exhalationrelaxedcontractsflattersnone1relaxed83MediumThe breathing
monuments are controlled by the ------- centered located in the
----- of the brainbreathing,breathing, medulla
oblongatarespiratory, medulla oblongatanone3respiratory, medulla
oblongata84EasyWhat is the cause of stimulation of the respiratory
center of the brainO2H2OCO2none3CO285HardAir breath in and out in a
normal breathing is calledaspiratory volumetidal volumevital
capacitytidal capacity2tidal volumeLung capacities86MediumTidal
volume of normal human adult
is200ml300ml400ml500ml4500ml87HardTidal air left out in trachea and
bronchi is calledair spacevital air spacetidal air spacedead air
space4dead air space88MediumPlace where no diffusing of gases can
occurs is fartracheabronchibothnone31. trachea 2.bronchi89HardThe
tidal air contained in air sacs is calledair spacealveolar
aircomplementary airnone2alveolar air90MediumTotal capacity of
complemental air is1000ml2000ml3000ml4000ml33000ml91HardThe maximum
total volume of air that can be taken in or out by the during
impiration and expiration is calledtidal capacityVitol
capacitytotal lung capacitynone3total lung capacity92MediumMaximum
held at any time by 2 lungs
is3000ml4000ml5000ml6000ml46000ml93EasyWhich of the following are
true about exposed air then imposed air 1. it contains less oxygen
and more carbon dioxide 2. it contains more water vapor 3. it is
warmer 4. it does not contain bacteria1 & 21,2,& 41,2 &
31,3 & 43.1. it contains less oxygen and more carbon dioxide 2.
it contains more water vapor 3. it is warmer94EasyWhich of the
symptoms may occur due to lack of oxygendizzinessunsteady
visionloss of hearingall4all95MediumSick nests caused due to
deficiency of oxygen in the
tissueshypoxiaasphyxiationbothnone1hypoxia96MediumWhich of the
following is a condition when more CO2 accumulates in the
bloodhypoxiaasphyxiationdeoxidationnone2asphyxiation