Biology

Topic: Digestive Board: ICSE

Option

Sl.NoDiff. Level 1

Easy

2

Medium

3

Easy

4

Medium

5

Hard

6

Medium

7

Medium

8 9

Medium Hard

10

Medium

11

Medium

12

Easy

13

Easy

14

Medium

15

Hard

16

Hard

17

Hard

18

Easy

19

Medium

20

Easy

21

Easy

22

Easy

Question

1

What is the breakdown of naturally occurring food stuffs into diffusible form The food we eat shall be charged into --------------- form to be utilized What play a key role in the digestion of food taken in

Glucose, Sugar

Characteristics 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 reaction

A&D

Optimum temperature of the enzymes to be best active isThe digestive system comprises of What is the muscular tube starting mouth & ending at the anus The length of the alimentary canal is almost PH is the degree og

Respiration

Bacteria

25dgree & 30 degree mouth & teeth food pipe

7 meters Solubility or insolubility chewing food What speeds up the reaction during digestion properly The fronts limits of mouth are formed by tongue , teeth perceiving The function of lips is an sensation It helps in manipulating food while chewing & teeth mixing saliva It is the hardest part of the ma body teeth Teeth of mammals are enclosed in sockets in hetendant the bones so they are Teeth are different shape, size & perform heterodont different function, so they are The condition in which these are 2 set of teeth, heterodent milk & permanent is called The milk teeth are called primary foetus in 31/2 De teeth develops when the months old Pushing up of the the teeth grow is growing stage called There are ---------------- sets of milk teeth 10 Deciduous teeth grows completely at the age 2 yrs of

23

Hard

24

Hard

25

Easy

26

Hard

27

Easy

28

Easy

29

Medium

30

Hard

31 32 33

Easy Medium Easy

34

Medium

35

Medium

36

Hard

37

Easy

38

Medium

39

Medium

40 41

Medium Easy

42

Easy

43

Easy

44

Easy

45

Easy

46 47

Medium Easy

The deciduous teeth in each jaw are Between the of ------------ & ------------------ the milk teeth start making way for permanent teeth The four forms teeth are The 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 & flaring On the either side of incisors these are one These are conical shaped teeth used for holding & tearing the food Characteristics of canines are 1. they are long & sharp 2. they are conical & pointed 3. they are used for biting & cutting 4. They have single root Which of the lower jaw are the smaller permanent teeth Next to the Canines are These are ------ no of premolars in all It helps in grinding & chewing food The board humming surface of the premolars are called The premolars are also called The bone upper molar has ------ root are rest ----- roots These are ------- no of molars on either side of the similar on each jaw following 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 stage As on the last molar develops at the age of maturity it is called The dental formula of an adult to teeth is The part of the tooth which remain exposed above the gum is The -------- remains embedded in a cup like socket of the jaw bone The slight construction between the root & the crown is Select the proper sequence of the part a tooth What is the hardest substance in the body Enamel is composed of

incisors -2, canines -2, molars -6 3, 12 canine

1&2

molars incisors

1 &2

Incisors molars 4 molars Hills wisdom teeth 2,1 2

1&4

matured teeth

neck neck cement enamel, cement, dentine, pulp dentine calcium

48

Medium

49

Medium

50

Medium

51

Hard

52 53

Medium Hard

54

Hard

55

Medium

56

Medium

57

Hard

58

Hard

59

Medium

60

Hard

61

Hard

62

Medium

63

Easy

64 65

Hard Hard

66

Hard

67

Medium

68

Medium

69

Hard

70

Hard

71

Medium

Color of enamel is white due appear yellowish in some cases because

in some it is yellow in color

What form the bulk of the tooth Str&s of cytoplasm of the cells runs through the minute canats of What is a soft connective issues contained in the ---- of the tooth Pulp consists what consists of of very small fivers which extend through the cement & into the bone socket of the tooth What serves as the shock absorber while chewing What breaks the food into pieces which can be swallowed

enamel

What increases the surface

of digestion

Numerous ----- are found in the mucous membrane which help in digestion The largest salivary gl& located behind the ear is Which salivary gl&s lies close to the inner of the lower jaw Sublingual gl&s are found below the ------Which form the gl&s transport the secreted saliva into the mouth Which 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 increases What is a digestive juice which lubricate the food & make the small pieces stick together

enamel cement, cavity blood capillaries ligament cement biting mouth & teeth ligament sublingual gl& parotid wind pipe salivary amylase

1&3

enzyme

The enzyme which saliva contains is maltose Another name do salivary amylase is maltose what acts on the stomach foods & breaks ptyalin, glucose down into ------The daily output of saliva is an adult is 0.2 to 3 lt between ------- to ----------The action of saliva con for a while even digested after the food is ------------The food has to pass over the ----- in order to windpipe, stomach enter the --------composition of saliva is ; saliva is acidic fluid & calcium, salt, iron, contains -----,------,------,------ptyalin What is a of food particles stuck together food mass to facilitate swell

72

Medium

Saliva act as a ---------, by dissolving food particles to stimulate taste but

73

Medium

Boiled rice taste sweet if chewed well because

74

Medium

75

Hard

76

Medium

77

Hard

78

Hard

79

Medium

80

Medium

Swallowing food is ----- action at the beginning

reflex

81

Medium

When the food reached the back of the mouth swallowing action becomes ---------------- action

complex

82

Medium

When the food reaches the esophagus it is conducted behind by a special movement called

83

Medium

84

Medium

85

Easy

86

Medium

87

Easy

88

Easy

89

Hard

90

Hard

91

Hard

What cleans the mouth & destroy to prevent tooth decay Saliva aids is -------- -------- in the body by giving a feeling of -------- to body water Action 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 classing When the ------ closes the opening of remains only one passage for the swallowed food called What is a flap the back of the tongue What prevents the food from entirety into the windpipe

The wave of constriction caused by the circular muscles of the which pushes the food along is called The ----- is a slimy fluid secr by the gut which lubricates the food What is the tube which passes a conducts the food from the throat to the stomach Solid food passes through the gut in ----while liquid food takes ----------- seconds Digestive does not take pace in ----The ---- is an elastic bag which stretches to collect food The walls of stomach are highly --- & ------- the food, turns it into a ---- & release it in small quantities to the rest of the -------The ---- is a circular b& of muscles at the lower end of the stomach which stops solid food particles from passing through The ---------- prevents regurg taken from the duode

solute ptyalin converts starch in glucose toothpaste water shortage, thirst

1,2,4

gulled soft plate palate

contraction

relaxation saliva food pipe 6 -8; 2 -3 mouth duodenum flexible, grind, pase, body parts chime chime

92

Medium

93

Medium

94

Easy

95

Easy

96

Medium

97

Easy

98

Easy

99

Medium

100

Medium

101

Easy

102

Easy

103

Medium

104

Easy

105

Medium

106

Medium

107

Easy

108

Easy

109

Easy

110

Easy

111

Easy

112

Medium

113

Medium

The gastric gl&s in the stomach secrete gastric juice containing the enzyme------Pepsin acts proteins so it is called Pepsin breaks protein into soluble compounds called The enzyme found in children act upon the soluble milk protein in Rennin acts on milk protein ---- & converts it into insoluble An average adult's stomach can hold ------- to ----- liters of food The gastric stomach is

secreted by the lining of

The 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 pepsin The food stays in the stomach for about ----hrs & attains a pulp like form called ------The -----allows the chime to enter little by little to the small intestine

chime peptides protease protcase protease, casein 3,4 color less, highly acidic

1,2,4

4, pulp b&

When the stomach is overloaded or disturbed committing, ----- occurs because the front -------- opens & pie , sphincter, ----- is caused theory the content through the peristators mouth Pylorus is an opening for Gastric juice centaurs The dimes of small intern are ----- meters in length & ---- can wide The ----- is coiled & flooded in the abdomen The small intestine has regions to sequence called What is the short folded or looped upper part of the small intestine The -------- form the liver & ----- from due pancreas pour their fluids into the duodenumqdile dust, pancnatic dust Next to the duodenum is the ----- which means empty The final stapes of digestion takes place in the The ileum secrets ---- liters of intestinal juice in adults The finger like p in the inner line of the ileum are called

esophagus into stomach HCL & pepsin 8, 3 duodenum duodenum, item, jejunum duodenum bile dust, pancreatic dust Ileum pancreas 1,2 lacteal

114

Medium

The celli contains

an artery ,a vein

115

Hard

the inner surface are provided by villa facilitates the ----- of digested food

116

Easy

The ---- serves both for digestion & absorption

117

Easy

118

Hard

119

Easy

The bile gets temporarily stored in the ---------

liver

120

Medium

tyrosine, steapsin

121

Medium

122

Hard

The color of the bile is due to the pigments The --- & --- are forward by the break down of the dead & worh out RBCs Bile contains lot of ---- to neutralize the acid content of the food received from stomach & make it ---------

123

Hard

124

Medium

125

Hard

Which digest left over starch into maltose

126

Hard

What acts on the remaining proteins & --- to produce smaller peptides & ----

127

Hard

128

Hard

129

Medium

130

Hard

131

Medium

132

Easy

133

Medium

134

Hard

The final products of the food are absorbed in the --------

large in testine

135

Medium

The following are absorbed throught the thin epithelium of the villi & reach blood cappileries 1. amino acid 2. simple sugar 3. fatty acids 4. glycerol

1&2

136

Hard

The yellowish green watery fluid produced in the liver is the common bile dust is forward by the ----- & -----

Bile salts reduce the ---- of fats &--- then The enzymes sec

the pan

The enzyme ------- converts the inactive trypsinogen to active----What acts on emulisified fats to convert them into ------- & -------The intestinal juice the ------- converts peo into amino acid In the intersinal juice, the -------- converts malose into -------The sucrase in the intestine convert sucrose into --------The Lactose converts the Lactose into ----The -------- converts ---- fats into ----- & glycerol

filtration

biliverdin hepatic, cystic

erapsin, tnjpsin bile salt, alkaline surface tension, decompose a mylopsin, trypsin, steapsin a mylopsin trypsin, polypeptides, anuno acids enterdcinase, trypsin steapsin, fatty acids, glycerol eropsin maltose, glucose glucose glucose lipase, emulisified, fatty acid

What are the first to reach the liver through the fattly acid, glycerol hepatic portal vein

The ------ & ------ are abosored tnto the lymph vessel to enter the lympatic systen & finally to the blood stream It takes about ---- hrs to enter the large intestine The completely digested food in ilenm is called ---- amino acid It is a physiological procen by which various substances pan across layer of cells ito the internal environment of the body

137

Hard

138

Easy

139

Hard

140

Medium

141

Easy

The large intestine is about ------- meters long

142

Easy

The parts of large intestine are

143

Medium

144

Medium

145

Medium

146

Hard

147

Easy

148

Medium

149

Easy

150

Easy

151 152

Easy Easy

153

Easy

154

Medium

155

Medium

156

Medium

157

Easy

158

Easy

159

Easy

160

Hard

amino acids, glucose 3 amino acids ingestion 2 caecum, colon, rectum

The --- is a blind pouch situated at the junction colon of the small & large intestine There is a narrow worm like structure at the vermifom appendix clind end on the caecum is Which is the vestigial organ in human pancreas The ---- in the colon digest part of the fibre to virus, fattly acids form ----- which the colon can absord The ----- absorbs much of the water from the caecum undigested residues Which salts are absorbed in the & returned to caecum liver by blood circulation The material passing intot the large intestine are :- 1. water with undigested matter 2. cellulose & roughape 3. mucus 4. dead cells from the almentary canal The final region of the alimentary canal ends up at The semi solid digested which is The act of expelling feaces is The feaces constists : 1. water, dead bacteria 2. fat 3. protein 4. rough Conversion of the absorbed digested food into body material is Digestive food & absorbed food in wa through Simple sugar is Digested food which is carried to the liver are

1& 2

ileum urine agestion 1&4 conversion hepatic portal glucose, fructose, galactose simple sugar, amino acid

The absorbed food are carried to me liver ny hepatic the ---- vein The -------- can the excess glucose or excess glactose simple sugar into ---------The glucose is needed in the body energy, respiration, of ---------- in cellular ------- & in the ---------synthenis of certain compound

161

Easy

162

Medium

The ----- serve as building block of protein Excess amino acids are broken down in the ----- by a process called-------The process in which nitrogen containing amino groupis remarked & converted into urea for excretion & the removing part from glucose to utilisation Which is the largest gl& in the body The ---- lies beneath the diaphragm & partly overlaps the stomach Blood flow in the liver is over ----- per minute Body's main metabolic center is In the liver all the function asre carried out by only one type of cell The converts blue green color of fehing's solution to ---------

fattly acids pancreas, fermentation

163

Easy

deposition

164

Hard

165

Hard

166 167

Easy Easy

168

Hard

169

Hard

170

Hard

The constit of food is -------- if the & result of fest shows whote to yellow, yelllow to orange clour after adding ammonium hyroxide

171

Hard

The constituant turns blue black after adding iodine solution indicates the presence

amino acids

172

Hard

If ash does not burn after continnd heating it indicates

presence of mineral substance

pancreas pancreas 1/2 lt. colon epithetial cell red

amino acids

Topic: Digestive System Option 2

3

4

Right Option

Answer

Transpiration

Nutrition

Digestion

4

Digestion

Soluble, absorb tale

Glucose, energy

None

Chemicals

Enzymes

All

3

Enzymes

B&C

A&B

C&D

2

It acts only on sub

None

3

35 n 40 degree

4

alimentary canal & digestive gl&s

30dgree & 40 degree35dgree & 40 degree

mouth & stomach alimentary canal &alimentary intestine canal & digestive gl&s digestive gl&s

alimentary canal

none

2

digestive gl&s

9 meters ackus or reaction

12 meters acidity or alkalinity

none None

2 3

9 meters acidity or alkalinity

eating slowly

Enzymes

PH

3

Enzymes

upper- lower lips

teeth, lips

none

2

upper- lower lips

speaking

sipping

all

4

all

lips

tongue

none

3

tongue

nail

bone

None

deciduous

the codent

diphyodont

3

the codent

deciduous

the codent

diphyodont

1

heterodont

diphyodont

the codent

None

2

diphyodont

4

all

3

foetus is 2 months old

3

20

temporary child is 6-8 months old

deciduous all foetus is 2 months foetus is 41/2 months old old

growth

gumming

teething

15

20

none

4yrs

6yrs

None

incisors -4, canines -4 molars -2

`

none

3

incisors -4, canines -2, molars -4;

5,12

6,12

None

1

3, 12

Incisors

molaus

premolars

2

Incisors

1&4

all except 3

all except 4

D

all except 4

canines

prenuman

none

B

canines

molars

canines

pxmolars

C

canines

4

all except 4

all except 3

4

all except 3

canines

pxmolard

none

1

Incisors

premolars 8 premolars

incisors canines canines

none none none

2 2 2

premolars 8 premolars

drug

humps

cusps

4

cusps

hills

cusps

1,2

1,1

none

1

2,1

3

4

6

2

3

2&3

3&4

all

4

all

hererodent

wisdom tooth

none

3

wisdom tooth

none

3 1

4

crown

root

None

2

crown

root

dentine

None

2

root

neck

both

2

neck

enamel, dentine, cement, pulp enamel phosphorus

cement, enamel, dentine, pulp bone water

None

2

none all

2 4

enamel, dentine, vement, pulp enamel all

enamel is transparent & yellow dentine below shows through

both

none

2

enamel is transparent & yellow dentine below shows through

dentine

cement

pulp

2

dentine

cement

dentine

none

3

dentine

dentine, pulp cavity

pulp, dentine

pulp, pulp cavity

4

pulp, pulp cavity

lympherssels tissues

nerve fibers periodontal ligament periodontal ligament

all periodontal tissues

4 3

all periodontal ligament

premolars

3

periodontal ligament

cutting

chewing

churning

3

chewing

tongue

churning

chewing

4

chewing

Chemicals

salivary gl&s

bolus

3

salivary gl&s

parotid gl&

sub

none

2

parotid gl&

sublingual

subm&ibular

none

3

subm&ibular

food pipe

upper jaw

tongue

4

tongue

diet

both

none

1

1&4

all except 2

all except 4

3

all except 2

saliva

amylase

none

2

saliva

bolus bolus

ptyalin ptyalin

none none

3 3

ptyalin ptyalin

ptyalin, stomach

glucose, maltose

ptyalin, maltose

4

ptyalin, maltose

0.5 to 2 lt

0.1 to 2 lt

none

2

0.5 to 2 lt

chewed

broken down into pieces

swallowed

4

swallowed

throat, gullet

windpipe, gullet

food pipe to gullet

3

windpipe, gullet

none

2

water, salt, mucus, ptyalin

none

3

bolus

jaw bones

water, salt, mucus, water, iron, ptyalin, ptyalin Salivary food

bolus

solvent

Enzymes

none

2

solvent

ptyalin converts glucose into

ptyalin converts starch into Maltose

none

4

none

medicine

saliva

None

3

saliva

water balance, thirst

water imbalance, thirst

none

2

water balance, thirst

1,3,4

all

none

2

1,3,4

pha

esophagus

both 1 & 3

4

both 1 & 3

palate

harynx

epiglottis

4

epiglottis

epiglottis

both

none

2

epiglottis

automate

complex

voluntary

4

voluntary

reflex

voluntary

none

2

reflex

relaxation

peristaltic

none

3

peristaltic

constriction

peristalsis

none

3

peristalsis

pus

Mucus

none

3

Mucus

windpipe

esophagus

none

3

esophagus

6 - 8;3 - 4

5-6;3-4

5-6;2-3

1

6 -8; 2 -3

food pipe

gut

none

3

gut

intestine

pancreas

stomach

4

stomach

muscular, churn, liquid, almentary canal

muscualr, grind, liquid, body parts

muscular, churn, pase, alimentary canal

4

muscular, churn, pase, alimentary canal

pyloric sphincter

casein

none

2

pyloric sphincter

casein

pyloric sphincter

None

3

pyloric sphincter

casesinogm

pepsin

4

pepsin

protease

both

None

2

protease

peptides

chime

none

2

peptides

rennin

caseinogens

casein

1

protcase

protease, caseinogens

caseinogens, casein

casein, caseinogens

3

caseinogens, casein

2.3

1,2

4,5

2

2.3

contain water

contain hydrochloric acid & pepsin

all

4

all

1,3,4

all

3,pulp

3, chime

none

3

3, chime

pyloric sphincters

cavity

none

2

pyloric sphincters

vomiting, pylorus sphincter, ontiperistalsis

olycenty, peplum valve, backflow

none

2

vomiting, pylorus sphincter, ontiperistalsis

mouth cavity into esophagus

stomach into intestine

Intestine into rectum

3

stomach into intestine

pepsin & tyrosine

tyrosine & HCL

amylopsin & pepsin

1

HCL & pepsin

7, 3

7, 2.5

8, 2.5

3

7, 2.5

vile duodenum, jejunum, ileum

small infesting duodenum, jejunum, villa

none

3

none

2

small infesting duodenum, jejunum, ileum

jejunum

ileum

none

1

duodenum

bile dust, biliverdin

bilirubin , pancake dust

1

bile dust, pancreatic dust

jejunum

pancreas

none

1

jejunum

jejunum

ileum

none

3

ileum

2,3

3,4

2,4

2

2,3

legume

villa

none

3

villa

bilirubin, biliverdin

1

inter connective blood capelins

lacteal

all

far

absorption

none

bilirubin

bile

enter peptic, end peptic

end peptic, hepatic

beliverdin, belirubin

stomach into intestine erepsin, lipax

bilirubin, biliverdin

erapsin, biliverdin

pancreas

sodium bicarbonate, both alkaline surface area, surface tension, emulsifiers emulsifies a mylopsin, lipase trypsin invertase, invertase lipase tnpsin lipase steapsin, trypsin, trypsinogen emulsidied fat, trypsin (active) glycerol enterokinase, enterokinase, maltose amino acid proteiun peotites, steapsin, fatty aminoacids acids, glucose

4

all

none

3

bile

none

1

hepatic, cystic

gall bladder

4

gall bladder

none

2

beliverdin, belirubin

none

2

bilirubin, biliverdin

none

3

both

none

2

None

1

none

1

none

1

trypsin, polypeptides, anuno acids

none

1

enterdcinase, trypsin

none

1

steapsin, fatty acids, glycerol

surface area, emulsifiers a mylopsin, trypsin, steapsin a mylopsin

maltase

sucrase

lactose

1

eropsin

maltose, galactose

lactase, glucese

none

1

maltose, glucose

fructose

both

none

1

both

galactose

both

none

3

both

none

1

lipase, emulisified, fatty acid

maltose, emulsifies, erapsin, eamlsified, amino acid fatty acid small in testine

pancreas

none

2

small in testine

3&4

all

none

1

1. amino acid 2. simple sugar

fally acid, amino acid

fattly acid, simple sugar

amino acid & simple sugar

4

amino acid & simple sugar

fatty acid, glycerol

both 1 & 2

none

4

2 yrs

none

2

4

glycerol

glucose

chyle

4

chyle

disgestion

absorption

ejecktion

3

absorption

3

4

none

2

3

colon, caecum, rectum

duoderum, jejunum,ilenm

none

1

caecum, colon, rectum

caecum

rectum

none

2

caecum

none

1

vermifom appendix

appendix

none

3

appendix

bacteria, fattly acid

none

3

bacteria, fattly acid

colon

rectum

none

2

colon

colon

rectum

none

2

colon

3& 4

1& 4

all

4

all

caecum

anus

bowels

3

anus

feaces deflection

stool both

both 1 & 3 none

4 3

both 1 & 3 both

2& 4

3&4

all

4

all

assumilation

absoption

none

2

both 1 & 2

2

none

1

glucose, fructose, galactose

none

3

all

hepatic portal

4

hepatic portal

rectum colon bacteria animo acids

pancreas

glucose fructose, maltose

deanummation system glucose, surcose, maltose

vitamins, minerals

all

bylupatic system

portal glycerol

glucose

none

3

glucose

food, organism, assimila

energy, organism, assimilation

none

1

energy, respiration, synthenis

glycerol liver, deaminatain

amino acids pancreas, deamination

none

3

amino acids

liver, fermentation

2

liver, deaminatain

conversion

deamiration

none

4

none

large intestine

liver

small intestine

3

liver

appendix

liver

colon

3

liver

a liter heart

2 liters pancreas

none liver

2 4

a liter liver

ri

plasma

liver cell

4

liver cell

yellow

deeep red

deep brick red

4

deep brick red

proteins

fats

none

2

proteins

starch

glucose

none

2

starch

fat cunstance

presence of fatty acids

none

1

presence of mineral substance

Skill

Difficulty Level Easy Medium Hard Option 1 2 3 4

Topic: Eco System Option

Board: ICSE Sl.N Diff.Lev o el

Question A functionally independent unit of nature where living organism interact among themselves and with their physical environment What is primary need of all organism The general interrelationship between the plant like and animal life irrespective of the physical feature where they survive is

1

Medium

2

Easy

3

Easy

4

Easy

Pools and puddles are not ecosystems as

5

Easy

Pond 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 pond

6

Easy

7

Easy

8

Easy

9

Easy

10

Easy

11

Easy

12

Easy

13

Easy

14

Easy

15

Easy

16

Easy

17

Easy

18

Easy

19

Easy

Plants produce their own food through photosynthesis and hence are A wmals which directly eat the plant directly consumes their parts are called Animals that feed on primary consumers are

1

2

environment

neighborhood

shelter

food

food producer

food consumes

they are temporary

they are produced by rain

1&2

2&3

food producer

autotrophy

autotrophs

herbiveres

secondary consumers

herbiveres

Animals that feed on secondary consumers flesh eaters are Secondary carnivorous which eat the primary primary carnivorous cannivores are called Plants which occur naturally in a particular plant system area are called Animals which lives naturally in a particular animal kingdom area is called Which of the following is component of eco 1&2 system 1. plants 2. animals 3. air 4. water Plants, animals and microorganism are --------living component of eco system Sunlight, air, water, are components non living of eco system Which of the following are the abiotic air component of ecosystem Which of the following are the bitic component water of ecosystem Green plants in the forest belongs to Trophic 1 level Rats, rabbits, dear directly eat the fruits, 1 seeds, flowers etc belong to tropic level

secondary carnivorous secondary carnivorous vegetarion animal life 3&4 biotic component abiotic plant plants 2 2

20

Easy

Tiger, wolf, lilzard, feed on herbivaves belong to tropic level

2

3

21

Easy

Flesh eater which cansume secondary consumers like peacoak belong to tropic level

1

2

22

Easy

Dead material eaters are called

scavergers

decomposers

23

Easy

Scavergers are

animal that feed on only dead animals

animals that feed on other animals

24

Easy

Organisms that break down the dead organic metatial are called

25

Easy

Scavergers and decomposers are called

26

Easy

Wha is the abiotic compoment which help in the production of food by photosynthesis

27

Medium

28

Hard

29

Medium

organic components secondary consumers air

provide O2 to Which of the following is not a function of air in animals & plants for ecosystem respirations Which among the following infulences the kind of body functions in plants and animals living in particular area The formost compound on the forest ecosystem

30

Medium

Which 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 soil

31

Medium

Soil is found in the water

32

Medium

Which of the following are found in the tropical rain forest

33

Easy

34

Medium

35

Easy

36

Medium

37

Medium

38

Easy

39

Medium

decomposers primary consumers water provide CO2 for phtosysthesis

water

air

water

air

1& 2

3&4

soil remain floating every green trees, bamboos frem, shrubs

soil is present are the bottom deciduosis trees, pines, oak

tropical rain forest

temperature deciduosis forest

bamboo

shrubs

rain forest

deciduosis forest

food chain

food web

food pyramid

food cycle

Generally steps in a food chain may be from

2 to 5

2 to 7

What is the only link between the organic and inorganic wter in a food chain

water

soil

Very few animals are found in In the forest at high altitudes the most like trees found are Wide varities of foor and farm is found in The fo organism in which each organism eats athe lower member and itself being eatan by its higher member in A pattern of servral entir connecting food chians in a natural community of dfferent organic is

40

Medium

what transfer inorganic chemicals into organic compound for consumption of other living things in the eco system

41

Medium

Which of the following is advantage of food web

42

Medium

Representation of decreasing numbers of individuals and their decresding body narves eash next higher leverl in food chainis

43

Medium

44

micro organism

plants

ensure better food webs provides chanee of survival alternative food of an organic food pyramid

food web

In bioman pyramid which of the following criteria is concerned

among of food cousumed in the life

no. of individuals consumed

Medium

Which of the following is danger for ecosystem:- 1. industrialization 2. climate change 3. food and water storage 4. exploitation of natural resources

1&2

3&4

45

Medium

Deer in a food cain would ocupy the positive of tertiary counsumers

46

Medium

A rat in a food chain occupies positive of

primary consumers

secondary consumers secondary consumers

Eco System Option 3

4

Right Option

Answer

scriptum

none

3

scriptum

clothes

none

2

food

both

none

3

both

all

4

all

1&4

all

4

all

heterotrophic

none

2

autotrophy

direct cannmes

primary consumers

4

primary consumers

plant

all

1

secondary consumers

tertiary consumers

all

4

all

tertiary consumers

none

3

tertiary consumers

flora

all

3

flora

fauna

all

3

fauna

1&4

all

abiotic component

1&2

4

living component, biotic component

biotic

1&2

4

non living, abiotic

animals

all

1

air

air

all

2

plants

3

4

2

2

3

4

2

2

they are produced by other overflowing virus

Skill

4

1

2

2

3

4

4

4

etrivoraons

all

3

etrivoraons

animals that feed on herbivorous

animals that feed on Carnivorus

1

animal that feed on only dead animals

both

none

2

decomposers

tritiary consumers

detritivores

4

detritivores

sunlight

none

3

sunlight

provide warmth

helps in disposal of seeds

3

provide warmth

soil

warmth

4

warmth

soil

all

3

soil 2. soil contains microorganisim 3. it is a dwelling for burrawing animals and earth warms 4. Tree, frass, bush grow in the soil

2, 3 & 4

all

3

both

none

2

conifrem trees, fir pine

all

1

conifrem forest

all

3

conifrem forest

ferms

fir

4

fir

conifrem forest

all

1

rain forest

food cycle

all

1

food chain

food web

food cluster

3

food web

2 to 8

none

1

2 to 5

plant

animals

3

plant

soil is present are the bottom every green trees, bamboos frem, shrubs

soil

none

2

plants

both

none

3

ensure better chanee of survival of an organic

food cycle

none

1

food pyramid

man of individuals consumed

all

3

man of indiciduals consumed

al except 2

all

4

all

primary comsumers

producer

3

primary comsumers

tertiary consumers

producer

1

primary consumers

level 1 2 3

right 1 2 3 4

Topic: Respirator Option

Board: ICSE

Sl.N Diff.Level o

Question

1

The chemical present of releasing energy break down glucose for carrying act life process

digesting

1

Medium

2

Medium

3

Medium

4

Medium

5

Medium

6

Medium

7

Medium

8

Medium

Animals head uses energy than plants because

animals do physical work

9

Medium

Which of the following need more heat energy

birds

10

Medium

Which energy helps to keep the body warm

chemical energy

11

Medium

People shi or clatter teeth

gain extra strength

12

Medium

Cellular activity get energy from

minerals

13

Medium

When 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 dies

1&2

14

Medium

In protein to rich

liver

15

Medium

Which of the following is the over all equation of respiration

C6H12O6+6CO2 --> 6CO2+6H2O +energy

16

Medium

What happen to the amino acids absorbed through protein digestion

broken down into glucose

17

Medium

18

Medium

19

Medium

Respiration that occurs inside the living cells, true respiration and yields energy is called Another name of cellular respiration molecular respiration the cytoplasm of the The breakdown of glucose occurs in cell The breakdown of glucose occurs with the starch help of The energy liberated in the breakdown of in the form of heat glucose molecule if energy The chemical energy generated during the ADP breaking down of glucose is

glucose is available from

Where is the glucose produced through in flesh eaters stand Accumulation of -------- gives us the feeling of fatigue Where does anaerobic respiration take place in animals and humans

as glycogen in liver folic acid blood cells

20

Easy

21

Medium

22

Hard

23

Hard

In which of the following situation anaerobic respiration does not takes place in human the product of anaerobic respiration in the muscles is Accumulation of ------- gives us the feeling of fatigue The feeling of fatigue caused due to anaerobic respiration called

swimming amino acids folic acid perspiration

The chemical formula of anaerobic respiration in animals is

C6H12O6+6CO2 --> 6CO2+6H2O + 686 k cal energy

24

Medium

25

Hard

Which of the following is the chemical equation in human of ATP

C6H12O6+6CO2 -->6CO2 6H2O +38ATP +420 + cal

26

Hard

Chemical equation of anaerobic respiration is

C6H1206 --> lactic acid +2ATP + heat energy

27

Medium

Which of the following is characteristic of anaerobic respiration

reaction can continue for long

28

Medium

Anaerobic respiration in animals differs from that in animals by

Co2 is released in plants and not in animals

29

Hard

Which of the following are the major parts of respiration

breathing, gascon transport, tissue respiration

30

Medium

31

Easy

32

Hard

33

Medium

34

Medium

35

Hard

36

Hard

37

Medium

38

Medium

39

Hard

40

Hard

41

Medium

42

Medium

The physical process in which air is taken in and forced out is The lungs absorbs --------- through blood The oxygen is connected by RBC through the body as The --------- carries oxygen in the lungs to the body The ------ carries the Co2 from the lungs

purified oxygen

Carbon dioxide in the bloods is transferred in the foam of

carbonate and hemoglobin

respiration air

nerves veins

Carbon dioxide in plasma canines as dissolved as The carrying oxygen and carbon dioxides through the capillaries is The chemical changes that occurs inside the cell to release energy is

cellular respiration

Cellular respiration occurs in the from of

glycolysis, krebs cycles

Where does glycolysis occur 1. in cytoplasm 2. outside the mitochondria 3. inside mitochondria 4. in mitochondria End product of glycolysis in animals is The HT released during respiration are removed in the mitochondria through O 2 by following

carbonates

respiration

1&2 ethanol water

43

Easy

The reparatory system comprise

nose, pharynx, larynx, trachea, lungs

44

Medium

Function of nose is:- 1. it warms air, 2. moister the air, 3. traps harmful particles, 4. smee

1&4

45

Medium

46 47

Easy Medium

48

Medium

49

Easy

50

Easy

51 52 53

Medium Easy Medium

54

Hard

55

Medium

56

Medium

57

Hard

58

Medium

59

Medium

60

Hard

61

Medium

62

Easy

63

Medium

64

Hard

65

Medium

66

Hard

67

Hard

68

Medium

Which of the following is the function of mucous in the nasal chamber The sensor cells of smell are located in The ---- is the common passage for food The pharynx leads to 1. food pine 2. wind pipe 3. trachea 4. ocps phagans The flap which guards the entire of trachea is Incomplete closure of epiglottis daubery swelling causes Adam's apple is The larynx has ----- which generates sound The ---- energy from the larynx The trachea remains partly co by the ---- in the neck Which 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 wall The ---- is channel between the trachea of the lungs The -------- of the bronchi has circular cartilaginous rings to keep then distended The bronchioles ends up in a cluster of chambers Oxygen from the air first dissolves in the fluid layer of which part The protecting inner lining of respiratory organ is farmed by What are pair of spongy and elastic organs of respiratory system No of lobes in left lungs are ----- and that of right one The left lung is smaller then the right to Which of the following act as a lubricators in the movement of the lungs The greater part of the thoracic cavity is occupied by Visceral pleura is the inner membranes lining of the -------Which of the following is the outer lining of lungs The ------- blood is pumped into the lungs through the pulmonary

moister air larynx larynx 1& 2 trachea cover vomiting larynx sound box trachea vocal chords

1&2

larynx primary bronchi alveoli trachea stratified muscles bronchi 2,3 accommodate liver muscle pharynx bronchi pleura deoxygenated, artery

The oxygenated blood is pumped acts by the lungs through What is the process of inhaling and exhaling is called

69

Medium

70

Easy

71

Medium

Which of the following are phases of respiratory cycle

inspiration, expiration, respiratory pause

72 73

Medium Medium

What is the breathing rate in adult What is the rate of breathing in an infant

11 - 15 breaths /min 20-30 breaths/ min

74

Medium

What causes increase in the breathing rate

increase in fat in blood

75

Easy

76

Medium

77

Easy

78

Hard

79

Hard

80

Medium

81 82

Medium Easy

83

Medium

84

Easy

85

Hard

86

Medium

87

Hard

88

Medium

89 90

Hard Medium

91

Hard

92

Medium

93

Easy

pulmonary vein respiration

Which of the following is the result of increase inspiration in side of thoracic cavity Combined action of ribs and diaphragm during increase in the size of inhalation causes thoracic cavity During inspiration the internal intercostals contract muscles -------During inhalation the ------- contracts, it -------rib muscles, falls form it's down shape outline The ------- allows the passage esophagus and ribs two major blood vessels When the lungs expand, the air pressure increased inside is ----The external enter coastal relaxed during inhalation The diaphragm is ------ exhalation relaxed The breathing monuments are controlled by the ------- centered located in the ----- of the breathing, brain What is the cause of stimulation of the O2 respiratory center of the brain Air breath in and out in a normal breathing is aspiratory volume called Tidal volume of normal human adult is 200ml Tidal air left out in trachea and bronchi is air space called Place where no diffusing of gases can occurs trachea is far The tidal air contained in air sacs is called air space Total capacity of complemental air is 1000ml The maximum total volume of air that can be taken in or out by the during impiration and tidal capacity expiration is called Maximum

held at any time by 2 lungs is

Which 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 bacteria

3000ml

1&2

94

Easy

95

Medium

96

Medium

Which of the symptoms may occur due to lack of oxygen Sick nests caused due to deficiency of oxygen in the tissues Which of the following is a condition when more CO2 accumulates in the blood

dizziness hypoxia hypoxia

Topic: Respiratory System Option 2

3

4

Right Option

assimilation

inhalation

respiration

4

cellular respiration

vascular respiration

transfusion

2

transpiration

diffusion

tissues respiration

4

the mitochondria

both

none

2

glucose

enzymes

none

3

in the form of chemical energy

both

none

3

ATP

enzymes

all

2

animals need to

animals need to produce mass heat energy

all

4

insects

reptiles

microorganism

1

heat energy

kinetic energy

to drive away fear oxidant of glucose

none emergency activity of to drive away danger muscular to produce extra heat vitamin all

2 4 2

3&4

1, 2 & 3

none

1

pancreas

large intestine

all

1

C3H6O3+3O2 --> 3CO2 + 3H2O + energy

2C6H12O6 + 12O2 --> 12OO2 +12H2O + energy

none

1

broken down into nitrogenous part an

both

none

3

as fat under the skin

as amino acids

as use far excretion

1

amino acid

lactic acid

all

3

skeletal muscular cells

nerve cells

all

2

weight lifting

fast running

3

lactic acid

hydrochloric acid

none

2

amino acid

lactic acid

all

3

tiredness

oxygen debt

oxygen loss

3

C3H6O3+3O2 --> 3CO2 + 3H2O + 383 K cal energy

2C6H12O6 + 12O2 --> 12Co2 +12H2O + 686 k cal energy

none

1

2C6H12O6 + 2O2--> 12CO2 + 12 H2O +76 ATP +840 Kal

2C3+ H6O3 --> 6CO2 + 3H2O +38 ATP +420 K CAL

none

1

2C6H12O6 -->lactic acid + amino acid+ 4ATP + heat

C6H12O6 -> amino acids +2ATP + heat

none

1

lactic acid has toxic effect on cells

Co2 is produced

none

1

O2 is used in respiration

heat energy is released

glucose is the ultimate product

1

breathing, gascon transport, cellular re

breathing garcon , tissue respiration, cellar respiration

breathing, tissue respiration, cellular respiration

3

gaseous transport

breathing

inhaling

3

oxygen

Co2

none

2

arterial oxygen

oxy h

none

3

tissues

arteries

none

3

arteries

tissues

none

4

bicarbonate and hemoglobin

carbanion, hemoglobin & carbonate

carbonino, hemoglobin, & bicarbonate

4

carbanions

bicarbonates

none

3

tissue respiration

breathing

all

2

tissue respiration

chemical respiration

cellular respiration

4

breakdown of glucose

break down of lactic acid

none

1

1&3

3

4

1

lactic acid

carbonic oxide

all

1

vapor

foam

none

1

nose, phonyax, trachea, bronchi, lungs

nose, phonyax, larynx, trachea, bronchi, lungs

nose, mouth, pharynx, larynx, trachea, lungs

3

1,2 & 4

2,3 &4

all

4

warm air

trap harmful particles

none

3

pharynx pharynx

nasal chamber trachea

none none

3 2

1&4

1&3

none

1

epiglottis

mucous

none

2

cough

sneeze

none

2

pharynx vocal chords vocal chords

trachea vocal chords pharynx

none none none

1 3 1

bronchi

thyroid gland

none

3

3&4

all except C

all

3

vocal chords

pharynx

bronchi

4

secondary bronchi

tertiary bronchi

bronchioles

3

tertiary bronchi

ciliated chambers

none

1

secondary bronchi

tertiary bronchi

alveoli

4

ciliated epithelium

squalors epithelium

glandular epithelium

2

lungs

larynx pharynx

none

2

3,2

2,2

none

1

accommodate gall bladder

accommodate heart

none

3

sebum

pleural fluid

none

3

larynx

lungs

bronchi

3

inner lining of lungs

trachea bronchi

outer lining of lungs

1

visceral pleura

parietal pleura

pleural membrane

3

oxygenates, vein

deoxygenated vein

deoxygenated artery

1

pulmonary artery

capillaries

none

1

inspiration

breathing

none

3

inhalation, exhalation, respiratory pause

both 1& 2

none

3

15-20 breath/min 40-50 breath/min increase in carbon dioxide content in blood

none 60 breaths/min

2 4

none

3

expiration

perspiration

breathing

1

decrease in the size of thoracic cavity

both

none

1

relax

move

none

2

diaphragm, flatters

rib muscles, broadens

none

2

diaphragm

liver

none

2

decreased

has no effect

none

2

exhalation contracts

transpiration flatters

none none

2 1

breathing, medulla oblongata

respiratory, medulla oblongata

none

3

H2O

CO2

none

3

tidal volume

vital capacity

tidal capacity

2

300ml

400ml

500ml

4

vital air space

tidal air space

dead air space

4

bronchi

both

none

3

alveolar air 2000ml

complementary air 3000ml

none 4000ml

2 3

Vitol capacity

total lung capacity

none

3

4000ml

5000ml

6000ml

4

1,2,& 4

1,2 & 3

1,3 & 4

3

12 - 18 breath/min 30-40 breaths/min increase in oxygen content in blood

unsteady vision

loss of hearing

all

4

asphyxiation

both

none

1

asphyxiation

deoxidation

none

2

Answer

Skill

respiration cellular respiration tissues respiration the mitochondria enzymes both ATP all birds heat energy emergency activity of muscular to produce extra heat oxidant of glucose 1. cells break down the protein to produce glucose 2. cells break down the fats to produce glucose liver C6H12O6+6CO2 --> 6CO2+6H2O +energy

chemical steps in respiration

1. broken down into glucose 2. broken down into nitrogenous part an as glycogen in liver lactic acid

Kinds of Respiration

skeletal muscular cells

Kinds of Respiration

Kinds of Respiration lactic acid

Kinds of Respiration

lactic acid

Respiratory system

oxygen debt

Anaerobic respiration

C6H12O6+6CO2 --> 6CO2+6H2O + 686 k cal energy

chemical steps in respiration

C6H12O6+6CO2 -->6CO2 6H O +38ATP +420 cal + 2

chemical steps in respiration

C6H1206 --> lactic acid Anaerobic respiration +2ATP + heat energy reaction can continue for long

Anaerobic respiration

Co2 is released in plants and not in animals breathing garcon , tissue respiration, cellar Parts of Respiration respiration breathing oxygen oxy h arteries none carbaminohemoglobin, & bicarbonate bicarbonates tissue respiration cellular respiration glycolysis, krebs cycles in cytoplasm, outside the mitochondria ethanol water

Respiratory system

nose, phony ax, larynx, trachea, bronchi, lungs

Respiratory Organ

1. it warms air, 2. moister the air, 3. traps harmful particles, 4. smee trap harmful particles pharynx 1. food pine 2. wind pipe epiglottis cough larynx vocal chords trachea thyroid gland 1.provide flexibility 2. allow movement distended 4. strengthen its wall bronchi tertiary bronchi alveoli alveoli ciliated epithelium lungs 2,3 accommodate heart pleural fluid lungs bronchi parietal pleura deoxygenated, artery

Respiratory system

pulmonary vein breathing 1. inspiration, expiration, respiratory pause 2. inhalation, exhalation, respiratory pause 12 - 18 breath/min 60 breaths/min increase in carbon dioxide content in blood inspiration increase in the size of thoracic cavity relax diaphragm, flatters diaphragm decreased exhalation relaxed respiratory, medulla oblongata CO2 tidal volume 500ml dead air space 1. trachea 2.bronchi alveolar air 3000ml total lung capacity 6000ml .1. it contains less oxygen and more carbon dioxide 2. it contains more water vapor 3. it is warmer

Lung capacities

all hypoxia asphyxiation