Biology
Short Description
Short question and answer of Biology...
Description
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
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