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This question paper contains 4 printed pages.
Your Roll No. ... SL No. of Ques. Paper: 6743
Unique Paper Gode 32231402
HC
Animal Physiology: Life
Sustaining Systems B.Sc. (Hons.) Zoology
Name of Paper
Name of Course
Semester :IV
Duration 3 hours Maximum Marks :75
(Write your Roll No. on the top immediately
on receipt of this question paper)
Attempt five questions in allL
Question No. 1 is compulsory.
Draw suitable well labelled diagrams wherever necessary
1. (a) Define the terms given below:
(i) Compliance
(i) Hematocrit
(iii) Stroke volume
(iv) Ultrafiltration
5 (v) Portal triad.
(b) Differentiate between:
(i) Granulocytes and Agranulocytes
(ii) PCT and DCT
(iii) Acidosis and Alkalosis
P. T. O.
2
6743 3
67413
(iv) A
uerb
ach
's a
nd
Meissn
er's
Nerv
e P
lex
us
8 (0
Write significance o
f the follow
ing:
(i) B
ico
ncav
eshape o
f erythrocytes (c)
Ex
pan
d th
e fo
llow
ing
:
) A
NP
(i)
Long refractory period in
card
iac m
uscle
(ii) G
IP
ii)
P
resence
of
sub
mu
cosal
gla
nd
s in
th
e
du
od
enu
m.
3 (ii)
GB
HP
(iv)
PC
V
2. (a)
Disc
uss
in d
eta
il th
e co
un
tercu
rren
t m
ech
an
ism
9 d
Write the location an
d function o
f the follow
ing: an
d its im
po
rtance.
(b) A
dd
a
no
te
on
th
e
pre
ssure
s responsible
for
glo
meru
lar filtra
tion
.
) P
ap
illary
mu
scle
3 (ii)
Podocytes
(ii) P
an
eth
cells
3. (a)
Wh
at
is card
iac
ou
tpu
t?E
xplain the factors
that
9 (iv)
Caro
tid b
od
ies reg
ulate th
e s
trok
e v
olu
me.
3 (b)
Co
mm
en
to
n c
oro
nary
circ
ula
tion
of th
e h
eart.
(e) S
tate
true o
r fla
se:
Disso
cia
tion
cu
rv
e sh
ifts to
th
e right
wh
en
hydrogenio
n
co
ncen
tratio
n
increases in
blo
od
.
4. (a)
Desc
ribe
the
ex
trinsic
an
d
intrin
sic pathw
ay o
f
9 (i)
blood clotting.
(b) C
omm
ento
n th
e fibrinolytic
systemn.
3
(i) A
trial systole is
follo
wed
by isovolum
etric contraction p
hase in
the card
iaccycle.
5. (a)
Discu
ss in d
etail differen
t phases of digestion.
9
(i) During
no
rmal
breathing th
e
pressu
re
betw
een
the tw
o p
leural layers (intrapleural
pressure) is sub
atmo
sph
eric.
(b)
Dra
w
a w
ell
lab
elle
d
dia
gra
m
of
oeso
ph
ag
us
sho
win
g h
istolo
gic
al d
eta
ils. 3
(V)
Ald
ostero
ne
co
nv
erts
angiotensinogen
1n
to
ang
ioten
sin I.
6.
(a)
Ex
pla
in
the
mech
an
ism
of
gas
ex
ch
an
ge
in
respiration. 6
(V) P
hrenic neves inn
ervate
the d
iaph
ragm
. (b)
Writea n
ote o
n th
e neural control of respiration. 6
(VI)
Nitric o
xid
e acts
as
a v
aso
co
nstric
tor.
P: T
. O.
6741, 7. Write short notes on any three of the following:
(a) Spirogram
(b) Structure of Liver
(c) ECG
(d) Regulation of blood pressure
(e) Juxtaglomerular apparatus. 4,4,4
1200
(1 This question paper contains 4 printed pages
Your Roll No. .. S1. No. of Ques. Paper : 6744 IIC
Unique Paper Code 32231403
Name of Paper Biochemistry of Metabolic Processes
Name of Course B.Sc. (Hons.) Zoology
Semester :IV
Duration :3 hourss
Maximum Marks :75
(Write your Roll No. on the top immediately on receipt of this question paper)
Attempt five questions in all.
Question No. 1 is compulsory.
Structures to be given in all pathways.
1. (a) Define:
(i) Glycogenin
(ii) Ketonemia
(ii) Amphibolic Pathway
(iv) Uricotelic Organismns
(v) Cytochromes. 1x5=5
(b) Differentiate between:
(i) Thioesterase and Thiolase
(i) Anabolism and Catabolism
(ii) Glucogenic and Ketogenic amino acid
(iv) B oxidation and w oxidation P. T. O.
2 6744
6744
2x
5 10
(v) H
ex
ok
inase a
nd
Glu
co
kin
ase.
2. (a) E
lucidate the m
ctabolic pathway
of bionynthesis
(c) Nam
e o
f Palm
itic acid. 9
(i) A
th
ree
carb
on
am
in
o
meta
bo
lized
to p
yru
vate
acid
that
is (b)
Wh
at is
the im
portance o
f Fatty A
cid Synthase
(FAS) m
ultienzyme
complex?
3
(ii) T
ransp
orter
of
Acyl
CoA
in
to
the
mito
ch
on
dria
l matrix
x
3. (a)
Giv
e a d
eta
iled
acco
un
t of ketngenesis in líver.
that
co
nv
erts
G
lyceral to
(ii)
Enzyme
Glycerol-3-P
hosphate
(h) W
hat
role
d
o dehydrogenases
play in
the
beta
3 o
xid
atio
n o
f fatty acid?
(iv) A
ny on
e ra
te lim
itingstep
in G
lycolysis.1x
4=
4
4. (a)
Describ
e th
e re
actio
ns o
f Citric
Acid
Cycle.
(b) G
ive a
brie
f acco
un
t of th
e r
ate
limiting
reactio
ns
of
glycolysis. C
alc
ula
te
the
en
erg
y
yield p
er
mo
lecu
le o
f glucose ox
idise
d.
(d) W
rite the im
portance of th
e follow
ing 4
(i) T
hiamine P
yrophosphate
(ii) A
cyl Carrie
r Pro
tein
5. (a)
Desc
ribe th
e
pro
cess of G
lycogenolysis an
d give 9
(ii) P
yruvate Carborylase
its imp
ortan
ce.
(iv) O
xaloacetate (b)
Why
are an
imals u
nab
le to
co
mv
ert fatty a
cid
s in
to
glucose? (v)N
AD
PH.
1x
5=
5
3
(e) E
xpand the follow
ing: 6
. (a) E
xplain th
e O
xid
ativ
e
phase o
f P
en
tose
Phosphate pathw
ay.(i)
FA
D
(i) Tyr
or
(ii) P
DH
(b)
Men
tion
th
e im
po
rtance
of
inh
ibito
rs
6
un
co
up
lers o
f Electro
n T
ran
spo
rt Ch
ain
.
(iv)
PL
P
(v)
DH
AP
7.
Write s
ho
rt no
tes o
n th
e follow
ing: (Any th
ree)
(vi)
AM
P
1/2
x6
=3
(a)
Glu
con
eog
enesis
P.T.O
.
4 6744
(b) Glycerol Phosphate Shuttle
(c) Chemiosmotic Hypothesis
(e) Role of Carnitin. 4x3=122
1200
SET-A
Sr. No. of question paper S843 Roll No.
Unique paper code :223403
Name of the paper BIOCHEMISTRY
Name of the course B.Sc. (HONS.) ZOOLOGY
Semester :IV
Maximum Marks :75
Time :3 Hours
(Write your Roll No. on the top immediately on receipt of this question paper.)
This paper contains seven questions.
Answer five questions in all.
Question No.l is compulsory.
Write structural formulae where specified.
Q.1.(a) Define the foliowing: 4)
() Holoenzyme (ii) Zwitter ion
Gii) Ketosis Oxidate phs«plasuate iv) Allosteric site
b) Differentiate between the following: (10) ) Glucokinase and hexokinase
(i) Transamination and deamination
(iii) Ketogenic and gBucogenic amino acids
(iv) Glycosidic and peptide bond
(v) Starch and Cellulose
(c) Give the structure of the following:
(1) AC-16 saturated fatty acid ) A 3C amino acid which is the precursor in gluconeogenesis
(4)
(ii) A disachharide composed of glucose and fructose
iv) A dicarboxylic intermediate of TCA cycle
(d) Expand the following: 3) ) DHAP
(i) FAD
(i) PDH
(iv) FMN
(v) c-AMP
(vi) TPP
(e) Give the major contribution of the following scientists: (2) ) Hans Krebs
i) Luis Leloir
(Fill in the blanks (4)
(i) Name the enzyme which catalyzes the conversion of:
Glycogen Glucose-1-Phosphate. Gi) Glucose 6-phosphatase is _in the muscle. ii) Pyridoxal phosphate is a carrier of an group. (iv) is the primer required during glycogen synthesis.
.2. (a) Elucidate the Michaelis-Menten kinetics for a one enzyme-one substrate rea 3)
(6) Explain the function of transaminases in the catabolism of amino aciu Support your answer with suitable example. (4)
Q3. (a) Explain the -oxidation pathway of palmitic acid. (6)
( Discuss the Embden Meyerhof pathway for carbohydrate lism. (6)
Q.4.(a) Enumerate various fates of glucose in the living system. (5)
6) Describe secondary and tertiary structures of the proteins. O ent-
upon the factors involved in stabilizing these structures. (7)
Q.5. (a) With the help of structural formulae, Describe the citric acid cycle use. structural.
formulae). How is it regulated in the body (7) (b) Comment upon the statement, "Gluconeogenesis is not a reversal of glycolysis",
Support your answer with suitable chemical reactions (5)
Q6. (a) Describe the urea cycle, represent chemical reactions with structures and
enzymes only. (9) (b) Briefly explain the malate-aspartate shuttle. 3)
Q.7. Write short notes on any three of the following: (3X4 12)
() Cori cyole
(i) Allosteric inhibition (i) Ketogenesis iv) Glycogenolysis