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12
[This question paper contains 4 printed pages] Your Roll No.
S1. No. of Q. Paper 2285 IC
Unique Paper Code :32231401
Name of the Course B.Sc. (Hons.) Zoology
Name of the Paper :Comparative Anatomy of Vertebrates
Semester :IV
Time: 3 Hourss Macimum Marks: 75
Instructions for Candidates
(a) Write your Roll No. on the top immediately
on receipt of this question paper.
(b) Attempt five questions in all.
(c) Question No. 1 is compulsory.
1. (a) Define the following terms: 5
(i) Zygodactyly (ii) Iter
(iii) Opisthonephros (iv) Plastron
(vSynsacrum P.T.O.
22
85
2
28
5
a D
ifferentiate between
the follow
ing te
rms 10
2
. W
ith th
e help o
f neat diagram
, discu
ss in d
etail
(i T
rue h
orn
s a
nd
an
tlers
th
e ev
olu
tion
of ao
rtic arc
hes in
verteb
rates. 12
(ii) M
onocondylic an
d dicondylic sk
ull
3.
Describ
e the ev
olu
tion
of m
ale and
female
(iii) Ex
ternal a
nd
inte
rnal glom
eruli urinogenital sy
stem in
amn
iotes.
12
(iv) Plantigrade a
nd
digitigrade
(v) Spinal a
nd
cra
nia
l n
erv
es
(c) S
tate
ex
act lo
cation
an
d fu
nctio
n o
f the
4.
Desc
ribe s
tructu
re a
nd
wo
rkin
go
f resp
irato
ry
followingg: 8
org
an
s in
fishes.
12
(i) P
reen g
lan
ds
5.
(a) C
lassify
recep
tors a
nd
giv
e their fu
nctio
ns.
ii) G
ill rak
er
6 (ii) M
eibomian g
land
s
(iv) Jacob
son
's organ (b)
Explain th
e s
tru
ctu
re o
f verte
bra
te b
rain
(d) State w
heth
er
follo
win
g sta
tem
en
ts are
w
ith la
belle
d d
iag
ram
. 6
True/False
4
(4) Larynx is th
e vo
ice bo
x o
f bird
s. 6
. (a)
Co
mp
are
the d
igestiv
e tracts o
f rep
tiles,
(11) Placoid scales a
re epiderm
al deriv
atives.
bird
s a
nd
mam
mals.
111) Sebacous
gla
nd
s o
f mam
mals l
(b) D
esc
ribe th
e ty
pes o
f Cen
trum
in v
erte
- apocrine.
brates.
6 1v
Reissner's m
emb
rane
is n
ot n
rese
nt
u
the mam
malian
ear. 3
P.T
.O.
2
2285
7. Write short notes on any three:
(a) Types of feathers
(b Jaw suspensorium in vertebrates
(c) Scales in fishes
(d) Dentition
(e) Cranial nerves in mammals
3x=12
(13
IThis question paper contains 4 printed pages]
Your Roll No. 219 S1. No. of Q. Paper : 2286 IC
Unique Paper Code 32231402
Name of the Course B.Sc. (Hons.) Zoology
: Animal Physiology Life
Sustaining Systems Name of the Paper
Semester :IV
Time 3 Hours Maximum Marks: 75
Instructions for Candidates: (a) Write your Roll No. on the top immediatel
on receipt of this question paper
(b) Attempt five questions ir
(c) Question No.1 is compulsory.
(d) Draw diagrams wheree e
1. (a) Define the following term 5 () Haustral churning
(ii) Herring-Breuer reflex
(ii) Plasminolysis (iv Ectopic focus
(v Antiporter
P.T.O.
22
86
2286 b) D
ifferentiate between
(i) M
etabolic an
d R
espiratory acidosis (ii)
Isovolumetric v
entricu
lar systole an
d
diasto
le
10
ii) K
cells
(iv) S
eptal cells
(v) C
ryp
ts of L
ieb
erk
üh
n
( G
ive r
easo
ns (any tw
o) 2
(iii) Micelles a
nd
chylomicrons
(i) F
acultative reabsorption of w
ate
r occu
rs
on
ly in
DC
T.
(iv) B
oh
r an
d H
ald
an
e e
ffect
(ii) A
physiological condition that le
ad
s to
impaired absorption of V
itamin
B,
ii) Th
e intrapleural
pressu
re is alw
ays subatm
ospheric.
(v) C
oagulating an
d anti-coagulating factors
(c) Expand the follow
ing: 2
(i) A
NP
ii) JG
A
(iii) ESV
v 2
. (a)
Ho
w is
th
e
blo
od
p
ressu
re reg
ulated
? 7 E
xplain. (iv)
EP
O
5 (d) G
ive o
ne w
ord
for th
e follow
ing: (b}
Desc
ribe th
e blood clotting pathw
ays. i
Th
e
clo
tting
fa
cto
r re
sp
on
sib
le
for
platelet aggregation. 3
. (a)
Dra
w a
nd
explain portal triad. Briefly d
iscu
ss th
e fu
nctio
ns o
f the liv
er. 8
1i)
Th
e
ph
ysio
log
ical
co
nd
ition
w
hen
arterial pCO
, is le
ss th
an
40
mm
Hg
. (1i1) Io
n th
at
mo
ve
from
th
e p
eritub
ular
cap
illarie
s in to
the tu
bu
lar lu
men
.
(b) D
esc
ribe h
ow
HC
l is form
ed in
the sto
mach
?
4 (a)
Dra
w th
e d
eta
iled
stru
ctu
re o
f a nephron. 3 (v
) Th
e c
ells se
cre
ting
lyso
zy
me in
the sm
all
intestin
e. (b)
Desc
ribe th
e v
ario
us m
echanisms o
f tub
ula
r
absorption an
d tu
bu
lar se
cre
tion
in P
CT
. 7
(e) G
ive the locatio
n an
d fu
nctio
n (an
y fo
ur) :
4 (c)
Why glom
erular capillary pre
ssure
is higher
than
the p
ressu
re in
no
rmal b
loo
d cap
illaries ? 2 i)
Chordae ten
din
eae (ii)
Podocytes P
.T.O
. 3
2
2286
5. (a) Define pulmonary ventilation. Discuss the various factors affecting it. 6
(b) Elucidate the changes in partial pressures of oxygen and carbon dioxide during external and internal respiration. 6
6. (a) Define cardiac output. Add a note on the factors that regulate stroke volume. 6
(b) Discuss the unique features of action potential and contraction of cardiac muscle fibers. 6
7. Write short notes on any three of the following: 3x4-12
() Absorption of carbohydrates in the small intestine.
(i) ECG
(iii) Countercurrent exchange mechanism (iv) Coronary circulation (v Pulmonary volumes and capacities.
A 1200
14 [This question paper contains 4 printed pages Your Roll No. 201 SI. No. of Q. Paper 2287 IC
Unique Paper Code 32231403
Name of the Course B.Sc. (Hons.) Zoology
:Biochemistry of Metabolic Processes
Name of the Paper
Semester :IV
Time: 3 Hourss Maximum Marks: 75 Instructions for Candidates:
(a) Write your Roll No. on the top immediately on receipt of this question paper.
(b) Attempt five questions in all.
(c) Question N0.1 is compulsory. (d) Attempt all parts of a question together.
1. (i) Define the following 5
(a) Reducing Equivalent (b) Phophorylation (c) Amphibolic Pathway (d) Protein Motive Force (e) Ketosis
P.T.O
22
87
2
28
7
8 (ii)
Dif
feren
tiate
b
etw
een
:
(a) B
isp
ho
sp
hate
an
d d
iph
osp
hate
(b) U
reo
telic
an
d U
reco
telic
Org
anism
(c) G
lyco
gen
esis an
d G
lyco
gen
oly
sis
(vi) F
ill in th
e b
lank
s 3
(a) ... 1
s an
acyl group carrier
that
transports fatty acid
s into and
o
ut o
f m
itochondrial matrix.
(b) T
he Pyruvate dehydrogenase com
plex .
nu
mb
er of coenzym
es. (c)
Th
e three carb
on
un
it produced at th
e
end
of Oxidation of o
dd
chain
fatty acids
(d) A
nab
olis
m a
nd
Cata
bo
lism
h
as
(ii) Nam
e th
e e
nzy
me re
spo
nsib
le fo
r following
ch
em
icals
reactio
n
(with
stru
ctu
ral
formulae)
1S (a)
Glu
tam
ine
to G
luta
mate
2.
(a) D
escribe the th
ree thermodynam
icb
arrie
rs (b)
Succinyl C
oA
to S
uccin
ate
o
f glycolysis th
at n
eed
to
be o
verco
me by
diffe
ren
t en
zy
mes
an
d
reactio
nS
in
guconeogenesis.
(c) A
lan
ine to
Py
ruv
ate
(d) L
acta
te to
py
ruv
ate
8
(iv) Expand the following:
3 (b)
Desc
ribe th
e M
ala
te -A
spartate shu
ttle.
4 (a)
EM
P
(b
N
AD
PH
(c) D
HA
P
3.
(a) G
ive d
eta
iled
pathway o
f Tricarboxylic a
cid
cycle along with
th
e stru
ctu
ral fo
rmu
lae. H
ow
man
y A
TP
s are produced
per cycle ?
(d)
PE
P
8 (e)
LDH
H
(b) D
esc
ribe coupled re
actio
ns using
su
itab
le
examples.
( A
ST
4
(v) G
ive s
tructu
ral fo
rmu
lae for follow
ing (a)
A C
-18
satu
rate
d fa
tty a
cid
(b) O
xaloacetate 4
. (a)
Describ
e
Urea cy
cle in
d
eta
il cle
arly
ind
icatin
g w
hic
h reactio
ns ta
ke p
lace in
8 (c)
Fru
ctose 1
,6 B
isphosphate m
itoch
on
dria
an
d in
cytosol. 4
(d) O
rnithine (b)
Describ
e o
xid
ativ
e d
eam
inatio
n.
P.T.O
2
3
2287
Describe the sequence of reactions
involved
when one molecule of C-16 fatty acid is to be
oxidized. Add a note on energetic involved. 12
5.
6. (a) Discuss the various components of
mitochondrial respiratory chain.
of
8
b) Discuss the activation and transport of fatty
acid across the mitochondria during 4
B-Oxidation.
7. Write short notes on any three of the following: 4x3
(a) Glycogenesis
(b) Cori cycle
(c) Pentose Phosphate Pathway
(d) Inhibitors and Uncouplers of ETC
(e) Carnitine Shuttle
4 1200