*w-T-*
m
No. :
qco
Test Booklet Code
7 h ~ t3ookIl.l s I ontalns 40 pages q g C m? 40 pPa I D o n o t o p e n t h i s l'est Booklet until you are a s k e d to do so.
s
L'
~*wgfiim;rdmm?*ma;~;~~ql Read carefully t h e I n s t r u c t i o ~ ~ort s t h e Back Cover of this 'Test 13ooklet.
~ * w ~ & M m f ~ ~ r T m r n T ~ d ~ E r m @ ~ I Important Ins trzrctio~is: ]-f?iiST: 1 1 T11e Answer S11eet is inside this Test Booklet. When you are directed to open the Test Booklet, take out the Answer Sheet a n d fill in the particulars on side-1 and side-2 carefully with bluelblack ball point pen only. 2. The test is of 3 hours duration and Test Booklet contains
180 questions. Each question carries 4 marks. For each
correct response, the candidate will get 4 marks. For
each incorrect response, one mark will be deducted
froin the total scores. The maximuln marks are 720.
3. Use Blue/Black Ball Point Pen only for writing
particulars on this page/markjng responses.
4. Rough work is to be done on the space provided for 4, +w 3 rnQ I
this purpose in the Test Booklet only.
5. O n completion of the test, the candidate must 5 * w ~ * w , * W $ ~ V / &W8'3$3m handove; the Answer Sheet to the invigilator before W Bq & I 4 ~& $wa leaving the Room/Hall. The candidates are allowed
to take away this Test Booklet with them.
L TL- rnnE F n r jc +nk!?t i s R M a k e
same as that on this Booklet In case of discrepancy,
the canaidate sl~ouldimmediately report the inatter to
the Inviglator for replacement of both the Test Booklet
and the Answer Sheet.
7. The candidates should ensure that the Answer Sheet is
not folded. Do not make any s t ~ a ymarks on the Answer
Sheet. Do not write your roll no. anywl~ereelse except
in the specified space in the Test Booklet/Answer
Sheet.
8. m m r n M m % t r e ~ - $ g ~ ~ ~ 8. Use of white fluid for correction is NOT permissible on
*qJm%!3$l
the Answer Sheet. 1
fim
I
w@x
I
r
L l L
I
Cuu^^-^
&ai
In case of a n y ambiguity in translation of any question, English version shall be treated as final.
a v i f t am3M-*rn3,
F ~ I . W ~ FRAM' F.
Name of the candidate (in Capitals) :
4 w 4 m m ( d W d 4 ):
~ o lNumber l
m
mm*$Jifmrm;rr*l
- ~I L ( 43 6 54
: in figures
:&3 : in words
A\ry
: m 3
Cat
k'~9y.Qflt 1
0
hI?-hit+ ~ J-tlb~>rqqd
.wtnn'\tf ,YuV?
4 w 4% t r q : Fascimile sigiiature stamp of Centre Supesintendent :
f'uj?
Centre of Examination (in Capitals) :
4wch-r;(ddd3)
: Cai-tdidate's Signature :
--
Invigilator's Signature :
B
2 Read the different components from (a) to (d) in the list given below and tell the correct order of the coinponeriis with reference to their arrangement from outer side to Inner side in a woody dicot stein :
1.
(a) Secondary cortex (b)
Wood
(c)
Secondary phloem
(d)
Plielleni
The correct order is :
2.
Clironiatophores take part in :
3.
(1)
Photosynthesis
(2)
Growth
(3)
Movement
(4)
Respiration
Which of the following joints would allow no movement ? (1) Fibrous joint
4.
(L)
Lartilaginous joint
(3)
Synovial joint
(4)
Ball and Socket joint
The wheat grain has an embryo with one large, sliield-shaped cotyledon known as :
5.
(1)
Epiblast
(2)
Coleorrhiz,a
(3)
Scutellum
(4)
Coleoptile
A gene showing codominance has :
*
6:
(1) one allele dominant on the other (2) alleles tightly linked on the same chromosome (3)
alleles that are recessive to each other
(4)
both alleles independently expressed in the
heterozygote
Whicli of the following structures is not found in a
prokaryotic cell ?
(1)
Nuclear envelope
(2)
Ribosome
(3)
Mesosoine
(4)
Plasma membrane
SCO
SCO 7.
The term "linkage" was coined by : (1)
T.H.Morgan
(2)
T Boveri
(3)
G. Mendel
(4)
W.Sutton
The imperfect fungi whicl~are decomposess of litter and help in mineral cycling belong to :
8.
(1) .
Deuteromycetes
,
'
9.
(2)
'
.
(3)
Phycomycetes
(4)
Ascon~ycetes
Match the c o l u l ~ ~and n s identify t11e correct option. (a)
(b) (c)
(2)
10.
i
11.
@mdit%m$3tfim&m ~md?,bmma*?
Basidiomycetes
Column I
I
8.
Column I1
Thylakoicls Cristae
(ii)
Cisternae .I
,,I$
I-
LIZ
(a)
(a)
(b)
(4
(4
(1)
(iv)
(iii)
(i)
(ii)
(2)
(ii~) (iv)
(i)
(ii)
(3) (4)
(iii) (iii)
(iv) (ii)
(ii) (i)
~IlYc4lchl$G ?
,
<;-,
1
6)
I
Flat membranous sacs in stroma
(b)
ftf2a
(c)
M
;;j
/
-
(4 " (iiij
>
Wl+ilC-I-
(a)
(1)
(iv) , (iii)
* M~~FF~;~ * 11
" "
I
(i) (iv)
*I
ill
Condensed structure of DNA
(iii)
rl...~.-..':-I
Disc-shaped sacs Golgi apparatus
(i)
\+v)
(b) (iii) (iy)
(c) (i) (i)
D N A % T ~ ~ ? T ~ F
*-;rm?fi*& ~ l $ l i c h i f + i l fj 3iieCm
(4 (ii) l(ii) (ii)
(3)
(iii)
(i)
(iv)
(4)
(iii)
(iv)
(i~) (i)
(3)
"contngiuln viz~unzfluidunz" T? V.3-
Select the wrong statement . (1)
The viroids were discovered by D.J.Ivanowski
(2)
W.M. Stanley showed that viruses could be crystallized
(3)
The term 'con tngiul~zvivtrllz fluidunz' was coined by M. W. Beijerinek
(4)
Mosaic disease in tobacco and AIDS in human being are caused by viruses
During biological nitrogen fixation, inactivation of nitrogenase by oxygen poisoning is prevented by : (1)
Legluemoglobin
(2)
Xanthophyll
(3)
Carotene
(4)
Cytochrome
faf?h?rn~l (4)
~+3f&Tifitm*~3y.*w. fhi-y4&rn&il*l
11.
6--175'
~f@Tf+m&*3TTFRjh;l%rn-51~~ ~ ~ T I f % % 5 - T W T ~ ~
12. The species confined to a particular region and not
found elsewhere is termed as : (1)
Keystone
(2)
Alien
(3)
Endemic
(4)
Rare
Which one of the following hormones is not involved in sugal-i^netabolism? (1) Cortisone (2)
Aldosterone
(3)
Insulin
(4)
Glucagon
. .
.
.
14. Which of the following is not a function of the skeletal system ?
(1) Production of erythrocytes (2)
Storage of minerals
(3)
Production of body heal
(4)
Locomotion
25. Which one of the following is not applicable to ~
X
T
111 v n
A I
:
(1) Complementarj~basepairing ,
(2)
'
.
5' phosphoryl and 3' hydroxyl ends
(3) Heterocycl~cnitrogenous bases (4)
Chargaff's rule
16. Which one is a wrong statement ? (1)
Archegonia are found in Brypphyta, Pteridophyta and Gymnosperms. .
(2) Mucor has biflagellate zoospores (3)
Haploid endosperm is typical feature of gymnosperms
(4) . Brown algae have chlorophyll a and c, and fucoxanthin 17. . A childless,couple can be assisted to liave a child through a technique called GIFT. ~11efullform of this technique is':
(1) Gamete i113eminated falloyian transfer (2)
Gamete intra fjllopian transfer
(3) ~amete:internalfertilization and transfer (4)
Gerin cell internal fallopian transfer
. . . .
0'
SCO
8
18.
5
The wings oi Li hirri arid.
:.I? .
iring:, iit ;in insert ate :
1 18;
(1) homologous s t r ~ t : t c ? l e s aiid r e p l e ( , e r ~ t di\cigemt-c\olutioi~
(2) analogot~s structurrs a n d coil\ ergent evolution
I
q$
gE$
&$
/-
(1)
:
~&.ii;7m~,~$3~~?,~~m?
$I
epresent
(3) phylogenetic, structures a n d reprcsf.nt
divergent evolution
7
(4)
19.
l~omologousstructures and represent convergent evolution
Golden rice is a genet~callymodified crop plant
where thc incorporated gene is meant for
blosyntliesis of :
(1) Vitamin B
(4) i 20. I
1
I .
I
I
I I
Outbreeding is an important strategy of animal
husbandry because it :
(1) /-,\
I
E
Vitamin A
helps in accumulation of superior genes. i3 u&ui
proaucu~gpurelines of aiumals.
(3)
is usefu: in overcoming inbreeding
depression.
4
exposes harmful recessive genes that are eliminated by selection.
i 21.
1 1
j I
\.Vhich one of the following hormones though
s.pth9sised elsewhere,is stored and releasedhq-the
ntaster gland ?
1
Antidiuretic h o r n m e
(2)
Luteinizing hormone
(3) Prolaclin (4)
Mdanorylestimulatinghsrnaone
1
22. An association of individsads of different sp:ltjs
(I) Fxological niche
. ! %mfiw!%i~&-km8: TTftk%mffh
(2)
Biolic community
12)
3
Ecosystem
(3)
*
(4)
TwfQ
k i n g in the sarne hzbatat and having- hdiona! iteractions is :
14) Poyuldtion
22.
~ ~ W ! k E 4~%
w
&+?
?
@
B
6
SCO:
In which of the following both pairs have correct combination ?
23.
Gaseous nutrient cycle
(carbon and Nitrogen
Sedimentary nutrient cycle
s u l p h u r and Phospl~orus
Gaseous nutrient cycle
Carbon and s ~ ~ l p l ~ u r
Sedimentary nutrient cycle
Nitrogen and P l ~ o s p h o r ~ ~ s
Gaseous nutrient cycle
~ i t r o ~ and e n sulphur
Sedimentary nutrient cycle
c a r b o n and Phosphorus
Gaseous nutr~entcycle
Sulphur and Phosphc.rus
Sedimentary nutrient cycle
Carbon and Nitrogeli
1
24. Identify the correct order of organisation of genetic material from largest to smallest :
I
(1) Chromosome, gene, genome, nucleotide (2) Genome, chromosome, nucleotide, gene (3) Genome, cl~romosome,gene, nucleotide (4) Chromosome, genome, nuclecitide, gene 25. .A jawless fish, which lays eggs in fresh water and whose ammocoetes larvae after metamorphosis return to the ocean is :
26.
'
Inclustrial melanism is an example of
(1) Neo Darwinism (2) Natural selection (3) Mutation '
(4) Neo Lamarckism 27. Cell wall is absent in :
(1) Aspevgillus (2) Funnvirr (3) Mycoplasma (4) Nos toc 28. The chitinous exoskeleton of arthropods is formed
by the polymerisation of :
(1) keratin sulphate and chondroitin sulphate (2) D - glucosamine (3) N - acetyl glucosamine
(4) lipoglycans
1
5
SCO' SCO $?
'
29.
7
Filiform apparatus is characteristic feature of :
29.
,
1, 30.
1
(1)
Generative cell
(1)
(2) Nucellar embryo
(2)
(3) Aleurone cell
(3)
(4) Synergds In angiosperms, microsporogenesis megasporogenesis :
_isr and
form gametes without further divisions
(3)
Involve meiosis
(4)
occur in ovule
i7 &
31. Metagenesis refers to :
(2)
(4)
31.
(1)
34.
a I
m*
**
sffl
rm4$~ '-
&
:
*J~l
h w fim&ym&51 -3if*i
r n ~ ~ $ ' ~ s m r
*--
Occurrenceof a drastic change in form during post-embryonic development
(3)
Presence of a segmented body a n d parthenogenetic mode of reproduction
(4)
qpTWiMkef;r&*m$'I$a* Tl¶-4r3rm
32.
m $' 3 b;h-rn sm; afmw-+
* f
q;ls$'I$
(1)
Ig D
(2) Ig M
(2)
Ig M
(3) Ig A
3
(4) IgG
(4)
IgA IgG
33
-
ymTCkfi&mdmmel~ 'TJT
(1) IgD
j
i
w***&rn-Jiia;*
(3)
33. Destruction of the anterior horn cells oi the spinal cord would result in loss of :
f
M*(*)brnh*?
Alternation of generation between asexual
and sexual phases of an organism
32. Which of the following imii~unoglobulinsdoes constitute the largest percentage in human milk ?
~
~~frirnrn.mU11
(2)
(4)
+I
~
(1) v J d t + i - F j m ? l
(1) Presence of different morphic forms
3tii
~
+#
30.
(1) occur in anther (2)
-
&~-3mrn*?
+JFJFgq*w#d*@*w$*$*
) 9fi.rmRWmw&h?
(1)
sensory impulses
(1)
Ti43 ?Tf&d
(2)
voluntary motor impulses
(2)
Mhm
(3)
commissural impulses
(3)
~eTTdt? Tf+d
(4)
integrating impulses
(4)
*?dkf
The cutting of DNA at specific locations became possible with the discovery of : (1) Restriction enzymes (2)
Probes
(3) Selectable 111arkers (4)
Ligases
34
--
~.v.Y. ~ T ~ w v ?
g (2) (3) (4)
+w TT?l*
*
h fif;rtiX
*
~
SCI
8 In ilie followiiig liuiiian pedigree, the filled syinbols represent the affected iiidividuals Tden~ifytlie type of gven pedigre?
3% -
f ? q z
~114 Mqc+
4, Ijtp &gqpi?6.
mf~~~m?1Z13;?+mm?&~
(!)
(11)
(111)
(IV)
(1) (2) (3) (4)
Autosoinal domiiiant X-linked recessive Autosoma! recessive >(-!inked dominant
0.5
1
(3)
Nll
(4)
0.25
(2) (3) (4)
Cucumber China rose Onion
X-mJ;lmoTTdf
3
kt
3Tf+r@jmm
x-Trm 9w W ?$k?udlPEF; $G? T@XT
del
4
fdrnz~ar$rn*srn*?iT~d~* BI ~ ~ % ~ & m r e l ~ ~ m (1) (2)
05 1
97
v,44&A,
(4)
0.25
3 7 ~ m q q a"+ r r ? * f ?
(1)
(2)
;f+
Roots play 111significaiitrole in absorption of water in : (1) ~uiiflo~ver
(2) (3) (4)
(2)
(4)
+&L&t:+*
Flowers are unisexual in .
:1) re,
d%%q3avFi?
&
A colour blind man marr~esa woman wlth normal sight who lias no hlstory of colour blindness in her family. What is tlie probability of their grandson belng colour blind 7
(1) (2)
(I)
(3)
* m?~h
(4) Qm
9
W ~ , ~ ~ i i ~ ? ; m ' & % (1)
1
Plstln
Pea \Wheat
@@
f?f+??
(3) (4)
-4?3
+x
Balbiani rings are sites of : (1) Lipid synthesis (2) Nucleotide synthesis (3) Polysaccliaride synthesis (4) RNA a i d protein synthesis Which o i tlie following pairs is not correctly matched ? Mode of reproduction Example (I) Offset Water hyacinth Banana (2) Rhizome (3) Binary fission Snrgclssuin (4) Conidia Peizicill itlm
40.
~ - ~ ~ ~ ; - F ; ' ~ .T T T
(1)
a3n;r WV
rn
@
iTtTtm%~
6, [ SCO .
lSC0
.
I
r n 7t
41.
1
Ectopic pregnancies are referred to as (1)
Pregnancies with genetic ab~iormality.
(2)
Implantation of embryo at site other than uterus.
(3)
I~nplantationof defectiveembryo ~nthe uterus
(4)
Pregnancies terminated due to liormoiial ~mbalance.
I t
U'
[ 42.
Choose the wrong statement
b
(1)
Penicdlzz~771is multicellular and produces antibiotics
(2)
Neu~osporais used in the study of biochemical ' t i - m 3 & - 1 3 - d b +(2)? ? q genetics
(3)
Morels a n d truffles a r e poisonous mushroonls
I mir( .v 38 J I % ? 1 43.
I I
I
2
f I
(1)
performing cementing to keep neighbouring cells together.
(2)
facilitate communication between adjoining cells by connecting the cytoplasm for rapid transfer of ions,,.small molecules andsome iarge molecules. . ..
(3) .
separate two cells from each other..
(4) 44.
46.
??RuETwm**** -mf? I
?m%T%rn$l
A
1
(4)
* & $ 5 F I fam T m $ l
*
% 3if( fihoifi -it'
*%
I
The function of the gap junction is to :
.
45.
j
Yeast is unicellular and useful in fermentation
(4)
(3)
.
.
stop substance from leaking across a tissue.
Axile placentation is present in : (1)
Dim tkus
(2)
Lei11011
(3)
Pea
(4)
Argerrrorlc
Which of the following are not membrane -bound ? (1)
Vacuoles
(2)
Ribosomes
(3)
Lysosomes
(4)
Mesosomes
In his classic experiments on pea plants, Mendel did not use : (1) Seed colour
(2)
Pod length
(3)
Seed shape
(4)
Flower position
46.
m~~tieifrn&3msf~1&1-;f&?'i&
47.
During ecological succ~ssion:
147.
(1)
the gradual and predictable change in species
composition occurs in a given area
(2)
the establishment of a new biotic community
is very fast in its prii-nary phase.
~
3
1
~
~
t
h
b2. :
(3) tlie numbers and types of animals remain
constant.
(4)
the changes lead to a community that is in
near equilibrium with the environment and
is called pioneer community
The body cells in cockroach discharge their nitrogenous waste in the haemolymph mainly in tlie form of : (1) Ammonia
(2)
Potassium urate
(3)
Urea
(4) Calcium carbonate Which of the following biomolecules does have a
phosphodiester bond ?
(1) Fatty acids in a diglyceride (L) lvlonosaccharldes in a polysaccharide
(3) Amino acids in a polypeptide (4) Nucleic acids in a nucleotide The UN conference of Parties on climate change in
the year 2012 was held at :
(1)
Durban
(2)
Doha
(3)
Lima
(4)
Warsaw
Arrange the following events of meiosis in correct sequence :
51. ~ T ' & @ ~ W T ~ ~ W T $ ~ T E $ ~ T . - ; ~ * '.
(a)
Crossing over
w:
(a) TITI%T$FR(*
(b) Synapsis (c)
(b)
Terminalisation of chiasmata
(d) ~isappeaianceof .nucleolus.
. .
(c)
..
(d). (1)
'P),
SC).
(2)
P)J
(3)
( 4 P?f( 4 ( 4
k)l.( 4 .
(4)
*(rn)@
.*
* r m Cij m?h?qmm0
'
&
@)f'(a)/ ( 4 , ('c) @),(a);' (dt f d)
(3) (4)
( 4 f . P ) I(4: (dl (c)! (a)
(1) '
.
P ) f fc)t (dl, (a).
.
,
.
.
.
*)@
@)I
1
i
I
I
1 I I
i ( $
,
i
11 52.
& $1 3 -&a;
I,
q%3
Root pressure develops due to : (1)
Active absorption
(2)
LOW O S ~ I O ~potential ~C 111 SOII
(3)
Passive absorption
(4)
Increase in transpiration
1 5 9
~~~~f%fFd~$fii.hhm3?il??
(4)
1
s
53.
%/
rn!
1
~4
Frog Lizard
(3)
Whale
-
f+7f3Emq.3iirililh~iidm-m~ PT~%G? (I) k .'
Which one of the follo\ving animals has two separate circulatory pathways ? (1) (2)
*-if~&rn
(2)
s*
(4) Shark
1
4
yJ
(4)
54. Which of the following events is not associated with
ovulation m human female ?
(1) Decrease in estradiol
(2) Full development of Graafian follicle (3) Release of secondary oocyte (4)
LHsurge
55. Most animals that live in deep oceanic waters are : (1) primary consumers
(2) secondary consumers (3) tertiary consumers (4) 56.
detritivores
Tf you suspect major deficiency of antibodies in a
person, to which of the following would you look
for confirmatory evidence ?
(1) Fibrjnogin in plasma
(2) Serum albumins (3) Haemocytes (4) Serum globulins 1
<
1 1 I
57.
The structures that help some bacteria to attach to
rocks and/or liost tissues are :
(1) Rhizoids
(2) Finibriae (3) Mesosonies
(4) Holdfast
1
(1)
W F V 3 . m
>y
r
B
I
"'9~
12
58. Increase in coi3centration of the to\lcant ai successive troyhic levels is known as . (1)
~inmagn~fication
(2)
Biodeterioration
(3)
Biotransformatiol~
(4)
Biogeoche~nicalcycling
Coelenterata
(2)
Porifera
(3)
Mollusca
(4)
Protozoa
The oxygen evolved during photosynthesis comes from water molecules. Which one of the followiiig pairs of elements is involved in this reaction ? (1)
Manganese and Chlorine
(2)
Manganese and Potassiuni
(3)
Magnesium and Molybdenum
The primary dentition in hunian difiers from permanent dentition i n not having one of the following type of teeth : (1)
Canine
(2) . Premola~s
(3)
Molars
(4)
Incisors
'I
z
\" L<
Coconut water from a tender coconut is : (1)
Immature embryo
(2)
Free nuclear endosperm
(3)
Ini~ermostlayers of the seed coat
(4)
Degenerated nucellus
Which of the following layers in an antral follicle is acellular ? (1) Granulosa (2)
Theca interna
(3)
Stroma
(4)
Zona pellucida
3
-
$$
q f$q
?? (2)
Body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect development are the characteristics of phylum : (1)
58,
4~itih ?m%-+Jl
*
4
q-&)$) q q
"1' ip,
a
,
9
SCOC0
!
3 4 .
The introductio~~ of t-DNA into planls ~~lvolvus (I)
1
1 64.
3 3-jlyq.9, ([-DNA)$ Vns 3 T~?~%?R%?W m
Infection ol the plant by Agiobncl(,rr~~lrl ttrnlefflcfcns
(2) Altering the pH ol the so~l,then hcat-shocking the plants
(2)
q+
(3)
Exposing the plants to cold for a brief period
(4)
Allowi~~g the plant roots to stand in:water
~
@?fWT m
q~$pl-l$-<~d~~~&¶<~-tt'~sr~r *?I
i
t5,
B 4 q q &$ ?
13
In whit11 group of organisms the cell walls forin
two thin overlap ping sl~ellswhich fit together ?
(1)
Chrysophytes
(2)
Euglenoids
(3)
Dinoflagellates
(4)
SIime~noulds
hw
6 .
Human urine is usually acidic because :
1 6 6 . ) WRv3iliR?k*WFh&il$*:
't
(1) the sodium transporter exchai~gesone hydrogen ion for each sodium ion, in peritubular capillaries.
I
(2)
excreted plasma proteins are acidic.
(3)
potassium and sodium exchange generates
acidity.
(1)
-*d4,mm* T
i
?
f
&
m
3
~
~
9
1
~
1
~
\
67. 1n p h ~ t o s ~ n t l ~ e the s i s light-indepe~~dent , reactions
take place at :
1I
(1)
Thylakoid lumen
I
I
(2)
Photosystem I
(3)
Pho tosys t e ~ nI1
(4)
Stromal matrix
68. In mammalia~~ cyc, the 'fovea' is the center of the
visual field, where :
1'
!
(1)
high density of cones occur, but has no rods.
(2)
the optic nerve leaves the eye.
(3)
only rods are present.
(4)
more rods than cones are found.
1 11
(2)
~yrfim;ih+m~%~
,,.@I-h r n @ M $ l (4)
? I @ ~ * ~ w ~ ~ ~
69.
70.
71.
72.
73.
74.
The DNA molecule to which the gene of interest is integrated for cloning is called : (1)
Transformer
(2)
Vector
(3)
Template
(4)
Carrier
--
3.tg.y.
69.
q q & 3 f$& q&q
&
*mfl&demm$? (1)
-
Jy* (3) (4)
Pick up the wrong statement : (1)
Cell wall is absent in Animalia
(2)
Protista have pl~otosynthetic and heterotrophic modes of nutrition
(3)
Some fungi are edible
(4)
Nuclear membrane is present in Moilera
70.
W T W % ? ~ :
73.
~
Among china rose, mustard, brinjal, potato, guava, cucumber, onion and tulip, how many plants have superior ovary ?
(1)
Five
(2)
Six
(3)
Three
(4)
Four
Name the pulmonary disease in which alveolar surface area involved in gas exchange is drastically reduced due to damage in the alveolar walls. (1)
Pleurisy
(2)
Emphysema
(3)
Pneumonia
(4)
Asthma
A column of water within xylem vessels of tall trees does not break under its weight because of : (1)
Dissolved sugars in water
(2)
Tensile strength of water
(3)
Lignification of xylem vessels
(4)
Positive root pressure
Acid rain is caused by increase in the atmospheric concentration of : (1)
SO, and NO2
(2)
SO, and CO
(3)
C02and CO
(4)
O3 and dust
4
d
~
m
~
~
~
1
i:
~
.$WMmT8:
$=@ml
I
I
~*da;lf@mm
(3)
l
74.
3
l
w
&
~
-
;
f
'
~
~
0
S ,
4i
4
The enzyme that is not present ~n succus entericus is :
I 5
(1)
inaltase
(2)
nucleases
i
(3)
nurlrosidase
(4)
Iipase
1i
B
15 yW+;g
(I)
( mw ) 3 %=$
*
9-
(3) *&fc&7 (4)
6. 111wliich of tlie followiiig interactions both partners are adversely affected ?
(1) Competit~on (2)
Predation
(3)
Parasitism
(4) Mutualism
.
7, Match the following list of microbes and their importance :
77.
I
(a)
q & 4 & & m * m @ m
mm:
(i)
* )(
M& @J) GFkm , \
-4 -
\C,
5,39,,u.-,r
3Fpn;l
?
CL
'h%T
nmi&~m3I
(ii) fW \ (1
j/. (iii) 'j
(d)
(4
(1) (iii)
(b) (iv)
(i)
(ii)
(iv)
(iii)
(ii)
(i)
.
(2)
78.
(a)
'
(d)'
(3) (iv)
(ii)
(i)
(iii)
(4)
(i)
(iv)
(ii)
(iii)
A pleiotropic gene: (1)
is expressed only in primitive plants.
(2) is a gene evolved during Pliocene. (3) controls a trait only in combination with another gene (4) controls multiple traits in an individual.
A protoplast is a cell :
I
I 1
(1)
without plasma membrane
(2)
without nucleus
(3)
undprgoing division without cell wall
(4)
(iv)
Jir) (2) (3) (4)
%laq-kI-im
m3mm
(a)
(b)
(4 (4
(iii) (iv)
(iv) (iii) (ii) (i)
(i) (ii) (i) (iv)
(iv) (111)
*d m
(ii) (i) (iii) (ii)
80.
Which of the following are most suitable indiciliclrs of SO2pcdlution in thc environment ? (1)
1,ichrns
(2)
C'onifers
(3)
Algae
(4)
Fungi
$1).
-<
f:i-u;f'gf$a 3 7.33ryct; qyhq ;r' so,xqqa gzz . .. 3! 4:, p7.:----,.. 6! "
qCk,
Ij
-
-
i"i$q
-
(2)
?kplfi
(3)
h
(4)
81. Grafted kidney may be rejected in a patient due to
I
1
7~
+f) $
$1.
(m) qt a&T
CI)
Hunloral ilnmune response
W P T f ~ s f i ~ ~ ~ ?
(2)
Cell-med~atedimmune response
(1)
(3) Passive immune response (4)
Innate unmune response
\*ch
one of the following fruits is parthenocarpic?
fl
/n-~~afmwi4+!
(3)
Fd%mSlffl~@m
(2)
YRi7q
(7)
Apple
3&d~&%d?jq-d $?
%
(3) Jackhit
(2)
(4)
3
~ZRl
(I)
4kFITt-v
Banana
i
*
fm-hfmlfi ?%3-33?I-!
$2.
(I) Br~njal
i q
i=dm(m)*~e
(4) 82.
-
83. Which of the following diseases is caused by a protozoan ? (1) Syphilis
(2) Influenza (3) Babesiosis
84. In human females, meiosis-I1 is not completed until ? (1) puberty (2)
fertilization
(3)
uterine implantation
(4)
birth
85. Male gametophyte in angiosperms produces : (1)
Two sperms and a vegetative cell
(2) Single sperm and a vegetative cell (3) Single sperm and two vegetative cells (4)
Three sperms
1 1
fl-
.
dm3ina+m*
i
I
I
86.
87.
Doctors use stethoscope to hear the sounds produced during each cardiac cycle. The second sound is heard when : (1)
AV valves open up
(2)
Ventricular walls vibrate due to gushing in of blood from atria
(3)
Semilunar valves close down after the blood flows into vessels from ventricles
(4)
AV node receives signal from SA node
Auxin can be bioassayed by : (1)
88.
89.
Avena coleoptile cu~vature
(2)
Hydroponics
(3)
Potometer
(4)
Lettuce hypocotyl elongation
Satellite DNA is important because it : (1)
codes for proteins needed in cell cycle.
(2)
shows high degree of polymorphism in population and also the same degree of polymorphism In an individual, which is heritable from parents to children.
(3)
does not code for proteins and is same in all members of the population.
(4)
codes for enzymes needed for DNA replication.
Cellular organelles wit11 membranes are : (1)
90.
'
.
nuclei, ribosomes and mitochondria
(2)
chromosomes, ribosomes and endoplasmic reticululn
(3)
endoplasmic reticulum, ribosomes and nuclei
(4)
lysosomes, Golgi mitochondria
apparatus
and
Eutrophication of water bodies leading to killing of fishes is mainly due to non-availability of : (1)
food
(2)
light
(3) essential minerals
I
S
18 The cylindnca! tube of a spray pump has radius R, oiie end of which 11as n flne holes, each of radius r If the speed of the llquld in the tube is V, the speed of the ejection of the liquid t11l.ough the holes is :
91.
f$;rii d-w-4$3-q+~
& F ; f d t ~ n q ~ f k f , f d ~ * $
~
,
~
~
~
d
~F3drnM:
VR'
(1) (1)
V R ~ -TF n r
(2)
--
vR2 (2)
4 f+iqR$ I yg
-2 111
VR' nr2
Point lndsses rnl and m2 are placed at the opposite ends of arigid rod of length L, and negligible mass. The rod is to be set rotating about a n axis perpendicular to it. The position of point P on this rod through which the axis should pass so that the work required to set the rod rotating w ~ t hangular velocity wo is minimum, is given by
A proton and an alpha particle both enter a region of uniform magnetic field B, moving at right angles to the f eld B. If the radius of circular orbits for both the particles is equal and the kinetic energy acquired by proton is 1MeV, the energy acquired by the alpha particle will be : (2)
0 5 MeV
(3)
1.5MeV
(4)
1MeV
93.
y W i k h f l ~ . ~ [ ~ ~ ~ , ~ ~
h ~ * f i q d ' & $ l flTfadf@T * m q 8 1 *,d-+vh%M,-~~dal Mrn-a'~**sitii?'6~1~3TfsfiT ~ M (1) (2) (3)
~ v $ ~ , $ ? W W T ~ ~ ~ T 4 MeV 0.5 MeV 1.5 MeV 1MeV
1 94. i I
95.
A plank wit11 a box on it al on0 t > i . l c l is gradually raised about the other e n d . A s the angle of inclinationwit11the horizontal rc~acl~es 30", the box starts to slip and slides 4.0 In d o w i ~the plank in 4.0 s. 'The coefficients of static and kinetic friction between the box a n d t h e p l a n k will be, respectively :
(1)
0.6 and 0.6
(2)
0.6 and 0.5
(3)
0.5 and 0.6
(4)
0.4 and 0.3
An ideal gas is compressed to half its initial volume by means of several processes. Wlljcli of the process results in the maximum work done on the gas ? (1)
Adiabatic
(2)
Isobaric
('4)
TEnrhnyiC
\
I
(4)
Isothermal
A ball is thrownvertically downwards froin a height of 20 m with an initial velocity vo. It collides with the ground, loses 50 percent of its energy in collision and rebounds to the same height. The initial velocity uo is : ( ~ a k ge =10 msP2) (1) 14ms-I
In the spectrum of l~ydrogen,the ratio of the longest wavelength ill the Lyman series to the longest wavelengtl~in the Balmer series is :
i-
B 98.
20 A source o l sound S e~nlttingwaves of frequency 100 Hz and an obscrvcr 0 are located at some d~stancefrom cach oilier Thc source 1s moving with a speed of 194 111s at a n angle of 60" ~71ththe source observer llnc~as :;liown in the figure. The observer is at rcst Tlie apyaient frequency observed by the obseivcr (vclocitv of sound In air 330 nls- I), 1s :
98,
-'
&&,
(1) (2) (3) (4)
~ F R t ? k G I 3 6 0 " ~ ~ ~ d % ( & ~
sfi,ammf?&m~mm~Tjt,a,ammf q 3 ? $ w l 3 ~ r n m ~ ( r n 3 r n ; ~ h : 330 m s - ' )
100 Hz 103 Hz 106 Hz 97Hz
100. 4.0 g of a gas occupics 22.4 litres at NTP. The specific hcat capacity of the gas at constant volume
is 5.0 JK- in01 - . If the speed of sound in this gas at NTP is 952 ms-l, the17 the heat capacity at constant pressure s (Take gas constant R = 8 3 JK-I mol-I) (1) 8.OJK-'1nol-~ (2) 7.5 J K - I inol-I (3) 7.0 JK- mol - l (4) 8.5 JK-I mol-1
99.
+
A
i
= coswt I
ot ?
B = cos-
I
+ sin-o2t
+ sinwt A
are functions of time,
2 then the value o f t at which they are orthogonal to each other 1s
~
?
%
-
t =
(2)
t=2w
(3)
t=-
4 to
*dh$l
(1) (2) (3) (4)
F
?
rZ]3 f%%
7
~
f+dlTr?ll2,
~v , d ,~
%
q, p
Tit, x , ! , i ~ q ~ q mm : *:
q,
YT[ f 4.0 d-3
rn
m2 2 . 4 f m % 1 M - m m m m -
W-enfmr 5.0 J K - I mol-'??l Tf?, R 3,
~ - i m awf~3-h~ 9 5, 2 r n ~ - ~ %v
d,
%d,fWimm%m~3:
*
(R = 8.3J K - I mol-I) (1) (2) (3) (4)
8.0 JK- l mol 7.5 JK- mol7.0 JK- in018.5JK-l1nol-~
FIRTI 2 = coswt ? + sinot
101.
;i i ~ FIRTI n
-+
wt A wt ? 0 =cosi +sin- I Trn4%%FR~,Tjt1'tlW 2 2
~mm~,~m.itFIRTIm+w3bm $$I? 7T
(1)
t = -
4w
(2)
t= 2w
(3)
t=-
(4)
t=O
'K
Tr
t=O
+
1, -1, -1 -1,-11 -1,-1,-1 1,1,1
100. m9rn-m apn
'K
W
I
VlTrWRT: $ ~ % ~ ' ~ T T ~ I ? T T ~ % , mFl33V
'K
(1)
(4)
100 Hz 103Hz 106Hz 97Hz
A
j and
0
S (1) (2) (3) (4)
m 3 3it', [ q l p!/
'
101. If vectors A
:
.i.
0
99. If dimensions of critical velocity v, of a liquid flowing through a tube are expressed as [qxPY rZ], whcre r(, p and r are the coeff~cientof viscosity of liquld, density of llquid and radius of the tube respectively, then the values of x, y and z are given by : (1) 1,-1,-1 (2) - 1 , - l , 1 (3) -1,-1,-1 (4) l , l , l
+
1 9 4 1 ~ 1 ~ - ' 31&: d ~ $ ~ ddm,dmTWrim-dfwmdj+m]
LV5
S
a
m z qyqi rn
# E$I
100 H~
4
'IT
0
12.
given figure, a d~oclt.D is connected to a n external resistance li = 100 (1 and an e.m.f. of 3.5 V. If the barrier potential developed across the diode is 0.5 V, the current in the c~rcuitwill be :
11-1 the
93. If potential (in volts) in a region is expressed as V(x, y, z) = 6xy - y i-2yz, the electric field (in N/C)
at point (1,1,O) is :
04. A remote - sensing satellite of earth revolves in a circular orbit at a height of 0.25 x lo6 m above the surface of earth. If earth's radius is 6.38 x l o 6 m and g = 9.8 ms-*, then the orbital speed of the satellite is :
05. Two metal wires of identical dimensions are connected in series. If u,I a n d u,L are the conductivities of the metal wires respectively, the effectiveconductivity of the combination is :
I
105.
~~dmM(rns)$~$$mcMm.;t'@B
@%-ma~hfI-~~;qgl: u17~u2$Tif,31~~
-
1
UI
!I i
i
B
8
22
106. A satellite S is moving in an elliptical orbit around the earth. The mass of the satellite is very small compared to the inass of the earth Then, ( 3 ) the angular momentum of S about the centre of the earth changes in direction, but its magnitude remains constant. m h h G t f (2) the total mechanical energy of S varies periodically with time (3) the linear momentum of S remains constant in magnitude. the acceleration of S is always directed (4) towards the centre of the earth.
106.
(2)
3
IT1
-r2I
3
3
3
+
+
3
m $1
(2)
j
(3) (4)
+ 1'
(3) (4)
cv2
a
c2v2
3
+
3
r2
3
(2) (3)
rl x vl = r2 x u2
(4)
Tr
-
3
=
+
+
-
3
-
3
3
=
Tr.
3
-
-
'71-
1 71-
) gsmrm81 ~ * T r n w m & m ~
~
~
i
n ~i m ~% :
?
!
2 (2) 3 (3) 4 (4) 1 trig i W f ? 7 d ?l %38
1092 yqi' TTFil7
~
d
~
l
1)
C" (2)
L<'-' [C'
C2
~
%
$ml:
c2v2
.+,&
%
*
@ ' ~ ' ~ ~ T I & ~ ~ W F ? R ' V ' ~ I
c2v2
cv2 -a
3 Th%7
(1)
109. A parallel plate air capacitor has capacity ' C , distance of separation between plates is 'd' and potential difference'V' is applied between the plates Force of attraction between the plates of the parallel plate air capacitor is :
(2)
3
u1 3Pn
v2 - V l + + 1' - r21 lv2 - V l l 3 3 + + rl . vl = r2 . v2
2 3 4 1
mm
(Ti)
?I$,~ f l v ~ & f ; @ & f ? d * $ % f % :
+
r horizontal circles, the heavier one in a radius 2 and the llghter one in radius r. The tangential speed of lighter stone is n times that of the value of heavier stone when they experience same centripetal forces. The value of n is :
2d
s*+Gi'm&m* saf;i*pd****hl
'ZI w A 3Pn B flsT( f h Smrm:
rl - r2 = vl - v*
1)
S ~ ~ ~ T M % + ~ W W ~9fhf&f&i~~~l
(1)
108. Two stones of masses rn and 2 m are whirled in
(1) (2) (3) (4)
+
+
% qst& ff o
2+
rl x vl = r2 x v2 +
(4)
+
d1 :
$
T
1v2 - v1l 3
qq it. 7
y$r*f;*3%:,
3
rl . vl = r2 . v2 +
(3)
3
+
s,
4 4 $&q 81 m ; f ; l i w m , p d * m d g ~ ~ ~
107. Two particles A and B, move with constant velocities 3 + v1 and u2 . At the initial moment their positioi~ 107. + + vectors are rl and r2 respectively. The condition for particles A and B for their collision is : + + 3 ,3 rl - r2 0 2 v1 -
(1)
w
(3)
y cv2 cv2
c2v2
6 3
P %*
$
l
~
~
+
0, 'The position vector of a particle R as a functicn of t1111e 1s given by :
A
A
Where R is in meters, t is in seconds and i and ] denote unit vectors along x-and y-directioi~s, respectively. Which one of the following stateirtents is wrong for the motion of particle ? + (I) Acceleration vector is along - R .
v '!
(2) Magnitude of acceleration vector is R' where v is the veloclty of particle. (3) Magnitude of the velocity of particle is 8 meter/second ,(4) Path of.theparticle is a circle of radius 4 meter. 111.
1, A series R-C circuit is connected to an alternating
wM~-csfm~rf&fitm dm8hf
1
% ~ t r f W f M ( a ) a w ( b ) m f m ~ :,&)\
voltage source. Consider two situations : (a) When capacitor is air filled. (b) When capacitor is mica filled. Current through resistor is i and voltage across capacitor is V then .
12, A string is stretched between fixed points separated by 75.0 cm. It is observed to have resonant frequencies of 420 Hz and 315 Hz. There are no other resonant frequeilcies between these two. The lowest resonant frequency for this string is :
19. The coefficient of performance of a refrigerator is 5. If the temperature inside freezer is - 20°C, the temperature of the surrouixdings to which it rejects heat is : (1) 31°C
(2)
41°C
(3) 11°C
(a) ~ , * * T ~ ( w ) % I (b) W
L \ k 1
m,*rnw*81 ~
P
~
*
M
~
T
~
~
~
~
~
T
I
-w -e -e g
N
%
?
2
m,
121. A beam of light consisting of red, green and blue colours is incident on a right angled prism. The refractive index of the material of the prism for the above red, green and blue wavelengths are 1.39,1.44 and 1 47, respect~vely
I ---
a
q m,3 3~ ?j)?l m$I T. 12,4, Anucleus of uranium decays at rest into nuclei of ~Mm&6tfmmjrmiim$m$ (3$aE thorium and helium. Then :
\
f The prism will (1)
T
-
W
i
e
WM (1) f % w p 4 i % m ~ $ 3 m ? 3 $
separate the bluecolour part from thered and green colours
9
~
?TI ~k-ti?+Tritdrnp?4pelm7?
(3)
not separate the three colours at all
(3)
~ d 3 ? ~ ~ ~ T 6 T 8 F 3 ? 1 1
(4)
separate the red colour part from the green and blue colours
%
en
?j) tlpm
~ 0 . 1 2 m ~ , 0 . l m d 3 ~ f i ~ f I
,
-0.2
0.15 Nm
(2)
0.20 Nm
(3)
0.24 Nm
(4)
0.12 Nm
(3)
The helium nucleus has more mornentum than the thorium nucleus:
(4)
The helium nucleus has less kinetic energy than the thorium f nucleus. ? A
A force F = cri
(1)
-1
(2)
2
(3)
zero
(4)
1
.
.ma b c d . 3
f qTrf % f+R%i?<:( ?
any, induced in the coil ?
.
C _ _ i _ _ _ _
eleckon (1)
abcd kIl31
(2)
adcb
(2)
a d c t f3 ~l
(3)
The current will reverse its direchon a h electron goes past the cod
(3)
~ ~ % @ % r n F 1 ~ f % d ~ ~ %-lfGTi~$7lMl
(4)
Nocurrent lnduced
y
3"
$%W-.rrf%q*, $3
irldh~?Ml
eifim9-;lfiOrn;$
*I
$
dm.
eifims-Tfk6-d
+
A
A
A
.
(2)
water rises upto the top of capillary tube and stays there without overflowing
(4)
(1)
2 .
(3)
w
(4)
1
2
49
.
.
.
.
fim*m%l ~
~
~
T
(3)
~ ~ % ~ 8 K d m m t 1
f
(4)
m
i
~
f
$
f
F
j
~
~
t
~
l
~
l
d KC?I 3 f%X?WJl sfim ~ a a w d ~ h p p 81,mmifil b l
227. W W
P
b' fiF
.
% m (1) *, -m ;M ?% nh?f*~
water does not llse at all.
2'
-1
(1) (2)
126. ~ * ~ ~ ' ~ % = 4 l ' $+,Ti4 ~ ~ % l TiiF-dZ¶~d&'h'd~a;s?$?it;
water rlses upto a p o ~ nat little below the top and stays there
4'-'i'
,
f a 4 F ~ f . m a : m * ~ w & ? '
.
A particle is"executing a simple harmonic motion. Its maximum acceleration is cu and maximum velocity is b. Then, its time period of vibration will be:
- ..- ..- ..- ..
-
mMt1
water nses upto the tip of capillary tubeand then starts overflowlngllke a fountaln
p2
.
(3)
is acting at a point
(1)
(3)
1
mm f , eifims-*%d
$3 tl
A
\*:ate rises to a height 'h' in capillary tube. If the lengthofcapillary tube above thesurfaceof water is made less than 'h', then :. . ,
t
123. An electrdn mbves on a jtraight line path XY as
A
+ 3 j + 6k
.
*-Mm Jrfem;Mtl
~ e b e r / r n ~ k ~ ~ 1 9
-
,
(1)
The lieliuh~nucleushas less momentum than the thorium nucleus.
(I)
$. .
A h A ~ m = 2 i 6 , - 1 2 k , ~ ~ e v a ~ u e o ~ ~ ~ o125. r w %*-, ~ l i c ~ r =2i-6j-l2k,q + A A A angular momentum about origin is conserved is : F = a i + 3 j +6kFl~tr[%l?h,'a'ff%+7Ti%
(2)
122. A rectangular coil of length 0.12m and width 0:1 m having50 turns of wire issuspended vertically in a uniform mametic field of streneth " 0.2 Weber/m2. The coil caries a current of 2 A. If the plane df the coil is inclined at an angle of 30" with the direction of the field, the torque required to keep the coil in stable equilibrium will be :
(2)
m qW M eiffm9 ~ .a q m
$*G
+
separate all the three colours from one another
(2)
$
~ ) l f b 7 ~ t ; ~ ~ f ; l , ~ : , ~ 4 ~ ~The , heliumnncleus has more kinetic energy (1) than the thorium nucleus.
Hue--4 Green --;r-1
%
m
124,
.
.
m m : p2 (1) 7
~
~
135. An automobile moves on a road with a speed of 51 km h-I. The radius of its wheels is 0.45 ni and the niomcnt of inertia of the wheel about its axis of rotation is3 kg ni2. If the vehicle is brought to rest in 15 s, the magnitude of average torque transmitted by its brakes to the wheel is : 2
(1)
6 66 kg m2 s - 2
G $ L
#*
'I-
\Vh~chof the following reaction(s) can be used for the preparation of alkyl halides 7
(r)
CFI~CH~O + HHCI
(11)
CH3CH20H+ HCI
(I19 (CH,),COI-I + HCI
-
(TI1)and (TV)only
(2)
(I), (111)and (IV) only
,
,
(N) (CH3)2CHOH+HCI (1)
ZnC12
ZnC12
O
CH3CH20H+ IHCI (CH3),COH -I HCI
,
--
(CH3)2CHOFI-I FICI (1)
azm (111)dl? (IV)
(3) (1) and (11) only
(2)
3m-i(I), 011) 4k (IV)
(4) (1V) only
(3)
%+3 (1) 337 (11)
111an SNl reaction
f%h ZnC12
.,
uy
on chiral centres,tliere is :
(1) 100% inversion (2) 100% racemization (3) inverslon more than retention leading to partial racemization ,
(4) 100%retention Which of the f o l l o w i ~ gis not the product of
On heat~ngwli~cho[ the following releases C02 [nost easily 7 (1) CaC07
(2)
K>C03
33
142,
*rn?
A) (2)
caco3 K2C03
+ co2Mem;&3
34
.
The sum of coordtnation number of the metal M tn the complex [M(en)2(C204)]CI(where en is ethylenediamlne) IS (1)
8
'2?
9
(3)
6
(7)
6
(4)
7
(4)
7
(1)
OF,+M~~~WSSI
(1)
OF2 IS an oxtde of fluorlne
(2)
CI2O7IS an anhydride of perchloric acid
(3)
O3 molecule is bent
(4)
ONF is lsoelectronic wlth 0 2 N -
155.
(2)
t r o n O sulphtde
(3)
carbon monoxlde
(4)
(3)
H3P04 and Na3P04 HClO, and NaCIO4
(3)
CH3COOH and CH3COONa
~l~~~TFT?i%h~;f;l~fs%~
+
9 '
--
FpG37kmsm3-
(4) H,C03 and Na2C03
'
(1)
?FwmmwS
(2) (3)
*
(4)
mO-
78%' (2) (3)
CH3CHOH COOH, whtch are opt~cally act~ve,are c /
D~astereomers
(3) (4)
Atropisomers Enant~omers
(1)
Fe(N02)2
(2)
Fern4
(3) (4)
Fern3 FeC204
(4)
--
3 P 0 4 V Na3P04
&
t>
161. CH3CHOH COOH 4 8 ~Yf'h7l%T F f W d $
*
A
c p
Y @ m TJftfw m
(3) (4)
63,
4U'il
‘d x $ d ~ w f;37 The heat of combustion of carbon to C 0 2 IS 162. -3935kJ/mol*l T F k ~ ~ i t 3 5 2 ~ ~ -393 5 kJ/mol The heat released upon format~on of 35 2 g of C02 from carbon and oxygen gas IS d~xd&t3;a~[tf: 31''2 (1) -3.15kJ 3" 2 Y? vJ +/-f (2) -315kJ qh &if +315kJ (4) -630 kJ The rateconstant of the react~onA -t B IS 0 6 x 10-3 mole per second If the concentrat~onof A is 5 M, hen concentrat~onof B after 20 mlnutes is
HC104 V NaC104
T.
163. 3
CH3COOH Fl CH3COONa H2C03Fl Na2C03
u
T
-21
f
~
~
-
&%/
t
~
~
~
~
~
0
4 f t ~ d W K C 7 5 ~ $ 2%0 f g f i Z m
~df;?%: (2) (3) (4)
4 -
5
0.72M 108 M 3 60 M 0 36 M
C, ,p3
k'
164. - ~ o ~ - ( ~ ) m - w q - d d %
of the oxide ton, @-(g), from oxygen l $ @ a T F h T T ~ ~ ~ ~ The * format~on ~ atom requlres first an exothermtc and then an ~ % ~ m k + i T J I ~ ~ i r n ~ l 7 l * endotherm~cstep as shown below K M ~ O+? , XFWEGT O(g)+ e- -t 0 - ( g ) , A,H' = -141 kJ mol-' (1) Fe(N02)2 0- (g) + e- + 02-(g) , A ~ H ' = + 780 kJ mol-I (2) Fern4 7 b ~ process s of formation of 02-In gas phase IS (3) Fern3 unfavourable even though @- 1s lsoelectroiuc m t h (4) FeC204 neon It 1s due to the fact that,
'
(1)
add~tlonof electron m oxygen results m larger slze of the ion
(1) 3
(2)
electron repulsion ouhvetghs the stabtlity gamed by achlevmg noble gas configurahon comparat~velysmaller slze than
4 5 2
p%B
4
4-
The number of structural molecular formula C3H9N IS
(2) (3) (4)
\u,,
~ % t i m ~ t & $ (1)
(2)
-?'
Assuming complete ~ o n ~ z a t ~ same o n , moles of whlch of the followtng compounds w ~ lrequtre l the least amount of ac~dtfledKMn04 for complete ox~dahon7
84 75 96 60 Yl7 . M g = 2 4 )
"
(11)
157. kWf6&43 f&Fd % @ 1 &-T 3T@h
a
(Q
, Two posslblestereo-structures of
O ~ W ~ S I Z ~ % I
?~1q&ib7
W*T
Wh~chone of the followtng p a r s of solutton is not an acid~cbuffer 7 (2)
ma; 4 &
20 0
~ * d ~ V 8 0 g % T I ? %T @ * ~ ~ ~ ~ s f ; l ? 2 f % T (1) (2) (3) (4)
*'
it
3iW?
&&f?djTirn
coppero) sulphtde
(1)
* 3
In the extraction of copper metal a f m l l y ohtamed b oxtde wlth sulphur dtoxtde
B
rnF3-u'
which of the statements giveq below IS incorrect 7
(1)
*
35 20 0 g of a magnesium carbonate sample decomposes on heatliig to gtve carbon dloxtde and 8 0 g magnesium oxlde What wtll be the percentage purity of magnesium carbonate In the sample 7
~ ~ m 4 4 F l ' m * ~ ~ *
3. + 0- (g) , A ~ H ' = -141 kJ mol-' 0-(g)+ e- + 02-(g) , A ~ H "= + 780k~mol-'
O(g)+ e
* m 4 @ - m T m ~ % w f b @ fimmf;l*l T ~ ~ W % W % > (1)
-4R%qi%%*'dm;f;lm
=Gh%l J i + m ~ % ~ ~ % m * d , ~ Y f % W b I ~ ~ & i % l (3) o - ~ m m ~ w q d f ;
t 1
dmikibl (4) oxygen is more electronegattve
(4)
~
;
m
i
7
~
~
%
1
(Ag = 107:8, N = 14,O = 16,
m;r*flm (3)
3.5g
(3)
w r i h ~ 3 ~ w ~ m W' 1
(4)
P * * ~ @ W ~ ~ m ~ ~ / ~ d % f ; f i l e l ~
w (1) (2)
3s 4s 3p 3d
(3)
4s 3s 3p 3d
(4)
3s 3p 3d 4s
Reaction of a carbonyl compound with one of the following reagents involves nucleophilic addition (1)
sodium hydiogensulphite
(2)
a~ r i ~ n & reagent d
(3)
hydrazine inpresence of feebly acidic
(4)
hydrocyanic acid
167.
~
&%*JTf%Sll~it'fiq$ JTf*Me*&m3i~1miTj
'
-
*m-
1 '
The variation dfthe boilingpoinfs ofthe hydrogen halides is in the order HF > HI >,HBr > H a .
&.M3Tf&
,
*wmii
168- .
Vf@h%T3371
H F > H I > H B ~ >HCI (1)
m
w
I
3
m
f
i
~
(2)
(2)
The electtonegativity of fluorine is much iugher than f&rothei elementsin the group.
(3)
There is &ong hydrogen bonding behue& LAHF molecules.
(4)
The bond energy of HF molecdo is greater
(1)
Hexacyanidoferrate 0ion
(2)
~&cymoiron 0 ion
(3)
-+m&*MBm4
High oxidation state of phosphorus
(4)
~
*
3
=
ZWFi [ F ~ ( c N ) ~ J ~ -
& m 2,3
-ZT@~W-Z-=@R d'mTTI ma
(CH3),CH - CH, - CH = CH,
(3)
(CHd3C- CH=CH,
(4)
(cH,),c = CH - CH? - C H ~
(4)
&,
:
&+mldI-.(nl)m '
(4) . ~
(
Acetic acid, C2H,02 Hydrochloric acid, HCI
I
Q
~
/ md*%Tl*d;tmk~~?d
A -marrm -(m)m
J
173
***-q$*.i;
&r'-~~~~3m+~~a3mm;&ir%1
(3) Tricyanoferrate 0 ion
High electron gain enthalpy of phosphorus
-OH*~~WP-H~~V+M
'%$ii*da$l
169.
The name of complexion, F ~ ( c N ) ~ ] is ~ :-
4
Dimethyl-2-butenecan be prepared by heating ~ch of~the following compounds with a strong
m
3hf;r;~~qd @mmii~t~ molecule
(I?
3vammm3d
(3) (4)
179 H ~ P o ~ * ? F E ~ ~ ~ w T F J ~ % :
What explainsthehigherbo
(4)
F
3s 3p4s3d
NH3
ha
"
m
The vacant spacc ill bcc latt~ceunit cell I S
Space For Rough
(1) 32% (2) 26% (3)
48%
(4)
23 Yc, I LU
What 1s the mole fractlon o i the solute In a 100 m aqueous solution 7 (1) (2) (3) (4)
0 0177 0 177 1 770 0 0354
*33
?he oxidation of benzene by V205in the presence of air produces. (1)
benzaldehyde
(2)
benzoic anhydr~de
(3)
malelc anhydride
(4)
benzolc acld
Caprolactam is used for the manufacture of. (1)
Nylon - 6,6
(2)
Nylon - 6
(3)
Teflon
(4)
Terylene
The following reaction
u is known by the name :
(1)
Schotten-Baumenreaction
(2)
Friedel-Craft's reaction
(3)
Perkin's reaction
(4)
Acetylation reaction
The number of water molecules is maximum in :
(1)
18 moles of water
(2)
18molecules of water 1.8gram of water 16 gram of water
(3)
(4)
fl
