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ZOOLOGY
51.
In the process of organic Evolution, Which of the following checks undue
accumulation of Mutations leading to disorders such as Albunism and
Phenylketonuria in human populations
 1) Stabilising selection
2) Directional selection
 3) Disruptive selection
4) Natural selection
52.
In which of the following groups of animals, forelimbs and hind limbs are more or
less equal in size
 1) Anura
2) Urodela
3) Cetacea
4)
Metatheria
53.
Which of the following techniques is used for prevention of flight in the birds of
poultry farms
1) Culling
2) Dubbing
3) Brailing
4) Brooding
54.
If the blood groups of wife and Husband are 'AB' and 'O' respectively, what will
you expect regarding the blood groups of their children?
1) All their children will inherit father's blood group
 2) The children will inherit their mother's blood group
 3) The children will inherit both father's and mother's blood gropus
 4)The children will have new blood groups other than the parental groups
55.
Which endocrirne gland histologically consists of three zones namely Zona
glomerulosa, Zona fasciculata and Zona reticularis
 1) Adrenal
2) Pituitary
3) Thyroid
4) Thymus
56.
The short and sharp sound "DUB" is heard during which stage of cardiac cycle in
Rabbit
1) Auricular systole
2) Ventricular Diastole
3) Ventricular systole
4) Auricular Diastole
57.
On examination, the head of a snake revealed 5 supra labial shields. Out of the
5, 3rd and 4th were found touching the eye. The anal shield was cleft and the
belly was pink in colour. The snake may be identified as
 1) Cobra
2) Krait
3) Coral snake
4) Pit viper
58.
Histologically a protective covering called Tunica albugenea is present on
 1) Kidney
2) Ovary
3) Testis
4) Liver
59.
The changing environment renders "yesterday's Fit organisms as today's unfit".
This statement enables us to understand which of the following phenomena
pertaining to Macro- evolution
 1) Anagenesis
2) Cladogenesis
3) Extinction
4) Adaptive radiation
60.
In the skeletal system of a vertebrate, which type of joint allows restricted
movement in different planes
1) Pivot joint
joint
61.

62.

63.
64.


65.
2) Hinge joint
3) Ball and socket joint 4)
Gliding
Which of the following structures is made up of a net work of blood capillaries
1) Corpus callosum
2) Corpora striata
3) Corpus luteum
4) Choroid plexus
In the alimentary canal of Rabbit, small rounded structures called Haustra are
associated with
1) Ilium
2) Colon
3) Caecum
4) Rectum
Intestinal absorption of which of the following vitamins is influenced by castle's
intrinsic factor present in gastric juice of Mammals
1) B12
2) B6
3) B2
4) B1
Out of 37 pairs of spinal Nerves present in Rabbit which group of spinal nerves
are maximum in number
1) Lumbar spinal nerves
2)Sacral spinal nerves
3) Cervical spinal nerves
4) Thorasic spinal nerves
In the F2 generation of a Mendelian dihybrid cross, the number of diferent
genotypes that can produce a double dominant phenotype
1) 4 genotypes
2) 9 genotypes
3) 2 genotypes
4)
1
genotype
66.
ELISA test and Western Blot test are useful in the laboratory diagnosis of
1) HIV antibodies in patient's serum
2) T - Lymphocytes in patients blood
 3) Heptities - B virus in patient's Liver
4) Hepatitis delta Virus in Patient's
Liver
67.
A random change in the gene frequency of a small population by a chance event
is called
 1) Hardy - weinberg Equillibrium
2) Cladogenesis
 3) Genetic drift
4) Allopatric Speciation
68.
Which of the following triplet code do not code for any amino acid during protein
synthesis
1) UUA
2) AGC
3) UUU
4) UAA
69.
According to Banzer, the three substructures of a gene are
1) Regulator, operator, repressor
2) Cistron, operon, recon
 3) Cistron, Muton, Recon
4) Operator, Cistron, Muton
70.
The special net work of capillaries found in close contact with the Loop of Henle
in the nephron of Rabbit is
 1) Renal venule
2) Peritubular capillaries 3) Effarent arteriole 4)
Vasa
recta
71.
During inspiration of man, the dome shaped diaphragm becomes flat due to
contraction of
1) External intercostal muscles
2) Radial muscles
3) Internal intercostal muscles
4) Thorasic Muscles
72.
Which of the following is not associated with the digestive tract of Rabbit

1) Stenson's duct
2) Sphincter of Oddi 3) Whorten's duct
4)
Bellini
duct
73.
The prototherians are described as unifinished mammals by
1) Huxley
2) Romer
3) Lamarck
74.
Circular and sucker like mouth without jaws is present in
1) Branchiostoma
2) Petromyzon
3) Echeneis
Herdmania
75.
Keel is associated with which bone of birds
1) Sternum
2) Furcula
3) Pygostyle
Synsacrum
76.
Gonyaulux and Ceratium are examples for
 1) Diatoms
2) Dinoflagellates
3) Slime moulds
77.
Among Protozoans, budding mode of reproduction is observed in
 1) Cnidospora
2) Sarcodina
3) Mastigophora
78.
Anthozoans are characterised by
1) Polyp form
2) Sedentary Habit
4) Garstrong
4)
4)
4) Ciliates
4) Ciliophora
3) Cellular Mesoglea 4) All the
above
79.
Cylindrical body, contractile tentacles, and "respiratory trees" are met with which
class of phylum Echinodermata
 1) Echinoidea
2) Holothuroidea
3) Crinoidea
4)
Ophiuroidea
80.
Which of the following is not true with reference to the class Monoplacophora
1) Internal segmentation
2) Worm like body
3) Presence of 6 pairs of gills
4) Mantle and Radula are present
81.
Which type of symmetry in animals may be described as monaxial and
heteropolar
 1) Radial symmetry
2) Biradial Symmetry
 3) Spherical Symmetry
4) Bilateral Symmetry
82.
Coelom of which type is formed in animals through teloblastic method from " 4d
blastomeres" 
 1) Pseudocoelom 2) Enterocoelom
3) Sclizocoelom
4)
Mesenchymal coelom
83.
The animal tissue which is always associated with moist surroundings
 1) Keratinised Epithelium
2) Squamous Epithelium
 3) Compound Epithelium
4) Ciliated Epithelium
84.
The leucocytes with multilobular nucleus and with cytoplasm of uniform
microgranules
 1) Eosinophils
2) Basophils
3) Neutrophils
4)
Monocytes
85.
Some sporozoans exhibit this type of locomotion
 1) Worm movement
2) Ciliary movement
3) Greagarine Movement
4) Gliding movement
86.
87.

88.
89.
90.
91.

92.


93.
94.

95.
96.
97.


Which of the following is not true with reference to the process of conjugation in
Vorticella
1) Conjugants show sexual dimorphism
2) Conjugants are unequal insize
3) Both conjugants are motile
4) 7 daughters are formed after
conjugation
The type of association established between Inn - keeper worm and fishes,
snails and peacrabs can be called
1) Mutualism
2) Commensalism
3) Symbiosis
4)
Parasitism
Which of the following is an intercellular parasite
1) Leishmania
2) Plasmodium
3) Trypanosoma
4)
Trichomonas
The parasite which can perform castration on its host
1) Echinococcous
2) Paragonimus
3) Nosema
4) Sacculina
The Kissing bug, Triatoma infestans acts as a vector in spreading a disease
called
1) Giardiasis
2) kala azar
3) Chagas
4)Rhodesian sleeping sickness
Which of the following annelids has typical nephridia in their excretary system
1) Leech
2) Pheretima
3) Megascolex
3)
Lumbricus 
Which of the following cannot be located in the 8th segment of Pheretema
1) Integumentary Nephridia
2) Gizzard
3) Seminal Vesicles
4) Sphermatheca
In the body of Cockroach, Ingluvial ganglion is associated with
1) Cibarium
2) Crop
3) Oesophagus
4) Gizard
In the mouth parts of which insect labrum, labium and mandibles are greatly
reduced
1) Cockroach
2) Mosquito
3) Housefly
4) Butterfly
The caterpillar larva of Silk moth feeds voraciously on soft mulberry leaves and
grow
rapidly. How many moults it undergo before pupation
1) 3
2) 4
3) 6
4) 1
Which colours of the visible light spectrum cannot penetrate beyond 20 meters of
depth into the aquatic ecosystem
1) Violet - Indigo
2) Red and orange 3) Blue - Green
4) Yellow Orange
Hybridoma technology is useful for large scale production of
1) Vaccines
2) Hormones
3) Monoclonal antibiotics
4) All types of enzymes
98.


According to International Union of Conservation of Nature and Natural
resources (I.U.C.N), a species which is thinly scattered over a wide area is
categorised as
1) Threatened species
2) Rare species
3) Vulnerable species
4) Endangered species
The safe level of flourine in ground water for human and animal consumption is
1) 5 ppm
2) 2.5 ppm
3) 1.5 ppm
4) 0.5 ppm
Within the range of Biokinetic zone, the rate of biochemical reactions increases
by two folds for every 10°C raise of temperature. This is called
1) Jordans rule
2) Vant Hoff's rule
3) Allen's rule
4)
Bergman's rule
99.
100.
ZOOLOGY
Q.No. 51-60
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Q.No. 61-70 61
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Q.No. 71-80
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Q.No. 81-90
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Q.No. 91-100
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