Question Booklet Series
ZOOLOGY CODE: 19

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KL-14/Zoo Series-A

Experiments with sea urchin demonstrated species specific sperm":egg recognition through the protein

Bindin Avidin


Activin Hyalin


2 The primary function of the diaphragm is to

Control blood pressure Regulate respiration


Support the heart Keep the rib cage dilated


3 In mammals, the main integrating centre for control of temperature is

Anterior pituitary Adrenal cortex


Posterior pituitary Hypothalamus


4 During inspiration, the air that we breathe moves through different regions of the associated organs in the sequence of

larynx-nasopharynx-trachea-glottis


nasopharynx -glottis -larynx-trachea


glottis -nasopharynx-larynx-trachea


larynx-glottis -nasopharynx -trachea


5 Which of the following bird species is endangered?

Hill myna Great Indian Bustard


Crow pheasant Grey Hornbill


6 When removal ofa species from an ecosystem affects persistence of many other species and the impact of that species removal is disproportionate to its abundance, the species is known as

Indicator species Keystone species


Flagship species Umbrella species


7 Which ofthe following methods is the most appropriate for estimating the population density of burrowing animals?

Quadrant sampling


Line transect sampling


Tag-recapture method


Nearest neighbour distance method


8 Fat formation from glucose takes place in order to

Relieve liver from excess of glycogen


Remove excess of fatty acids from circulation


Keep blood sugar level constant


All of these


9 End product of protein catabolism is

Urea Uric Acid


Glutamine Ammonia


10 The post ovulatory regression ofthe corpus luteum is caused by a decrease in LH secretion a decrease in FSH secretion reduction in the steroidogenic activity of the corpus luteum an increase in HCG secretion
I 1 When parathyroid gland is surgically removed from a mammal, the blood level of calcium and phosphorus increase calcium and phosphorus decrease calcium increases while that of phosphorus decreases calcium decreases while that of phosphorus increases
12 The hydrologic cycle involves Movement "Of water from atmosphere to the oceans human activities affected by water Movement of water from oceans by evaporation to the atmosphere Energy obtained from water
13 Active transport is mediated by Channel protein Carrier protein Both depending on the concentration of the ion Both depending on the size of the ion
14 Which one ofthe following is the smallest protein Insulin Haemoglobin Immunoglobin Albumin
15 The order ofcorrect sedimentation is Nucleus -Mitochondria -Lysosomes -Ribosomes Lysosomes -Ribosomes -Mitochondria -Nucleus Nucleus -Golgi -Lysosomes -Mitochondria Lysosomes -Mitochondria -Nucleus -Ribosomes
16 Communicating system Dictyosome Golgi complex forms an extensive inter-communicating membrane system. This system is called Exomembrane system Endomembrane system
17 Differentiation Trans differentiation Which of the following process involves the reversal of specialized cells back to embryonic activity? Embryogenesis De-differentiation
18 A cell membrane is selectively permeable. This means Is highly folded Allows all materials to pass through Allows only biologic molecules to pass through Allows only certain materials to pass through
KLI4/Zoo Series 2

19 Apoptosis is

Necrotic death of a cell


Programmed death of a cell


Shrinking of apop1ast and aging process


A process of shedding leaves


20 In mitochondria, cristae act as sites of

Breakdown of macromoleucles


Phosphorylation of flavoproteins


Protein synthesis


Oxidation-reduction reactions


21 Which one ofthe following correctly explains the term 'chimaera'?

Spontaneously induced deletions


Development of genetically diverse tissues in the same organism


Breaking of a part of chromosome segment during mutation


During mutation at segregation, chromosomes become equally distributed.


22 During cell division, DNA duplication occurs in

Prophase Gl of prophase


S-phase of interphase Early prophase


23 Danielli and Davson proposed a model for arrangement of

DNA and histones in chromatin


RNA and proteins in ribosomes


Lipids and proteins in cell membrane


Enzymes and coenzymes in mitochondris


24 The smallest measuring unit in cytology is

Milimeter Millimicron


Angstorm Electron


25 Cellular respiration in man occurs in

Cells lining the lung cavities


Cells contained in blood


Cells lining the gut


All living cells of the body


26 The thoracic cavity and abdominal cavity are formed by a partition termed as

Diaphragm Ribs


Abdominal wall All the above


27 Arterial blood is present in

Pulmonary arteries Pulmonary veins


Capillaries of renal system All the veins


28 Lack of breathing is known as Apnea Dyspnea Asphyxia Eupnea
29 Anadromous fishes migrate from River to sea River to stream Upstream to origin of river Sea to river
30 31 Southern Blotting (D)Nucleic acid hybridization technique In a population, the Hardy-Weinberg equilibrium would not prevail in the Absence of selection Presence of random mating (C)Absence of immigration or emigration Presence of mutation DNA is amplified by PCR technique Northern Blotting
32 A man and a woman, each carries a mutant allele for phenylketonuria, an inborn error of metabolism. However, neither of them has this disease. The probability that their second child will suffer from phenylketonuria is 0.25 0.50 .075 1.00
33 Environments Habitats Both the zebra and the African lion live in the tropical grasslands but occupy different Biospheres Ecological niches
34 Which of the following pairs is not correctly matched? Kaziranga National park -Assam Kanha National Park -Madhya Pradesh Dachigam Sanctuary -West Bengal Bandipur Sanctuary -Karnataka
35 'Kala azar' is caused by Trypanosoma Leishmania Giardia Monocystis
36 What does an ecological footprint mean? Natural resources used by each person in an area Products bought and used by each person in a given area The amount of people that can live in a given area The number of planet's worth of resources we have.
37 The Environment Protection Act was passed in 1992 1986 1984 1976
KL14/Zoo Series 4

38 The term benthos refers to communities which grow

Attached on the bark of trees


Attached on submerged plants


Attached at the bottom of a water body


Attached on submerged woody roots


39 Which of the following is the best example of a keystone species?

Sea otter Sea urchin


Spotted owl Snail darter


40 An area which is actively defended by an animal from an intruder ofthe same species is its

Niche Home range


Territory Habitat


41 EI Nino, a periodic warming ofocean currents, occurs in which of the following regions?

Tropical East Pacific Gulf of Mexico


Arctic North Pacific Temperate West Atlantic


42 The plasma membrane of sperm head contains an acid protein called

Antifertilizin Fertilizin


Acrosin Actin


43 Cell transformation which involves a change in the genome itself is called

Cytoplasia Chromoplasia


Heteroplasia Neoplasia


44 During morphogenesis the tissue transmitting a stimulus to the other tissue is called

lmpressor Dominant


Repressor Organizer


45 Deciduate placenta is present in

Horse Pig


Man Mammals


46 Fangs in poisonous snakes are modified

Canines Mandibulary teeth


Maxillary teeth palatine teeth


47 The basic biological function of cell-mediated immune system is to

Cause delayed hypersensitivity


Destroy abnormal cells


Combat virus infection


Combat intracellular bacteria



5

48 Rearing of silkworms to produce silk is called Agriculture Apiculture Sericulture Aquaculture
49 A nerve impulse is transmitted across the synapse by means of Nucleotide Hormones Nucleolus Neurotransmitter
50 Which of the following is true for mitosis? No chiasma formation No crossing over Prophase has no sub-stage All of the above
51 Heart in crocodile is Two chambered Four chambered Three chambered Incompletely four chambered
52 The fever caused by Plasmodium jalciparum Benign tertian Malignant tertian Ovale tertian Quartan
53 An oil immersion objective lens usually has a magnification of lOx 40x 100x Both
54 In a honey bee colony, the workers are Sterile females Fertile females Fertile males Sterile males
55 Which of the following is not an organ of respiration in invertebrates? Green glands Ctenidia Trachea Spiracles
56 Strobilization or pseudometamerism is seen in Tapeworms Annelids Anthropods Echinoderms
57 Respiration Locomotion Gonopore, Mehli's glands and Laurer's canal ofliver fluke are all involved in its Feeding Reproduction
58 Which ofthe following is not a nematode parasite? Schistosoma Trichinella Ascaris Dracunculus
59 Eggs of human louse are called Cocoon Nits Tumbelers Maggots
KL14/Zoo Series 6

60 Smog is a Air pollutant Soil pollutant Water pollutant Noise pollutant
61 External gills are present in Anura Apoda Urodela Stegocephalia
62 Which neurotransmitter is not secreted by nerve fibres? Adrenalin Noradrenalin Acetlycholine Kinin
63 Retrogressive metamorphism occurs in Hemichordata Urochordata Cephalochordata Cyclostomata
64 Angiotensiongen Aldosterone Which hormone maintains normal blood pressure by regulating excretion of water? Renin Angiotensin
65 Which one cannot be included in mating system? Polyandry Promiscuity Courtship Ethogram
66 Bats are included in the same taxonomic group as Butterflies Whales Flying lizards Birds
67 Sweat glands in mammals are primarily concerned with Removal of excessive salts Removal of excessive water Regulation of toxic material Regulation of body temperature
68 Birds originated from Mesozoic Coenozoic reptiles. Jurassic Modified
I 69 Biological clocks of living organisms are Inbuilt sensory systems receptive to environmental stimuli Regulated by movement of moon Independent of changes in environment Specific only to mammals
70 Which of the following is found in a marine habitat? Tub(j'ex Pheretima Teribella Hirudo
KLI4/Zoo· Series 7

71 Which ofthe following body structures of an insect is an adaptation entirely meant for water conservation?

Trachea Intestinal lining


Invaginated spiracles Malphigian tubules


72 Compensation level in an aquatic ecosystem is the one where oxygen

And carbon dioxide are in equal proportion


Level is just sufficient to maintain producers


Level is just sufficient to maintain decomposers


Release in photosynthesis balances loss by respiration.


73 Peripatus is a connecting link between

Annelids and arthropods Arthropods and mollusks


Molluscs and echinodenns Annelids and molluscs


74 Fossil remains ofArchaeopteryx were recovered from the rock beds of the

Cretaceous Jurassic


Triassic Permian


75 Which one of the following ancestors is most distantly related to the modern man?

Australopithecus Dryopithecus


Ramapithecus Pithecanthropus


76 Allopatric speciation occurs when population show

Reproductive isolation Ecological isolation


Seasonal isolation Geographic isolation


77 Biogenetic Law was postulated by

T.H. Morgan


Charles Darwin


Ernst Haekel


Wallace


78 The total collection of genes, at anyone time, in a unit of evolution is called the

Genotype


Demotype


Multiple allele group


Gene pool


KLI4/Zoo Series
79 Which of the following yields double calories as per gram of carbohydrate?

Fat Mineral


Protein Vitamin


80 What is the end product ofglycolysis?

Pyruvic acid Acetyl CoA


Lactic acid Citric acid


81
Ciliated cells are found in

Bronchus Pancreas


Liver Uterus


82 A heritable change in DNA is

Natural selection Genetic drift


Gene flow Mutation


83 Common bath sponge is

Euplectella Spongilla


Sycon Euspongia


84 Role oftyphlosole in the intestine of earthworm is

to increase absorptive surface


to control blood flow


to secrete digestive enzymes


to kill bacteria


85 The first body segment of earthworm is

Peristome Peristomium


Protostomium Protostome


86 Aristotle's lantern is a characteristic feature of

Star fish Sea Urchin


Brittle stars Holothurians


87 Larva in development of sea urchins is

Auricularia Echinopluteus


Bipinnaria Pluteus


88 The echinoderms are related to the chordates by their similarity in the development of

Nervous system Gut


Heart Coelom


89 Book lungs are the respiratory organs of

Insects Crustaceans


Arachnids Peripatus


c
90 The mouth parts of house fly are of Piercing and sucking type Biting and chewing type Sponging and sucking type Biting, sucking and lapping type
91 Fasciola hepatica is an endoparasite present in the Liver of sheep Stomach of sheep Spleen of sheep Intestine of sheep
92 Rhabdites are present in the cells of epidermis of Cestoda Trematoda Turbellaria All of the above
93 Which ofthe following is a vertebrate organism? Cuttle fish Devil fish Globe fish Cray fish
94 Hepatic portal system is present in Amniotes only Amphibians and mammals only Anamniotes only All of the above
95 Cornea transplant in humans is almost never rejected. This is because It is composed of enucleated cells It lacks blood supply It is a non living layer It's cells are least penetrable by bacteria.
96 Which one ofthe following pairs is incorrectly matched? Glucagon -beta cells Insulin -diabetes mellitus Somatostatin -delta cells Corpus luteum -relaxin
97 The functional unit of contractile system in striated muscle is Sarcomere Z band Myofibril Cross bridges
98 Largest gland in the human body is Brain Stomach Liver Pancreas
99 HCI ofthe gastric juice Activates both pepsin and ptyalin Inactivates both pepsin and ptyalin Activates pepsin and inactivates ptyalin Inactivates pepsin and activates ptyalin
100 Brunner's glands are present in Stomach Duodenum Ileum Oesphagus
KLI4/Zoo Series 10