Friday, December 6, 2013

Biology practice MCQ for medical entrance exams

1)Protein present in cartilage is
a)cartilagin     b)ossein     c)chondrin     d)oesein
2)    Tendon is made up of
    a)yellow fibrous connective tissue     b)modified white figbrous tissue
    c)areolar tissue                d)adipose tissue
3)    Collagen is
    a)fibrous protein     b)globular protein     c)lipid         d)carbohydrate
4)    Areolar connective tissue joins
    a)bones with bones     b)fat body with muscles     c)integument with muscles
    d)bones with muscles
5)    The cell junctions called tight ,adhering and gap junctions are found in
    a)connective tissue     b)epithelial tissue     c)neural tissue         d)cuboidal
6)    Desmosomes are found in
    a)epithelial tissue     b)muscular tissue     c)nervous tissue     d)all of these
7)    The lining of bone marrow cavity is called
    a)endoneurium         b)endosteum         c)endothelium         d)endomyosium
8)    The type of epithelial cells which line  the inner surface  of fallopian tubes ,brochioles and small bronchi are known as
    a)squamous epithelium         b)columnar epithelium         c)ciliated epithelium
    d)cubical epithelium
9)    Nissl’s granules are absent in
    a)axon         b)cyton     c)dendrone     d)both ‘a’ and ‘b’.
10)    Inner lining of blood vessels  is made of which type of tissues?
    a)sqamous epithelium         b)columnar epithelium         c)collagen fibres
    d)areolar connective  tissue
11)    Thousand of year old mummies are still in their condition as they were before due to the non destruction of
    a)yellow elastin fibres         b)white elastin fibres         c)collagen fibres     d)veins
12)    Haversian canals are present in
    a)bone marrow         b)bone matrix         c)hyaline cartilage     d)calcified cartilage
13)    Cardiac muscles are different from that of skeletal muscles as
    a)they are smooth     b)they are voluntary     c)they are non –striated    
    d)they are straited and inoluntary
14)    Pseudo –stratified epithelium is found  in
    a)rectum     b)urinary bladder     c)wall of oesophagus     d)inner lining of bronchiole
15)    Fats are richly found in
    a)alveolar tissue     b)adipose tissue     c)lymph glands         d)liver cells
16)    Brush bordered epithelium is found  in
    a)trachea     b)small intestine     c)stomach     d)fallopian tube
17)    Minimum regeneration power is present in
    a)nervous tissue     b)connective tissue     c)epithelial tissue     d)none of these
18)    Largest smooth muscle present in
    a)leg             b)thigh             c)uterus of pregnant woman     d)urethra
19)    stratified squamous epithelium is found  in
    a)mouth cavity         b0trachea     c)lining of blood vessels     d)epiderms
20)    Volkmann’s canals connect
    a)Haversian canal with connect         b)Haversian canal with Haversian canal
    c)Haversian canal with marrow cavity     d)lacunac
21)    Match the types of animal tissues  listed  under column -1 with the location given unde
 Column- 11.Choose the answer which gives the correct combination of the aphabets of the
 two columns .
Column-1(Tissue )            Column-11(Location )
A  simple Columnar         p    Wal of heart epithelium
B  Cardiac miscle         q    Bone joints
C  Adipose  tissue         r    Inner lining of stomach and intestine
D Hyaline cartiage         s    Below the skin in the  abdomen ,buttocks ,thighs and   
            Breasts
        t    Diaphragm
a)A=r,B=p,C=t,D=s
b)A=r,B=t,C=s,D=t
C)A=p,B=r,C=s,D=t
d)A=r,B=p,C=s,D=q
22)    Non –keratinised stratified epithelium occurs in
    a)vagina ,cervix  and bucca cavity     b)Vagina ,cervix and cavity and anus
    c)Vagina and cervix             d)bucca cavity and anus
23)    Name the type of tissue that forms gand
    a)epithelial    b)muscular     c)squamous     d)cuboidal
24)    Goblet cells of intestinal epithelium are examples of
    a)unicellular glands     b)striated epithelium     c)columnar epithelium     d)none of the above

Structural  organisation in animals 

1)Primary function of enteronephric nephridia of pheretima is
a)osmoreguation     b)excretion of nitrogenous wastes     c)respiration     d)locomotion
2)    Ommatidia serve the purpose of photoreception in
    a)cockroach         b)frog         c)humans         d)sunflower .
3)    Which one of the foowing groups of structures /organs have similar function?
    a)tyhlosole in earthworm ,intestinal villi in rat and contractile vacuole in Ameoba .
    b)nephridia  in earthworm ,Malpighian tubules in cockroach  and urinary tubules in rat
    c)antennae of cockroach ,tympanum of frog  and clitellum of earthworm .
    d)incisors of rat ,gizzard (proventriculus )of cockroach  and tube feet of starfish .
4)    Bidder’s canal is found  in
    a)Kidney of mammal         b)testes of frog         c)Kidney of frog    
d)ovary of mammal
5)    The female genital pore of pheretima posthuma located upon the ……segment .
    a)14th        b)16th        c)18th        d)15th
6)    During hibernation ,frog’s respiration is
    a)cutaneous     b)buccopharyngeal     c)pulmonary    d)pharyngeal
7)    The difference between male and female cockroach is
    a)in male anal cerci are present         b)in male anal style are present
    c)in female anal style are present     d)in female anal cerci are present
8)    Conglobate egland is found in
    a)frog         B)Cockroach     c)prawn     d)earth worm
9)    Frog’s tadpole are
    a)uricotelic         b)ammonotelic         c)ureotelic     d)none of these
10)    Forest of nephridia present in
    a)pharyngeal region     b)clitellar region     c)anal region     d)none of these
11)    The cockroach of genus Blatta is also called
    a)German cockroach     b)Australian cockroach         c)Orientatal cockroach
    d)American cockroach
12)    In earthworm ,fertilization occurs in
    a)ovary         b)oviduct     c)cocoon     d)vasa efferentia
13)    Stink gland is found in
    a)4thand 5th terga of cockroach         b)5thand 6th terga of cockroach
    c)5th &6th sterna of  cockroach         d)4th&5th sterna of cockroach
14)    Spiracles found in cockroach are
    a)2 pairs in thorax and 10 pairs in abdomen     b)2 pairs in thorax and 6 pairs in abdomen
    c)2 pairs in thorax and 8 pairs in abdomen     d)2 pairs in thorax and 4 pairs in abdomen
15)     The young one of cockroach is called
    a)caterpillar     b)nymph     c)fingerling     d)maggot
16)    A gradual decrease in the size of the tail during metamorphosis in the life  cycle of frog is a good
  example  for
    a)programmed cell death     b)cell necrosis         c)cell senescence
    d)pinocytic activity
17)    Regarding blood circulation ,it may be said that in pheretima the dorsal vessel is a
    a)collecting vessel in first two segment & distributing vessel in other
    b)collecting vessel in first thirteen segments & distributing vessel in intestinal region 
    c) distributing vessel in first five  segments & collecting vessel in other .
    d)distributing  vessel in first thirteen segments & collecting vessel in intestinal region .
   

Human reproduction and reproduction health

1)The extra embryonic membrances of the mammalian  embryo are derived from
a)trophoblast     b)inner cell mass     c)formative cells     d)follicle cells
2)    Fertilizin is a chemical substance produced from
    a)Polar bodies         b)middle piece of sperm     c)mature egg        d)acrosome
3)    Blastopore  is the opening of
    a)archenteron         b)blastocoel        c)coelom     d)alimentary canal
4)    What is true for cleavage ?
    a)size of embryo  increases     b)size of cells decreases        c)size of cells increases
    d)size of embryo decreases
5)    Ovulation in the human female normally takes place during the menstrual cycle
    a)at the mid secretory phase     b) just before the end of the secretory phase
    c)at the beginning  of the proliferative phase     d)at the end of the proliferative  phase
6)    Foetal ejection reflex in human female   is induced by
    a)release of oxytocin from pituitary     b)fuly developed foetus and placenta
    c)differentiation  of mummary glands     d)pressure exerted by amniotic fluid
7)    The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human  testis is
    a)spermatogonia –spermatocyte –spermatid –sperms
    b)spermatid –spermatocyte –spermatogonia –sperms
    c)spermatogonia –spermatid –spermatocyte –sperms
    d)spermatocyte –spermatogonia –spermatid –sperms
8)    meroblastic cleavage refers to  which type of division of eggs ?
    a)incomplete     b)total         c)horizontal     d)capacitation
9)    Middle piece  of a mammalian sperm contains
    a)nucleus     b)centriole     c)mitochondria         d)vacuole
10)    Eggs having yolk in their centre  of cytoplasm in peripheral layer ,are called
    a)isolecithal         b)microlecithal         c)centrolecithal     d)teloecithal
11)    Cumulus covers
    a)ovum     b)ovary     c)embryo     d)all of these
12)    In spermatogenesis ,the acrosome of sperm  is formed by
    a)Gogi complex         b)mitochondria         c)lysosome         d)nucleus
13)    An oocyte is released from the ovary under the influence of LH
    a)after completing meiosis and before polar bodies are released
    b)after competing meiosis 1 and before release of polar  bodies .
    c)after completing meiosis     d)after completing meiosis 1 and after release of polar bodies
14)    Both corpus luteum and macula lutea are
    a)found in human ovaries     b)a source  of hormones
    c)characterized  by a yellow colour     d)contributory in maintaining pregnancy
15)    Grey crescent is the area
    a)at the point of entry of sperm into ovum
    b)just opposite to the site of entry of sperm into ovum         c)at the animal pole
    d)at the vegetal pole
16)    Corpus luteum is developed from
    a)Graafian follicle     b)nephrostome     c)oocyte     d)none of these
17)    Fertilised ovum in human is transplanted in the uterus ,how many days after fertilization ?
    a)1 day         b)7days         c)8days     d)10 days
18)    Cessation of menstrual cycle in a woman is called
    a)latation     b)ovulation     c)menopause         d)parturition
19)    Sertoli  cells are involved in
    a)excretion     b)respiration         c)nutrition of sperms         d) all of these
20)    which of the following shows the process of fertilization ?
    a)2n→    n    b)n→n            c)n+n→2n        d)2n→2n

21)    Leydig’s cells are found in
    a)heart         b)lungs         c)spleen    d)testis
22)    Capacitation of sperms occurs in
    a)female genital tract         b)oviduct     c)vas efferens         d)vagina
23)    Fertilization of sperm and ova takes place in
    a)ampulla of oviduct         b)isthmus of oviduct         c)fimbrae of testosterone
    d)none of these
24)    The placents of human  beings belongs to the category of
    a)haemochorialis         b)endotheliochorialis         c)syndesmochorialis
    d)epitheliochorialis
25)    Amphimixis  is
    a)reaction of antifertilizin & fertilizing         b)fusion of male and female pronuclei
    c)formation of reception cone by ovum         d)penetration of sperm into ovum
26)    Layers of an ovum from outside  to inside  is
    a)corona radiate ,zona pelucida &vitelline membrane
    b)Zona pelucida ,corona  radiate & vitelline membrane
    c) vitelline membrane ,zona pellucid & corona radiata
    d)Zona pellucid ,vitelline membrane & corona radiata
27)    Structure connecting the foetus to placenta is
    a)umbilical cord     b)amnion     c)yolk sac     d)chorion
28)    Repair of endometrium is undertaken by
    a)LH            b)FSH        c)estrogen     d)prolactin
29)    During gastrulation the blastocoal is replaced by
    a)archenterone         b)pseudocoelom     c)coelom     d)none of these
30)    In human beings  the second meiotic  division  in the ovum occurs
    a)after fertilization     b)after ovulation     c)after implantation
    d)immediately  before ovulation
31)    The 32 cells stage of the human embryo is
    a)smaller than the fertilization egg     b)same size  as the fertilized egg    
    c)two times of the size of the fertilized egg     d)four times the size of the fertilized egg .
32)    In females the  hormone  inhibin is secreted by
    a)granulose and theca cells     b)granulose cells and corpus luteum
    c)granulose  and cumulus oophorus cells     d)granulose cells and zona pellucid
33)    Notochord ,skeletal system and dermis of the skin are the derivatives of
    a)mesoderm         b)all the three layers         c)ectoderm     d)endoderm
34)    2n=16 in  a primary spermatocyte  which is in metaphase of first meiotic division .What sha be the total number of chromatids in each of the secondary spermatocyte ?
    a)16        b)24        c)32        d)8
35)    Some important events in the human female reproductive cycle  are given below .Arrange the events in a proper sequence
    A-Secretion of FSH, B-Growth of corpus luteum ,C-Growth of the follicle  and oogenesis ,D-Ovulation ,E-Suddeen increase in the leves of LH
    a)A→D→C→E→B        b)B→A→C→D→E
    c)C→A→D→B→E        d)A→C→E→D→B
36)    Identify the correctly matched pair /pairs of the germ layers and their derivatives
    A.Ectoderm –Epidermis
    B.Endoderm –Dermis
    C.Mesoderm –Muscles
    d)Endoderm –Ename of teeth
    a)A and D only         b)a and B only         c)A,C and D only     d)A ,B,C and E only
37)    Temperature of the scrotum which is necessary for functioning  of testis is always below body temperature .This difference is
    a)20C            b)30C            c)40C            d)60C
38)    Relaxin is released from
    a)testis         b)ovary         c)adrenals         d)pitutary
39)    Sperm enters from  which part of egg?
    a)from animal pole in unfertilized  egg         b)from vegetal pole in unfertilized
    c)anywhere in unfertilized egg except animal pole     d)al of the above
40)    Which of the following statements is correct with refernce to a test tube baby ?
    a)fertilization of the  egg is completed outside the body  the fertilized egg is then placed in the  womb of the  mother  where the gestation is completed.
    b)fertilization of the egg is completed in the female genital tract .It is then taken out and grown in a large test tube .
    c)a  prematurely born baby is reared in an incubator .
    d)fertilization of the egg and growth of the embryo is completed in a large test tube
41)    What is the work of copper –T?
    a)to inhibit ovulation         b)to inhibit fertilization       
c)to inhibit  implantation  of blastocyst         d)sto inhibit ganetogenesis
42)    What is the work of progesterone which is present in oral contraceptive pills ?
    a)to inhibit ovulation         b)to check  oogenesis       
c)to check entry of sperms into cervix and to make them inactive    
d)to check sexual behaviour .
43)    Given below are four methods (A-D) and their models of action (a-d) in achieving contraception .select  their correct matching from the four options that follow .
        Method         Mode of Action
    A)The pill             1)prevents sperms reaching cervix
    B)Condom             II)prevents implantation
    C)Vasectomy             iii)prevents ovulation
    D)Copper T            iV)Semen contains no sperms
    a)A-(iii),B-(iv),C-(i),D-(ii)
    b)A-(ii),B-(iii),C-(i),D-(iv)
    c)A-(iii),B-(i),C-(iv),D-(ii)
    d)A-(iv),B-(i),C-(ii),D-(iii)



44)    Consider the statements given below regarding contraception and answer as directed there after
    1)medical termination of pregnancy (MTP) during first trimester is generally safe
    2)generally chances of conception are nil until mother breast –feeds the infant upto two years
    3)intrauterine devices like copper –T are effective contraceptives
    4)Contraception pills may be taken upto  one week after coitus to prevent conception .
    Which two of the above statements are correct?
    a)1,3            b)1,2            c)2,3            d)3,4
45)    Tubectomy prevents pregnancy by
    a)preventing fertilization             b)preventing ovulation
    c)altering FSH levels in ovary             d)altering LH levels in ovary
46)    Which  of the following pairs is not correctly matched ?
    a)Syphilis –Trichur trichiura                 b)dengue fever –arbovirus
    c)sleeping sickness –tryanosoma gambiense     d)plague-Yersinia pestis
46)    which of the following is a technique  of direct introduction of gametes into the oviduct ?
    a)MTS            b)ET            c)IVF            d)POST
47)    Which of the following is a  method of birth control ?
    a)IUDs            b)GIFT            c)HTF            d)IVF-ET
48)    The first case of IVF-ET technique success ,was reported by
    a)Louis joy Brown and Banting Best         b)patrick Steptoe and Robert edwards
    c)Robert Steptoe and Gilbert Brown         d)Baylis and Starling Taylor.
49)    The tests ,which is misused for identification for an unborn baby is
    a)clotting  test         b)amniocentesis     c)erythroblastosis     d)angiogram

EVOLUTION

1)The diversity  in the type of beaks of finches adapted to different feeding habits on the Galapagos Island ,as observed  by Darwin ,provides evidence for
a)intraspecific competition                 b)interspecific competetion   
c)origin of species by natural selection         d)intraspecific Variations
2)    At a particular locus ,frequency of A allele is 0.6 and that of a is 0.4.What would be the frequency of heterozygotes  in a random mating population at equilibrium .
    a)0.36                b)0.16                c)0.24            d)0.48
3)    The gene pool of the population tends to remain stable if certain conditions  are met .These conditions include ,no mutation ,no  migration and :
    a)random mating         b)natural selection         c)reduction of predators
    d)moderate environmental changes
4)    Darwin’s book “Origin of New Species By Natural Selection” was published in
    a)1809                b)1859                c)1857            d)1869
5)    The concept of ‘genetic drift ‘ was introduced by
    a)Sewall Wright         b)Hardy Weinberg         c)Julian Huxley     d)G.G.Simpson
6)    Given  below  is a pedigree chart
    Figure



7)    Autosomal recessive traits are
    a)albinism ,phenylketonuria  and infantile amaurotic idiocy
    b)albinism ,alkaptinuria and heamophilia     c)phenylketonuria ,red green colour blindness and muscular dystrophy             d)Huntington’s chorea ,polydactyly and albinism
8)    The child afficted with Down’s syndrome has
    a)flattened nasal bridge ,open mouth with protruding tongue
    b)small forehead ,bulding eyes and raised nasal bridge .
    c)habitually open mouth with long protruding tongue ,bulging eyes and small forehead
    d)large forehead ,raised nasal bridge and long included tongue
9)    Theory  of a abiogenesis is
    a)Theory of spontaneous creation    b)Theory of special creation
    c)Cosmozoic theory             d)Theory of panspermia
10)    Sealed  flask experiments to disprove abiogenesis were conducted by
    a)Pasteur         b)Spallanzani         c0Miller and Urey         d)Anaximander
11)    Primordial  soup is the name of
    a)Rainy season ponds             b)Hot solute  rich early sea    
c)Hot molten surface of early  earth     d)Lava rich part of early earth
12)    Earliest  hot atmosphere of earth contained
    a)Molecules of hydrogen ,Carbon and Nitrogen
    b)Atoms of  Hydrogen ,Carbon ,Oxygen and Nitrogen
    c)Atoms of Hytrogen ,Sulphur and Carbon
    d)Molecules of Hydrogen ,Methane  and mmonia
13)    Coecervates are
    a)Irreversible  colloidal complexes         b)Primitive cells
    c)Reversible collodial complexes         d)Covered by lipoprotein
14)    Who said “abiogenesis first but biogenesis ever since “?
    a)Haldane         b)Pasteur         c)Fox         d)Oparin
15)    Microspheres were developed artificially by
    a)oparin         b)Fox             c)Bahadur     d)Deamer
16)    The age of big big bang is roughly
    a)104 millions years     b)106millions years     c)109 millions years     d)104years
17)    The scientist associated with formulation of modern theory of origin of life and having written
    ‘Origin  of Life ‘was
    a)Oparin         b)Huxley         c)Lamarck         d)Darwin
18)    Life cannot originate from inorganic  materials now because of
    a)Low atmospheric temperature     b)High degree of pollution    
c)High atmospheric oxygen         d)Absence of raw materials
19)    Most advanced theory of origin of life is that of
    a)Catastrophic         b)Haldane and Oparin         c)Cosmozoic     d)Spontaneous
20)    A living connecting link which provides evidences for  organic evolution
a)Archeopteryx between reptiles and mammals         b)Lung fish  between pisces and reptiles         c)Duck bill platypus  between reptiles and  mammals
    d)sphenodon between reptiles and birds
21)    Which is the vestigial organ in man
    a)Vermiform appendix         b)Cervical vertebra         c)Altas         d)None
22)    Being all mammals ,whale ,dolphin ,bat ,monkey  and horse have some important  common characters ,but they also show conspicuous  difference .This is due to the phenomenon of
    a)Normalisation     b)geneticdrift         c)convergence        d)Divergence
23)    Homologous organs have
    a)same origin but different function     b)Different origin  but same function
    c)Same origin and same functions     d)different origin and different function
24)    Sudden appearance of an ancestral character is called
    a) evolution     b)Mutation     c)Atavism     d)Heredity
25)    Which of the following is called living fossil ?
    a)sphenodon    b)Limulus     c)peripatus    d)All  the  above
26)    “Age of Reptiles” is
    a)Paleozoic     b)Mesozoic     c)Coenozoic     d)Proterozoic
27)    Flippers  of panguin and Dolphin are considered analogous  though they are modified forelimbs because
    a)Absebce of certain bones         b)Development from different lineage
    c)Structural differences            d)Functional differences
28)    Geological time scale was first developed by
    a)Leonardo da Vinci         b)Georges Cuvier     c)Giovanni Avaduina
    d)Boltwood
29)    The term Darwin’s finches was given to Galapagos  finches by
    a)Huxley     b)Spencer     c)Wallace     d)Lack
30)    Haekel’s biogenetic law or recapitulation thoery states that
    a)Life history of an animal reflects evolutionary resembles parents
    b)Progeny resembles parents        
    c)Mutilations are acquired characters
    d)All organisms begin their life from zygote
31)    Fossilisation  is
    a)Organisms destroyed by scavengers         b)Organism eaten by predators
    c)Animals buried by natural process         d)Organisms destroyed  by calamities
32)    Analogus organs are
    a)Wings of bird and Butterfly         b)Wings of bird and Bat
    c)Limbs of horse and Human         d)Teeth of Human and Gorilla
33)    Age of mammals and Birds is
    a)Mesozoic         b)Coenozoic         c)Archaeozoic         d)Palaeozoic
34)    Fossil X is older than fossil Y because
    a)Fossil XZ was found in deeper sedimentation
    b)Fossil Y was found in deeper sedimentation
    c)Fossil Y  has homologous and analogous organs of X
    d)Fossil Y has some vestigial organs functional X
35)    In which era had life not originated
    A) Palaeozoic        B)Archaeozoic        C)Azoic        D)Mesozoic

36)    darwin’s  finches provide evidence of evolution from
    A)Anatomy        B)morphology         C)Biogeography        D)Al the above
37)    The statement “nothing in biology makes sencexept in the light of evolution” was given by
    A)Dobzhansky        B)Darwin        C)Oparin        D)Hooker 
38)    the sequence in evolution of horse was
    A)Equus,     Eohippus,    Mesohippus,    Merychippus
    B)Eohippus,    Mesohippus,    Merchippus,    Equus
    C)Mesohippus,    Eohippus,    Merychippus,    Equus
    D)Merchippus,    Eohippus,    Equus,        Mesohippus
    E)Mrychippus,    Mesohippus,    Eochippus    Equss
39)    Half life of 14C is
    A)50 years        B)500 years         C)5000 years        D)5x104 years    
40)    Ancestral amphibians were tetrapods that evolved during
A) Carboniferous Period             B) Cretaceous       
C) Jurassic Period                           D) Devonian period   
41)    The use and disuse principle of evolution or theory of “inheritance of acquired characters “was
    Proposed by
    A) Hugo De Vries     B) Lamarck        C) Weismann        D) Darwin
42)    Which of the following concepts is attributed to charles Darwin?
    A) Use and disuse of organs is of great importance in evolution
    b) Every cell must come from a preexisting cell
    C)In the struggle for existence the fittest would survive
    D) The gametes will carry only one of a pair contrasting characters  
43)    According to De Vries’ theory, evolution is
    A) Discontinuous     B) Jerky        C) Continuous and smooth    D) Both A and B
44)    Allopatric speciation occurs in
    A) a segment of some population         B)Geographically isolated population
    c)Coming together of two isolated populations   
d)Break doen of reproductive isolation between two species
45)    Some organism escape detection  from enemies by resembling other organisms .The phenomenon is
    a)Homoogy         b)Mimicry     c)Artificial Seelction         d)Natural selection
46)    ‘Philosophic Zooligique ‘ was written by
    a)De Vries         b)Lamarck     c)Mendel             d)Spencer
47)    Genetic drift is change of
    a)Gene frequency in same generation             b)Appearance of recessive genes
    c)Gene frequency from one generation to next         d)None  of the above
48)    Sum total of genes in a population is
    a)Genotype         b)Karyotype        c)Genetic constitution         d)Gene pool
49)    Which one  provides correct sequence of events in origin of new species according to Darwinism ?
    1)Natural selection    
2)Variations and their inheritance    
3)Survival of the fittest
    4)Struggle for existence
    a)1,2,3,4    b)2,3,1,4    c)3,4,1,2    d)4,2,3,1

50)    Match the following columns and find correct combination

        Column1        Column 11      
a    Darwin     p    Mutation Theory       
b    De Vries     q    Protobiosis      
C    Pasteur     r    Origin of species       
d    Fox     S    Special creation      
        t    Swan ,Necked Flask Experiment    
    a)a=r,b=p,c=t,d=q
    b)a=p,b=q,c=r,d=s
    c)a=t,b=r,c=q,d=p
    d)a=r,b=t,c=p,d=q
51)    Genetic drift operates in
    a)Small population     b)Large population     c)Island population     d)Mendelian population
52)    Theory of pangenesis was given by
    a)Darwin     b)Lamarck     c)Hugo de Vries     d)Oparin
53)    “Human population grows in geometric ratio while food materials increase in arithmetic proportion .”It is a statement from
    a)Darwin     b)Bateson     c)Amritya Sen         d)Malthus     e)Swaminathan
54)    In which condition gene ratio remains constant in a species
    a)Gene flow     b)Mutation     c)Random mating     d)Sexual selection
55)    Genetic  recombination occurs due to
    a)Mitosis and Neiosis     b)Fertiisation and mitosis     c)Fertilisation and meiosis
    d)None of the above
56)    Dark coloured peppered Moth is able to survive in industrial areas as compared to light coloured form because of
    a)High fecundity     b)Mimicry     c)Natural selection in smoky environment
    d)Lethal mutation
57)    Hmo eretus is the Zoological name of
    a)Java ape man         b)Peking man     c)Neanerthal man     d)Both a and B
58)    Fire was first used  for protection and cooking by
    a)Java man     b)Neanderthal man     c)Peking man         d)Cro-magnon man
59)    Which one of the fossil man stood first or first fossil man was
    a)Australopithecus     b)Homo erectus    c)Sinanthropus         d)Both B and C
60)    Human  ancestors first to build huts and wear animal hides were
    a)Peking Man     b)Java Man     c)Cro-Magnon Man     d)Neanderthal Man
61)    Which of the following fossil men was expert in making tools ,weapons and painting?
    a)Java ape man         b)peking man         c)Neanderthal man     d)Cro-Magnon Man
62)    The recent ancestors of modern man were
    a) Java ape man and peking man     b)Peking man and Rhodesian man
    c) Rhodesian man and Cro-Magnon man     d) Cro-Magnon Man and Neanderthal Man
63)    Dryopithecus had an ape like characters
    a)Kunckle Walker     b)U-shaped dental arch         c)Slightly projecting  snout
    d)All the above

GENITICS

1)An abnormal human male phenotype involving an extra X-chromosome (XXY) is a case of
a)Edward’s syndrome         b)Klinefelter’s syndrome     c)intersex   
d)Down’s syndrome
2)    Improvement of human race by controlled selective breeding between individual with desirable characteristics is   called
    a)inbreeding         b)euthenics         c)eugenics     d)nine of these
3)    Amniocentesis is a porcess to
    a)know about the disease of brain     b)determine any disease in heart
    c)determine any hereditary disease in the embryo     d)all of the above
4)    A women with two genes for haemophilia and no gene for colour blindness on one of the ‘X’ chromosomes marries a normal man .How will the progeny be ?
    a)50% haemophilic colour blind sons and 50% normal sons .
    b)50% haemophilic daughters and 50%colour blind daughters
    c)All sons and daughters haemophilic and colour blind
    d)haemophilic and colour blind daughters
5)    Sickle –cell anaemia has not been eliminated from the african population because
    a)it is contrilled by dominant genes         b)It is controlled by recessive genes
    c)it is not fatal disease                 d)it provides immunity against malaria
6)    Which of the following  situation will be fatal to second foetus ?
    a)if Rh+ man marries Rh+ woman     b)if Rh-man marries Rh+woman
    c)if Rh+ man marries Rh- wiman         d)if Rh-man marries Rh- woman
7)    Trisomy is expressed as
    a)2n+1        b)2n-1        c)2n+2        d)2n-2
8)    G6PD deficiency (glucose 6 phosphate dehydrogenase ; required for minor glycolysis in human beings ) is likewise a  sex-linked disease .Like sickle –cell anaemia it also afford some pritection against malaria .This is an example  when a gene can effect  more than one trait .This phenomenon is referred to as
    a)pleiotropy        b)pseudodominance         c)epistasis     d)phenocopy
9)    A man has 6 daughters .What is the probability of next child being a son ?
    a)10%            b)50%            c)100%        d)75%
10)    Hypertrichosis (hairy ears )is a sex –linked character associated with the
    a)XX chromosome     b)Y chromosome    c)XY chromosomes     d)X chromosome .
11)    Huntington’s chorea is a disease in which there is degeneration of nervous system leading to involuntary shaking of
    a)legs         b)head         c)arms         d)all of these
12)    A person met with an accident and there is no time to check his blood group ,which of the following must be given to him ?
    a)O,Rh+ve         b)O,Rh-ve     c)AB,Rh+ve     d)AB,Rh-ve
13)    Polydactyly in man is due to
    a)autosomal dominant gene         b)autosomal recessive gene    
c)sex –linked dominant gene         d)sex –linked recessive gene

 HUMAN HEALTH AND DISEASES

1)Human immuni deficiency virus (HIV) has a protein coat and a genetic material which is
a)double stranded RNA             b)double stranded DNA         c)single stranded DNA
d)single stranded RNA
2)    During viral infection the protein formed in host cells to resist is
    a)interferon         b)antitoxin         c)antibody     d)histone
3)    What is true for monoclonal antobodies
    a)These antibodies obtained from one parent and for one antigen
    b)these obtained from different parents and for one antogen
    c)these obtained from one parent  and many antigens
    d)these obtained from many parents and many antigens
4)    short –lived immunity acquired from mother to foetus across placents or through mother’s milk to the infant is  categorised as
    a)active immunity         b)passive immunity         c)cellular immunity
    d)innate non-specific immunity
5)    The most active phagocytic white blood cells are
    a)eosinophils and lymphocytes         b)neutriphils and monocytes
    c)neutrophils and eosinophils         d)lymphocytes and macrophages
6)    Lymphoid  tissue is found in    
    a)lymph nodes         b)thymus     c)tonsils     d)all of these
7)    The type of immunoglobulin present in the colostrum secreted from mammary gland is
    a)IgD            b)IgG        c)IgM        d)IgE        e)IgA
8)    Lysis of foreign cell is mediated through
    a)IgM only         b)IgM and IgG        c)IgA only     d)IgD and IgE
9)    An insect bite may result in inflammation of that spot .This is triggered by the alarm chemicals such as:
    a)histamine and dopamine         b)histamine and kinins
    c)inteferons  and opsonin         d)interferons  and histones
10)    Antigen binding site in an antibody is found between
    a)two two light chains             b)two heavy chains     c)one heavy and one light chain
    d)either between  two light chains  or between one heavy  and one light chain  depending upon the nature of antigen
11)    An autoimmune disease is
    a)Myasthenia  gravis     b)haemophilia         c)AIDS         d)none of these
12)    In an allergic  reaction ,the allergens bind to
    a)IgG group         b)IgA group     c)IgM group     d)IgE group
13)    Peyer’s patches produce
    a)mucous         b)trypsin     c)lymphocytes         d)enterokinase
14)    There are at least three methods of transmission available for AIDS ie.sexual perinatal and parenteral .Mother to child infection is called as
    a)parenteral         b)perinatal         c)both (a)and (b)    d)none of these
15)    Hybridoma is biotechnique which involves fusion of
    a)B-cell with T-cell    b)T-cell with spleem cell     c)spleen cell with myeloma cell
    d)myeloma cell with B-cell
16)    The first antibody which gets formed in response to an antigen is
    a)IgM        b)IgG        c)IgA        d)none of these
17)    A person may die after getting a bee sting in his body due to
    a)toxicity     b)coagulation of blood         c)anaphylactic shock    
d)toxicity and coagulation of blood
18)    The common means of transmission of AIDS is
    a)sexual intercourse         b)blood transfusion         c)placental transfer    
    d)all of these

19)    Which of the following is used to make vaccines ?
    a)activated pathogen         b)pathigen blocked by antibody         c)attenuated pathogen
    d)none of these
20)    Memmory cells are stored in    
a)spleen         b)lymph nodes         c)both(a) and (b)       
d)a  specialized area of brain tissue
21)    Rejection of tissue or organ transplants is brought about mainly by
    a)cytotoxic  T cells     b)NK cells     c)suppressor T cells     d)B cells
22)    Cyclosporin A an immunosuppressive drug is produced by
    a)Aspergillus niger     b)Manascus purpureus         c)penicillium notatum
    d)Trichoderma polysporum
23)    When is world AIDS day ?
    a)7 july             b)14 june         c)1st December         d)23rd May
24)    Match  the types of WBC listed in column I with the shape of nucleus given under Column II.Choose the answer which gives the correct combination of alphabets of the two columns .
        Column I                Column ii
    (types  of WBC)                    (shape of nucleus )
    i.Neutrophils                     p.kidney –shaped
    ii.Eosinophils                     q.S-shaped
    iii.Basophils                     r.3 to 5 lobes
    iv.Monocytess                     s.2 lobes
                            t.Disc –shaped
        (i)        (ii)        (III)        (iv)
    a)    r        t        p        q
    b)    t        r        q        s
    c)    q        p        t        r
    d)    r        s        q        p
25)    Column  1 lists the components of body defense and column 11 lists the correspindind descriptions .Match the two column .
        Column 1            Column 11
    A.Active natural immunity         p.Injection of gamma globulins
    B.First line of defense             q-Complement proteins and interferons
    C.Passive natural immunity         r.Direct contact with the pathogenes that have entered
                            Inside
    D.Second line of defense         s.Surface barriers
                        t.Antibodies tranferred through the placents
    a)    A=s,B=r,C=t,D=q
    b)    A=r,B=s,C=q,D=t
    c)    A=r,B=s,C=t,D=q
    d)    A=t,B=r,C=q,D=p

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