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Sunday, January 27, 2008

Jr. Grand Test-2

41. Hominoidea is a
      (1) super-family
      (2) sub-family
      (3) super-class       
      (4) Family

41. Hominoidea is a
      (1) super-family
      (2) sub-family
      (3) super-class       
      (4) Family

42. Which of the following statements is not applicable to Euglena?
      (1) Its flagellum has one row of lateral appendages on the axoneme up to the tip.
      (2) Cytokinesis occurs from anterior end to posterior end parallel to plane of karyokinesis.
      (3) It shows holophytic nutrition and saprophytic nutrition in the presence of light.
      (4) Its shows oriented movements towards the source of light.
43. Which of the following are unicellular decomposers?
      (1) Blue green algae       
      (2) Diatoms
      (3) Mushrooms
      (4) Yeasts
      Endodyogeny is exhibited by
      (1) Nosema       
      (2) Haplosporidium
      (3) Monocystis
      (4) Toxoplasms
44. Study the following about pseudopodia:
      Pseudopodia      Character                                      Example
      I. Myxopodia     Filamentous and unbranched    Globigerina
      II. Lobopodia     Rounded tips                                Amoeba proteus
      III. Actinopodia Granular cytoplasm                    Collozoum
      IV. Filopodia      Composed of only endoplasm     Lecithium
      Which of the above are correct?
      (1) II and III Only
      (2) I, II and III only
      (3) II, III and IV only
      (4) All are correct
45. Study the following about ciliate protozoans:
      I. A peritrich has cilia all over the body.
     II. A holotrich has peristomial cilia only
   III. Holotriches are primitive forms.
    IV. Peritriches are advanced forms.
      The correct ones of the above are
      (1) III and IV only
      (2) I, II and III only
      (3) II, III and IV only
      (4) All are true
46. Consider the following statements about binary fission in Euglena:
        I. Old flagella are retained by one daughter while the other develops new flagella
       II. Contractile vacuole, stigma and paraflagellar body disappear and newly appear in              daughters
      III. Blepharoplasts and chromatophores do not divide during binary fission
      Which of the above statements are true?
      (1) Only I and II are true
      (2) Only II and III are true
      (3) Only I and III are true
      (4) I, II and III are true
47. Which of the following character of conjugation in Vorticella is a deviation from the         definition of conjugation given by Wichterman?
      (1) In Vorticella, both the conjugants belong to the same mating type.
      (2) In Vorticella both the conjugants are morphologically similar.
      (3) After exchange of pronuclei, conjugants in Vorticella do not dissociate.
      (4) Conjugation in Vorticella does not bring about nuclear reorganization.
48. Cephalization is associated with
      (1) radial symmetry
      (2) biradial symmetry
      (3) spherical symmetry
      (4) bilateral symmetry
49. The red bone marrow is composed of
      (1)Adipose tissue and Reticular connective tissue
      (2) Reticular connective tissue and blood vessels
      (3) Areolar connective tissue and muscle fibres
      (4) Adipose tissue and hydroxy apatite
50. Cells that form a part of blood-brain barrier are
      (1) astrocytes
      (2) ependymal cells
      (3) microglia
      (4) histiocytes
51. Iris muscles of mammals are
      (1) ectodermal striated muscles
      (2) mesodermal striated muscles
      (3) ectodermal smooth muscles
      (4) mesodermal smooth muscles
52. Type and origin of muscles that regulate the pupil of eye are
      (1) Smooth, visceral, ectodermal
      (2) Smooth, non-visceral, mesodermal
      (3) Striped, non-visceral, ectodermal
      (4) Smooth, non-visceral, ectodermal
53. Interneuron connects
      (1) dendrite of sensory neuron and axon of motor neuron
      (2) axon of sensory neuron and dendrite of motor neuron
      (3) dendrite of sensory neuron and dendrite of motor neuron
      (4) axon of sensory neuron and axon of motor neuron
54. Number of protractor muscles in each segment of Lumbricus is
      (1) 2
      (2) 4
      (3) 8
      (4) 16
55. Intestinal caeca of Pheretima secrete
      (1) proteolytic enzymes
      (2) lipolytic enzymes
      (3) amylatic enzymes
      (4)trypsin
56. The following are the blood vessels in Pheretima posthuma:
      A. Ventro-intestinals B. Ventro-tegumentaries C. Dorso-intestinals D. Commissurals
      What is the correct sequence of these vessels in descending order of their number?
      (1) A D B C
      (2) C B D A
      (3) B C D A
      (4) C D B A
57. Number of septa in Pheretima that do not bear septal nephridia is
      (1) 9
      (2) 10
      (3) 11
      (4) 14
58. Spermatogonia of earthworm transform into spermatozoa in
      (1) testes
      (2) septal pouches
      (3) spermathecae
      (4) spermiducal funnels
59. Consider the following statements about genital pouch of female Periplaneta:
        I. Floor of brood pouch is formed by gynovalvular plates.
       II. Anterior wall of brood pouch bears female genital aperture.
      III. Roof of brood pouch bears one pair of gonapophyses.
      Which of the above are true?
      (1) Only I and II
      (2) Only II and III
      (3) Only I and III
      (4) All are true
60. Which of the following statements about Periplaneta americana is true?
      (1) All the tarsomeres except pretarsus bear thermoreceptor sensilla.
      (2) All the podomeres are movably articulated to one another.
      (3) All the rectangular nota bear wings.
      (4) All the mouthparts are modified cephalic appendages.
61. In cockroach, what is the correct path of passage of saliva from acini to reservoir?
      A. Receptacular duct B. Common salivary duct C. Efferent salivary duct
      D. Common receptacular duct E. Median salivary duct
      (1) B E D C
      (2) B E D A
      (3) A D E B
      (4) B E A D
62. Which of the following statements is incorrect?
      (1) In male mosquitoes, epipharynx is fused with labrum.
      (2) In housefly, food canal is formed by the apposition of labium-epipharynx.
      (3) In adult Bombyx, hypopharynx is absent.
      (4) In female mosquitoes, hypopharynx is a long and flat structure that contains salivary             canal.
63. Consider the following statements:
        I. Trichomonas vaginalis is a coelozoic parasite having four flagella.
       II. Nosema notabilis is a hyperparasite that produces spores with polar filament.
      III. Leishmania donovani is a cytozoic parasite having a vector host with piercing and sucking
            mouthparts.
      IV. Diplozoon paradoxum is a monogenetic parasitic having bifid intestine.
      Which of the above are true?
      (1) All except II
      (2) All except III
      (3) All except IV
      (4) All are true
64. In the life cycle of Plasmodium, exflagellation occurs in
      (1) stomach of mosquito
      (2) salivary glands of mosquito
      (3) liver cells of man
      (4) RBCs of man
65. Find the correct statement about Plasmodium vivax.
      (1) Cytoplasm of amoeboid stage contains Schuffner's dots.
      (2) Microgamete has reception cone or fertilization cone.
      (3) Flagellated body has eight flagella.
      (4) Sporozoite has hollow peripheral microtubules.
66. Budding zone in Taenia solium is
      (1) scolex
      (2) neck
      (3) strobila
      (4) head
67. Which of the following statements about nematodes is true?
      (1) Syncytial epidermis is formed by the fusion of cells in all nematodes.
      (2) Syncytial epidermis is formed by free nuclear divisions in all nematodes.
      (3) Syncytial epidermis is formed by the fusion of cells in some nematodes.
      (4) Syncytial epidermis is formed by free nuclear divisions in some nematodes.
68. Consider the following statements about annelids:
        I. Development is direct in monoecious annelids.
       II. Clitellum is absent in dioecious annelids.
      III. Fertilization occurs in cocoon in all monoecious annelids.
      IV. Gonoducts are absent in dioecious annelids
      Which of the above statements are correct?
      (1) I, II and III only
      (2) I, II and IV only
      (3) I, III and IV only
      (4) I, II, III and IV
69. Single genital pore is situated at the posterior end of the body in
      (1) Scolopendra and Spirostreptus
      (2) Lepisma and Scolopendra
      (3) Julus and Pediculus
      (4) Scutigera and Palaemon
70. Both osphradium and radula are present in
      (1) Unio
      (2) Chiton
      (3) Sepia
      (4) Pila
71. Consider the following statements:
        I. Cells are present but nerve cells are absent in sponges.
       II. Nerve cells are present but nerves are absent in jelly fish.
      III. Nerves are present but brain is absent in star fish.
      IV. Brain is present but brain case is absent in devil fish.
      Which of the above are true?
      (1) All except II
      (2) All except III
      (3) All except IV
      (4) All are true
72. Spines are present but pedicillariae are absent in
      (1) Antedon
      (2) Asterias
      (3) Holothuria
      (4) Ophiothrix
73. Influence of light on locomotory speed of animals is called
      (1) phototaxis
      (2) phototropism
      (3) photoperiodism
      (4) photokinesis
74. Thermal migration is exhibited by
      (1) Poikilotherms only
      (2) Homeotherms only
      (3) Eurythermal animals only
      (4) Both poikilotherms and homeotherms
75. Arrange the following in the increasing order of complexity
      A. Biome B. Population C. Biosphere D. Community
      (1) B, A, D, C       
      (2) B, D, A, C
      (3) D, B, A, C
      (4) B, D, C, A
76. Kanha National Park is present in
      (1) Madhya Pradesh
      (2) Maharashtra
      (3) Rajasthan
      (4) Uttaranchal
77. Force that acts against maximum population growth is
      (1) biotic potential
      (2) high natality
      (3) exponential growth
      (4) environmental resistance
78. Study the following about minor air pollutants:
            Pollutant             Source                               Effect
        I. Tetraethyl lead  Automobile exhaust       Minimata disease
       II. Methane             Brick kilns                        Global warming
      III. Benzopyrene     Cigarette smoke              Cancer
      IV. Pollen grains       Plants like Parthenium  Cyanosis
      Which of the above are correct?
      (1) I and II       
      (2) I and III
      (3) III and IV
      (4) II and III
      Study the following:
      Drug                   Obtained From Used in treatment of
        I. Vinblastin    Vinca                   Cancer
       II. Quinine       Cinchona tree    Malaria
      III. Digitalin      Foxglove plant  Chronic heart trouble
      IV. Morphine    Poppy plant       Hypertension
      Which of the above are true?
      (1). Only II and III
      (2). Only I, II and III
      (3). Only II, III and IV
      (4). All are true
79. Study the following:
      Pollutant              Source                                           Effect
        I. Lead               Pesticide industries                     Anaemia
       II. Silver             Photographic laboratory waste Arrhythmia
      III. Cadmium     Electroplating Industries            Kidney necrosis
      IV. Arsenic          Pesticide industries                      Muscular atrophy
      Which of the above are true?
      (1) All except I
      (2) All except II
      (3) All except III
      (4) All are true
      Find the wrong match:
      (1) Red Panda Ailurus ochraceus
      (2) Kashmiri stag Cervus elephus hangalu
      (3) Siberian crane Grus lceuogeranus
      (4) Pigmy hog Sus scorfa
80. Find the incorrect statement.
      (1) Methyl chloroform is an industrial chemical that acts as ozone depleting substance (ODS).
      (2) Methyl mercury is an ODS that has comparatively a less damaging effect on the ozone in
            the Stratosphere.
      (3) Dimethyl mercury is a secondary pollutant formed by the action of anaerobic
             microorganisms on mercury
      (4) Trimethylamine oxide is stored by cartilaginous fishes in their blood to make their body              fluids hypertonic.
      Antihypertensive drug is obtained from
      (1) poppy plant
      (2) vinca
      (3) foxglove plant
      (4) sarpagandha

                                     KEY

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