• BIOLOGY MCQ FOR NEET, AIIMS,JIPMER PART - 3

    BIOLOGY MCQ FOR MEDICAL ENTRANCE

    1. Sex organs in Funaria develop :
         a) in protonema  b) outside capsule c) in the axil of leaf  d) at the tip of gametophore

    2. In which portion of Cycas diploxylic vascular bundles are found :
        a) root  b) stem  c) leaflet  d) rachis and leaflet

    3. Curling of tendrils is due to :
        a) thigmotropism   b) phototropism c) chemotrophism d) nyctinasty

    4. Tropic level are formed by :
         a) plants   b) animals   c) organisms linked in food chain  d) carnivores

    5. In bacteria site of respiration is :
        a) mesosome  b) episome  c) plasmid    d) cytoplasm

    6. The use of binomial names for plant species was accepted by all after the publication of the work by :
        a) Hooker    b) Linnaeus   c) Bentham   d) Darwin

    7. Funaria gametophyte is :
        a) dioecious   b) heteroecious   c) autoecious   d) monoecious   and autoecious

    8. Cycas is :
        a) monoecious   b) bisexual  c) dioecious   d) hermaphrodite

    9. Clove is :
        a) flower bud  b) axillary bud  c) thalamus   d) ovule

    10.In which family (9)+1 androecium condition is found ?
         a) Malvaceae   b) Papilonaceae   c) solanaceae   d) poaceae

    11. Powdery mildews of crops are caused by :
          a) bacteria  b) ascomycetes  c) basidiomycetes   d) phycomycetes

    12. Abundance of a species in a population within habitat is called :
          a) niche density   b) absolute density   c) relative density   d) geographic density

    13. Desert can be converted into green land by planting :
          a) oxylophytes   b) psammophytes  c) halophytes    d) trees

    14. Porous wood contains :
          a) vessels   b) tracheids   c) fibres   d) parenchyma

    15. In rainy season , door get swelled due to :
          a) imbibition   b) diffusion  c) transpiration   d) respiration

    16. Blackman's law of limiting factor is applied to :
          a) respiration  b) transpiration  c) photorespiration  d) photosynthesis

    17. The drug bellodona is obtained from :
          a) Atropa   b) Opium     c) Rauwolffia   d) Solanum

    18. pollinia are found in :
          a) Wheat b) madar   c) mango   d) banana

    19. Which part of embryo comes out first during seed germination ?
          a) Radicle  b) Plumule    c) Hypocotyl   d) Epicotyl

    20. Monocarpic plants flower :
          a) once   b) twice   c) many times   d) never

    21. A prokaryotic cell lacks :
          a) true nucleus   b) nuclear membrane  c) membrane bound organelles  d) all of the above

    22. Induction of cell division and delay in senescence is done by :
          a) Cytokinins    b) auxins   c) GA      d) CoA

    23. Mirabilis jalpa shows  :
          a) codominance    b) incomplete dominance   c) dominance   d) complementary genes

    24. Which of the following is a single membranous structure ?
          a) Lysosome    b) Nucleus   c) Mitochondria    d) Chloroplast

    25.Brunner's glands are present in :
         a) duodenum   b) oesophagus   c) ileum   d) stomach

    26. 5th cranial nerve of Frog is called :
          a) vagus   b) trigeminal  c) optic   d) opthalmic

    27. Spindle fibres of mitotic cell are made up of :
          a) tubulin   b) actin   c) myosin   d) collagen

    28. Gemmule formation in sponges are useful :
          a) asexual reproduction  b) sexual reproduction c) partenogenesis d) parthenocarpy

    29. Which of the following is not a mental disorder ?
           a) Epilepsy    b) Neurosis  c) Psychosis   d) Plague

    30. Pollorum disease of poultry is caused by :
          a) Mycobacterium b) Salmonella c) Clostridium  d) Hemophilus

    31. Discontinuous variations are  :
         a) essential features b) acquired character c) non-essential changes d) mutations

    32. Cessation of menstrual cycle in women is called :
          a) lactation b) ovulation  c) menopause  d) parturition

    33. Acromegaly  is due to hyper secretion of  :
          a) insulin b) throxin c) growth hormone d) none of these

    34. Sella turcica is found :
          a)near pituitary  b) in bone   c) in joins d) near thyroid

    35. Major protein of connective tissue is :
          a) myosin   b) collagen  c) melanin d) keratin

    36. Toxic substance are detoxified in human body in :
          a) kidney  b) lungs  c) liver   d) stomach

    37. Outer covering of cartilage is called :
           a) perichondrium  b) periostaeum   c) endosternum   d) perilonettum

    38. The protoplasmic segment of a striated muscle fibre is termed as :
          a) sarcoplasm  b) sarcomere  c) neuromere  d) metamere

    39. Meroblastic cleavage refers to which type of division of egg ?
          a) complete  b) spiral   c) incomplete   d) horizontal

    40. Nodules with nitrogen fixing bacteria are found in :
         a) cotton  b) gram  c) mustard   d) wheat

    41. In bacteria site of respiration is :
          a) mesosome  b) episome   c) plasmid   d) cytoplasm

    42. Frame shift mutation occurs when :
          a) base is added   b) base is deleted c) base is added or deleted  d) none of these

    43. Pure line breed refers to :
          a) homozygosity   b) heterozygosity  c) linkage   d) both b and c

    44. Bud dormancy can be induced by :
         a) IAA    b) GA    c) ABA    d) Ethylene

    45. Xenia refers to effect of pollen on :
           a) endosperm   b) stems   c) taste of fruits   d) vascular tissue

    No comments:

    Post a Comment

    Hi Readers

    You are surffing on a rank holder blog .In this we write about the current information on CBSE updates.
    Enjoy your surfing Here ...

    Thank You
    Protected by Copyscape