NEET-XII-Biology

Bio year:2018

with Solutions - page 2

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  • Qstn #105
    The Golgi complex participates in
    (1) Fatty acid breakdown
    (2) Formation of secretory vesicles
    (3) Respiration in bacteria
    (4) Activation of amino acid
    digAnsr:   2
    Ans : (2)
  • Qstn #106
    In stratosphere, which of the following element acts
    as a catalyst in degradation of ozone a release of
    molecular oxygen ?
    (1) Carbon
    (2) Cl
    (3) Fe
    (4) Oxygen
    digAnsr:   2
    Ans : (2)
  • Qstn #107
    Which of the following is a secondary pollutant
    (1) CO
    (2) ``CO_2``
    (3) ``SO_2``
    (4) ``O_3``
    digAnsr:   4
    Ans : (4)
  • Qstn #108
    Niche is
    (1) all the biological factors in the organism
    environment
    (2) the physical space where an organism live
    (3) the range of temperature that the organism
    needs to live
    (4) the functional role played by the organism
    where it lives
    digAnsr:   4
    Ans : (4)
  • Qstn #109
    Natality refers to
    (1) Death rate
    (2) Birth rate
    (3) Number of individuals leaving the habitat
    (4) Number of individuals entering a habitat
    digAnsr:   2
    Ans : (2)
  • Qstn #110
    What type of ecological pyramid would obtained
    with the following data ?
    Secondary consumer : 120 g
    Primary consumer : 60 g
    Primary producer : 10 g
    (1) Inverted pyramid of biomass
    (2) Pyramid of energy
    (3) Upright pyramid of numbers
    (4) Upright pyramid of biomass
    digAnsr:   1
    Ans : (1)
  • Qstn #111
    World Ozone Day is celebrated on
    (1) ``5^{th}`` June
    (2) ``21^{st}`` April
    (3) ``16^{th}`` September
    (4) ``22^{nd} April``
    digAnsr:   3
    Ans : (3)
  • Qstn #112
    Which of the following is commonly used as a vector
    for introducing a DNA fragment in human
    lymphocytes ?
    (1) Retrovirus
    (2) Ti plasmid
    (3) ``\gamma`` phage
    (4) pBR 322
    digAnsr:   1
    Ans : (1)
  • Qstn #113
    In India, the organisation responsible for assessing
    the safety of introducing genetically modified
    organisms for public use is
    (1) Indian Council of Medical Research (ICMR)
    (2) Council for Scientific and Industrial Research
    (CSIR)
    (3) Research Committee on Genetic Manipulation
    (RCGM)
    (4) Genetic Engineering Appraisal Committee
    (GEAC)
    digAnsr:   4
    Ans : (4)
  • Qstn #114
    A 'new variety of rice was patented by a foreign
    company though such varieties have been present
    in India for a long time. This is related to
    (1) Co-667
    (2) Sharbati Sonora
    (3) Lerma Rojo
    (4) Basmati
    digAnsr:   4
    Ans : (4)
  • Qstn #115
    Select the correct Match :
    (1) Ribozyme - Nucleic acid
    (2) ``F_2`` × Recessive parent - Dihybrid cross
    (3) T.H. Morgan - Transduction
    (4) G. Mendel - Transformation
    digAnsr:   1
    Ans : (1)
  • Qstn #116
    Use of bioresources by multinational companies and
    organisations without authorisation from the
    concerned country and its peoople is called
    (1) Bio-infringement
    (2) Biopiracy
    (3) Biodegradation
    (4) Bioexploitation
    digAnsr:   2
    Ans : (2)
  • Qstn #117
    The correct order of steps in Polymerase Chain
    Reaction (PCR) is
    (1) Extension, Denaturation, Annealing
    (2) Annealing, Extension, Denaturation
    (3) Denaturation, Extension, Annealing
    (4) Denaturation, Annealing, Extension
    digAnsr:   4
    Ans : (4)
  • Qstn #118
    Secondary xylem and phloem in dicot stem are
    produced by
    (1) Apical meristems
    (2) Vascular cambium
    (3) Phellogen
    (4) Axillary meristems
    digAnsr:   2
    Ans : (2)
  • Qstn #119
    Pneumatophores occur in
    (1) Halophytes
    (2) Free-floating hydrophytes
    (3) Carnivorous plants
    (4) Submerged hydrophytes
    digAnsr:   1
    Ans : (1)