Solved papers for NEET Biology NEET PYQ-Secondary Growth

done NEET PYQ-Secondary Growth Total Questions - 13

• question_answer1) The periderm includes:               [AIPMT 1998]
  A)
  cork
  done clear
  B)
  cambium          
  done clear
  C)
  secondary phloem
  done clear
  D)
  all of these        
  done clear
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• question_answer2) For a critical study of secondary growth in plants, which one of the following pairs is suitable: [AIPMT (S) 2007]
  A)
  Sugarcane and sunflower            
  done clear
  B)
  Teak and pine
  done clear
  C)
  Deodar and fem                         
  done clear
  D)
  Wheat and maiden hair fern
  done clear
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• question_answer3) Vascular tissues in flowering plants develop from [AIPMT (S) 2008]
  A)
  phellogen
  done clear
  B)
  plerome
  done clear
  C)
  periblem
  done clear
  D)
  dermatogen
  done clear
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• question_answer4) Heartwood differs from sapwood in [AIPMT (S) 2010]
  A)
  presence of rays and fibres
  done clear
  B)
  absence of vessels and parenchyma
  done clear
  C)
  having dead and non-conducting elements
  done clear
  D)
  being susceptible to pests and pathogens
  done clear
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• question_answer5) The cork cambium, cork and secondary cortex are collectively called      [AIPMT (S) 2011]
  A)
  phellogen
  done clear
  B)
  periderm
  done clear
  C)
  phellem
  done clear
  D)
  phelloderm
  done clear
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• question_answer6) The common bottle cork is a product of [AIPMT (S) 2012]
  A)
  dennatogen
  done clear
  B)
  phellogen
  done clear
  C)
  xylem
  done clear
  D)
  vascular cambium
  done clear
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• question_answer7) Age of a tree can be estimated by [NEET 2013]
  A)
  its height and girth
  done clear
  B)
  biomass
  done clear
  C)
  number of annual rings
  done clear
  D)
  diameter of its heartwood
  done clear
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• question_answer8) You are given a fairly old piece of dicot stem and a dicot root. Which of the following anatomical structures will you use to distinguish between the two?                                             [NEET 2014]
  A)
  Secondary xylem
  done clear
  B)
  Secondary phloem
  done clear
  C)
  Protoxylem
  done clear
  D)
  Cortical cells
  done clear
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• question_answer9) Vascular bundles in monocotyledons are considered closed because     [NEET 2015]
  A)
  a bundle  surrounds each bundle
  done clear
  B)
  cambium is absent
  done clear
  C)
  there are no vessels with perforations
  done clear
  D)
  xylem is surrounded ail around by phloem
  done clear
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• question_answer10) The vascular cambium normally gives rise to [NEET-2017]
  A)
  Periderm
  done clear
  B)
  Phelloderm
  done clear
  C)
  Primary phloem
  done clear
  D)
  Secondary xylem
  done clear
  View Answer play_arrow

• question_answer11) Secondary xylem and phloem in dicot stem are produced by                                   [NEET - 2018]
  A)
  Phellogen
  done clear
  B)
  Vascular cambium
  done clear
  C)
  Apical meristems
  done clear
  D)
  Axillary meristems
  done clear
  View Answer play_arrow

• question_answer12) Plants having little or no secondary growth are [NEET - 2018]
  A)
  Conifers            
  done clear
  B)
  Deciduous angiosperms
  done clear
  C)
  Grasses
  done clear
  D)
  Cycads
  done clear
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• question_answer13) Which of the statements given below is not true about formation of Annual Rings in trees? [NEET 2019]
  A)
  Activity of cambium depends upon variation in climate.
  done clear
  B)
  Annula ring are not prominent in trees of temperate region.
  done clear
  C)
  Annula ring is a combination of spring wood and autumn wood produced in a year.
  done clear
  D)
  Differential activity of cambium causes light and dark bands of tissue-early and late wood respectively
  done clear
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