NEET Biology Mineral Nutrition In Plants Question Bank

done Nitrogen Nutrition Total Questions - 26

• question_answer1)
  Most of the plants obtain or absorb nitrogen from soil in the form of [AFMC 1975; JIPMER 1987; CPMT 1982, 84; DPMT 1990; Orissa PMT 2002; MP PMT 2005]
  A)
  Free nitrogen gas done clear
  B)
  Nitric acid done clear
  C)
  Nitrite done clear
  D)
  Nitrates done clear
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• question_answer2)
  Which of the following deficiency may cause the reduction in the growth of leaves
  A)
  Nitrogen done clear
  B)
  Sodium done clear
  C)
  Manganese done clear
  D)
  Iron done clear
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• question_answer3)
  The possibility of increase of infectious disease become more due to more supply of
  A)
  Potassium done clear
  B)
  Magnesium done clear
  C)
  Copper done clear
  D)
  Nitrogen done clear
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• question_answer4)
  Cell elongation is adversely affected by
  A)
  Sodium done clear
  B)
  Cobalt done clear
  C)
  Manganese done clear
  D)
  Nitrogen done clear
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• question_answer5)
  Nitrogen is a component of
  A)
  Protein done clear
  B)
  Chlorophyll done clear
  C)
  Nucleic acid done clear
  D)
  All the above done clear
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• question_answer6)
  An important essential element is necessary in plants for protein synthesis [MP PMT 1991]
  A)
  Calcium done clear
  B)
  Phosphorus done clear
  C)
  Magnesium done clear
  D)
  Nitrogen done clear
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• question_answer7)
  Element required by plant in large quantity is [CPMT 1984, 85; DPMT 1992]
  A)
  Nitrogen done clear
  B)
  Calcium done clear
  C)
  Sulphur done clear
  D)
  Phosphorus done clear
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• question_answer8)
  Nitrogen is an important constituent of  [MP PMT 1994, 2002]
  A)
  Proteins done clear
  B)
  Lipids done clear
  C)
  Carbohydrates done clear
  D)
  Polyphosphates done clear
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• question_answer9)
  One of the ways in which the nitrogen of atmosphere is converted into nitrate for plants is by the action of
  A)
  Temperature done clear
  B)
  Lightning done clear
  C)
  Denitrifying bacteria done clear
  D)
  Decay done clear
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• question_answer10)
  Which one of the following plant cannot fix atmospheric nitrogen directly
  A)
  Bean done clear
  B)
  Castor done clear
  C)
  Gram done clear
  D)
  Pea done clear
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• question_answer11)
  Ammonium sulphate is
  A)
  Enzyme done clear
  B)
  Fertilizer done clear
  C)
  Weed killer done clear
  D)
  Pesticide done clear
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• question_answer12)
  Which one of the following can fix atmospheric nitrogen directly
  A)
  Pea done clear
  B)
  Brassica done clear
  C)
  Castor done clear
  D)
  Petunia done clear
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• question_answer13)
  Members of bean family are particularly important for rotation of crop, because
  A)
  They add green manure done clear
  B)
  They add nitrates to soil done clear
  C)
  They make soil porous done clear
  D)
  They add calcium to soil done clear
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• question_answer14)
  Nodules with nitrogen fixing bacteria are present  in [AFMC 2001; CPMT 2003]
  A)
  Cotton done clear
  B)
  Gram done clear
  C)
  Wheat done clear
  D)
  Mustard done clear
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• question_answer15)
  Legume plants are important because they [CPMT 2002]
  A)
  Help in \[N{{O}_{2}}\] fixation done clear
  B)
  Not help in \[N{{O}_{2}}\] fixation done clear
  C)
  Increased soil fertility done clear
  D)
   All of these done clear
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• question_answer16)
  Knot like bodies known as 'nodules' found in the roots of groundnut plant are produced by [BHU 2003]
  A)
  Azospirillum done clear
  B)
  Azotobacter done clear
  C)
  Pseudomonas done clear
  D)
  Rhizobium done clear
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• question_answer17)
  Nitrogen fixation means [MHCET 2003]
  A)
  \[{{N}_{2}}\] changes in \[NO_{3}^{-}\] done clear
  B)
  \[{{N}_{2}}\] changes in \[N{{H}_{3}}\] done clear
  C)
  \[NO_{2}^{-}\] change into nitrates done clear
  D)
  None of these done clear
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• question_answer18)
  Which of the following is a fertilizer
  A)
  Ammonium chloride done clear
  B)
  Urea done clear
  C)
  Calcium citrate done clear
  D)
  Calcium carbonate done clear
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• question_answer19)
  Fertilizers have a formula written in a set of three figures 8 - 10- 22. What for does it stand
  A)
  % of Ca, Mg, P done clear
  B)
  % of N, S, P done clear
  C)
  % of N, P, K done clear
  D)
  % of Fe, Mg, K done clear
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• question_answer20)
  Symbiotic microorganism is [MP PMT 2003; AIEEE 2004]
  A)
  Clostridium done clear
  B)
  Azotobacter done clear
  C)
  Rhizobium done clear
  D)
  Chromatium done clear
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• question_answer21)
  Nif genes occur in [CPMT 2004]
  A)
  Rhizobium done clear
  B)
  Aspergillus done clear
  C)
  Penicillium done clear
  D)
  Streptococcus done clear
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• question_answer22)
  Nitrates are converted to nitrogen by [Pb. PMT 2004]
  A)
  Nitrogen fixing bacteria done clear
  B)
  Ammonification bacteria done clear
  C)
  Denitrifying bacteria done clear
  D)
  Nitrifying bacteria done clear
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• question_answer23)
  Symbiotic nitrogen fixation in non-leguminous plant is carried out by [Orissa JEE 2005]
  A)
  Azotobacter done clear
  B)
  Brodyrhizobiun done clear
  C)
  Clostridium done clear
  D)
  Frankia done clear
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• question_answer24)
  The conversion of ammonia into nitrites and nitrates is called   [J&K CET 2005]
  A)
  Ammonification done clear
  B)
  Nitrification done clear
  C)
  Denitrification done clear
  D)
  All of these done clear
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• question_answer25)
  Which of the following pigments is essential for nitrogen fixation by leguminous plants [HP PMT 2005]
  A)
  Anthocyanin done clear
  B)
  Phycocyanin done clear
  C)
  Phycoerythrin done clear
  D)
  Leghaemoglobin done clear
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• question_answer26)
  \[{{N}_{2}}\] fixation is [Orissa JEE 2005]
  A)
  \[{{N}_{2}}\to N{{H}_{3}}\] done clear
  B)
  \[{{N}_{2}}\to N{{O}_{3}}\] done clear
  C)
  \[{{N}_{2}}\to \]Amino acid done clear
  D)
  Both [a] and [b] done clear
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