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MCQs

Total Questions : 46 | Page 5 of 5 pages
Question 41. . Denitrification is carried out
  1.    usually by facultative anaerobes
  2.    predominantly by Pseudomonas spp
  3.    predominantly by Bacillus spp
  4.    all of the above
 Discuss Question
Answer: Option D. -> all of the above
Question 42. . 
Which of the following fungi on infecting crop roots can improve their uptake of phosphorus and other nutrients?
  1.    Saccharomyces cerevisiae
  2.    VA Mycorrhiza
  3.    Candida torulopsis
  4.    Aspergillus niger
 Discuss Question
Answer: Option B. -> VA Mycorrhiza
Question 43. . Syntrophism involves
  1.    exchange of nutrients between two species
  2.    exchange of nutrients among species
  3.    no exchange of nutrients between two species
  4.    no exchange of nutrients among species
 Discuss Question
Answer: Option A. -> exchange of nutrients between two species
Question 44. . Assimilative denitrification is done by
  1.    plants
  2.    fungi
  3.    prokaryotes
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these
Question 45. . Syntrophism involves
  1.    exchange of nutrients between two species
  2.    exchange of nutrients among species
  3.    no exchange of nutrients between two species
  4.    no exchange of nutrients among species
 Discuss Question
Answer: Option A. -> exchange of nutrients between two species
Question 46. . Assimilative denitrification is done by
  1.    plants
  2.    fungi
  3.    prokaryotes
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these

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