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Standard IX
Biology
Nitrogen Cycle
Question

The given diagram shows a part of the nitrogen cycle.
Which of the labelled arrows indicates nitrogen fixation and denitrification?
519419.PNG
  1. Nitrogen fixation : P
    Denitrification : Q
  2. Nitrogen fixation : R
    Denitrification : Q
  3. Nitrogen fixation : Q
    Denitrification : P
  4. Nitrogen fixation : R
    Denitrification : S

A
Nitrogen fixation : P
Denitrification : Q
B
Nitrogen fixation : R
Denitrification : Q
C
Nitrogen fixation : R
Denitrification : S
D
Nitrogen fixation : Q
Denitrification : P
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Solution
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Denitrification : P

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Similar Questions
Q1
The given diagram shows a part of the nitrogen cycle.
Which of the labelled arrows indicates nitrogen fixation and denitrification?
519419.PNG
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Q2
Which of the following processes releases nitrogen back into the atmosphere?
I. Nitrification
II. Denitrification
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Q3

Find the mismatched pair among the following:
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ii. Ammonification - Nitrobacter
iii. Denitrification - Azotobacter
iv. Nitrogen Fixation - Nostoc


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Q4
Match the columns and choose the correct answer.
III
(p)Thiobacillus(i)Nitrogen fixation
(q)Nitrosomonas(ii)Ammonification
(r)Azotobacter(iii)Nitrification
(s)Pseudomonas(iv)Denitrification

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Q5
Match the columns and choose the correct answer.
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p Thiobacillus denitrificans i Nitrogen fixation
q Nitrosomonas ii Ammonification
r Azotobacter iii Nitrification
s Bacillus vulgaris iv Denitrification

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