Q. No.Study the cycle shown below and select the option which gives correct words for all the four blanks A, B, C and D –
| A | B | C | D | |
| 1. | Nitri- fication |
Ammoni- fication |
Animals | Plants |
| 2. | Denitri- fication |
Ammon- ification |
Plants | Animals |
| 3. | Nitri- fication |
Denitri- fication |
Animals | Plants |
| 4. | Denitri- fication |
Nitrif- ication |
Plants | Animals |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following is not a nitrogen-fixing organism?
1. Anabaena
2. Nostoc
3. Azotobacter
4. Pseudomonas
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe below reaction depicts
1. Reductive amination
2. Transamination
3. Action of enzyme nitrogenise
4. Formation of amide
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyNitrogen-fixing nodules on the roots of non-leguminous plants like Alnus are produced by
1. Rhizobium
2. Beijernickia
3. Azotobacter
4. Frankia
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following bacteria reduce nitrate in soil into nitrogen?
1. Nitrobacter
2. Thiobacillus
3. Nitrococcus
4. Nitrosomonas
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySelect the mismatch.
(1) Frankia Alnus
(2) Rhodospirillium Mycorrhiza
(3) Anabaena Nitrogen fixer
(4) Rhizobium Alfa-fa
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe free-living, anaerobic nitrogen-fixer is
1. Beijerinckia
2. Rhodospirillum
3. Rhizobium
4. Azotobacter
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn organism used as a biofertilizer for raising soyabean crop is
1. Azospirillum
2. Rhizobium
3. Nostoc
4. Azotobacter
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA nitrogen fixing microbe associated with Azolla in rice fields is
1. Spirulina
2. Anabaena
3. Frankia
4. Tolypothrix
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is a symbiotic nitrogen fixer?
1. Glomus
2. Azotobacter
3. Frankia
4. Azolla
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
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