- 1(current)
Q. No.| 1. | Aerobic nitrate oxidation, and nitrite reduction |
| 2. | Decomposition of organic nitrogen, and conversion of dinitrogen to ammonium compounds |
| 3. | Enteric fermentation in cattle, and nitrogen fixation by Rhizobium in root nodules of legumes |
| 4. | Anaerobic ammonium oxidation, and denitrification |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyRead the following four statements (I-IV):
| I. | Both, photophosphorylation and oxidative phosphorylation involve uphill transport of protons across the membrane |
| II. | In dicot stems, a new cambium originates from cells of pericycle at the time of secondary growth |
| III. | Stamens in flowers of Gloriosa and Petunia are polyandrous |
| IV. | Symbiotic nitrogen-fixers occur in a free-living state and also in soil |
How many of the above statements are right?
1. Three
2. Four
3. One
4. Two
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. convert free nitrogen to nitrogen compounds
2. convert proteins into ammonia
3. reduce nitrates to free nitrogen
4. oxidize ammonia to nitrates
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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 & BiologyStudy the cycle shown below and select the option which gives the correct words for all four blanks A, B, C, and D:
Options:
| A | B | C | D | |
| 1. | Denitrification | Ammonification | Plants | Animals |
| 2. | Nitrification | Denitrification | Animals | Plants |
| 3. | Denitrification | Nitrification | Plants | Animals |
| 4. | Nitrification | Ammonification | Animals | Plants |
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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| 1. | Bradyrhizobium | 2. | Clostridium |
| 3. | Frankia | 4. | Azorhizobium |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is a flowering plant with nodules containing filamentous nitrogen-fixing microorganism?
1. Casuarina equisetifolia
2. Crotolaria juncea
3. Cycas revoluta
4. Cicer arietinum
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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