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Q. No.Which one of the following is wrong statement?
1. Anabaena and Nostoc are capable of fixing nitrogen in free- living state also
2. Root nodule forming nitrogen fixers live as aerobes under free-living conditions
3. Phosphorus is a constituents of cell membranes, certain nucleic acids and all proteins
4. Nitrosomonas and Nitrobacter are chemoautotrophs
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn element playing important role in nitrogen fixation is
1. molybdenum
2. copper
3. manganese
4. zinc
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. oxygen removal
2. nodule differentiation
3. expression of nif gene
4. inhibition of nitrogenase activity
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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 & BiologyWhich one of the following is not a micronutrient?
1. Molybdenum
2. Magnesium
3. Zinc
4. Boron
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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 & BiologyManganese is required in
1. nucleic acid synthesis
2. plant cell wall formation
3. photolysis of water during photosynthesis
4. chlorophyll synthesis
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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 & Biology1. 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 & BiologySelect Chapter Topics:
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