Which one of the following is a wrong statement?
- A$Anabaena$ and $Nostoc$ are capable of fixing nitrogen in free-living state also.
- BRoot nodule forming nitrogen fixers live as aerobes under free-living conditions.
- CPhosphorus is a constituent of cell membranes,certain nucleic acids and all proteins.
- D$Nitrosomonas$ and $Nitrobacter$ are chemo-autotrophs.
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Similar Questions
Which of the following plants is used as green manure in crop fields and in sandy soils?
Match the following and choose the correct combination from the options given.
Column $I$ Column $II$ $a.$ Potassium $(i)$ Germination of pollen grains $b.$ Molybdenum $(ii)$ Involved in synthesis of auxin $c.$ Boron $(iii)$ Involved in stomatal movement $d.$ Zinc $(iv)$ Constituent of ferredoxin $e.$ Sulphur $(v)$ Component of nitrate reductase
| Column $I$ | Column $II$ |
| $a.$ Potassium | $(i)$ Germination of pollen grains |
| $b.$ Molybdenum | $(ii)$ Involved in synthesis of auxin |
| $c.$ Boron | $(iii)$ Involved in stomatal movement |
| $d.$ Zinc | $(iv)$ Constituent of ferredoxin |
| $e.$ Sulphur | $(v)$ Component of nitrate reductase |
Medium
View SolutionNitrates of soil are also leached deep into the earth by . . . . . . .
What is nutrient immobilisation?
Medium
View SolutionSelect the mismatch.
MediumNEET 2017
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