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Select the match ones. I. nitrosomonas...

Select the match ones.
I. nitrosomonas-Nitrite to nitrate II. Thiobacillus-Denitrification.
III. Nostoc-Free-living nitrogen-fixer
IV. Azotobacter-Anaerobic nitrogen-fixer

A

I and II

B

III and IV

C

II and III

D

II and IV

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Select the match ones. I. nitrosomonas-Nitrite to nitrate ltBrgt II. Thiobacillus-Denitrification. III. Nostoc-Free-living nitrogen-fixer IV. Azotobacter-Anaerobic nitrogen-fixer

Select the correct match {:("(A) Nirosomonas - Nitrite to nitrate"),("(B) Thiobacillus - Denitrification"),("(C) Nostoc - Free-living nitrogen-fixer"),("(D) Azotobacter - Anaerobic nitrogen-fixer"):}

Select the correct match |{:(A.,"Nitrosomonas",-,"Nitrite to nitrate"),(B.,"Thiobacillus",-,"Denitrification"),(C.,"Nostoc",-,"Free-living nitrogen-fixer"),(D.,"Azotobacter",-,"Anaerobic nitrogen-fixer"):}|

Assertion: Reduction of nitrogen to ammnia by living organisms is called nitrification. Reason: Example of free-living nitrogen fixing anaerobic microbes are Azotobacter and Bijerinckia.

Which of the following statements about the nitrogen cycle are false ? 1. Rhizobium and Frankia cause nitrogen fixation in their independent free - living stage . 2. Azotobacter and Anabaena are anaerobic, symbiotic , free - living , nitrogen fixers. 3. Rhodospirillum is an aerobic , nitrogen -fixing microbe found in the root nodules of legumes . 4. Nitrobacter oxidizes nitrites to nitrates .

Nitrifying bacteria can oxididies ammonia in two stages ltbrlt I. first forming nitrite ions. II. Second forming nitrate ions. III. First forming nitrate ions. IV. second forming nitrite ions.

Match the column and choose the correct option {:("Column I","Column II"),(A."Free-livin aerobic nitrogen fixers",i."Anabaena and Nostoc"),(2."Anaerobic nitrogen",ii."Pseudomonas and Thiobacillus"),(C."Nitrogen-fixing",iii."Nitrosomonas and Nitrosococcus"),(D."Denitrifying bacteria",iv."Azotobacter and beijerinckia"),(E."Nitrigying bacteria",v."Rhodospirillum"):}

The given figure represents the Nitrogens fixation. See the diagram and select the correct option I. Nitrogenase catalyses the reaction II. The formation of ammonia is a reductive process III. One molecule of nitrogen produces two molecules of ammonia IV. Nitrate raductase catalyse the reaction V. Formation of ammonia is an oxidation process VI. One molecule of nitrogen produces one molecule of ammonia

Study the following statements and select the correct ones . (i) Methanogens are archaebacteria which fixes atmsopheric nitrogen (ii) Nostic is a filamentous blue green alga which fixes atmospheric nitrogen. (iii) Mycoplasma lack cell wall and can surive without oxygen.

Azotobacter bacterium is anaerobic/aerobic free living N_2 -fixer.

NTA MOCK TESTS-NEET MOCK TEST 11-BIOLOGY
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  13. Phenylketonuria (PKU) is an inherited disease which refers to

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  16. The blood of cockroach contains no respiratory pigment. It means that:

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  17. Select the match ones. I. nitrosomonas-Nitrite to nitrate II. Thioba...

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  18. In flowering plants archesporium gives rise to

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  19. Which of the following is a restriction endonuclease?

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