Download App

Microbes in Human Welfare — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYMicrobes in Human Welfare1 Mark
MCQ
Most famous nitrogen fixing bacterium$/$ biofertilizer is:
  • A
    Nitrobacter
  • B
    Nitrosomonas
  • C
    Nitrococcus
  • ✓
    Rhizobium
✓

Answer

Correct option: D.
Rhizobium
Rhizobium is the most well$-$known species of a group of bacteria that acts as the primary symbiotic fixer of nitrogen. These bacteria can infect the roots of leguminous plants, leading to the formation of lumps or nodules where the nitrogen fixation takes place.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "MCQ" from Microbes in Human Welfare→Microbes in Human Welfare — all question types→BIOLOGY STD 12 Science question papers→Maharashtra Board STD 12 Science question papers→Maharashtra Board question paper generator→

Similar questions

The gene that causes cancer upon mutation is called as:
→
Wings of pigeon, mosquito and bat show:
→
Which of the following statements is not correct for sickle cell anaemia?
→
Sunken stomata is the characteristic feature of
→
Which are the other equivalent norms to Euro-II norms ?
→
The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is:
→
Pyramid of number in a pond ecosystem is:
→
In genetic engineering, the antibiotics are used :
→
If in a pond there were 200 lotus plants last year and through reproduction 20 new plants are added, taking the current population to 220, what is the natality rate of the lotus for that year ?
→
Among the terms listed below, those that of are not technically correct names for a floral whorl are:
→