• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Microbiology of Soils

Microbiology of Soils
An example of a symbiotic nitrogen fixer is

Beijerinckia
Clostridium
Rhizobium
Azotobacter

ANSWER DOWNLOAD EXAMIANS APP

Microbiology of Soils
Which of the following microorganism use H2S as the electron donor to reduce carbon dioxide?

Chlorobium
Chromaticum
Both (a) and (b)
Rhodomicrobium

ANSWER DOWNLOAD EXAMIANS APP

Microbiology of Soils
Some microorganisms have the ability to increase the nitrogen content of soils, are called as

denitrification
nitrogen fixation
all of these
nitrification

ANSWER DOWNLOAD EXAMIANS APP

Microbiology of Soils
Which are the main source of biofertilisers?

Bacillus
None of these
Cyanobacteria
Streptococcus

ANSWER DOWNLOAD EXAMIANS APP

Microbiology of Soils
Which of the following species of different genera of bacteria are not capable of transforming nitrate to nitrogen?

Agrobacterium
Achromobacter
None of these
Alcaligenes

ANSWER DOWNLOAD EXAMIANS APP

Microbiology of Soils
The nonsymbiotic bacteria which fix nitrogen live in the soil independently are

Azotobacter
All of these
considerably less important in comparison to the symbiotic bacteria
Clostridium

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Microbiology of Soils

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑