• 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
The conversion of molecular nitrogen into ammonia is known as

denitrification
nitrification
nitrogen fixation
ammonification

ANSWER DOWNLOAD EXAMIANS APP

Microbiology of Soils
Which of the following soil microorganism is involved in the reduction of sulfates to H2S?

Rhodospirillum
Rhodomicrobium
Thiobacillus thiooxidans
Desulfotomaculum

ANSWER DOWNLOAD EXAMIANS APP

Microbiology of Soils
Nitrogen fixation refers to the direct conversion of atmospheric nitrogen gas into

ATP
ammonia
glucose
nitrate

ANSWER DOWNLOAD EXAMIANS APP

Microbiology of Soils
Which of the following statement is not true about composition of biogas?

It also contains with traces of H2S, N2, H2and CO
It is composed almost exclusively of methane and carbon dioxide
It also contains with traces of O2 and Cl2
Both (a) and (b)

ANSWER DOWNLOAD EXAMIANS APP

Microbiology of Soils
The groups of bacteria which have the ability to fix nitrogen from air to soil are

none of these
nonsymbiotic
symbiotic
both (a) and (b)

ANSWER DOWNLOAD EXAMIANS APP

Microbiology of Soils
Which are the main source of biofertilisers?

Cyanobacteria
None of these
Bacillus
Streptococcus

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
↑