• 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 groups of bacteria which have the ability to fix nitrogen from air to soil are

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

ANSWER DOWNLOAD EXAMIANS APP

Microbiology of Soils
Bacteria, as a group, are responsible for

all of these
nitrogen oxidation
sulfur oxidation
nitrogen fixation

ANSWER DOWNLOAD EXAMIANS APP

Microbiology of Soils
In the process of nitrogen fixation, which of the following microorganism is involved?

Non symbiotic and symbiotic microorganisms only
None of these
Non symbiotic microorganisms only
Symbiotic microorganisms only

ANSWER DOWNLOAD EXAMIANS APP

Microbiology of Soils
The diagnostic enzyme for denitrification is

nitrate reductase
nitro oxidoreductase
none of these
nitrate oxidase

ANSWER DOWNLOAD EXAMIANS APP

Microbiology of Soils
Which of the following fungi on infecting crop roots can improve their uptake of phosphorus and other nutrients?

VA Mycorrhiza
Aspergillus niger
Candida torulopsis
Saccharomyces cerevisiae

ANSWER DOWNLOAD EXAMIANS APP

Microbiology of Soils
An example of a symbiotic nitrogen fixer is

Azotobacter
Rhizobium
Clostridium
Beijerinckia

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
↑