Class IX

Life cannot sustain on Mars and Venus because major component in atmosphere is
  1. oxygen
  2. carbon di oxide
  3. Nitrogen
  4. Ozone
Greenhouse gases are
  1. Industries
  2. Rhizobium
  3. Lightening
  4. All of these
The micro-organisms which helps in formation of soil is
  1. bacteria
  2. moss
  3. lichen
  4. b and c
The micro-organisms which helps in formation of soil is
  1. bacteria
  2. moss
  3. lichen
  4. b and c
Nitrogen fixation can be done by
  1. Industries
  2. Rhizobium
  3. Lightening
  4. all of above
Time Elapsed

HR : MIN : SEC
Question Answered
0
Score out of 100
0

Get Started!

we provide the best
services to our students

AmazingCounters.com Views

 

LKG - 12th

Rs 1,999  Annual
Plan
TOP