Which among the following is not a producer of Iron ore?
Salem
Thiruvannamalai
Nilgiris
Namakkal
How many years does it take to make one centimeter or soil?
10
100
50
1000
Which among the following are examples of biotic resources?
Coal
Oil
Fish
None of these
Which among the following are obtained from biosphere?
Biotic
Abiotic
All the above
Which type of soil is found in Coimbatore?
Alluvial
Saline
Laterite
Red Loams
Which among the following is not a bio fuel plant?
Sivakasi
Puthukottai
Dindigal
Cuddalore
Which among the following is not a conventional energy source?
Thermal
Hydro
Atomic
Solar
What affect the rate of humus formation?
Flora
Micro organisms
Fauna
Which resources are reproduces without getting depleted?
Renewable
Non renewable
Which among the following are formed over long geological periods?
Non-renewable
