How many types of soils are there in Tamil Nadu?
Ten
Two
Five
Four
Medicinal herbs are commonly found on _______ hills.
Anamalai
Agasthya hills
Palani hills
Chennimalai
Which among the following are obtained from biosphere?
Biotic
Abiotic
None of these
All the above
Which among the following are formed over long geological periods?
Renewable
Non-renewable
Which districts hold the largest share of forest?
Erode
Coimbatore
Chennai
Kanyakumari
Which resources are reproduces without getting depleted?
Non renewable
What affect the rate of humus formation?
Flora
Micro organisms
Fauna
What determines the thickness of soil profile?
Climate
Time
Relief
Wind
What refers to the natural wealth available on earth surface for mankind?
Resources
Forest
Water
None of above
Which among the following is not a bio fuel plant?
Sivakasi
Puthukottai
Dindigal
Cuddalore
