How many bird sanctuaries are there in Tamilnadu?

Areas of marshy land not exceeding 6m depth with or without permanent water is known as

Which among the following demonstrate the relationship between conservation and development?  

In Tamilnadu,soil erosion by which agent is very common in Kambam valley?

Which of the following is a medicinal plant development area?

The land area under forest cover in Tamilnadu

Which of the following is a medicinal plants conservation area in Tamilnadu?

‘To save,to grow and to use rationally’ is the slogan of

Which method aims at restoring degraded forests by raising the native plants with community participation ?

For constant supply of forest products in a region atleast what part of an area should be under forest?