Which one of the following major river basins of India is the shortest in length and smallest in terms of catchment area?  

Arabian Sea records higher salinity than the Bay of Bengal because

Which one of the following sites does not have coral reef formation?  

Which of the following statement are appropriate of Mangrove sites? 

1) Mangrove plants require appropriate mix of saline water and freshwater.

2) Mangrove plants require mudflats to enable it to grow and develop.

3) Mangrove plants are found in the inter-tidal zones of sheltered coasts.

4) Mangrove vegetation has been reported in all the coastal States including Andaman and Nicobar Islands.

Select the correct answer using the code given below.

Which one of the following pairs is not correctly matched?