If '+' means ' - ', ' X ' means '+', ' - ' means '÷'

'Duns' are longitudinal valleys situated between the ______ and the Shiwaliks.

Which of the following Isopleth connects places of equal height above the sea level?

Which river of Peninsular India does not flow into the Arabian Sea?

Which river originates from Devarayanadurga hill in Karnataka and joins the Kaveri after flowing 221 km?  

With reference to river Tapi, consider the following statements:

1. It originates from Amarkantak plateau.

Which planet is known as the "Red Planet"? 

Match the following Geographical Discoveries with their respective Discoverer.

 Which of the following is/are the features of wet tropical evergreen vegetation?

1. Dense Forest with thick spread of grass.

If you travel through the shola forests of western Ghats, you are likely to see which of the following features?

1. Epiphytes like Lichens

With reference to Indian physical features, which of the statements given below is/are correct?