Consider the following statements :

1. Moringa (drumstick tree) is a leguminous evergreen tree.

2. Tamarind tree is endemic in South Asia.

3. In India, most of the tamarind is collected as minor forest produce.

4. India exports tamarind and seeds of moringa.

5. Seeds of moringa and tamarind can be used in the production of biofuels,

Which of the statements given above are correct?  

The black cotton soil of India has been formed due to the weathering of

With reference to the Indus river system, of the following four rivers, three of them pour into one of them which joins the Indus direct. Among the following, which one is such river that joins the Indus direct? 

With reference to India, Didwana, Kuchaman, Sargol and Khatu are the names of