Consider the following statements : 1. Moringa (drumstick tree) is a leguminous evergreen tree. 2. Tamarind tree is endemic to 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?

Explains a key biological trait of leguminous plants — they form symbioses with Rhizobium and other nitrogen-fixing organisms in root nodules.

A student could check whether Moringa forms root nodules or associates with Rhizobium to assess if it behaves like a legume.

States that 'leguminous plants' are commonly used as cover crops between young trees, linking the category to agronomic roles (soil protection, fertility).

One could test if Moringa is used similarly as a cover/green-manure or planted for nitrogen improvement to infer legume-like function.

Gives a concrete example (Sunhemp, Crotalaria juncea) of a Fabaceae species used as green manure and fiber crop, illustrating typical uses and traits of legumes.

Compare Moringa's fruit/seed morphology and agronomic uses to those of named Fabaceae examples to look for similarities (pods, green manure use).

Describes groundnut (Arachis) as a leguminous plant and notes its pod/bean nature and tropical distribution — an example of morphological and geographic patterns in Fabaceae.

A student could check whether Moringa produces pods/beans or shares similar tropical/subtropical cultivation patterns common to legumes.

Describes pigeon-pea (Cajanus) as a woody/annual leguminous crop with soil-improving leaves and deep roots, showing that legumes can be woody and perennial/annual.

Since Moringa is a woody tree, one could use this example to note that some legumes are woody — so Moringa being woody does not rule out Fabaceae membership; check floral/fruit/root nodule traits next.