In potato tubers, reserve food is starch. It is stachyose in Stachys $(Chinese\,\, artichoke)$ tubers. It Jerusalem artichoke $(Helianthus\,\, tuberosus)$, the reserve food is in the form of fan shaped crystals composed of

Seeds are dispersed by wind in

Assertion : In hemianatropous ovule, the funicle lies parallel to body of ovule.
Reason : Here, body of ovule is rotated by $90^o$.