Epiphytes like Vanda develop special layer of absorptive tissue velamen consiting of $4 $ or  $5$  layers of long polygonal cells. Velamen is formed by

Part of Gynoecium which receives the pollen is called

The edible dry fruit 'chilgoza' is

Spiral phyllotaxy in which sixth leaf lies above the first one after completing two circles is

The fruits and seeds which are either sticky, have different types of outgrowths are capable of undergoing

The fruit is chambered, developed from inferior ovary and has seeds with succulent testa in