144. Given below is the diagramatic sketch of a transverse section of young anther, Identify the parts labelled A, B, C and D :- A 10101 B (1) Epidermis middle layer (2) Epidermis Endothecium (3) Epiblema Tapetum (4) Epidermis middle layer B D Endothecium Tapetum Middle layer Tapetum Middle layer Endothecium Endothecium Tapetum 145. A flower of pea has ten stamens, each microsporangium has 10 Pollen mother cells. How many Pollen grains are found in the flower :- (1) 960 (2) 1600 (3) 2400 (4) 2160 146. Which of the following statement is true regarding Strobilanthus kunthiana? (1) It is a perenniel plant (2) It flowers only once in life (3) Latest flowering occurs in 2006 (4) 1 & 2 both