Tapetum around the pollen sac is meant for
Protection
Dehiscence
Nutrition
Mechanical support
Stigmas are large and sticky in case of
Anemophilous flowers
Hydeophilous flowers
Malacophilous flowers
Entomophilous flowers
In angiosperms, embryo sac represents.
Sporophyte
Tetrasporophyte
Male gametophyte
Female gametophyte.
The innermost layer of pollen chamber, which acts as nutritive layer is called:
Tapetum
Endothecium
Endothelium
Perisperm
Jasmine, Chrysanthemum etc is grown with the help of
Leaves
Underground stem
Roots
Sub-aerial stem
The term totipotent refers to:
The cells becoming specialized in structure and function
The partitioning of cellular materials for mitosis
The influence of one tissue on the development of other tissue
A cell containing full complement of genes
Polyembryony was first discovered by
Winkler
Maheshwari
Kashyap
Leeuwenhock
If a plant fails to develop viable seeds it could best be grown by
Cutting
Grafting
Layering
Micropropagation