A dicotyledonous plant bears flowers, but never produces fruits and seeds. The most probable cause for the above situation is
plant is dioecious and bears only pistillate flowers
plant is dioecious and bears both pistillate and staminate flowers
plant is monoecious
plant is dioecious and bears only staminate flowers
The outermost and innermost wall layers of microsporangium in an anther are respectively.
Endothecium and tapetum
Epidermis and endodermis
Epidermis and middle layer
Epidermis and tapetum
During microsporogenesis, meiosis occurs in
endothecium
microspore mother cells
microspore tetrads
pollen grains
From among the sets of terms given below, identify those that are associated with the gynoecium.
Stigma, ovule, embryo sac, placenta
Thalamus, pistil, style, ovule
Ovule, ovary, embryo sac, tapetum
Ovule, stamen, ovary, embryo sac
Starting from the innermost part, the correct sequence of parts in an ovule are
egg, nucellus, embryo sac, integument
egg, embryo sac, nucellus, integument
embryo sac, nucellus, integument, egg
egg, integument, embryo sac, nucellus