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
From the statements given below choose the option that are true for a typical female gametophyte of.
(i) It is eight-nucleate and seven-celled at maturity.
(ii) It is free-nuclear during the development.
(iii) It is situated inside the integument, but outside the nucellus.
(iv) It has an egg apparatus situated at the chalazal end.
(i) and (iv)
(ii) and (iii)
(i) and (ii)
(ii) and (iv)
Autogamy can occur in a chasmogamous flower if
pollen matures before maturity of ovule
ovules mature before maturity of pollen
both pollen and ovules mature simultaneously
both anther and stigma are of equal lengths