Consider the following statements with respect to angiosperms.
(a) Male sex organ in a flower is the stamen
(b) Anthers following mitosis produce pollen grains
(c) In an embryo sac, the primary endosperm nucleus (PEN) is diploid
(d) After double fertilization, ovules develop into seeds and ovaries into fruits
Of the above statements

Q. How many of the following statements are valid to angiosperms?
I. The ovules mature into seeds, whereas the ovaries develop into the fruits.
II. The primary endosperm nucleus, which is present in the embryonic sac, is diploid.
III. Stamen is the male reproductive part of a flower.

Q. Which of the following statements are correct for sexually reproducing flowering plants?
(a) Formation of diploid zygote is a universal feature.
(b) Zygote is formed inside the ovule.
(c) Ovule develops into an embryo.
(d) The ovary develops into a seed.

Q. Following double fertilisation, events of endosperm and embryo development, maturation of ovules into seeds and ovary into fruit, are collectively termed as

Q. Consider the following statements with respect to the flowering plants and choose the correct option.
(a) Pollen grains represent the male gametes
(b) Functional megaspore develops into embryo sac that represents the female gamete
(c) Transfer of pollen grains from anther to stigma of different plants is known as xenogamy
(d) Transfer of pollen grains from anther to stigma or another flower of the same plant is known as geitonogamy.

Q. Which among the following statements are true regarding reproductive structures in a flower?
(i) Ovule contains the egg cell
(ii) Ovaries develop into seeds
(iii) An ovule develops into a fruit
(iv) Pollination is the transfer of pollen from anther to stigma