Question

24. From among the sets of terms given below, iden-
tify those that are associated with gynoecium.
(a) Stigma, ovule, embryo sac, placenta
(b) Thalamus, pistil, style, ovule
(c) Ovule, ovary, tapetum, embryo sac
(d) Egg, integument, embryo sac, nucellus
(NCERT Exemplar)​

Answer 1

Answer:

the correct answer is (a) Stigma, ovule, embryo sac, placenta

Explanation:

Stigma is a part of pistil on which pollen grain lands. Each ovary may have many ovules, which have embryo sacs in them. Placenta is a tissue/ridge inside ovary to which ovules are attached.

Stigma is a part of pistil on which pollen grain lands. Each ovary may have many ovules, which have embryo sacs in them. Placenta is a tissue/ridge inside ovary to which ovules are attached.Thalamus is the terminal part of the axis of flower which bears all floral appendages. Tapetum is the innermost layer of microsporangium while stamen is part of androecium.