Sexual Reproduction in Flowering Plants

In the given diagram of pollen grain, identify the labels 'A' and 'B'

Which one of the following is of great significance in horticulture?

During embryonal development in angiosperms, hypocotyl and a part of the radicle is formed by the lower tier of cells of the octant, whereas the other part of the radicle and root cap are formed by ____.

Which one of the following is INCORRECT about double fertilization in angiosperms?

Match the categories of apomixis given in Column I with examples given in Column II. Column- IColumn-IIA) Non-recurrentI) LemonB) AdventiveII) NicotianaC) RecurrentIII) TaraxacumChoose the correct option.

Which is NOT a common example of adventive polyembryony?

Repeated nuclear division without formation of cell wall and appearance of large central vacuole pushing the newly formed nuclei towards the periphery is observed in ________ endosperm.

Which of the following is INCORRECT for recurrent apomixis?

In adventive polyembryony, an embryo develops directly from the diploid cell of ------------------------------.

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R). Assertion (A): Cleavage polyembryony is found in Citrus Reason (R): In Cleavage polyembryony, the zygote divides to…

Which one of the following is INCORRECT about non-recurrent apomixis?

Given below are two statements. Statement I - Adventive embryony gives rise to a condition called polyembryony. Statement II - Generally, Nicotiana plants produced by non-recurrent apomixis are sterile and do not…