NEET UG 2023 — Sexual Reproduction in Flowering Plants

What is the function of tassels in the corn cob?

Transfer of pollen grains from anther to stigma of another flower of same plant is known as:

In which of the following sets of families, the pollen grains are viable for months?

In angiosperm, the haploid, diploid and triploid structures of a fertilized embryo sac sequentially are:

Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R): Assertion (A): A flower is defined as modified shoot wherein the shoot apical meristem changes to floral meristem. Reason (R): Internode of the shoot gets condensed to produce different floral appendages laterally at successive nodes instead of leaves. In the light of the above statements, choose the correct answer from the options given below:

Large, colourful, fragrant flowers with nectar are seen in:

In angiosperms the correct sequence of events in formation of female gametophyte in the ovule is (A) 3 successive free nuclear divisions in functional megaspores. (B) Degeneration of 3 megaspores. (C) Meiotic division in megaspore mother cell. (D) Migration of 3 nuclei towards each pole. (E) Formation of wall resulting in seven celled embryo sac. Choose the correct answer from the options given below.