Sexual Reproduction In Flowering Plants

Question

A plant breeder wishing to prevent self-pollination removes the anthers from a bisexual flower before the pollen matures and is released.

RankGuru · Accepted Answer

Artificial hybridization is an important crop-improvement tool outlined in NCERT Class 12, Chapter 2 (Sexual Reproduction in Flowering Plants). When the female parent bears bisexual flowers, the removal of anthers before the anther dehisces is called emasculation, and it ensures that the flower cannot self-pollinate. This guarantees that any seed set results from controlled cross-pollination by the breeder's chosen pollen. Bagging is incorrect because it refers to covering the emasculated flower with a butter-paper bag to prevent contamination by unwanted pollen, a step that follows emasculation rather than replacing it. Hybridization is the overall goal of crossing two selected parents and is too broad to name this specific step. Pollen storage refers to preserving pollen for later use and is unrelated to anther removal. A logical check supports the answer: stopping self-pollination in a bisexual flower demands physical removal of the male parts, which is precisely what emasculation achieves before pollen is shed.

Sexual Reproduction In Flowering Plants

Select the correct option:

🔒 Solution Hidden from View

More reproduction Practice Questions

Following double fertilization in an angiosperm ovule, which chromosomal status correctly describes ...

In certain Citrus and mango varieties, seeds are observed to give rise to several seedlings that are...

Wind-pollinated grasses typically produce enormous quantities of pollen compared with insect-pollina...

During the development of a mature anther, the innermost wall layer that nourishes the developing po...

If a single megaspore mother cell undergoes meiosis to form a typical embryo sac, how many functiona...

Which sexually transmitted infection is caused by a virus that targets immune cells and currently ha...

Amniocentesis, a foetal diagnostic test, is being legally banned for one particular misuse despite i...

After fertilization in the fallopian tube, at which developmental stage does the human embryo normal...

The hormone detected by most home pregnancy test kits is secreted by the developing placenta to sust...

Within the seminiferous tubules of the human testis, which cells provide nutrition and structural su...

Spermatogenesis in a healthy adult male produces how many functional sperm from each diploid primary...

Considering a regular 28-day menstrual cycle, the secretory phase of the uterine endometrium is prin...

About This Question

Solution