In a particular angiosperm species, the synergids exhibit a unique filiform apparatus oriented away from the micropyle. What would be the MOST likely consequence of this unusual arrangement?
Enhanced pollen tube attraction
Faster pollen tube growth
Reduced fertilization success
Increased seed production
Related Questions
The phenomenon in which, anther and stigma grow and mature at same time is called
Homogamy
Syngamy
Allogamy
Fusion
Pollen grains are shed at which stage?
2 celled
3 celled
In majority at 2 celled, in others 3 celled
single celled stage
Continued self-pollination results in
Inbreeding depression
Out breeding depression
Hybrid vigour
Better result in offsprings
Ubisch bodies are produced by?
pollen tube
pollen grain
microspore
tapetum
Which of the following statement is true with reference to cross pollination in angiosperms?
It requires the production of a large number of pollen grains
It can fail to occur due to distance barrier
It occurs only in unisexual flowers
It most often results in high yield of plants
A typical angiosperm embryo sac at maturity is:
7-nucleate and 7-celled
8-nucleate and 8-celled
8-nucleate and 7-celled
7-nucleate and 8-celled
When pollen is transferred from anther of a flower to stigma of the another of the another flower of the same plant, it is referred to as
Allogamy
Xenogamy
Geitonogamy
Autogamy
A botanist observes a new plant species with flowers containing a single ovule per ovary, clustered in an inflorescence. Considering these characteristics, which pollination vector is LEAST likely?
Wind
Insects
Water
Birds
Which one of following represents an ovule, where the embryo sac becomes horse-shoe shaped and the funiculus and micropyle are close to each other
Circinotropous
Anatropous
Amphitropous
Atropous
