A researcher discovers a new angiosperm species where the central cell contains four polar nuclei instead of the usual two. Assuming normal fertilization occurs, what would be the ploidy of the resulting endosperm?
3n
4n
5n
6n
Related Questions
The number of female nuclei involved in double fertilization is
1
2
3
4
How many nuclei are involved in the fusion process during double fertilization?
2
3
5
7
Vegetative fertilization is also called
Triple fusion
True fertilization
Syngamy
Generative fertilization
Which of the following is not true for double fertilization?
Discovered by Nawaschin
Male gamete and secondary nucleus fused to form endosperm nucleus
endosperm nucleus is diploid
endosperm nucleus nutrition to embryo
Vegetative fertilization leading to the formation of endosperm refers to
Fusion of male gamete with diploid secondary nucleus
Fusion of female gamete with diploid secondary nucleus
Fusion of two diploid vegetative cells
Fusion of two male gametes
During double fertilization in angiosperms, one sperm fuses with the egg cell, and the other sperm fuses with:
Synergids
Antipodal cells
Central cell
Integuments
During germination of a maize seed, which structure facilitates the transfer of nutrients to the developing embryo?
Epicotyl
Hypocotyl
Scutellum
Coleoptile
Double fertilization was discovered by
Nawaschin
Strasburger
Emerson
None of these
Pick out the wrong statement.
The arithmetic mean is always greater than or equal to the geometric mean for a set of non-negative numbers.
The geometric mean is always greater than the arithmetic mean for a set of positive numbers.
The arithmetic mean, geometric mean, and harmonic mean are equal if all the numbers in the set are identical.
For positive numbers, Arithmetic Mean ≥ Geometric Mean ≥ Harmonic Mean.
Pick out the wrong statement.
Double fertilization is unique to gymnosperms and monocotyledons
Sequoia, a gymnosperm, is one of the tallest trees
Phaeophyceae members possess chlorophyll-a, c, carotenoids and xanthophylls
Evolutionarily, pteridophytes are the first terrestrial plants to possess xylem and phloem
