which of the following have persistent endosperm in seed

1. What is persistent endosperm?
2. In which plant endosperm persist in mature seeds?
3. Which of the following lacks persistent endosperm?
4. Is endosperm persistent in Pea?
5. What is the function of a endosperm?
6. Is endosperm persistent in rice?
7. What is the stage of embryo found in mature seed?
8. What is the endosperm?
9. What is Polyembryony in plants?
10. What is endosperm and its types?
11. What is primary endosperm nucleus?
12. What is ploidy of endosperm?

What is persistent endosperm?

Cereal crops are grown for their edible grains or fruits. ... In this case of cereals, endosperms are persistence. In normal cases, endosperms are found surrounded over the embryo and supplies nutrients for the growth of embryo in the form of starch. Example: As we known wheat is a cereal plant.

In which plant endosperm persist in mature seeds?

In some groups (e.g. grains of the family Poaceae) the endosperm persists to the mature seed stage as a storage tissue, in which case the seeds are called "albuminous" or "endospermous", and in others it is absorbed during embryo development (e.g., most members of the family Fabaceae, including the common bean, ...

Which of the following lacks persistent endosperm?

In monocots and castor bean (dicots) embryo does not consume all endosperm. So it persists in the mature seed. Such seeds are called as endospermic or albuminous seeds.

Is endosperm persistent in Pea?

Complete answer:

Such seeds in which no endosperm left are called as non-endospermous seeds or exalbuminous seeds. . Some examples are: beans, pea, groundnut and green gram. In this type of plant food is stored in dicot seeds. But in some dicots like castor, maize etc, food is stored in endosperm.

What is the function of a endosperm?

The endosperm plays an important role in supporting embryonic growth by supplying nutrients, protecting the embryo and controlling embryo growth by acting as a mechanical barrier during seed development and germination.

Is endosperm persistent in rice?

Yes, endosperm is persistent in wheat, rice and maize. Endosperms are usually tissues produced in seeds of few flowering plants.

What is the stage of embryo found in mature seed?

Plant embryogenesis is a process that occurs after the fertilization of an ovule to produce a fully developed plant embryo. This is a pertinent stage in the plant life cycle that is followed by dormancy and germination.

What is the endosperm?

Endosperm, tissue that surrounds and nourishes the embryo in the seeds of angiosperms (flowering plants). In some seeds the endosperm is completely absorbed at maturity (e.g., pea and bean), and the fleshy food-storing cotyledons nourish the embryo as it germinates.

What is Polyembryony in plants?

Polyembryony in Plants

The production of two or more than two embryos from a single seed or fertilized egg is termed as Polyembryony. In plants, this phenomenon is caused either due to the fertilization of one or more than one embryonic sac or due to the origination of embryos outside of the embryonic sac.

What is endosperm and its types?

In angiosperms the endosperm is a special tissue which is formed as a result of vegetative fertilization, triple fusion or fusion of a male gamete with diploid secondary nucleus of the central cell. ... Depending upon the mode of its formation, angiospermic endosperm is of three types— nuclear, cellular and helobial.

What is primary endosperm nucleus?

: the nucleus formed by the fusion of two polar nuclei in the embryo sac of a seed plant prior to fertilization. — called also secondary nucleus.

What is ploidy of endosperm?

Endosperm is triploid (3n) in most of the angiospermic plant as two polar nuclei fuse with a male gamete and three of them are haploid. But the number varies from 2n to 15n in different species.