Development of Embryo

Q.

Arrange the stages of embryo development in dicots from earliest to latest.

1. Heart-shaped
2. Mature embryo
3. Pro-embryo
4. Globular

Q.

True or false?
The development of monocot and dicot embryo is similar until the globular stage.

1. True

2. False

Q. Apomictic embryos in some species of asteraceae and grasses arise from:

1. Maternal sporophytic tissue in ovule
2. Haploid egg cell
3. Antipodal cells
4. Synergids

Q. Embryo develops from the ___(a)_____at the ___(b)______ of the embryo sac.

1. (a) - zygote, (b) - chalazal end
2. (a) - zygote, (b) - micropylar end
3. (a) - PEN, (b) - chalazal end
4. (a) - PEN, (b) - micropylar end

Q. The diagram given below is the V.S of maize seed. Label the parts.

1. Plumule
2. Endosperm
3. Coleoptile
4. Scutellum

Q. Apomictic embryos in some species of asteraceae and grasses arise from:

1. Antipodal cells
2. Haploid egg cell
3. Maternal sporophytic tissue in ovule
4. Synergids

Q. What is produced at the end of double fertilisation in an angiosperm?

1. Cotyledons
2. Radicle
3. Endosperm
4. Primary Endosperm Nucleus