Biology Activity: Embryogenesis

Biology activity, aimed at first-year high school students, with questions developed about embryogenesis.

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SCHOOL: DATE:

PROF: CLASS:

NAME:

Embryogenesis

1) In the fertilization of the egg of a plant with ovary in the flower, the two spermatic nuclei fuse, in the embryo sac, with:
a) The nucleus of an antipode cell and the nucleus of a synergid
b) The core of the oosphere and the core of a synergid
c) The polar nuclei and the oosphere nucleus
d) The nucleus of the oosphere and the nucleus of an antipode cell
e) The polar nuclei and the nucleus of a synergid

2) In seeds, when winged expansions occur, it is likely that they will be disseminated:

a) by the wind
b) By water
c) by the animals
d) By water and animals

3) Eggs that, after being fertilized, present partial discoidal segmentation, are of the type:
a) Oligoletide
b) heterolecite
c) Tellect
d) Centrolecito
e) Alecito

4) The correct sequence of stages in the development of an amphibian embryo is:
a) Morula, blastula, gastrula
b) Blastula, morula, gastrula
c) Morula, gastrula, blastula
d) Gastrula, blastula, morula
e) Blastula, gastrula, morula

5) The notochord, a longitudinal dorsal cord that serves as the support axis of the chordate embryo, forms:
a) In the blastula stage
b) In the morula phase
c) In the gastrula stage, from the roof of the archenteron
d) In the gastrula stage, from mesoderm
e) In the gastrula stage, from the ectoderm

Per Camila Farias.

At answers are in the header link.

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