Botany: alteration of generations and developmental trends

Question 1

Gametophyte generation

Answer 1

the part of a plant life cycle that gives rise to the sex cells and that has haploid nuclei

Question 2

Sporophyte generation

Answer 2

the spore capsule that grows from a gametophyte

Question 3

Meiosis

Answer 3

type of nuclear division associated with sexual reproduction, producing four haploid cells from a single diploid cell, the process involving two cycles of division.

Question 4

Mitosis

Answer 4

type of nuclear division where two daughter cells are produced from one parent cell with no change in chromosome number

Question 5

Haploid

Answer 5

cell nucleus containing one type of each chromosome

Question 6

Diploid

Answer 6

cell nucleus containing two of each chromosome type in homologous pairs and formed as a result of sexual reproduction

Question 7

Fertilization

Answer 7

fusion of male and female gametes to give rise to zygote and then subsequently develops into a new organism

Question 8

Germination

Answer 8

process by which an organism grows from a seed or similar structure

Question 9

Sexual reproduction

Answer 9

method of reproduction involving fusion of haploid gametes to form diploid zygote. Zygote develops into new individual organism - in the life of history of this development meiosis takes place to form haploid gametes.

Question 10

Asexual reproduction

Answer 10

process by which organisms multiply without formation and fusion of specialized sex cells (gametes)