Reproduction and Development Unit Post-Assessment (Grade 7)
External Fertilization
Internal Fertilization
Motile Gametes
External Development
Fragmentation
Two cells, each with one nucleus
Two cells, each without a nucleus
One cell with two identical nuclei
One cell without a nucleus
One large egg cell and three polar bodies
4 haploid egg cells are produced
4 diploid egg cells are produced
4 haploid sperm cells are produced
1 haploid egg cell and three polar bodies are produced
1 diploid egg cell and three polar bodies are produced
An ovarian hormone which is responsible for the building up of the uterine lining
A pituitary hormone which stimulates the growth of the follicle
A hormone which is stimulated by the follicle and is responsible for building up the uterine lining
An ovarian hormone which stimulates a follicle to produce an egg
A hormone secreted in the male testes and delivered to the female ovaries
When the sperm cell fertilizes the egg cell
When the zygote implants itself into the uterus
When the zygote divides after fertilization
During ovulation
When an early pregnancy test is positive
1:1
1:3
1:4
3:1
4:1
One egg by one sperm
One egg by two sperms
Two eggs by one sperm
Two eggs by two sperms
Two polar bodies and one sperm
A, only
B, only
A and C
B and D
All of the above
They are larger than other cells.
They can absorb broken cells and repair them.
They are undifferentiated cells that can turn into a number of different kinds of cells, as needed.
They are found only in plants.
They are only found in embryonic cells and are never found in adult cells.
Mitosis
Meiosis
Fertilization
Differentiation
Gametogenesis