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WorksheetsHuman Reproduction: past paper quest grade 12
Total questions: 21
Worksheet time: 21mins
Which ONE of the following occurs immediately after fertilisation?
The blastula, which is a hollow ball of cells, is formed by meiosis.
The morula, which is a hollow ball of cells, is formed by meiosis.
The blastula, which is a solid ball of cells, is formed by mitosis.
The morula, which is a solid ball of cells, is formed by mitosis.
The normal site of fertilization in a human female is the …
uterus
ovary.
vagina
Fallopian tube
Finger-like projections that develop from the outer membrane of an embryo after implantation (a)
The fluid that protects the developing foetus against mechanical injury
(a)
A hormone that stimulates puberty
Testosterone
Oestrogen
Oestrogen and Testosterone
Neither
A structure in a male reproductive system that transports both semen and urine is the...
A epididymis
B vas deferens.
C urethra
D seminiferous tubule
The hormone that stimulates the development of the endometrium is...
A FSH
B LH
C testosterone
D oestrogen.
The process whereby an ovum is released from the ovary in humans is known as...
A ovulation
B oogenesis
C fertilisation.
D menstruation.
Surgical removal of the prostate gland may decrease the chances of reproduction in males because…
A.sperm cells can die in the acidic conditions of the vagina.
B. sperm cells produced will be abnormal and unable to move.
C. no sperm cells will be released during copulation only semen.
D. immature sperm cells will be released into the vagina.
A hormone that stimulates milk production in human females
(a)
The type of cell division that results in the formation of a morula from a zygote
(a)
The period of the development of the foetus
(a)
Two types of Fertilization
(a)
Which ONE of the following statements is CORRECT for oogenesis in humans?
One diploid mature ovum is formed
One haploid mature ovum is formed
Four diploid mature ova are formed
Four haploid mature ova are formed
The Vagina...
transports urine to the outside.
is the place where the foetus develops
produces progesterone
acts as a birth canal.
The list below gives the characteristics of some young birds immediately after hatching.
(i)Eyes are open
(ii) Can move around
(iii)Cannot feed themselves
(iv) No feathers
Which ONE of the following combinations represents the characteristics of precocial development?
(ii) and (iii) only
(iii) and (iv) only
(i) and (ii) only
(ii) and (iv) only
The structure in a sperm that contains enzymes
(a)
The site of fertilisation in the human female
(a)
The inner layer of the uterus that thickens during the menstrual cycle
(a)
A hollow ball of cells that forms during embryonic development
(a)
The period of development of secondary sexual characteristics in humans
(a)
