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WorksheetsKey processes of human reproduction
Total questions: 17
Worksheet time: 34mins
The weight of an ovule is ... than the weight of the sperm
greater than
the same as
less than
The number of chromosomes in a human ovule is ... than the number in a human sperm.
greater than
the same as
less than
The amount of DNA in an ovule is ... than the amount in the sperm
greater than
the same as
less than
The process when a woman's egg and a man's sperm join to form a zygote is named:
fertilization
embryo
cell division
cell specialization
How many chromosomes are in a human zygote?
23 chromosomes
46 chromosomes
46 pairs of chromosomes
no answer is correct
Chromosomes are related to:
energy
DNA
cytoplasm
no answer is correct
The genetic material in a zygote results from the combination of the genetic materials...
...of the sperm and the egg
... of the bacteria
both answers are correct
no answer is correct
In the embryonic development...
...the zygote becomes a multicellular organism
...the zygote becomes a unicellular organism
...the zygote becomes a vertebrate organism
..a sperm and an ovule joins into a zygote
All the cells in a newborn baby and the zygote have in common...
They have the same DNA
They have the same size
They have the same weight
They are completely different.
The process of cell differentiation...
lead to specialized cell types
allows multicellular organisms to organize into different tissues
allows different cells to perform different functions
all answers are correct
The weight of a human newborn baby is around...
3000 DNA
3 kilograms
3 grams
3 liters
Pick the correct answers. The embryo's cells...
... expel waste substances such as CO2.
... use oxygen and organic nutrients to obtain energy.
All answers are correct.
We humans extract the organic and inorganic nutrients from food through ...
... the digestive system
... the circulatory system
... the nervous system
no answer is correct
We humans extract the oxygen from the air through ...
... the digestive system
... the circulatory system
... the respiratory system
no answer is correct
We humans distribute the organic and inorganic nutrients to the body tissues through ...
... the digestive system
... the circulatory system
... the nervous system
no answer is correct
Choose the right order
The uterus develops inside the amniotic sac, in the mother's embryo.
The embryo develops inside the amniotic sac, in the mother's uterus
The amniotic sac develops inside the embryo, in the mother's uterus
No one is correct.
Can the human embryo obtain nutrients and remove waste substances as the human adults do?
Yes
No
