Living Environment-Reproduction Unit Exam Questions
and Answers 2023 with complete solution
A large number of sperm cells are produced by males every day. This large number of
sperm cells increase the chance that...
some of the sperm cells will reach the egg
Which structure is correctly paired with its function?
B-produces and released the egg
changes in the genetic code of a human can be transmitted to offspring if they occur
in...
gametes
which cell is normally produced as a direct result of meiosis?
a sperm having half the normal species number of chromosomes
Toxins can harm a developing fetus. They usually enter the fetus by the process of...
diffusion across placental membranes
Which of the following hormones does not directly regulate human reproductive cycles...
insulin, progesterone, estrogen or testosterone
Insulin
the direct source of ATP for the development of a fetus is...
a series of chemical activities that take place in the mitochondria of fetal cells
The graph shows the relative concentrations of certain hormones in the blood stream
during the human female reproductive cycle. Which hormone has the lowest
concentration on which day...
Hormone B on day 2
Hormone A on day 4
Hormone C on day 12
Hormone D on day 20
Hormone B on day 2
Which of the following processes usually results in offspring that exhibit new genetic
variations?
...B
Which statement about the gametes represented in the diagram below is correct?
They are produced by mitosis
They are fertilized in an ovary
They transport genetic material
They are produced by females
They transport genetic material
The diagram below represents a nucleus containing the normal chromosome number
for a species.
and Answers 2023 with complete solution
A large number of sperm cells are produced by males every day. This large number of
sperm cells increase the chance that...
some of the sperm cells will reach the egg
Which structure is correctly paired with its function?
B-produces and released the egg
changes in the genetic code of a human can be transmitted to offspring if they occur
in...
gametes
which cell is normally produced as a direct result of meiosis?
a sperm having half the normal species number of chromosomes
Toxins can harm a developing fetus. They usually enter the fetus by the process of...
diffusion across placental membranes
Which of the following hormones does not directly regulate human reproductive cycles...
insulin, progesterone, estrogen or testosterone
Insulin
the direct source of ATP for the development of a fetus is...
a series of chemical activities that take place in the mitochondria of fetal cells
The graph shows the relative concentrations of certain hormones in the blood stream
during the human female reproductive cycle. Which hormone has the lowest
concentration on which day...
Hormone B on day 2
Hormone A on day 4
Hormone C on day 12
Hormone D on day 20
Hormone B on day 2
Which of the following processes usually results in offspring that exhibit new genetic
variations?
...B
Which statement about the gametes represented in the diagram below is correct?
They are produced by mitosis
They are fertilized in an ovary
They transport genetic material
They are produced by females
They transport genetic material
The diagram below represents a nucleus containing the normal chromosome number
for a species.
