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Test Description: 09 LIS: Reproduction is necessary for the
continuation of every species
Subject: Sci
Grade: 8
Version: All
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(9) Q.1 :
Which organism pictured below usually transfers an identical set of genes to the next
generation?
A
insects
B
flowers
C
humans
D
paramecium
(9) Q.2 :
The table shows the number of diploid chromosomes for various species.
Gametes are formed through the process of meiosis. Which statement correctly
describes a pea plant cell formed by meiosis?
There would be 7 chromosomes, because meiosis creates sex cells that combine
to form a fertilized zygote.
B
There would be 28 chromosomes, because meiosis creates temporary cells that
divide to form normal cells with 14 chromosomes.
C
There would be 14 chromosomes, because meiosis is a part of asexual
reproduction, where identical genetic information is passed to the next generation.
D
There would be 7 chromosomes, because tiny sprouts hatch from the gamete;
as the plant gets bigger, the number of chromosomes increases to the full 14.
A
(9) Q.3 :
In 1998, cows were successfully cloned for the first time in Japan. Cloning is a
process of artificial asexual reproduction. Approximately 300 beef cows, 150 dairy
cows, and 200 pigs have been cloned in the United States. Which of the following
statements is true regarding the cloned animals?
A
The cloned animal and its parent are genetically identical.
We do not have any way of comparing the genes of the clone with the genes of
the parent.
C
The cloned animal and its parent have identical phenotypes (traits) but different
genotypes (alleles).
D
The cloned animal and its parent share 50% of the same genetics because each
offspring gets half of its genes from a parent.
B
(9) Q.4 :
Which organism pictured below usually transfers an identical set of genes to the next
generation?
A
flowers because animals reproduce sexually and plants reproduce asexually
flowers because the seed grows in the ovary of the flower and gets all its DNA
from that plant
C
paramecium because they usually reproduce asexually when a single-celled
organism undergoes mitosis
D
paramecium because when they reproduce sexually they exchange gametes with
B
the same identical DNA
(9) Q.5 :
A certain organism forms gametes through the process of meiosis. These gametes
each have 20 chromosomes. Which organism from the table below could have formed
these gametes?
American beaver, because meiosis creates sex cells which combine to form a
fertilized zygote
B
wallaby, because meiosis creates temporary cells which divide to form normal
cells with 10 chromosomes
C
maize, because gametes are part of asexual reproduction, where identical
genetic information is passed to the next generation
D
maize, because gametes are created in sexual reproduction and the offspring
have the same number of chromosomes as the parents
A
(9) Q.6 :
What is true about the genetic makeup of a parent and offspring as a result of
asexual reproduction?
A
The parent and offspring are genetically identical.
The offspring only has half as many genes as the parent because there is only
one parent.
C
The parent and offspring have identical phenotypes (traits) but different
genotypes (alleles).
D
The parent and offspring share 50% of the same genetics because each offspring
gets half of its genes from a parent.
B
(9) Q.7 :
Mona Lavender is a popular ornamental plant with tiny purple flowers and leaves that
are dark green on the top and purple on the bottom. Mona Lavender can reproduce
sexually or asexually. Which statement describes reproduction in Mona Lavender?
A
Asexual reproduction results in greater diversity.
B
Sexual reproduction is generally faster than asexual reproduction.
C
Reproduction through meiosis is a characteristic of asexual reproduction.
D
Reproduction through mitosis produces plants that are identical to their parents.
(9) Q.8 :
Mitosis and meiosis are two ways cells divide. Which statement correctly describes
cell division?
Mitosis produces two daughter cells with half the number of chromosomes as the
parent cell.
B
Meiosis produces four daughter cells with half the number of chromosomes as
the parent cell.
C
Meiosis produces two daughter cells with the same number of chromosomes as
the parent cell.
D
Mitosis produces four daughter cells with the same number of chromosomes as
the parent cell.
A
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