Science Final - Released PAT Questions
When the living conditions in a habitat change rapidly, the organisms that are most
likely to become extirpated are - answer Specialists that occupy a narrow niche
Dairy farmers have bred dairy cattle over many generations in order to increase the
volume of milk that each cow can produce. This process is called - answer Artificial
selection
A female cat with white fur and a male cat with black fur produce three black kittens.
White fur colour is _________ in cats, and if the two cats described above had a fourth
kitten, it would be ___________ - answer Recessive, black
( Adult > sex cells > zygote > embryo )
One of the stages in which cells contain a normal number of chromosomes is labeled
________ and the stage in which cells contain only half the normal number of
chromosomes is labeled ______ - answer Zygote, sex cells
If the population of a predator species is reduced due to an illness, then the population
of its prey species will most likely - answer Increase because predation will decrease
Shara takes cuttings from her red geranium plants every year and uses them to produce
more geranium plants for the following year. Which of the following statements most
likely describes one advantage of Sarah's gardening practice - answer It would take a
short period of time to reproduce many plants
Land based ecosystems tend to have more _______ species than ________ species,
and the number of different species tends to ________, I just got___the father of the
ecosystem is from the equator.
The statement above it is completed by this information: - answer Mammal, insect,
decrease
To control the rat population, British explorers introduce the Indian Mongoose to the
Fijian Islands. Not only do Indian mongoose is prey on rats, but they also prey on Fiji's
ground dwelling birds. As a result, the status of these birds in some areas of Fiji has
been affected, as described below.
1. In the lowland regions of Fiji, some species of ground dwelling birds are no longer
found
2. In the rainforest regions of Fiji, the number of ground dwelling birds is declining
rapidly
, 3. In the remote mountain forests, several species of ground dwelling birds are not
preyed upon by mongooses
To measure the impact of the mongooses, scientists conducted a study of all ground
dwelling bird species in various regions over a five-year period
The responding variable in this study is - answerNumber of bird species present
Segments of DNA are spliced together to produce rare proteins used in medicines.
The process described above is an example of which of the biotechnologies? -
answerGenetic engineering
Molly has blonde hair, short legs, and can roll her tongue. She can also play the piano
very well.
Which of the following rows identifies examples of discrete variation and continuous
variation? - answerDiscrete- ability to roll tongue
Continuous- leg length
The melting of ice is considered a - answerPhysical change, because the process is
reversible
Title: ________________
H-O-H H-O-H
\/
H-O-H
Which of the following titles is appropriate for the diagram above - answerThree
Molecules of Water
Chris listed four chemical formulas and their matching chemical names in his notebook,
as shown below.
1. SO2 / sulfur oxide
2. CaS / carbon sulfide
3. NO / nitrogen monoxide
4. MgCl2 / magnesium dichloride
According to Chris' teacher, he named only one of the compounds correctly.
Which of the compounds did Chris correctly name? - answer3.
2 HCl > H2 + Cl2
When the living conditions in a habitat change rapidly, the organisms that are most
likely to become extirpated are - answer Specialists that occupy a narrow niche
Dairy farmers have bred dairy cattle over many generations in order to increase the
volume of milk that each cow can produce. This process is called - answer Artificial
selection
A female cat with white fur and a male cat with black fur produce three black kittens.
White fur colour is _________ in cats, and if the two cats described above had a fourth
kitten, it would be ___________ - answer Recessive, black
( Adult > sex cells > zygote > embryo )
One of the stages in which cells contain a normal number of chromosomes is labeled
________ and the stage in which cells contain only half the normal number of
chromosomes is labeled ______ - answer Zygote, sex cells
If the population of a predator species is reduced due to an illness, then the population
of its prey species will most likely - answer Increase because predation will decrease
Shara takes cuttings from her red geranium plants every year and uses them to produce
more geranium plants for the following year. Which of the following statements most
likely describes one advantage of Sarah's gardening practice - answer It would take a
short period of time to reproduce many plants
Land based ecosystems tend to have more _______ species than ________ species,
and the number of different species tends to ________, I just got___the father of the
ecosystem is from the equator.
The statement above it is completed by this information: - answer Mammal, insect,
decrease
To control the rat population, British explorers introduce the Indian Mongoose to the
Fijian Islands. Not only do Indian mongoose is prey on rats, but they also prey on Fiji's
ground dwelling birds. As a result, the status of these birds in some areas of Fiji has
been affected, as described below.
1. In the lowland regions of Fiji, some species of ground dwelling birds are no longer
found
2. In the rainforest regions of Fiji, the number of ground dwelling birds is declining
rapidly
, 3. In the remote mountain forests, several species of ground dwelling birds are not
preyed upon by mongooses
To measure the impact of the mongooses, scientists conducted a study of all ground
dwelling bird species in various regions over a five-year period
The responding variable in this study is - answerNumber of bird species present
Segments of DNA are spliced together to produce rare proteins used in medicines.
The process described above is an example of which of the biotechnologies? -
answerGenetic engineering
Molly has blonde hair, short legs, and can roll her tongue. She can also play the piano
very well.
Which of the following rows identifies examples of discrete variation and continuous
variation? - answerDiscrete- ability to roll tongue
Continuous- leg length
The melting of ice is considered a - answerPhysical change, because the process is
reversible
Title: ________________
H-O-H H-O-H
\/
H-O-H
Which of the following titles is appropriate for the diagram above - answerThree
Molecules of Water
Chris listed four chemical formulas and their matching chemical names in his notebook,
as shown below.
1. SO2 / sulfur oxide
2. CaS / carbon sulfide
3. NO / nitrogen monoxide
4. MgCl2 / magnesium dichloride
According to Chris' teacher, he named only one of the compounds correctly.
Which of the compounds did Chris correctly name? - answer3.
2 HCl > H2 + Cl2