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Unit 2 Test
Test Description: Unit 2 test
Instructions: Answer all questions to get your test result.
1) BB, Bb, bb are examples of
A
heredity
B
physical appearance
C
genotype
D
Phenotype
2) 2. Mitosis involves the splitting of the nucleus into two identical nuclei. Knowing this, mitosis takes place in which type of cells?
A
both eukaryotic cells and prokaryotic cells
B
prokaryotic cells
C
neither prokaryotic or eukaryotic
D
Eukaryotic cells, because they have a nucleus
3) Who is considered the Godfather of Heredity?
A
Galileo
B
Johannes Kepler
C
Sir Isaac Newton
D
Gregor Mendel
4) Which of the following is not a component of DNA?
A
oxygen
B
sugars
C
bases
D
phosphates
5) If a black rat breeds with a white rat, and all the offspring have grey fur, what kind of trait does this show?
A
complete dominance
B
recessive
C
codominance
D
incomplete dominance
6) Which is the best definition for allele?
A
One of the alternate forms of a gene that governs a characteristic
B
The union of a male and female gamete to form a zygote
C
The passing of genetic material from parent to offspring
D
the same pairs
7) Which is the best definition for heredity?
A
passing traits from parent to offspring
B
one of the alternate forms of genes for a given trait
C
the same pairs
D
different pairs
8) Which is a benefit to meiosis?
A
it is faster
B
the offspring is always identical to one parent cell
C
it allows for more traits to be inherited
D
it always produces more offspring than mitosis
9) Which type of rock is formed through the melting and cooling of lava and magma?
A
metamorphic
B
sedimentary
C
diamond
D
igneous
10) what are the stages for mitosis in order?
A
interphase, telophase, metaphase, prophase, anaphase,cytokenisis
B
interphase, metaphase, prophase, anaphase, telophase, cytokenisis
C
interphase, prophase, anaphase, telophase, cytokenisis, metaphase
D
Interphase, prophase, metaphase, anaphase, telophase, cytokenisis
11) what stage does the cell spend most of its time in?
A
interphase
B
telophase
C
metaphase
D
cytokinesis
12) what is the condensed visible from of a chromatin?
A
chromosome
B
DNA
C
a cell
D
chromatid
13) which is not happening during interphase?
A
the cell is growing in size
B
DNA is being dublicated
C
the cell is dividing
D
the cell carries on normal life functions
14) The process of what produces haploid cells?
A
nuclear division
B
cytokinesis
C
mitosis
D
meiosis
15) After ______ the zygote develops into a larger organism in sexual reproduction
A
cytokinesis
B
heredity
C
mitosis
D
fertilization
16) If a mother has type A blood and a father has type B blood and their children have type AB blood, what type of trait does that show?
A
complete dominance
B
recessive
C
codominance
D
incomplete dominance
17) what is the best definition of a gene?
A
one of the alternate forms of a gene that governs a characteristic
B
the union of a male and female gamete to a form a zygote
C
one set of instructions for an inherited trait
D
the passing of genetic material from parent to offspring
18) Which is true about heat energy?
A
It is always transferred from areas of high heat to low heat
B
It is weaker than cold energy
C
It cannot be tranferred
D
It is always transferred from areas of low heat to high heat
19) An independent variable is
A
What we manipulate (mess with) in an investigation
B
What we measure as a response
C
The same thing as a constant
D
The same thing as a control
20) In an investigation, what is the control?
A
Something that changes as a response
B
Something we change on purpose
C
What we use as a comparison (the original gangster)
D
The same thing as a constant
*select an answer for all questions
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