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WorksheetsScience Quiz
Total questions: 40
Worksheet time: 30mins
The chemical symbol for hydrogen is
H
Hy
Ionic Bonds can be described as
nonmetal with nonmetal
metal with nonmetal
A trait that masks another trait and shown in the offspring is
dominant
recessive
This is a correct dot diagram for nitrogen (N).
True
False
DNA is a double helix.
True
False
This is a correct dot diagram for carbon (C).
true
false
Which nitrogenous base correctly matches up with guanine?
adenine
cytosine
How do you classify the following genotype: Ee
Homozygous Dominant
Heterozygous
The atomic number is the same number of neutrons.
True
False
In a Punnett Square, 1 box is equal to 25%. How much are 3 boxes equal to?
25%
75%
What does transcription mean?
What is the atomic number of this element?
20.1797
10
How do you classify the following genotype: AA
Heterozygous
Homozygous Dominant
Covalent Bonds
nonmetal with nonmetal
metal with nonmetal
All bases have a sour taste.
True
False
Na is the chemical symbol for which element?
Neon
Nitrogen
Sodium
Protons and Neutrons are always the same number.
True
False
The information about an organism's heredity is stored in its DNA. DNA is located in the cell's (a) .
DNA never leaves the nucleus.
True
False
What reaction has the following general formula: AB --> A + B
Synthesis
Decomposition
What types of reactions absorb and release heat?
covalent and ionic
endothermic and exothermic
Which of the following is a heterozygous genotype?
pp
Gg
UU
In covalent bonding, valence electrons are (a) .
Why do scientists use Punnett Squares?
A tool scientist use to see alleles
A tool scientist use to determine possible genotypes for offspring
Mark is heterozygous. If B is for brown hair, and b is for blonde hair, what is Mark's genotype?
bb
Bb
What does "geo-" mean?
sun
Earth
Center
Isotopes have a different number of:
neutrons
protons
What type of change occurs when a new substance is formed that has different properties from the original substances?
chemical change
mutation
Which of the following correctly matches: GCT AGA TCG
TAG CTC GAT
CGA TCT AGC
What pulls the chromosomes apart?
Spindle fibers
Spiral fibers
The layer of the sun that makes light
Photosphere
Chromosphere
The Sun is made of...
Hydrogen and Helium
Hydrogen
What subatomic particles are located in the nucleus?
Protons
Neutrons
Proteins are made of which molecule?
(a)
When dissolved in water, bases produce:
salts
hydroxide ions
Which of the following is a Homozygous Dominant Genotype?
A change in the shape of an object is an example of ____________.
AA
Ca is the chemical symbol for which element?
Calcium
Carbon
What is the subatomic particle that has a negative charge?
Electrons
Protons
