WorksheetsUIL Science Practice
Total questions: 15
Worksheet time: 15mins
Which hormone promotes seed germination?
abscisic acid
ethylene
gibberellin
auxin
The total current through this circuit is
0.02 amps
0.09 amps
50 amps
9 amps
What is the unit for current?
Ohms
Amps
Volts
Watts
What is the term for making an RNA copy of DNA?
Transription
Translation
Folding
Coding
How can a person's muscle cells have the same exact DNA sequences as their nerve cells even though they look and perform completely different?
The two different cells become mutated
The proteins expressed in each cell are different
They actually have different DNA in the two types of cells.
The genome of the different cells changes
The parts of a gene that do NOT code for amino acids in a protein are called
introns
exons
codons
anticodons
The production of mature mRNA in eukaryotes involves
cutting introns out and spicing exons together
adding the 5' cap
adding the 3' poly A tail
all of these are correct
A protein that binds to the operator and blocks the RNA polymerase
regulator
repressor
activator
corepressor
The anticodon is located on
DNA
mRNA
tRNA
rRNA
Which of these are involved in cutting out the introns? SELECT TWO.
Spliceosomes
Lactase
snRNPs
Antitrons
In an operon, a sequence of DNA where RNA polymerase binds prior to transcription.
operator
promoter
initiator
repressor
An organism that inherits two of the same alleles for
a single trait is
homozygous.
haploid.
heterozygous.
hemizygous.
polyploid.
What is the primary gas found in the Earth's atmosphere?
Nitrogen
Oxygen
Carbon Dioxide
Argon
Which of the following is a renewable energy source?
Coal
Natural Gas
Solar
Nuclear
What is the chemical formula for table salt?
NaCl
KCl
CaCO3
MgSO4
