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WorksheetsI-Learn Review Biology
Total questions: 20
Worksheet time: 3600secs
Name
Class
Date
1.
Suppose two organisms, each heterozygous for eye color, reproduced and had offspring. How likely are the two organisms to have heterozygous offspring?
a)
25%
b)
50%
c)
75%
d)
100%
2.
This type of process requires oxygen
a)
aerobic
b)
anaerobic
c)
cell transport
d)
None of the above
3.
This phase of mitosis occurs after metaphase and before telophase.
a)
Cytokenesis
b)
Metaphase
c)
Anaphase
d)
Interphase
4.
Gametes are formed and the chromosome number is reduced in this type of cell division
a)
Mitosis
b)
Meiosis
c)
Cytokenesis
d)
Translation
5.
One codon for STOP is?
a)
AAA
b)
UUA
c)
UAA
BB/bb
BB/bb
d)
AAG
White fur
White fur
6.
Which of the following provides an accurate example of a genotype?
a)
Brown Fur
b)
BB
c)
Blue Flowers
d)
Round seeds
7.
Which of the following cell organelles are related to movement?
a)
Ribosomes and lysosomes
b)
Flagella and Cilia
c)
Nucleus and cell membrane
d)
Golgi and ER
8.
Chromosomes that make up a pair (one chromosome from each parent) are called _________ chromosomes.
a)
Heterozygous
b)
Homozygous
c)
Homologous
d)
Tetrad
9.
The DNA code is transferred to mRNA in the ____ through a process called ____.
a)
Ribosome, Translation
b)
Nucleus, Transcription
c)
Nucleus, Translation
d)
Cytoplasm, Active Transport
10.
Bacteria adapt more quickly than elephants to environmental changes. Which best explains this difference?
a)
Bacteria reproduce more rapidly
b)
Bacteria populations are more isolated
c)
Individual bacteria have more genes
d)
Bacteria grow more steadily
11.
What do phototropism and geotropism enable plants to do?
a)
Allow bacteria to invade cells
b)
Allow cell division to take place
c)
Prevent cell division
Develop resistance toward DNA
Develop resistance toward DNA
d)
Grow toward needed resources
12.
Escherichia coli is the scientific name of a bacterium. What category of classification is Escherichia?
a)
Order
b)
Phylum
c)
Genus
d)
Species
13.
Tissue samples taken from the heart and stomach of a grasshopper would be expected to have the same:
a)
Cell Size
b)
Metabolic Rate
c)
DNA
d)
Cell Shape
Cell shape
Cell shape
14.
What repackages proteins into forms the cell can use, expel, or keep stored?
a)
RER
b)
Lysosomes
c)
Golgi Bodies
d)
Ribosomes
15.
Which molecule is paired with its correct role in protein synthesis?
a)
Nucleus-forms peptide bonds
b)
Ribosomes-carry DNA instructions
c)
m-RNA joins amino acids
d)
t-RNA-Transfers the correct amino acid
16.
An ecosystem has a stable population of white-tailed deer. What is the most likely outcome if a new species of deer that competed for the same resources were introduced?
a)
The white tailed deer population would increase
b)
The producer population would decrease
c)
The deer will not be affected
d)
The predator population would decrease
17.
During the process of protein synthesis, a section of DNA molecule is copied into which other molecule?
a)
DNA
b)
r-RNA
c)
m-RNA
d)
t-RNA
18.
According to the graph the enzyme Amylase will
a)
Slow down the digestion rate
b)
Speed up the digestion rate
c)
Denature the starch
d)
Take in excessive heat
19.
According to this graph the carrying capacity of these deer is?
a)
20
b)
40
c)
70
d)
80
20.
When a group of foxes moves to a new environment, a change in which of the following is least likely to be a selective pressure on the foxes?
a)
Temperature
b)
Food Resources
c)
Decomposers
d)
Precators
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