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Biology EOC Test Prep 2
Test Description: Biology EOC Test Prep 2
Instructions: Answer all questions to get your test result.
1) The weaknesses in the hydrogen bonds between the bases of DNA allows_______
A
rearrangement of the sequence of bases to take place
B
conversion of bases to amino acids in the event of cell starvation
C
new bases to be incorporated into the DNA molecule
D
base pairs to separate during transcription and replication
2) Which is an activity that increases gentetic variation
A
fragmentation
B
budding
C
binary fission
D
sexual reproduction
3) A body cell of a sand dollar has 52 chromosomes. How many chromosomes should a sand dollar gamete contain?
A
78
B
26
C
52
D
104
4) In cells, aerobic respiration is more efficient than anaerobic respiration . This is because aerobic respiration produces more of which of the following substances
A
Glucose
B
DNA
C
Protien
D
ATP
5) Earth’s atmosphere is 20.9% molecular oxygen (O2). Which process provides most of the oxygen in the atmosphere?
A
cellular respiration
B
osmosis
C
transpiration
D
photosynthesis
6) The stored information in DNA codes for which of the following?
A
simple sugars
B
proteins
C
large vacuoles when nutrients are abundant
D
mitochondria
7) Beginning with one parent cell, how many daughter cells are typically produced from one mitotic division?
A
2
B
1
C
8
D
4
8) Which of these does not occur during meiosis?
A
crossing over of homologous chromosomes
B
production of identical gametes
C
reduction of chromosome number by half
D
production of new gene combos
9) In which of the following cell structures are the Drosophila chromosomes located?
A
nucleus
B
lysosome
C
ribosome
D
vacuole
10) Which type of molecule do Drosophila chromosomes primarily contain?
A
monosaccharides
B
RNA
C
lipids
D
DNA
11) A body cell of a sand dollar has 52 chromosomes. How many chromosomes should a sand dollar gamete contain?
A
26
B
104
C
78
D
52
12) In cells, aerobic respiration is more efficient than anaerobic respiration This is because aerobic respiration produces more of which of the following substances?
A
glucose
B
DNA
C
protein
D
ATP
13) A person with swollen gums rinses his mouth with warm salt water, and the swelling decreases. Which has occurred?
A
The water in the gums has moved from a high to a low concentration of water.
B
The salt in the solution has moved against the concentration gradient.
C
The saltwater solution lowers the temperature of the water in the gums.
D
The swollen gums have absorbed the saltwater solution.
14) Which organism is most likely to use anaerobic respiration?
A
moss
B
tree
C
bacteria
D
bird
15) If the xylem in a young tree is damaged, which process is first affected?
A
transporting water to the leaves
B
transporting sugar to the roots
C
absorbing water from the soil
D
performing photosynthesis
16) A plant species lives in an area with limited sunlight. Which physical adaptation would be most useful to the plant?
A
large leaves
B
colorful flowers
C
thin cuticle
D
deep roots
17) RNA and DNA are which type of organic compound? A carbohydrate B lipid C nucleic acid D protein
A
lipid
B
protein
C
carbohydrate
D
nucleic acid
18) Which is an example of osmosis?
A
potassium ions moving in and out of an animal cell
B
carbon dioxide moving into the leaf cells of a plant
C
water moving into the root cells of a plant
D
oxygen moving into the bloodstream from the lungs
19) What advantage do sexually reproducing organisms have over asexually reproducing organisms?
A
increased reproductive rate
B
increased fertilization rate
C
genetic stability
D
genetic variation
20) Which types of organisms developed first due to the early environmental conditions on Earth?
A
prokaryotic and anaerobic
B
eukaryotic and aerobic
C
eukaryotic and anaerobic
D
prokaryotic and aerobic
*select an answer for all questions
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