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