1. Which of the following statements is an objective observation? (Points : 2) T
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1. Which of the following statements is an objective observation? (Points : 2) This milk tastes funny.This package is larger than that one.
I like this picture.
This mattress feels hard to me.
I think I am going to be sick. Question 2.2. The process of change that produces the diversity of life on Earth is called (Points : 2) evolution.
homeostasis.
levels of organization.
biological classification.
molecular diversification. Question 3.3. The region in which populations interact with each other and with the physical environment is called (Points : 2) an entity.
an ecosystem.
a biosystem.
a community.
a biosphere. Question 4.4. Choose the CORRECT order (1-5) of increasing complexity/organization. (Points : 2) (1) tissues, (2) organ systems, (3) cells, (4) organs, (5) organism
(1) cells, (2) organ systems, (3) tissues, (4) organs, (5) organism
(1) tissues, (2) organs, (3) organ systems, (4) cells, (5) organism
(1) cells, (2) tissues, (3) organs, (4) organ systems, (5) organism
(1) organism, (2) organ systems, (3) organs, (4) tissues, (5) cells Question 5.5. The Domain Eukarya contain(s) ______ kingdom(s). (Points : 2) one
two
three
four
five Question 6.6. In a graph, the experimental variable is plotted on the (Points : 2) x axis.
y axis.
x and y axis.
z axis.
x and z axis. Question 7.7. The purpose of informed consent is (Points : 2) to determine whether a patient is acceptable for a particular study.
to ensure that the doctor does not know which patient is receiving the treatment.
to decide whether a patient goes into the test group or the control group.
to ensure the patient knows the risks and is volunteering.
to determine whether the treatment works. Question 8.8. Which of the following statements would be considered anecdotal data? (Points : 2) "I lost 21 lbs on the Atkins diet."
Out of a study of 23 individuals, 12 participants lost between 15 and 22 pounds on the Atkins diet.
The average weight loss for participants in the Atkins diet was 15 pounds in 8 weeks.
The South Beach diet helped 27 people lose between 22 and 32 pounds over the course of 12 weeks.
Participants who stayed on the South Beach Diet for a total of 12 weeks lost an average of 22 pounds. Question 9.9. Which of the following statements is a hypothesis? (Points : 2) If a student buys a meal plan he/she will eat more vegetables.
Ginny gained 5 lbs her freshman year.
Blake failed the test.
There are more calories in french fries than in colas.
I like my biology class better than my other classes. Question 10.10. The cell you are examining under the microscope appears to contain a nucleus. This organism belongs to the domain (Points : 2) Bacteria.
Archaea.
Eukarya.
Animalia.
Fungi. Question 11.11. Which of the following is not a basic theory of biology? (Points : 2) Theory of ecosystems
Cell theory
Gene theory
Theory of evolution
Theory of gravity Question 12.12. Which of the following protein fibers is used for cellular movement and are extremely thin in size. (Points : 2) actin filaments
intermediate filaments
microtubules
centrosome
cilia Question 13.13. What is the name of the semi-fluid medium inside the cell? (Points : 2) nucleolus
cytoplasm
organelle
cytoskeleton
mitochondrion Question 14.14. Angela would like to look at living algae from pond water. What type of equipment should she use? (Points : 2) compound light microscope
transmission electron microscope
scanning electron microscope
magnifying glass
her naked eye Question 15.15. Which of the following is not associated with the cytoskeleton? (Points : 2) intermediate filaments
microtubules
microbodies
actin filaments
centrosome Question 16.16. What is the function of cholesterol in the plasma membrane? (Points : 2) cell marker
receptor
support
channel
enzyme Question 17.17. The nucleus of a cell in your thigh muscle contains the same genes as the nucleus of a cell in your brain. (Points : 2) TRUE
FALSE Question 18.18. Fermentation produces more ATP than does aerobic respiration. (Points : 2) TRUE
FALSE Question 19.19. Paleontologists have discovered ancient prokaryotic fossils dated at over 3.5 billion years old. These fossils resemble prokaryotes that are capable of living in extreme conditions such as high temperature and salinity. What domain do these prokaryotes belong to? (Points : 2) Protists
Protoctista
Archaea
Archetista
Eukarya Question 20.20. Which organelle can be likened to a post office? (Points : 2) nucleus
nucleolus
mitochondria
endoplasmic reticulum
Golgi apparatus Question 21.21. Why type of junctions must there be between cells to form a barrier? (Points : 2) adhesion junctions
gap junctions
tight junctions
channel junctions
free junctions Question 22.22. What are the folds in mitochondrial membranes called? (Points : 2) matrix
cristae
rugae
lumen
villi Question 23.23. After lunch our digestive system will use the process of hydrolysis to break the food down into smaller subunits. (Points : 2) TRUE
FALSE Question 24.24. Which polysaccharide is consumed as a source of fiber? (Points : 2) cellulose
glycogen
glucose
chitin
starch Question 25.25. The reason water is polar is because (Points : 2) in polar molecules atoms share electrons evenly.
the oxygen atom is larger than the hydrogen atom.
hydrophilic molecules interact with water.
hydrophobic molecules do not interact with water.
there is a transfer of electrons from the hydrogen to the oxygen. 1. Which of the following statements is an objective observation? (Points : 2) This milk tastes funny.
This package is larger than that one.
I like this picture.
This mattress feels hard to me.
I think I am going to be sick.
Explanation / Answer
1. This package is larger than that one.
2. evolution.
3. an ecosystem.
4. (1) cells, (2) tissues, (3) organs, (4) organ systems, (5) organism
5. four
6. x axis.
7. to ensure the patient knows the risks and is volunteering.
8. The average weight loss for participants in the Atkins diet was 15 pounds in 8 weeks.
9. There are more calories in french fries than in colas.
10. Eukarya
11. Theory of gravity
12. actin filaments
13. cytoplasm
14. compound light microscope
15. microbodies
16. support
17. TRUE
18. FALSE. Fermentation produces only2 ATP where as aerobic respiration produces 36 ATP.
19. Archaea (extremophiles belong to archaea).
20. Golgi apparatus
21. tight junctions
22. cristae
23. TRUE
24. cellulose
25. the oxygen atom is larger than the hydrogen atom. Water has a partial negative charge (-) near the oxygen atom due the unshared pairs of electrons, and partial positive charges (+) near the hydrogen atoms.
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