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HOMEOSTASIS:
Test Description: This review game quiz covers bacteria, plant, and human homeostasis from lessons 1-3.
Instructions: Answer all questions to get your test result.
1) Which process is most closely associated with the regulation of water loss from the leaves of trees?
A
synthesis of protein by the chloroplasts in the leaf cells of the trees
B
absorption of nitrogen through leaf openings controlled by the guard cells
C
movement of water through leaf openings controlled by the guard cells
D
digestion of water within the cytoplasm in the leaf cells of the trees
2) In the leaf of a plant, guard cells help to
A
block harmful ultraviolet rays that can disrupt chlorophyll production
B
transport excess glucose to the roots
C
regulate oxygen and carbon dioxide levels
D
destroy atmospheric pollutants when they enter the plant
3) The primary function of stomata is to
A
signal guard cells to open or close
B
convert sunlight into usable energy
C
facilitate gas exchange for photosynthesis
D
minimize water loss
4) Which statement best describes how these substances interact in photosynthesis?
A
oxygen and carbon dioxide combine to produce glucose and water
B
glucose and carbon dioxide combine to produce oxygen and water
C
glucose and oxygen combine to produce carbon dioxide and water
D
carbon dioxide and water combine to produce glucose and oxygen
5) Antibiotics are substances used to help fight an infection of Streptococcus, a bacterium that causes strep throat. Overuse of these antibiotics can
A
cause a decrease in the production of enzymes
B
prevent future infections by these pathogens
C
allow organic molecules to be synthesized
D
select for resistant organisms
6) The respiratory system includes a layer of cells in the air passages that clean the air before it gets to the lungs. This layer of cells is best classified as
A
an organ system
B
organelle
C
an organ
D
a tissue
7) A similarity between humans and many other multicellular animals is that they
A
carry out autotrophic nutrition
B
occupy the same niche in most food webs
C
are composed of organ systems
D
have the same DNA sequences
8) Which sequence best represents increasing complexity?
A
organism → cells → tissues → organelles
B
tissues → cells → organelles → organs
C
organelles → cells → tissues → organs
D
cells → organelles → organs → organism
9) One effect of uncontrolled diabetes is that the blood might develop an acidic pH. As a result, cells may not be able to regulate their internal pH. Within these cells, this could cause a disruption of the function of biological catalysts known as
A
enzymes
B
antibodies
C
toxins
D
antigens
10) A small lizard spends the morning hours lying in the sunlight until its body temperature rises. Later on in the day, the lizard rests in a shady area until its body temperature cools. This type of behavior is important to
A
attract mates
B
maintain homeostasis
C
detect variations
D
obtain nutrients
11) Medical professionals are concerned with the increase in the number of bacterial species that are resistant to antibiotics. Once resistance appears in a bacterial population, it spreads rapidly. This is most likely because
A
populations of resistant bacteria are small
B
exposure to antibiotics increases the rate of reproduction in bacteria
C
resistant bacteria are small when compared to non-resistant bacteria
D
resistant bacteria survive in greater numbers and pass the trait to their offspring
12) If the same antibiotic is used too many times, it can become less effective against a certain type of bacteria. This observation is best explained by the
A
presence of pathogens in antibiotics
B
survival and reproduction of unaffected bacteria
C
production of antibiotics by white blood cells
D
replication of viruses that attack bacteria
*select an answer for all questions
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