Name: 
 

Biology Gateway Practice Test - State Objectives 1-5 - Study Guide



Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 

What kinds of molecules carry the instructions for protein synthesis?
a.
DNA and RNA
c.
lipids and carbohydrates
b.
amino acids
d.
enzymes
bgpt-r_so_1-5_i_sg_files/bg/ch12/ch12_s3_2.html
 

 2. 

A student was looking at different kinds of cells through a microscope.  He noticed that plant cells and animal cells have many structures in common, but the cells are also very different.  Which of the following statements identifies one of the differences between plant cells and animal cells?
a.
Plant cells have cell walls but animal cells do not.
c.
Plant cells have ribosomes but animal cells do not.
b.
Plant cells have cell membranes but animal cells do not.
d.
Plant cells have vacuoles but animal cells do not.
bgpt-r_so_1-5_i_sg_files/bg/ch7/ch7_s2_1.html
 

 3. 

Three substances were tested for three properties.  The results are shown in the chart below.
bgpt-r_so_1-5_i_sg_files/i0040000.jpg

The results show that Substance 2 may be a
a.
lipid
c.
starch
b.
mineral
d.
protein
bgpt-r_so_1-5_i_sg_files/bg/ch2/ch2_s3_1.html
 

 4. 

The basic structure of an organic molecule is shown below.

bgpt-r_so_1-5_i_sg_files/i0050000.jpg
What type of molecule is this?
a.
a lipid
c.
a nucleic acid
b.
a protein
d.
a carbohydrate
bgpt-r_so_1-5_i_sg_files/bg/ch2/ch2_s3_3.html
 

 5. 

Use the diagram of the plant cell below to answer the question below.

bgpt-r_so_1-5_i_sg_files/i0060000.jpg

Which of these features would not be found in an animal cell?
a.
the nucleus
c.
the cytoplasm
b.
chloroplasts
d.
mitochondria
bgpt-r_so_1-5_i_sg_files/bg/ch7/ch7_s2_2.html
 

 6. 

Use the diagram of the plant cell below to answer the question below.

bgpt-r_so_1-5_i_sg_files/i0070000.jpg

Food, water and cellular wastes are stored primarily in the
a.
nucleus
c.
chloroplasts
b.
vacuole
d.
mitochondria
bgpt-r_so_1-5_i_sg_files/bg/ch7/ch7_s2_0.html
 

 7. 

When a student added iodine to an unknown solution, the solution turned a dark color.  This color change indicated that the solution contained
a.
lipids
c.
DNA
b.
proteins
d.
starch
bgpt-r_so_1-5_i_sg_files/bg/ch2/ch2_s3_2.html
 

 8. 

In a biology class, students were asked to use a microscope to distinguish between plant and animal cells.  A student noticed a difference between the vacuoles in plant and animal cells.

How do the vacuoles in plant cells differ from animal cell vacuoles?
a.
Plant cell vacuoles are usually larger.
c.
Plant cells rarely contain vacuoles.
b.
Plant cell vacuoles are ussually smaller.
d.
Plant cells usually contain more vacuoles.
bgpt-r_so_1-5_i_sg_files/bg/ch7/ch7_s2_1.html
 

 9. 

Which of these molecules provides the information necessary for cells to be able to reproduce accurately by mitosis?
a.
ATP
c.
lipids
b.
DNA
d.
carbohydrates
bgpt-r_so_1-5_i_sg_files/bg/ch12/ch12_s3_2.html
 

 10. 

In a laboratory experiment students tested four unknown samples  for three properties.  The results are shown in the table below.

bgpt-r_so_1-5_i_sg_files/i0110000.jpg

Which sample most likely contains a lipid?
a.
Sample 1
c.
Sample 3
b.
Sample 2
d.
Sample 4
bgpt-r_so_1-5_i_sg_files/bg/ch2/ch2_s3_1.html
 

 11. 

Homeostasis is the regulation of body processes to maintain a relatively constant internal environment.

On hot days, dogs will pant at increased rates because they do not have sweat glands.  Dogs pant in order to
a.
decrease their internal temperature
c.
maintain their internal salt balance
b.
increase their internal temperature
d.
maintain their internal water balance
bgpt-r_so_1-5_i_sg_files/bg/ch1/ch1_s3_1.html
 

 12. 

The diagram below shows a plant cell during the four stages of mitosis, but the stages are out of order.
bgpt-r_so_1-5_i_sg_files/i0130000.jpg

Which is the correct order of the stages of mitosis shown above?
a.
2 - 1 - 3 - 4
c.
3 - 2 - 1 - 4
b.
2 - 1 - 4 - 3
d.
4 - 1 - 2 - 3
bgpt-r_so_1-5_i_sg_files/bg/ch10/ch10_s2_4.html
 

 13. 

A certain type of organism can be either black or white.  Which of these processes makes it possible for two of these organisms to produce both black offspring and white offspring?
a.
meiosis
c.
convergent evolution
b.
mitosis
d.
complete metamorphosis
bgpt-r_so_1-5_i_sg_files/bg/ch11/ch11_s4_2.html
 

 14. 

In muscle cells, calcium ions are pumped through channels into the endoplasmic reticulum.  These ions move from an area of low concentration to an area of high concentration.

This is an example of
a.
osmosis
c.
active transport
b.
diffusion
d.
passive transport
bgpt-r_so_1-5_i_sg_files/bg/ch7/ch7_s3_5.html
 

 15. 

Sea lettuce is a green algae that lives in the ocean.  Which of these statements best describes what would happen if sea lettuce cells were placed in distilled water?
a.
Salt would move into the cells.
c.
Water would move into the cells.
b.
Salt would move out of the cells.
d.
Water would move out of the cells.
bgpt-r_so_1-5_i_sg_files/bg/ch7/ch7_s3_3.html
 

 16. 

It is important for snakes to maintain homeostasis, a steady state of internal conditions.  One reason for a snake to move between shady and sunny areas is to maintain
a.
a relatively constant fluid level
c.
a salt balance equal to the environment
b.
a relatively constant body temperature
d.
a fluid level equal to the environment
bgpt-r_so_1-5_i_sg_files/bg/ch1/ch1_s3_1.html
 

 17. 

The plant cell below contains two nuclei and is about to complete its division into two separate cells.
bgpt-r_so_1-5_i_sg_files/i0180000.jpg
The arrow is pointing to a structure in the middle of the parent cell.  What is this structure?
a.
a centriole
c.
a chromosome
b.
a cell plate
d.
a cleavage furrow
bgpt-r_so_1-5_i_sg_files/bg/ch10/ch10_s2_5.html
 

 18. 

A body cell of a pigeon has 80 chromosomes.  If a pigeon lays an unfertilized egg, how many chromosomes will this egg have?
a.
20
c.
80
b.
40
d.
160
bgpt-r_so_1-5_i_sg_files/bg/ch11/ch11_s4_1.html
 

 19. 

A cell was just placed in a new environment.  The diagram below shows the concentration of dissolved substances inside this cell and in its new environment.  The cell membrane is not permeable to these dissolved substances.
bgpt-r_so_1-5_i_sg_files/i0200000.jpg

Which of these best describes what will immediately happen to the cell  in its new environment?
a.
Water will move into the cell.
c.
None of the water or dissolved substances will move into or out of the cell.
b.
Water will move out of the cell.
d.
The dissolved substances will move into the cell while water moves out of the cell.
bgpt-r_so_1-5_i_sg_files/bg/ch7/ch7_s3_3.html
 

 20. 

The diagram below shows a plant cell during the four stages of mitosis, but the stages are out of  order.  Use the diagram to answer the question below.
bgpt-r_so_1-5_i_sg_files/i0210000.jpg
Which figure shows the first stage of mitosis?
a.
Figure 1
c.
Figure 3
b.
Figure 2
d.
Figure 4
bgpt-r_so_1-5_i_sg_files/bg/ch10/ch10_s2_4.html
 

 21. 

The life cycle of a stone fly is shown in the diagram below.
bgpt-r_so_1-5_i_sg_files/i0220000.jpg

When a pair of stone flies reproduce, their offspring may vary in color and a number of other traits.  Which of these processes contributes to variation among stonefly offspring?
a.
meiosis
c.
aerobic respiration
b.
metamorphosis
d.
alternation of generations
bgpt-r_so_1-5_i_sg_files/bg/ch11/ch11_s4_2.html
 

 22. 

Opossums have 22 chromosomes in each of their skin cells.  How many chromosomes are in an opossum's sex cells?
a.
11
c.
44
b.
22
d.
88
bgpt-r_so_1-5_i_sg_files/bg/ch11/ch11_s4_1.html
 

 23. 

Homeostasis is the process by which an organism maintains a relatively stable internal environment.

Under certain conditions mammals such as dogs and humans will often shiver.  What is the primary benefit of shivering?
a.
It increases blood pressure.
c.
It decreases heat loss.
b.
It decreases the breathing rate.
d.
It increases the internal body temperatiure.
bgpt-r_so_1-5_i_sg_files/bg/ch1/ch1_s3_1.html
 

 24. 

Cells require oxygen for a variety of processes.  Oxygen passes through the cell membrane, moving form areas of high concentration to areas of lower concnetration.

What process is illustrated by this movement of oxygen?
a.
osmosis
c.
active transport
b.
cytokinessis
d.
passive transport
bgpt-r_so_1-5_i_sg_files/bg/ch7/ch7_s3_5.html
 

 25. 

The figure below shows the four stages of mitosis for an animal cell, but the stages are out of order.  Use the diagram to answer the question below.

bgpt-r_so_1-5_i_sg_files/i0260000.jpg

Which is the correct order of the stages of mitosis shown above?
a.
1 - 4 - 3 - 2
c.
4 - 1 - 2 - 3
b.
2 - 4 - 1 - 3
d.
4 - 2 - 1 - 3
bgpt-r_so_1-5_i_sg_files/bg/ch10/ch10_s2_4.html
 

 26. 

The figure below shows the four stages of mitosis for an animal cell, but the stages are out of order.  Use the diagram to answer the question below.

bgpt-r_so_1-5_i_sg_files/i0270000.jpg

Which figure shows the last stage of mitosis?
a.
Figure 1
c.
Figure 3
b.
Figure 2
d.
Figure 4
bgpt-r_so_1-5_i_sg_files/bg/ch10/ch10_s2_4.html
 

 27. 

Which of these results is most likely to occur when a plant cell is placed in pure water?
a.
More water will enter the cell than leave the cell.
c.
Water will enter and leave the cell at the same rate.
b.
More water will leave the cell than enter the cell.
d.
Water will only enter the cell;  no water will leave the cell.
bgpt-r_so_1-5_i_sg_files/bg/ch7/ch7_s3_3.html
 

 28. 

Some organisms are able to change dead organic matter into usable nutrients.  What is the role of these organisms in an ecosystem?
a.
decomposer
c.
carnivore
b.
producer
d.
herbivore
bgpt-r_so_1-5_i_sg_files/bg/ch3/ch3_s2_2.html
 

 29. 

The diagram below shows four layers of sedimentary rock containing fossils.
bgpt-r_so_1-5_i_sg_files/i0300000.jpg
Which statement is true about the fossils in the rock layers?
a.
Fossil 1 is older than Fossil 4.
c.
Fossil 3 is younger than Fossil 5.
b.
Fossil 1 is younger than Fossil 2.
d.
Fossil 3 is the same age as Fossil 5.
bgpt-r_so_1-5_i_sg_files/bg/ch17/ch17_s1_3.html
 

 30. 

As part of a classroom experiment, a rat was kept in a cage that had a lever attached to an outside food source.  Whenever the rat accidentally pressed the lever, a food pellet fell into the cage.  After a few days, whenever the rat wanted food, it pressed the lever.

The feeding behavior displayed by the rat is
a.
innate
c.
a conditioned response
b.
imprinted
d.
a territorial response
bgpt-r_so_1-5_i_sg_files/bg/ch34/ch34_s1_1.html
 

 31. 

A freshwater ecosystem has a sandy bottom with a few rocks.  Invertebrates and algae live near the bottom among the rocks.  Invertebrates and algae live near the bottom among the rocks.  Plankton live at various depths in the water.  Different species of fish feed on algae, plankton, and other fish.

Which of these is an abiotic factor in the ecosystem?
a.
the temperature of the water
c.
the amount of food available to the fish
b.
the number of species of algae
d.
the amount of plankton at different depths
bgpt-r_so_1-5_i_sg_files/bg/ch4/ch4_s2_1.html
 

 32. 

Female mosquitoes feed on the body fluids of animals.  Although this harms the animals, it normally does not kill them.

What type of relationship exists between the female mosquitoes and the animals?
a.
predation
c.
mutualism
b.
parasitism
d.
commensalism
bgpt-r_so_1-5_i_sg_files/bg/ch4/ch4_s2_3.html
 

 33. 

The information below describes a type of community found on the ocean floor, called a hydrothermal vent community.  Use this information to answer the question below.

bgpt-r_so_1-5_i_sg_files/i0340000.jpg

What type of relationship exists between the bacteria and the giant tubeworms?
a.
predation
c.
mutualism
b.
parasitism
d.
commensalism
bgpt-r_so_1-5_i_sg_files/bg/ch4/ch4_s2_3.html
 

 34. 

The information below describes a type of community found on the ocean floor, called a hydrothermal vent community.  Use this information to answer the question below.

bgpt-r_so_1-5_i_sg_files/i0350000.jpg

Which of these is a biotic factor in this ecosystem?
a.
the level of oxygen
c.
the size of the tubeworm population
b.
the temperature of the water
d.
the concentration of sulfur compounds
bgpt-r_so_1-5_i_sg_files/bg/ch4/ch4_s2_1.html
 

 35. 

The diagram below shows a meadow in the Appalachian Mountains.
bgpt-r_so_1-5_i_sg_files/i0360000.jpg

Which of these is an abiotic factor in the meadow ecosystem?
a.
grass
c.
trees
b.
water
d.
mosquitoes
bgpt-r_so_1-5_i_sg_files/bg/ch4/ch4_s2_1.html
 

 36. 

While exploring a cave, a group of scientists encountered many abiotic and biotic factors.

Which of the following factors is biotic?
a.
bacteria
c.
minerals
b.
limestone
d.
waterfall
bgpt-r_so_1-5_i_sg_files/bg/ch4/ch4_s2_1.html
 

 37. 

The diagram below shows four layers of sedimentary rock containing fossils.
bgpt-r_so_1-5_i_sg_files/i0380000.jpg

Which statement is not true about the fossils in the rock layers?
a.
Fossil 1 is the youngest fossil.
c.
Fossil 3 is older than fossil 1.
b.
Fossil 5 is the oldest fossil.
d.
Fossil 4 is older than fossil 2.
bgpt-r_so_1-5_i_sg_files/bg/ch17/ch17_s1_3.html
 

 38. 

In an experiment, a scientist raised a spider in an enclosure with no other spiders.  The spider spun a web similar to webs spun by other members of its species.  The spider's ability to spin a web is an example of
a.
mimicry
c.
innate behavior
b.
camouflage
d.
learned behavior
bgpt-r_so_1-5_i_sg_files/bg/ch34/ch34_s1_1.html
 

 39. 

Corals get about 90% of their food from algae that live inside the corals' tissues.  The algae provide carbohydrates for the corals and the corals provide shelter and nitrogen for the algae.

According to this information, the relationship between the coral and the algae is an example of
a.
predation
c.
parasitism
b.
mutualism
d.
commensalism
bgpt-r_so_1-5_i_sg_files/bg/ch4/ch4_s2_3.html
 

 40. 

Crayfish are found in many freshwater communities in North America.  Crayfish find shelter under rocks, in vegetation, or in bottom sediment.  Crayfish prey on insects and snails but will sometimes eat plants and algae.

Which of these best describes the role of crayfish?
a.
parasite
c.
decomposer
b.
consumer
d.
producer
bgpt-r_so_1-5_i_sg_files/bg/ch3/ch3_s2_2.html
 

 41. 

The graph below shows the size of the human population during four different periods.
bgpt-r_so_1-5_i_sg_files/i0420000.jpg

During which period has the human population increased the most?
a.
Period 1
c.
Period 3
b.
Period 2
d.
Period 4
bgpt-r_so_1-5_i_sg_files/bg/ch5/ch5_s3_1.html
 

 42. 

A species of cuckoos do not raise their own young.  Instead, they lay their eggs in the nests of a species of warblers.  The warblers incubate the eggs and raise the young of the cuckoos.

One winter, a virus caused most of the warblers in the region to die.  As a result, the cuckoo population will most likely
a.
increase and flourish
c.
decrease to a level near extinction
b.
evolve into a new species of bird
d.
adapt and build nests like the warbler nests
bgpt-r_so_1-5_i_sg_files/bg/ch5/ch5_s2_1.html
 

 43. 

Since the Industrial Revolution, human activities has released increasing amounts of carbon dioxide into the atmosphere.  If the amount of carbon dioxide in the atmosphere continues to rise, it will most likely affect ecosystems throughout the world by
a.
increasing the acid content in snow
c.
changing climates and melting polar ice caps
b.
increasing the levels of ultraviolet radiation
d.
contamination water sources with toxic chemicals
bgpt-r_so_1-5_i_sg_files/bg/ch4/ch4_s1_2.html
 

 44. 

A scientist wanted to study the gene that controls eye color in fruit flies.  In an experiment she crossed two fruit flies.  One fruit fly had red eyes and the other had white eyes.  The cross of the two fruit flies is an example of
a.
mutation
c.
natural selection
b.
mitosis
d.
selective breeding
bgpt-r_so_1-5_i_sg_files/bg/ch13/ch13_s1_1.html
 

 45. 

In the tropical rain forests of Central and South America, people are cutting down rain forest trees to build homes, grow crops, raise cattle, and export timber.  Parrots nest in the trees, raising a small family about every two years.

How will the increasing human population most likely affect the parrot populations in this region?
a.
Most of the parrot populations will adapt and find other places to nest.
c.
Open spaces will encourage growth in the parrot populations.
b.
The parrot populations will increase because the predator populations will decrease.
d.
The parrot populations will decrease due to a loss of nesting and foraging habitats.
bgpt-r_so_1-5_i_sg_files/bg/ch6/ch6_s1_2.html
 

 46. 

It is important for snakes to maintain homeostasis, a steady state of internal conditions.  One reason for a snake to move between shady and sunny areas is to maintain
a.
a relatively constant fluid level
c.
a salt balance equal to the environment
b.
a relatively constant body temperature
d.
a fluid level equal to the environment
bgpt-r_so_1-5_i_sg_files/bg/ch1/ch1_s3_1.html
 

 47. 

The diagram below shows a simplified energy pyramid for an ecosystem.
bgpt-r_so_1-5_i_sg_files/i0480000.jpg

Which of these statements is true about the flow of energy through the energy pyramid?
a.
Energy moves from Levels 3 and 4 to Levels 1 and 2.
c.
There is little loss of energy as it moves from one trophic level to another.
b.
The amount of energy increases a it moves form Level 1 to Level 4.
d.
The amount of energy decreases as it moves from one trophic level to another.
bgpt-r_so_1-5_i_sg_files/bg/ch3/ch3_s2_4.html
 

 48. 

The food chain below contains some of the organisms found in a pond ecosystem.

bgpt-r_so_1-5_i_sg_files/i0490000.jpg

According to the food chain, which of these would most likely happen if people caught and ate most of the bass?
a.
The insect populations would increase.
c.
The algae, zooplankton, insect, and bluegill populations would all be affected.
b.
The bluegill population would decrease.
d.
The bluegill population would increase, but the other organisms would not be affected.
bgpt-r_so_1-5_i_sg_files/bg/ch5/ch5_s2_0.html
 

 49. 

The ancestors of the giant panda had rounded paws with five very short toes.  The giant panda has a sixth digit often referred to as a "thumb."  This "thumb" allows the panda to pluck, hold, and eat bamboo shoots.

The presence of this "thumb" on the paws of giant pandas is most likely the result of
a.
mitosis
c.
natural selection
b.
succession
d.
selective breeding
bgpt-r_so_1-5_i_sg_files/bg/ch13/ch13_s1_1.html
 

 50. 

A certain species of plant is only pollinated by one species of moth.  The plant serves as the only food for the larvae of this moth.  Over a period of several years, a disease killed all of the plant population.

As a result of the plant disease, which of these scenarios is most likely to occur in the moth population?
a.
The moth population will eventually become extinct.
c.
The moth population will evolve to form a new species.
b.
The moth larvae will quickly adapt to eat other plants.
d.
The moth larvae will try to enter the adult stage more quickly.
bgpt-r_so_1-5_i_sg_files/bg/ch5/ch5_s2_1.html
 

 51. 

The graph below shows the size of an insect population over time.

bgpt-r_so_1-5_i_sg_files/i0520000.jpg

In which section of the graph did the most change in the size of the insect population occur in the least amount of time?
a.
Section 1
c.
Section 3
b.
Section 2
d.
Section 4
bgpt-r_so_1-5_i_sg_files/bg/ch5/ch5_s3_1.html
 

 52. 

Food crops are often sprayed with pesticides.  Birds and small mammals eat the seeds of these crops and the pesticides are deposited in their tissues.

When predators eat these birds and small mammals, the pesticides

a.
are effectively removed from the food chain.
c.
decrease in concentration as they move up the food chain.
b.
increase in concentration as they move up the food chain.
d.
remain at the same concentration as they move up the food chain.
bgpt-r_so_1-5_i_sg_files/bg/ch4/ch4_s1_2.html
 

 53. 

The diagram below shows a food chain.

green plants bgpt-r_so_1-5_i_sg_files/i0540000.jpg field mice bgpt-r_so_1-5_i_sg_files/i0540001.jpg barn owls

Based on this food chain, several years with below average rainfall will most likely lead to
a.
an increase in the population of field mice.
c.
a decrease in the population of barn owls.
b.
an increase in the number of field mice each owl must eat to survive.
d.
a decrease in the number of field mice each owl must eat to survive.
bgpt-r_so_1-5_i_sg_files/bg/ch6/ch6_s1_2.html
 

 54. 

The equation below shows how ATP is produced.

ADP + P + Energy bgpt-r_so_1-5_i_sg_files/i0550000.jpg ATP

Which of these processes produces the most ATP?
a.
glycolysis
c.
lactic acid fermentation
b.
Krebs cycle
d.
electron transport chain
bgpt-r_so_1-5_i_sg_files/bg/ch9/ch9_s2_2.html
 

 55. 

Plants and animals exchange materials through the processes of photosynthesis and respiration.  Which of these statements is true about the way these two processes are related?
a.
The products of photosynthesis inhibit respiration.
c.
The reactants of photosynthesis are also the reactants of respiration.
b.
The products of photosynthesis are also the products of respiration.
d.
The products of photosynthesis are the reactants of respiration.
bgpt-r_so_1-5_i_sg_files/bg/ch8/ch8_s3_0.html
 

 56. 

What cellular process uses oxygen and produces a large amount of ATP?
a.
mitosis
c.
anaerobic respiration
b.
photosynthesis
d.
aerobic respiration
bgpt-r_so_1-5_i_sg_files/bg/ch9/ch9_s1_5.html
 

 57. 

Use the diagram of the plant cell below to answer the question below.

bgpt-r_so_1-5_i_sg_files/i0580000.jpg

Which organelle makes food?
a.
the chloroplast
c.
the vacuole
b.
the ribosome
d.
the nucleus
bgpt-r_so_1-5_i_sg_files/bg/ch7/ch7_s2_2.html
 

 58. 

Which of these charts accurately shows the difference between aerobic and anaerobic respiration?
a.
bgpt-r_so_1-5_i_sg_files/i0590000.jpg
c.
bgpt-r_so_1-5_i_sg_files/i0590001.jpg
b.
bgpt-r_so_1-5_i_sg_files/i0590002.jpg
d.
bgpt-r_so_1-5_i_sg_files/i0590003.jpg
bgpt-r_so_1-5_i_sg_files/bg/ch9/ch9_s1_4.html
 

 59. 

Two cellular processes are shown below.

bgpt-r_so_1-5_i_sg_files/i0600000.jpg
One of the equations represents respiration.  During respiration, the reactants are converted into
a.
Energy and Obgpt-r_so_1-5_i_sg_files/i0600001.jpg
c.
Cbgpt-r_so_1-5_i_sg_files/i0600002.jpgHbgpt-r_so_1-5_i_sg_files/i0600003.jpgObgpt-r_so_1-5_i_sg_files/i0600004.jpg and Hbgpt-r_so_1-5_i_sg_files/i0600005.jpgO
b.
Cbgpt-r_so_1-5_i_sg_files/i0600006.jpgHbgpt-r_so_1-5_i_sg_files/i0600007.jpgObgpt-r_so_1-5_i_sg_files/i0600008.jpg and Hbgpt-r_so_1-5_i_sg_files/i0600009.jpgO
d.
Hbgpt-r_so_1-5_i_sg_files/i0600010.jpgO,  CObgpt-r_so_1-5_i_sg_files/i0600011.jpg  and Energy
bgpt-r_so_1-5_i_sg_files/bg/ch9/ch9_s1_2.html
 

 60. 

The diagram below shows the flow of oxygen and carbon dioxide in an ecosystem.

bgpt-r_so_1-5_i_sg_files/i0610000.jpg

Carbon dioxide is used by
a.
animals during respiration
c.
plants during photosynthesis
b.
animals, plants, and fungi during respiration
d.
plants and fungi during photosynthesis
bgpt-r_so_1-5_i_sg_files/bg/ch9/ch9_s1_1.html
 

 61. 

The diagram below shows the flow of carbon dioxide and oxygen in an ecosystem.
bgpt-r_so_1-5_i_sg_files/i0620000.jpg

Plants produce oxygen, which is used by fungi, animals, and plants themselves.  In what process do these organisms use oxygen?
a.
mitosis
c.
respiration
b.
replication
d.
photosynthesis
bgpt-r_so_1-5_i_sg_files/bg/c9/ch9_s1_1.html
 

 62. 

Cells that line the human stomach contain hydrogen ion pumps in their cell membranes.  These pumps allow the cells to move hydrogen form areas of low concentration inside the cells to areas of higher concentration outside the cells.

Which equation best represents the reaction that makes the movement of hydrogen ions possible?
a.
ATP bgpt-r_so_1-5_i_sg_files/i0630000.jpg ADP + P + energy
c.
Obgpt-r_so_1-5_i_sg_files/i0630001.jpg + Hbgpt-r_so_1-5_i_sg_files/i0630002.jpgO + energy bgpt-r_so_1-5_i_sg_files/i0630003.jpg ATP + CObgpt-r_so_1-5_i_sg_files/i0630004.jpg
b.
ATP + P + energy bgpt-r_so_1-5_i_sg_files/i0630005.jpg ADP
d.
ATP + CObgpt-r_so_1-5_i_sg_files/i0630006.jpg bgpt-r_so_1-5_i_sg_files/i0630007.jpg Obgpt-r_so_1-5_i_sg_files/i0630008.jpg + Hbgpt-r_so_1-5_i_sg_files/i0630009.jpgO + energy
bgpt-r_so_1-5_i_sg_files/bg/ch9/ch9_s2_2.html
 

 63. 

The table below shows some requirements and products of two types of cellular respiration.

bgpt-r_so_1-5_i_sg_files/i0640000.jpg

Which statement correcly identifies the types of respiration in the table above?

a.
Processes 1 and 2 are two different types of aerobic respiration.
c.
Process 1 is anaerobic respiration and Process 2 is aerobic respiration.
b.
Processes 1 and 2 are two different types of anaerobic respiration.
d.
Process 1 is aerobic respiration and Process 2 is anaerobic respiration.
bgpt-r_so_1-5_i_sg_files/bg/ch9/ch9_s1_4.html
 

 64. 

When Alex runs very fast, his muscle tissues use oxygen faster than it can be supplied.  When this happens, pyruvic acid is broken down into lactic acid to provide energy for muscle activity.

Which of these process is responsible for producing lactic acid in muscles?
a.
osmosis
c.
aerobic respiration
b.
chemosynthesis
d.
anaerobic respiration
bgpt-r_so_1-5_i_sg_files/bg/ch9/ch9_s1_5.html
 



 
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