#20.
Which should be used to make a figure of the number of males and females of a species?
A
Frequency table
B
Bar chart
C
Frequency polygon
D
Histogram
Answer: Bar chart
#21.
Why is it necessary that the axes start at 0 when drawing a graph?
A
To avoid many data points
B
Frequency table
C
To avoid exaggerated proportion
D
To see outliers easily
Answer: To avoid exaggerated proportion
#22.
There is unity in diversity in the study of biology. Which statement explains this?
A
Living things need one another
B
No living being can live alone
C
Living beings have structured unique to each
D
All the living beings have structures unique to each
Answer: All the living beings have structures unique to each
#23.
Which type of graph is appropriate t be used if the data were divided into equal intervals and the height of each bar showed the number of data values in that interval?
A
Bar graph
B
Histogram
C
Pictograph
D
Line graph
Answer: Histogram
#24.
Dr. F is using a t-test to compare the means of tow sections in his biology class. There are 25 participants in each group. How many degrees of freedom are therein this test?
A
24
B
49
C
48
D
23
Answer: 48
#25.
A biologist study mouse behavior recorded in a table shown below the time it took 10 different mice to locate food in maze. What statistical tool is appropriate to use to describe the center of distribution?
A
Mode
B
Mean
C
Median
D
Not enough information given
Answer: Median
#26.
Chlorophyll converts lights energy into ________________ .
A
electrical energy
B
Chemical energy
C
heat energy
D
kinetic energy
Answer: Chemical energy
#27.
Which of the following statements about energy transformation is CORRECT?
A
Energy may be created during transformation
B
the total amount of energy available reduces
C
Potential energy increases in every transformation
D
The usable energy decreases as entropy increases
Answer: The usable energy decreases as entropy increases
#28.
The Earth receives tremendous heat coming from the sun which could be beneficial at one point and harmful to a large extent. Which of the following methods of transferring heat is being illustrated?
A
Conduction
B
Convection
C
Transduction
D
Radiation
Answer: Radiation
#29.
What type of energy happens when the heat in the sand transfer to the person’s feet?
A
Convection
B
Radiation
C
Conduction
D
Transduction
Answer: Conduction
#30.
In which process of energy does cold air displace warm air?
A
Transduction
B
Radiation
C
Convection
D
Conduction
Answer: Convection
#31.
Which method of heat transfer results from he collision of molecules within a substance?
A
Radiation
B
Conduction
C
Convection
D
Transduction
Answer: Conduction
#32.
Why is it that only a small amount of energy stored in food is available to the next organism in a food chain?
A
Because primary and secondary consumer for food
B
Because most of the energy is used for life process
C
Because there are more producers than consumers in a food chain
D
Because there are fewer top consumers in a food chain
Answer: Because most of the energy is used for life process
#33.
Which statement best describes the flow energy as it passes through the organism in the pyramid?
A
. Energy flows through the organisms from top to bottom and increases at each level.
B
Energy flows through the organisms from bottom to top and it increase at each level.
C
Energy flows through the organisms from bottom to top and decreases at each level.
D
Energy flows through the organisms from top to bottom and decreases at each level.
Answer: Energy flows through the organisms from bottom to top and decreases at each level.
#34.
Geothermal energy, an energy resources in the country; based on which phenomenon?
A
Heat energy from the sun penetrates deep into the earth
B
Human activity is the largest source of heat energy on earth
C
There are concentration of heat in some places of earth’s crust
D
Earth’s internal energy heats its surface more than the sun does
Answer: There are concentration of heat in some places of earth’s crust
#35.
The manager of textile factory considers it too expensive to treat liquid wastes so he suggested digging a hole near the factory where the waste can be stored. Is this environmental safe?
A
No, liquid cannot be reused
B
Yes, the liquid will pass through the layers
C
No, liquid wastes will seep to the groundwater
D
Yes, the liquid can be recycled
Answer: No, liquid wastes will seep to the groundwater
#36.
What is the major pollutant from automobile exhaust?
A
Sulfur
B
Soot
C
Carbon monoxide
D
Carbon dioxide
Answer: Carbon monoxide
#37.
In which civilization did the sexagesimal system originated?
A
Babylonian
B
Egyptian
C
Greek
D
Sumerian
Answer: Sumerian
#38.
Although recorded as the longest period in the history of civilization, the dawn of the first civilization is the least that we know about why?
A
Ancient people are too secretive
B
No one knows how to write then
C
Time and circumstances left no historical evidence
D
Artifacts and fossils were burned
Answer: Time and circumstances left no historical evidence
#39.
Which organ has strong muscular walls where fetus develops into an individual?