Biology Intro Test Questions Modified True/False icon

Biology Intro Test Questions Modified True/False

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Biology Intro Test Questions


Modified True/False

Indicate whether the statement is true or false. If false, change the identified word or phrase to make the statement true.


____ 1. The liter is a metric unit of volume. _________________________


____ 2. For ease of understanding, scientists report measurements using the English system. _________________________


____ 3. Whether applications of science to everyday life are considered good, bad, right, or wrong comes under the category of technology. _________________________


____ 4. Counts or measurements are examples of data produced by descriptive research. _________________________


____ 5. In an experiment, the control group is used to test the effect of the independent variable. _________________________


____ 6. A natural law is based on the analysis of data collected in a controlled experiment. _________________________


____ 7. A brain scan is an example of technology. _________________________


____ 8. A law is a possible explanation for a scientific question. _________________________


____ 9. A centrifuge is used to make small details of an object visible to a scientist. _________________________


____ 10. Biologists generally form hypotheses using deductive reasoning. _________________________


____ 11. Biologists discover problems by observing the world around them. _________________________


Multiple Choice

Identify the choice that best completes the statement or answers the question.


____ 12. The theme that reflects the idea that there has been a gradual change in the characteristics of species over time is _____.

a.

energy

c.

reproduction

b.

unity within diversity

d.

evolution



____ 13. Living things adjust to a stimulus by a reaction called a(n) _____.

a.

environment

c.

homeostasis

b.

growth spurt

d.

response



____ 14. Living things change during their lives through _____.

a.

reproduction

c.

making responses

b.

growth and development

d.

adaptation and organization



____ 15. All living things _____ to make more living things.

a.

reproduce

c.

grow

b.

develop

d.

adapt



____ 16. Which of the following are likely topics for a course in biology?

a.

Why does the Texas horned lizard squirt blood out of its eyes?

b.

How is a banded pipefish able to hide in its environment of seaweeds?

c.

What chemicals cause plant stems to lengthen or flowers to bloom?

d.

All of these.



____ 17. Questions about living things that can be answered by biologists are _____.

a.

what

c.

how

b.

why

d.

all of these



____ 18. Key to the study of biology is learning about the _____.

a.

rocks

c.

chemicals

b.

life around us

d.

all of these



____ 19. Living things do not adapt to their surroundings by _____.

a.

making adjustments to nonliving factors around them

b.

maintaining a steady internal environment

c.

responding to other organisms

d.

building on previous knowledge



____ 20. Which statement is incorrect? As an organism develops, _____.

a.

it produces more of its own kind

b.

it takes on the characteristics of a particular species

c.

its amount of living material increases

d.

different parts grow at different rates



____ 21. The study of standards for what is right and what is wrong is called _____.

a.

pure science

c.

ethics

b.

applied science

d.

technology



____ 22. The information gathered from experiments is called _____.

a.

the data

c.

the hypothesis

b.

the research

d.

the conclusion



____ 23. A structured procedure for collecting information to test a hypothesis is a(n) _____.

a.

principle

c.

control

b.

theory

d.

experiment



____ 24. The application of science to the needs and problems of society is _____.

a.

quantitative research

c.

descriptive research

b.

technology

d.

pure science



____ 25. A scientific explanation of known facts arrived at through repeated testing over time is a(n) _____.

a.

theory

c.

natural law

b.

observation

d.

experiment



____ 26. The part of an experiment in which all conditions are kept the same is the _____.

a.

hypothesis

c.

conclusion

b.

control

d.

independent variable



____ 27. The steps commonly used by scientists in gathering information to test hypotheses and solve problems are called _____.

a.

descriptive research

c.

scientific methods

b.

pure science

d.

applied science



____ 28. A testable explanation for a question or problem is a(n) _____.

a.

experiment

c.

observation

b.

hypothesis

d.

verifiable law



____ 29. Knowledge gained by scientific research _____.

a.

can always be used to provide monetary benefits for humans

b.

always raises social, ethical, and moral concerns

c.

is never inherently good or bad

d.

never results in data that can be applied to solve problems



____ 30. Technology has allowed humans to produce more food and reduce the chance of starvation by individuals in some countries. How has this advance created additional technological needs?

a.

The technology has allowed populations to continue to grow, creating the need for additional food.

b.

The technology caused salts to be deposited in soils.

c.

The technology caused the false belief that the problem was solved forever.

d.

All of these.



____ 31. Why is the hypothesis that black cats cause bad luck not science?

a.

The results of studying the hypothesis are not repeatable.

b.

The results of studying the hypothesis are open to judgment.

c.

The hypothesis cannot be tested by controlled experiments.

d.

All of these.



____ 32. Which of the following studies is outside the realm of science?

a.

astrology

c.

plant growth

b.

animal behavior

d.

bacterial reproduction



____ 33. Because it is often difficult to gather numerical data, _____ information is collected.

a.

quantitative

c.

scientific

b.

descriptive

d.

ethical



____ 34. Quantitative research is often reported as _____ to aid understanding.

a.

graphs or charts

c.

long lists of numbers

b.

descriptions of behavior

d.

all of these



____ 35. _____ research is usually based on numerical measurements.

a.

Ethical

c.

Quantitative

b.

Descriptive

d.

Scientific



____ 36. An experiment is _____.

a.

an observation about nature

c.

a problem that may be solved

b.

a way to prove a fact

d.

a test of a hypothesis



____ 37. Students of a biology class ran an experiment on a type of flowering plant. Their goal was to find the optimal time in the plant's life for flowering. What time period will provide the most flowering plants? Use Table 1-1 to determine your answer.

^ Table 1-1


Day

Number of Plants Flowering

2

6

4

12

6

18

8

22

10

8




a.

5-6 days

c.

7-8 days

b.

6-7 days

d.

8-9 days



____ 38. Which of the following results from quantitative analysis of Figure 1-6?



^ Figure 1-6

a.

the babies are cold

b.

there are 7 babies

c.

there isn’t enough food

d.

these are the first babies this rabbit has had



____ 39. What might be involved in a lab that contained the warnings in Figure 1-7?



^ Figure 1-7

a.

small animals

c.

sharp objects

b.

dangerous plants

d.

dangerous chemicals



____ 40. Which of the adaptations on a dolphin, shown in Figure 1-8 is used for breathing underwater?



^ Figure 1-8

a.

A

c.

C

b.

B

d.

D



____ 41. Which of the examples shows a response to a stimulus?

a.




c.




b.




d.






____ 42. Which of the pictures in Figure 1-10 shows the most diversity?

a.




c.




b.




d.






____ 43. Which of the following compounds may be polymers?

a.

carbohydrates

c.

proteins

b.

nucleic acids

d.

all of these



____ 44. Which of the following does NOT describe a polymer?

a.

Polymers are made of monomers.

b.

Polymers are large molecules.

c.

Polymers usually form by covalent bonding.

d.

Polymers are broken down by the process of hydrogenation.



____ 45. Carbon compounds that come from living organisms are called _____ compounds.

a.

water

c.

homogeneous

b.

organic

d.

biological



____ 46. How many electrons can a carbon atom share?

a.

one

c.

three

b.

two

d.

four



____ 47. Which of the following is a chemical reaction?

a.

tearing paper into strips

b.

burning paper

c.

picking up iron filings with a magnet

d.

mixing salt and sugar in the same container



____ 48. _____ represents a formula for a chemical compound.

a.

H

c.

P

b.

C

d.

H2O



____ 49. The nucleus of an atom contains _____.

a.

protons and neutrons

c.

protons and electrons

b.

neutrons and electrons

d.

protons, neutrons, and electrons



____ 50. Electrons move about the nucleus of an atom in regions called _____.

a.

electron clouds

c.

air

b.

nuclei

d.

isotopes



____ 51. What are the basic building blocks of proteins?

a.

nucleic acids

c.

amino acids

b.

peptide bonds

d.

glycerol and fatty acids



____ 52. Water dissolves many ionic and molecular compounds because of its _____.

a.

ionic bonding

c.

covalent bonding

b.

polarity

d.

hydrogen bonding



____ 53. When molecules of glucose and fructose combine to form sucrose, they do so by _____.

a.

hydrolysis

c.

condensation

b.

electron clouds

d.

radiation



____ 54. A chlorine atom becomes a chloride ion when it _____.

a.

gains an electron

c.

gains a neutron

b.

loses an electron

d.

loses a proton



____ 55. The various enzymes in our bodies are _____.

a.

lipids

c.

nucleotides

b.

carbohydrates

d.

proteins



____ 56. Glucose and fructose, with the formula C6H12O6, differ in _____.

a.

numbers of atoms

c.

kinds of atoms

b.

arrangement of atoms

d.

arrangement of electrons



____ 57. A very strong base might have a pH of _____.

a.

3

c.

9

b.

5

d.

13



____ 58. Carbon-12, carbon-13, and carbon-14 are _____.

a.

isotopes

c.

radioisotopes

b.

polymers

d.

macromolecules



____ 59. The total number of atoms in a molecule of sucrose, C12H22O11, is _____.

a.

11

c.

22

b.

12

d.

45



____ 60. An atom of fluorine has nine electrons. Its second energy level has _____.

a.

two electrons

c.

seven electrons

b.

eight electrons

d.

nine electrons



____ 61. An unsaturated lipid contains _____.

a.

more oxygen than hydrogen

c.

ionic bonds

b.

double bonds

d.

only one fatty acid



____ 62. Unlike carbohydrates and fats, proteins contain _____.

a.

nitrogen

c.

hydrogen

b.

carbon

d.

oxygen



____ 63. Diffusion continues until there is no _____.

a.

dynamic equilibrium

c.

concentration gradient

b.

turgor pressure

d.

homeostasis



____ 64. Brownian motion is evidence of _____.

a.

polar ions

c.

chemical energy

b.

random motion of molecules

d.

microorganisms



____ 65. Which of the atoms pictured in Figure 6-3 is most likely to form an ion?



^ Figure 6-3

a.

C

b.

Na

c.

O

d.

they are all equally likely to form an ion



____ 66. Which of the images in Figure 6-4 depicts dynamic equilibrium?



^ Figure 6-4

a.

A

c.

C

b.

B

d.

D



____ 67. Which element would need to be removed from the molecule in Figure 6-5 to make it unsaturated?



^ Figure 6-5

a.

carbon

c.

oxygen

b.

hydrogen

d.

phosphorus


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