Author: Biology Junction Team

Introduction to Biology Quiz 2

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Introduction to Biology

 

 

True/False
Indicate whether the sentence or statement is true or false.
1.
Only multicellular organisms use energy for growth and maintenance.
2.
Scientific investigations always follow a series of rigidly defined steps.
3.
Communicating scientific information may result in the development of new hypotheses.
4.
All living things are composed of cells.
5.
In a carefully planned experiment, the variable being studied is omitted from the experimental group.
6.
Scientific understanding is based on observations.
7.
Reproduction is essential for the survival of individual organisms.
8.
The processes of observing, measuring, and organizing data generally lead to the formulation of questions.
9.
Observing is the use of one or more of the senses to perceive objects or events.
10.
The study of biology can help you better understand human reproduction.
11.
Almost all organisms ultimately get their energy for survival from the sun.
12.
A scientist who performs an experiment has no idea what the outcome of the experiment is going to be.
13.
Units of time are not measured in metric units, so time measurements are not accepted for use with SI units.
 

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
14.
The step in a scientific method that is most likely to take the form of an IF_THEN statement is called:
a.
prediciton
c.
experimenting
b.
inference
d.
modeling
15.
The number of frogs in a pond increases each year due to:
a.
homeostasis
c.
organization
b.
reproduction
d.
the food chain
16.
When an experiment gives an important result, these results should not be
a.
published.
c.
replicated.
b.
withheld.
d.
confirmed.
17.
When a hypothesis is tested and confirmed often enough that it is unlikely to be disproved the hypothesis may become a
a.
theory.
c.
replication.
b.
prediction.
d.
scientific method.
18.
Generally, the order in which a scientist uses the scientific method is
a.
observations, predictions, hypothesis, verifying prediction,theory, verification.
b.
observations, hypothesis, making predictions, verifying predictions, performing control
experiments,theory.
c.
predictions, observations, hypothesis, theory, controlled testing,verification.
d.
observations, hypothesis, predictions, verification, theory.
19.
Generally the first process a scientist uses to obtain knowledge about nature is:
a.
collecting
c.
predicting
b.
observing
d.
measuring
20.
Which of the following steps in scientific method is most likely to directly follow
hypothesizing?
a.
communicating
c.
experimenting
b.
inferring
d.
predicting
21.
The part of the scientific method in which journal articles are prepared is called:
a.
communicating
c.
organizing
b.
observing
d.
classifying
22.
A control
a.
is when a lead scientist controls a group of scientists conducting an experiment.
b.
is always registered with the Food and Drug Administration (FDA).
c.
is the part of an experiment in which a key factor is not allowed to change.
d.
provides the answer to a problem posed by a theory.
23.
Biology is the study of
a.
minerals.
c.
the weather
b.
life.
d.
energy.
24.
Which of the following shows the most complex level of organization?
a.
red blood cells
c.
nerve
b.
stomach
d.
muscle
25.
In the scientific method, the step that follows observing and stating a  problem is
a.
recording data.
c.
forming a hypothesis.
b.
analyzing data.
d.
testing a hypothesis.
26.
The splitting in two of a bacterium is called:
a.
inheritance
c.
development
b.
sexual reproduction
d.
asexual reproduction
27.
Plants and algae use energy that comes from
a.
the sun.
b.
the movement of the Earth.
c.
the moon.
d.
heat created deep within the interior of the Earth.
28.
The first living organism on earth was probably a:
a.
single cell
c.
dinosaur
b.
fish
d.
plant
29.
In the scientific method, a possible explanation is called:
a.
hypothesis
c.
an observation
b.
an inference
d.
an analysis
30.
Cell membranes
a.
are only found on a small number of cells.
c.
are made of DNA
b.
contain genes.
d.
are thin coverings that surround cells.
31.
The combining of genetic information from two individuals to produce offspring is called:
a.
inheritance
c.
sexual reproduction
b.
development
d.
asexual reproduction
32.
All organisms possess DNA. DNA
a.
creates energy for the cells.
b.
allows sensitivity to environmental stimuli.
c.
contains information for growth and development.
d.
captures energy from the sun.
33.
Instructions for development that are passed from parents to offspring are known as
a.
a species plan.
c.
genes.
b.
organ codes.
d.
natural selections.
34.
Which of the following is not necessarily a distinct property of living things?
a.
homeostasis
c.
complexity
b.
metabolism
d.
reproduction
35.
Living things
a.
need energy for life processes.
c.
are composed of cells.
b.
have the ability to reproduce.
d.
All of the above
36.
All living things maintain a balance within their cells and the environment through the process of
a.
growth.
c.
homeostasis.
b.
development.
d.
evolution.
37.
Which of the following is not a partial explanation for our lack of understanding of many of the living things on Earth?
a.
Many organisms are microscopic in size and therefore difficult to observe.
b.
Many organisms are so different from other organisms that it is difficult to understand them.
c.
Many organisms live in areas of the world that are difficult to explore.
d.
Tropical rain forests contain many species, and it is difficult to find all of them in these dense forests.
38.
Which example of scientific methodology is incorrect?
a.
Observation—A number of people in Zaire dying of a disease outbreak
b.
Measurement—A record of the number of people with symptoms of the disease and the number of people who had died from the disease
c.
Analysis of data—Comparison of the effects of mixing monkey cells with virus-containing blood in test tubes and the effects of mixing of liquid from these test tubes with fresh monkey cells
d.
Inference making—Identification of the Ebola virus as the cause of the disease by taking electron micrographs of substances found in the blood of persons affected with the disease
39.
The word theory used in a scientific sense means
a.
that of which the scientist is most certain.
b.
a guess made with very little knowledge to support it.
c.
an absolute scientific certainty.
d.
None of the above
40.
A light microscope that has an objective lens of 10´ and an ocular lens of 20´ has a magnification of
a.
30´.
c.
300´.
b.
200´.
d.
2000´.

 
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Insects

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Insects

 

 

True/False
Indicate whether the sentence or statement is true or false.
1.
A flying insect carries pollen from one flower to pollinate other flowers of different species.
2.
Insects comprise the only group of invertebrates whose members are primarily terrestrial.
3.
Insects were the first animals to evolve wings.
4.
Flight enabled insects to search Earth’s surface for food, mates, and nesting sites.
5.
A major factor in the evolutionary success of insects is their ability to move to and survive in new environments.
6.
Insects destroy not only crops but also wood buildings and clothing.
7.
Butterflies undergo incomplete metamorphosis.
8.
Insects use pheromones, sounds, and light to attract mates.
9.
The honeybee’s round dance gives complete location information about a food source.
 

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
10.
From fossils, we know that insects were the first animals to evolve
a.
pincers on their front legs.
c.
jointed legs.
b.
stingers at the end of their tails.
d.
wings.
11.
The most diverse group of animals on Earth are the
a.
reptiles.
c.
insects.
b.
mammals.
d.
amphibians.
12.
Which of the following is not a characteristic of most insects?
a.
wings
c.
small size
b.
three body regions
d.
abdomen with three pairs of legs
13.
While insects destroy crops grown for human consumption, they also contribute to crop production by
a.
serving as food for many animals.
b.
pollinating crop plants.
c.
dying in the soil, and leaving behind nutrients.
d.
stimulating crop plants to grow faster.
14.
Malpighian tubules in insects
a.
remove wastes.
c.
carry Malpighian fluid.
b.
carry blood.
d.
are important in respiration.

      insects_files/i0140000.jpg
15.
Refer to the illustration above. Which of the organisms in the diagrams has a chitinous exoskeleton?
a.
Organism “A”
c.
Organism “C”
b.
Organism “B”
d.
Organism “D”

      insects_files/i0160000.jpg
16.
Refer to the illustration above. Mandibles are attached to the structure labeled
a.
“A.”
c.
“C.”
b.
“B.”
d.
“D.”
17.
Refer to the illustration above. The structure labeled “C” is called the
a.
diptera.
c.
boll.
b.
thorax.
d.
abdomen.
18.
Pheromones are used by ants to
a.
guide members of a colony back to their own nest.
b.
determine which ants will become queens of future colonies.
c.
ensure that females mate with only one male.
d.
warn members of a colony of adverse environmental conditions.
19.
Which of the following are the reproductive members of a honeybee colony?
a.
drones
c.
workers
b.
queen
d.
a and b
20.
Which of the following is the accepted explanation for the existence of sterile female worker bees?
a.
Because they are sterile, they do not have to use energy to produce eggs and therefore can use energy to collect food for other bees.
b.
Workers become sterile when they leave the nest to obtain food and are exposed to toxic substances.
c.
Workers pass on a lot of their own genes by helping their fertile sisters to survive and reproduce.
d.
Workers can become fertile females if they are fed queen factor.

 
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Genetics Practice Test Bi

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Chapter 9 Test, Form A
 

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
1.
The “father” of genetics was
a.
T. A. Knight.
c.
Gregor Mendel.
b.
Hans Krebs.
d.
None of the above
2.
Mendel obtained his P generation by allowing the plants to
a.
self-pollinate.
c.
assort independently.
b.
cross-pollinate.
d.
segregate.
3.
What is the probability that the offspring of a homozygous dominant individual and a homozygous recessive individual will exhibit the dominant phenotype?
a.
0.25
c.
0.66
b.
0.5
d.
1.0
4.
True-breeding pea plants always
a.
are pollinated by hand.
b.
produce offspring with either form of a trait.
c.
produce offspring with only one form of a trait.
d.
are heterozygous.
5.
The first filial (F1) generation is the result of
a.
cross-pollination among parents and the next generation.
b.
crosses between individuals of the parental generation.
c.
crosses between the offspring of a parental cross.
d.
self-fertilization between parental stock.
6.
Which of the following is the designation for Mendel’s original pure strains of plants?
a.
P
c.
F1
b.
P1
d.
F2
7.
A genetic trait that appears in every generation of offspring is called
a.
dominant.
c.
recessive.
b.
phenotypic.
d.
superior.
8.
To describe how traits can disappear and reappear in a certain pattern from generation to generation, Mendel proposed
a.
the law of independent assortment.
b.
the law of segregation.
c.
the law of genotypes.
d.
that the F2 generation will only produce purple flowers.
9.
When Mendel crossed pea plants with two contrasting traits, such as flower color and plant height,
a.
these experiments led to his law of segregation.
b.
he found that the inheritance of one trait did not influence the inheritance of the other trait.
c.
he found that the inheritance of one trait influenced the inheritance of the other trait.
d.
these experiments were considered failures because the importance of his work was not recognized.
10.
If an individual has two recessive alleles for the same trait, the individual is said to be
a.
homozygous for the trait.
c.
heterozygous for the trait.
b.
haploid for the trait.
d.
mutated.
11.
An individual heterozygous for a trait and an individual homozygous recessive for the trait are crossed and produce many offspring that are
a.
all the same genotype.
c.
of three different phenotypes.
b.
of two different phenotypes.
d.
all the same phenotype.
In humans, having freckles (F) is dominant to not having freckles (f). The inheritance of these traits can be studied using a Punnett square similar to the one shown below.
      evhm2gen-b_files/i0100000.jpg
12.
Refer to the illustration above. The genotype represented in box “1” in the Punnett square would
a.
be homozygous for freckles.
b.
have an extra freckles chromosome.
c.
be heterozygous for freckles.
d.
have freckles chromosomes.
13.
Refer to the illustration above. The genotype in box “3” of the Punnett square is
a.
FF.
c.
ff.
b.
Ff.
d.
None of the above
14.
How many different phenotypes can be produced by a pair of codominant alleles?
a.
1
c.
3
b.
2
d.
4
evhm2gen-b_files/i0130000.jpg
15.
Refer to the illustration above. The phenotype represented by the cell labeled “1” is
a.
green, inflated.
c.
yellow, inflated.
b.
green, constricted.
d.
yellow, constricted.
16.
2,000 yellow seeds : 8,000 total seeds ::
a.
1 : 6
c.
1 : 3
b.
1 : 8
d.
1 : 4
In rabbits, black fur (B) is dominant to brown fur (b). Consider the following cross between two rabbits.
      evhm2gen-b_files/i0160000.jpg
17.
Refer to the illustration above. Both of the parents in the cross are
a.
black.
c.
homozygous dominant.
b.
brown.
d.
homozygous recessive.
18.
Refer to the illustration above. The phenotype of the offspring indicated by box “3” would be
a.
brown.
c.
a mixture of brown and black.
b.
black.
d.
The phenotype cannot be determined.
19.
What is the expected phenotypic ratio resulting from a homozygous dominant ´ heterozygous monohybrid cross?
a.
1:3:1
c.
2:1
b.
1:2:1
d.
1:0
      evhm2gen-b_files/i0240000.jpg
20.
Refer to the illustration above. The phenotype represented by the cell labeled “1” is
a.
round, yellow.
c.
wrinkled, yellow.
b.
round, green.
d.
wrinkled, green.
21.
An organism that has inherited two of the same alleles of a gene from its parents is called
a.
hereditary.
c.
homozygous.
b.
heterozygous.
d.
a mutation.
22.
In pea plants, yellow seeds are dominant over green seeds. What would be the expected genotype ratio in a cross between a plant with green seeds and a plant that is heterozygous for seed color?
a.
1:3
c.
4:1
b.
1:2:1
d.
1:1
23.
codominance : both traits are displayed ::
a.
probability : crosses
b.
heterozygous : alleles are the same
c.
homozygous : alleles are the same
d.
Punnett square : chromosomes combine
24.
The difference between a monohybrid cross and a dihybrid cross is that
a.
monohybrid crosses involve traits for which only one allele exists, while dihybrid traits involve two alleles.
b.
monohybrid crosses involve self-pollination, while dihybrid crosses involve cross-pollination.
c.
monohybrid crosses involve one gene; dihybrid crosses involve two genes.
d.
dihybrid crosses require two Punnett squares; monohybrid crosses need only one.
25.
What fraction of the offspring resulting from a heterozygous ´ heterozygous dihybrid cross are heterozygous for both traits?
a.
9/16
c.
3/16
b.
1/4
d.
1/16

 
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Internal Anatomy of the Fetal Pig Exam

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Internal Anatomy of the Fetal Pig Exam

1. What does the letter L refer to in the figure of the internal anatomy of the fetal pig?

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2. In the figure of the internal anatomy of the fetal pig, what letter refers to the thyroid gland?

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3. In the figure of the internal anatomy of the fetal pig, what letter refers to the left lung?

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4. What does the letter C refer to in the figure of the internal anatomy of the fetal pig?

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5. What does the letter J refer to in the figure of the internal anatomy of the fetal pig?

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6. In the figure of the internal anatomy of the fetal pig, what letter refers to the urinary bladder?

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7. What does the letter M refer to in the figure of the internal anatomy of the fetal pig?

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8. What does the letter A refer to in the figure of the internal anatomy of the fetal pig?

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9. In the figure of the internal anatomy of the fetal pig, what letter refers to the diaphragm?

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10. What does the letter F refer to in the figure of the internal anatomy of the fetal pig?

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11. In the figure of the internal anatomy of the fetal pig, what letter refers to the liver?

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12. In the figure of the internal anatomy of the fetal pig, what letter refers to the right common carotid artery?

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13. What does the letter N refer to in the figure of the internal anatomy of the fetal pig?

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14. What does the letter G refer to in the figure of the internal anatomy of the fetal pig?

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15. What does the letter E refer to in the figure of the internal anatomy of the fetal pig?

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16. In the figure of the internal anatomy of the fetal pig, what letter refers to the small intestine?

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17. In the figure of the internal anatomy of the fetal pig, what letter refers to the heart?

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18. In the figure of the internal anatomy of the fetal pig, what letter refers to the umbilical vein?

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19. What does the letter B refer to in the figure of the internal anatomy of the fetal pig?

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20. In the figure of the internal anatomy of the fetal pig, what letter refers to the larynx?

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21. What does the letter K refer to in the figure of the internal anatomy of the fetal pig?

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22. In the figure of the internal anatomy of the fetal pig, what letter refers to the left common carotid artery?

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23. In the figure of the internal anatomy of the fetal pig, what letter refers to the umbilical arteries?

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24. In the figure of the internal anatomy of the fetal pig, what letter refers to the large intestine?

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25. What does the letter H refer to in the figure of the internal anatomy of the fetal pig?

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26. What does the letter I refer to in the figure of the internal anatomy of the fetal pig?

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27. What does the letter D refer to in the figure of the internal anatomy of the fetal pig?

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28. In the figure of the internal anatomy of the fetal pig, what letter refers to the right lung?

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