Disclaimer: While every reasonable effort is made to ensure that the information provided is accurate, no guarantees for the currency or accuracy of information are made. It takes several proof readings and rewrites to bring the quiz to an exceptional level. If you find an error, please contact me as soon as possible. Please indicate the question description because server may randomize the questions and answers.

Go to: Midterm I | Midterm III | Final Exam

Biology 205 (BIOL 205-UCAL) Midterm II

Please wait while the activity loads.
If this activity does not load, try refreshing your browser. Also, this page requires javascript. Please visit using a browser with javascript enabled.

If loading fails, click here to try again

Some questions have hints and explanations. Click Start to begin.

Start

Congratulations - you have completed Biology 205 (BIOL 205-UCAL) Midterm II.

You scored %%SCORE%% out of %%TOTAL%%. With incorrect multiple tries your score is %%PERCENTAGE%%

Your performance has been rated as %%RATING%%

Your answers are highlighted below.

Question 1

Which of these is not a member of the anthropoids?

A	Humans
B	Gibbons
C	Gorillas
D	Tarsiers
E	Monkeys

Question 2

Organisms wit which of the feeding mechanism has the most complex digestive system?

A	Bulk feeders
B	Fluid feeders
C	Substrate feeders
D	Suspension feeders

Question 3

Mammals belongs to the amniotes. However, mammals are different from reptiles (also amniotes) because...

A	...mammals have thick notochords.
B	...mammals do not produce eggs.
C	...mammals are part of the primate group.
D	...mammals have hair and mammary glands.
E	...mammals are also tetrapods.

Question 4

Coordination and learning of new body movements is mostly controlled by what part of the brain?

A	Pons midbrain in the Brain Stem.
B	Medulla oblongata in the Brain Stem.
C	Cerebellum.
D	Cerebrum.
E	Hypothalamus.

Question 5

Which of the following anthropoids is well known to be the first one to use sophisticated stone tools?

A	Homo ergaster
B	Homo sapiens
C	Homo erectus
D	Homo neanderthalensis
E	Homo habilis

Question 6

What is the evolutionary connection between the lungs and swim bladders?

A	Both developed at the same time under same environmental conditions.
B	Swim bladders evolved from lungs.
C	Lugs evolved from swim bladders.
D	They have no evolutionary connection because they are analogous features.

Question 7

Which of the clades, ray-finned fishes belongs to?

A	Chordates, Vertebrates
B	Chordates, Vertebrates, Jawed vertebrates
C	Chordates, Vertebrates, Jawed vertebrates, Tetrapods
D	Chordates, Vertebrates, Jawed vertebrates, Tetrapods, Amniotes
E	Chordates, Vertebrates, Jawed vertebrates, Amniotes

Question 8

Which of the following hominins were the earliest to colonize beyond Africa?

A	Homo erectus
B	Homo neanderthalensis
C	Homo sapiens
D	Homo ergaster
E	Homo habilis

Question 9

The following diagram is a phylogenetic tree of primates. What organisms are indicated by VI and VII respectively?

A	Orangutans and Gorillas
B	Gibbons and Orangutans
C	Orangutans and Gibbons
D	Gorillas and Chimpanzees
E	Tarsiers and Gibbons

Question 10

How many amino acids human body cannot produce its own?

A	Five
B	Fifteen
C	Eight
D	Ten
E	Three

Question 11

What is the relationship between evolution of feathers and flight?

A	It is difficult to prove the connection between feathers and flight due to lack of scientific evidence.
B	There is no relationship between them because feathers are just skin protectors.
C	The flight evolved first then feathers evolved to insulate high flying birds from old air masses.
D	The feathers evolved first as an insulation mechanism and later the flight was evolved.
E	The flight and feathers evolved at the same time.

Question 12

Which of the following statement is true about resting potential of human nervous system?

A	Resting neurons have a slightly negative charge inside the cell.
B	Resting neurons for humans is about +/- 5 mV.
C	Resting neurons have a slightly positive charge inside the cell.
D	Resting neurons have a zero charge inside the cell.

Question 13

What was the function of gill slits, which lead to the formation of jaws, at the very beginning of their evolution?

A	Catching or killing the prey.
B	Trapping suspended food particles.
C	Pumping water for movement.
D	Crushing and grinding of food particles.
E	Breathing by exchanging oxygen atoms from the water.

Question 14

What is the main reason for the evolutionary development of amniotes?

A	Adaptation to terrestrial environments.
B	Reduce the zygote breakdown.
C	As a counteraction to balance the pressure and temperature conditions of the zygote.
D	Protect the eggs from predators.

Question 15

What mammal lineage do humans belong to?

A	Marsupials
B	Monotremes
C	Euterians
D	Biotremes

Question 15 Explanation:

Also known as placental mammals due to complex placentas.

Question 16

Which part of this diagram of the human brain depicts the thalamus?

Image Credit: Campbell Biology Concepts & Connections by Reece, Taylor, Simon, Dickey and Soctt

A	Part D
B	Part B
C	Part A
D	Part C

Question 17

Which of the following statements about animal digestive system is true?

A	Meat is more difficult to digest than vegetable matter because of its high protein content.
B	Cellulose-digesting microbes are equally abundant both in carnivores and herbivores.
C	Omnivores have longer digestive track then carnivores of similar body size because vegetation is more difficult to break digest.
D	All vertebrates process hard solid foods in the Gizzard before the nutrients are absorbed by the intestine.

Question 18

If two groups of organisms interbreed, but resulting organism can no longer produce viable offspring of his/her own, the system is said to be...

A	...experiencing a hybrid breakdown.
B	...experiencing a reduced hybrid fertility.
C	...in gametic isolation state.
D	...experiencing a reduced hybrid viability.
E	...in temporal isolation state.

Question 19

Based on the three main categories of how animals obtain and process food, which of the following does not fit with the others?

A	Cockroaches
B	Crows
C	Raccoons
D	Human
E	Gorilla

Question 19 Explanation:

Gorilla belongs to the herbivores while others belongs to the omnivores.

Question 20

Which of the following belongs to Peripheral nervous system (PNS)?

I. Cranial nerves
II. Spinal nerves
III. Brain
IV. Spinal cord

A	All of the listed items.
B	III and IV
C	I and II
D	I, II and III
E	None of the listed items.
F	II and IV

Question 21

Biologists found over 1000 different snake species on one island. This is an example of what mechanism?

A	Zygotic barriers
B	Temporal isolation
C	Adaptive radiation
D	Polyploidy
E	Sympathetic speciation

Question 22

The fin extensions in front of the stingrays are used for...

A	...funnel in water for suspension feeding.
B	...move on the seabed and for sediment filtering.
C	...swim against the currents.
D	...attack prey.

Question 23

What is unique about PhyloCode classification?

A	It includes only the evidence from DNA and other genetic materials.
B	It includes a common ancestor and all its decedents.
C	It includes the new classification categories such as sub-phylums and sub-domains.
D	It includes only the evidence from fossils record.

Question 24

Human brain estimated to have how many neutrons?

A	800 billion
B	800 million
C	500 billion
D	100 billion
E	100 million

Question 25

In a hot arid environment, evolution prefer organisms with what type of adaptation(s)?

A	Organisms with lungs instead of a skin-bases gas exchanges.
B	Organisms that have the ability to fly therefore allowing them to migrate to locations with more food/water.
C	Organisms with ectothermic metabolism.
D	Organisms with endohermic metabolism.
E	Organisms that can store high volume of water within their bodies.

Question 26

According to current fossil record and our understanding, which came first; bipedalism, large brains or both around the same time?

A	Not enough evidence to support either way.
B	Large brains
C	Both around the same time
D	Bipedalism

Question 27

Which of the following undergoes the fastest evolution? (fastest change in terms of time)

A	RNA
B	DNA
C	mtDNA
D	rRNA

Question 28

Humans are belong to __I__ Domain and __II__ Phylum.

A	I. Eukaryota II. Primates
B	I. Archaea II. Primates
C	I. Primates II. Homininae
D	I. Chordata II. Primates
E	I. Eukaryota II. Chordata

Question 29

The first tetrapods were most likely...

A	...vertebrates with complex lungs.
B	...sting rays with gas exchange lungs.
C	...fishes that dragged themselves from one pool of water to another.
D	...fishes with necks and four limbs.

Question 30

Which of the following vitamins is responsible for production of nucleic acids and read blood cells?

A	Vitamin K
B	Vitamin A
C	Vitamin B₁₂
D	Vitamin B₁
E	Vitamin B₆

Question 31

What is the best description for Humpback whales?

A	They are substrate feeders.
B	They are herbivores and the primary diet is eat seaweed.
C	They are fluid feeders.
D	They are suspension feeders.
E	They are omnivores that feeds on both seaweeds and fishes.

Question 32

In cladistics, what do you call the organisms that is known to have diverged before the linage of interest?

A	drifted organisms
B	ingroup
C	derived organisms
D	outgroup

Question 33

During digestion, fats brake down to fatty acids and what other chemical compound?

A	Amino acids
B	Nucleotides
C	Hydrochloric acid
D	Monosaccharides
E	Glycerol

Question 34

Which of the following statements are true about vitamins and minerals?

A	They are chemicals produced by the monosccharies and absorbed through amino acids.
B	While it is possible to live a healthy life without minerals, all humans must requires vitamins.
C	They are compounds usually acquired from food sources. Vitamins are organic compounds while minerals are inorganic compounds.
D	There are thirty essential vitamins requirements for humans according to Health Canada guidelines.
E	They are organic substances which human do not produce its' own. Mostly acquired from food sources.

Question 35

In cladistics, what is the primary criterion for grouping of organisms?

A	Common homologous and analogous features.
B	Fossil record indicating similar characteristics.
C	Ability to interbreed among individuals.
D	Common ancestral based decedents.
E	Ability to interbreed and reproduce viable offspring.

Question 36

Which of the following group best describe the first vertebrates on land?

A	Animalia
B	Tetrapods
C	Bipedal vertebrates
D	Cordatas

Question 37

Which of the following is a common characteristic of hagfishes and lampreys?

A	They both lack endoskeleton.
B	Hagfishes lack jaws and lampreys lack endoskeleton.
C	They both produce slime when threatened and it can be used for manufacturing textiles.
D	They both lack jaws.

Question 38

Peter and Rosemary Grants have studied evolutionary changes in Darwin's finches. Which of the the statements best describe the key conclusion of this study?

A	The response to environmental changes often result in dramatic shift in phenotypes.
B	Competition for food can drive evolutionary changes and adaptations.
C	Darwin's finches are unique because they are the only population to have a large variation in beak sizes.
D	Hybrids have better survival rate than the others in a population.

Question 39

What is the primary function of a placenta?

A	Diffusion of nutrients from mother's blood to embryo's blood.
B	Protection of embryo from any external forces; chemical and physical.
C	Storing and processing nutrients.
D	Gas exchange for breathing.
E	Controlling temperature, pressure and chemical compounds for the embryo.

Question 40

You open the Biology 205 exam booklet. You read the first question and realized that unlike Geology 449, you can actually answer the question using logic, reasoning and memory. After analyzing the question, you use your hand to record an answer. What are the steps which your nervous system takes to process above scenario?

A	Sensory receptor takes in the information and passed to the integration section of the Peripheral Nervous System through Central Nervous System. Once the information is processed, it is passed to organs through Central Nervous System.
B	Sensory receptor takes in the information and passed to the integration section of the Central Nervous System through Peripheral Nervous System. Once the information is processed, it is passed to organs through Peripheral Nervous System.
C	Sensory receptor takes in the information and passed to the integration section of the Central Nervous System directly. Once the information is processed, it is passed to organs through Peripheral Nervous System.
D	Sensory receptor takes in the information and passed to the integration section of the Peripheral Nervous System through Central Nervous System. Once the information is processed, it is passed to organs through Peripheral Nervous System.
E	Sensory receptor takes in the information and passed to the integration section of Central Nervous System directly. Once the information is processed, it is passed to organs through Central Nervous System.

Question 41

Some of the muscles and glands in the digestive track is controlled by...

A	...central nervous system.
B	...sympathetic division of the motor nervous system.
C	...enteric division of the autonomic nervous system.
D	...sympathetic division of the autonomic nervous system.
E	...motor system of the peripheral nervous system.

Question 42

Which of the following in our Nervous System responsible for insulating axons?

A	axon hillock
B	cell body
C	myelin sheath and glia
D	glia
E	myelin sheath

Question 43

How do we describe a situation where a species undergo little or no change for a long period of time but characterized by sudden changes?

A	The population has experienced an allopatric speciation.
B	The species most likely increased in diversity and their hybrid population.
C	This situation most likely caused by genetic drift.
D	Species experienced a punctuated equilibrium.

Question 44

What is the primary weakness in majority of modern phylogenetic trees?

A	The rapid evolutionary events are poorly recorded and therefore often not included in phylogenetic trees.
B	The lack of fossil record to trace the phylogenetic sequence to a common accessory.
C	The lack of DNA evidence to support most of the lineage events,
D	The lack of timing for each lineage event.

Question 45

What is the first modern phylum to evolve a nervous system?

A	Arthropods
B	Annelids
C	Cnidarians
D	Planarians
E	Molluscs

Question 46

Which of the following food molecule is not a polymer?

A	Protein
B	Fat
C	Nucleic acids
D	Saccharides

Question 47

Were do we find most of the evidence for bipedalism?

A	Based on the DNA structure of arthropods.
B	Based on the placement of spinal cord opening on the skulls.
C	Based on the length ratio of limbs to arms.
D	Based on the type of tools utilized by the arthropods.
E	Based on the size of the exoskeleton.

Question 48

Which of the following is a true statement about hard bones and/or cartilages?

A	They are considered to be made up of nonliving materials, but bones are cartilages are generated by living cells.
B	Primary function of the cartilages is to support mechanical movements of organisms.
C	Exoskeleton doesn't grow at the same rate as the physical growth of an organism.
D	Skeletal structure of the body is made up of about 90% cartilages.

Question 49

Scientists have used the molecular clock model to identify the origins of HIV-1M virus which causes AIDS. What is the major assumption in molecular clock model?

A	The rate at which the HIV genome evolve is consent at all times.
B	The HIV virus originated from primates and transferred to human.
C	The HIV genome is composed of fast self replicating DNA that produce a new evolutionary trait at an exponential rate.
D	The modern HIV virus is derived from an ancestor that have the exact same characteristics as the current HIV-1M virus.

Question 50

What is the primary function of chorion and allantois in amniotic egg?

A	Structure for the shell in which the honeycomb allantois attached itself to chorion.
B	Protection of the embryo from the outside environment through temperature regulation.
C	Enables the embryo to obtain oxygen from air and dispose carbon dioxide.
D	Production and processing of nutrients for the embryo.

Question 51

If a particular characteristic of a clade is not found in their ancestor, it is most likely a...

A	...shared ancestral character.
B	...shared derived character.
C	...genetically modified character.
D	...genetically evolved character.
E	...ancestral character.

Question 52

Why do chameleons change colour?

A	For altruism and mimicry where one individual or more benefited by changing appearance,
B	To warn the predators.
C	To communicate with each other.
D	To blend into the surrounding environment.

Question 53

Amphibians dominated the Carboniferous period. However, their adaptation to different environments is hindered by...

A	...large number of predators.
B	...limited viable offspring.
C	...vulnerability to dehydration.
D	...limited food supply.

Question 54

What is the resting potential voltage for human nervous system?

A	100 mV
B	10 mV
C	+50 mV
D	-30 mV
E	-70 mV

Question 55

Which of the following organism is not belong to the apes category?

A	Monkeys
B	Gibbons
C	Bonobos
D	Orangutans
E	Chimpanzees

Question 55 Explanation:

But note that both monkeys and apes are part of the anthropod group.

Question 56

What part of the world you expect to observe marsupials in their natural habitat (modern day)?

A	Antarctic region.
B	China
C	Russia and Canada
D	South Asia
E	New Zealand

Question 56 Explanation:

Also Australia, Central and South America.

Question 57

During digestion, nucleic acids brake down what chemical compound/component?

A	Amino acids
B	Monosaccharides
C	Glycerol
D	Fatty acids
E	Nucleotides

Question 58

The following diagram is a phylogenetic tree of primates. What organisms are indicated by I, II, III, and IV respectively?

A	I. Tarsiers II. New World monkeys III. Gibbons IV. Orangutans
B	I. Old World monkeys II. New World monkeys III. Gibbons IV. Orangutans
C	I. New World monkeys II. Old World monkeys III. Tarsiers IV. Chimpanzees
D	I. Tarsiers II. New World monkeys III. Old World monkeys IV. Gibbons
E	I. New World monkeys II. Old World monkeys III. Gibbons IV. Chimpanzees

Question 59

Which of the following statement is false?

A	Food molecules are chemical broken down by specialized enzymes.
B	Integration of sensory data occurs within the Central Nervous System.
C	Humans are generically closer to Chimpanzees than to Gorillas.
D	Cecum of a cow is much larger than that of a human.
E	All tissues in a healthy human body have the ability to regenerate.

Question 59 Explanation:

Nervous tissues do not regenerate like other tissues. In rare cases, the regeneration is extremely slow and often does not recover back to the original condition.

Question 60

Which arrow shows the release of digestive enzymes by the liver?

Image Credit: Campbell Biology Concepts & Connections by Reece, Taylor, Simon, Dickey and Soctt

A	Arrow A
B	Arrow B
C	Arrow C
D	Arrow D

Question 61

The Vitamin K plays an important role in what function of the human body?

A	Visual pigments and epithelial tissues
B	Collagen synthesis
C	Blood clotting
D	Synthesis of fat
E	Amino acid metabolism

Question 62

Where do the majority of nutrients stored in the amniotic egg?

A	Amnion
B	Chorion
C	Embryo
D	Yolk
E	Allantois

Once you are finished, click the button below. Any items you have not completed will be marked incorrect. Get Results

There are 62 questions to complete.

←

List

→

Return

Shaded items are complete.

1	2	3	4	5
6	7	8	9	10
11	12	13	14	15
16	17	18	19	20
21	22	23	24	25
26	27	28	29	30
31	32	33	34	35
36	37	38	39	40
41	42	43	44	45
46	47	48	49	50
51	52	53	54	55
56	57	58	59	60
61	62	End

Return

Credits: Based on the excellent class notes provided by, Dr. K. Ruckstuhl during Fall 2014.
FAQ | Report an Error

You may download this exam as a PDF file here.

If you get a question wrong, you can still click on the other answers. This will open up hints and explanations (if available), which will provide additional information.

Sanuja Senanayake

Biology 205 Midterm II-University of Calgary

Go to: Midterm I | Midterm III | Final Exam

Biology 205 (BIOL 205-UCAL) Midterm II

Standing on the shoulders of giants

Go to: Midterm I | Midterm III | Final Exam

Biology 205 (BIOL 205-UCAL) Midterm II

Print/Share:

Standing on the shoulders of giants