Jaslyn Villalona
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Practice test for Dr. Geiger Biology 2 Exam

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Jaslyn Villalona
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Exam 3 Practice Test

Questão 1 de 55

1

Which feature/trait do squid and octopus have that other members of phylum Mollusca, such as clams/oysters/snails, do not have?

Selecione uma das seguintes:

  • heterotrphy

  • bilateral symmetry

  • closed circulatory system

  • tissues

  • multicellularity

Explicação

Questão 2 de 55

1

Which of the following is (are) unique to animals ?

Selecione uma das seguintes:

  • heterotrophy

  • flagellated gametes

  • nervous conduction and muscular movement

  • the structural carbohydrate, chitin

  • cells that have mitochondria

Explicação

Questão 3 de 55

1

What is an important advantage to a closed circulatory system?

Selecione uma das seguintes:

  • quicker early development

  • improved movement/activity

  • development of coelom

  • development of tissues

Explicação

Questão 4 de 55

1

Which of the following groups of insects do we think has the highest number of species?

(NOTE: over 400,000 species have been described so far in this group of insects)

Selecione uma das seguintes:

  • butterflies

  • flies

  • beetles

  • bees/wasps/ants

  • grasshoppers

Explicação

Questão 5 de 55

1

Which of these, if true, would support the claim that the ancestral cnidarians had bilateral symmetry?

1.) Cnidarian larvae possess anterior-posterior, left-right, and dorsal-ventral sides/positions.

2.) Cnidarians have fewer Hox genes than bilaterians.

3.) All living cnidarians have both endoderm and ectoderm layers as embryos.

4.) All cnidarians are acoelomate.

Selecione uma das seguintes:

  • statements 2 & 4 only

  • statement 1 only

  • statements 2 & 3 only

  • statements 3 & 4 only

Explicação

Questão 6 de 55

1

Which of the following is NOT a feature of chordates?

Selecione uma das seguintes:

  • pharyngeal slits/clefts

  • ecdysis (i.e., molting)

  • dorsal. hollow nerve cord

  • post-anal tail

  • notochord

Explicação

Questão 7 de 55

1

Which of the following are the only living animals that descended directly from dinosaurs?

Selecione uma das seguintes:

  • snakes

  • birds

  • tuataras

  • lizards

  • crocodiles

Explicação

Questão 8 de 55

1

What can ~ most amphibians do that humans cannot do?

Selecione uma das seguintes:

  • walk using legs

  • breathe through their skin

  • resist gravity with bony internal skeleton

  • have separate pulmonary circuit

  • breathe through lungs

Explicação

Questão 9 de 55

1

Which 2 important features distinguish bony fish (e.g., goldfish, grouper) from cartilaginous fish (e.g., stingrays, sharks)?

Selecione uma das seguintes:

  • gill cover/operculum & post-anal tail

  • post-anal tail & swim bladder

  • dorsal, hollow nerve chord and gills

  • swim bladder & gill cover/ operculum

  • dorsal, hollow nerve chord & post-anal tail

Explicação

Questão 10 de 55

1

Which of the following are the most abundant and diverse of living vertebrates?

Selecione uma das seguintes:

  • mammals

  • birds

  • insects

  • amphibians

  • ray-finned fishes

Explicação

Questão 11 de 55

1

Do members of the phylum Cnidaria have a separate mouth and anus?

Selecione uma das seguintes:

  • Yes

  • No

Explicação

Questão 12 de 55

1

In terms of numbers of species, which is the most successful group of animals?

Selecione uma das seguintes:

  • birds

  • mollusks

  • fishes

  • mammals

  • arthropods

Explicação

Questão 13 de 55

1

Arthropods invaded land about 100 million years before vertebrates did so. This most clearly implies that...

Selecione uma das seguintes:

  • arthropods evolved before vertebrates did

  • ancestral arthropods must have been poorly adapted to aquatic life and thus experienced a selective pressure to invade land

  • arthropods have had more time to coevolve with land plants than vertebrates have had

  • extant terrestrial arthropods are better adopted to terrestrial life than are extant terrestrial vertebrates

Explicação

Questão 14 de 55

1

Of the following organisms, which are amniotes ?

Selecione uma das seguintes:

  • egg-laying mammals only

  • amphibians

  • fishes

  • mammals

  • placental mammals only

Explicação

Questão 15 de 55

1

Which of these characteristics added most to vertebrate success in relatively dry environments?

Selecione uma das seguintes:

  • the ability to maintain a constant body temperature

  • two pairs of appendages

  • a four-chambered heart

  • the shelled, amniotic egg

  • bony scales

Explicação

Questão 16 de 55

1

What kind of symmetry do members of the phylum Porifera exhibit?

Selecione uma das seguintes:

  • bilateral symmetry

  • isohedral symmetry

  • radial symmetry

  • no symmetry

Explicação

Questão 17 de 55

1

Some corals have photosynthetic organisms (i.e., zooxanthellae) living within their tissues. What benefit do these corals get from their photosynthetic 'house- mates"?

Selecione uma das seguintes:

  • sugars

  • CO2 (carbon dioxide)

  • prey items that the zooxanthellae capture

  • a safe place to live

Explicação

Questão 18 de 55

1

What feature do cnidarians have that porifera do not have?

Selecione uma das seguintes:

  • multicellularity

  • sexual reproduction

  • hetertrophy

  • tissues

Explicação

Questão 19 de 55

1

Which of the following terms describes an animal with a body cavity completely enclosed within mesoderm tissue?

Selecione uma das seguintes:

  • pseudocoelomate

  • quasicoelomate

  • coelomate

  • acoelomate

Explicação

Questão 20 de 55

1

The presence of a swim bladder allows the typical ray-finned fish to stop swimming and still

Selecione uma das seguintes:

  • be highly maneuverable

  • effectively circulate its blood

  • use its own bladder as a respiratory organ

  • not sink

Explicação

Questão 21 de 55

1

Which of the following features is NOT present in arthropods?

Selecione uma das seguintes:

  • molting of exoskeleton to grow

  • closed circulatory system

  • segmentation of body parts

  • open circulatory system

  • molting (i.e., replacement of "old" exoskeleton with new one)

Explicação

Questão 22 de 55

1

Which of the following is not an insect?

Selecione uma das seguintes:

  • butterfly

  • bettle

  • ant

  • spider

  • bee

Explicação

Questão 23 de 55

1

Acoelomate (i.e., no coelom) is a feature of chordates... true or false?

Selecione uma das opções:

  • VERDADEIRO
  • FALSO

Explicação

Questão 24 de 55

1

Which of the following organisms does NOT have a 4 chambered heart?

Selecione uma das seguintes:

  • crocidile

  • parrot

  • frog

  • opossum

  • platypus

Explicação

Questão 25 de 55

1

A "complete digestive tract" differs from a gastrovascular cavity in that only the complete tract

Selecione uma das seguintes:

  • permits extracellular digestion

  • has teeth and tentacles to help with ingestion

  • uses its surface area for nutrient absorption

  • has specialized compartments

  • allows elimination of undigested waste

Explicação

Questão 26 de 55

1

In humans, the first opportunity for ingested food to undergo enzymatic hydrolysis is in the

Selecione uma das seguintes:

  • mouth

  • stomach

  • liver

  • small intestine

  • large intestine

Explicação

Questão 27 de 55

1

The brush border/microvilli of the epithelial cells lining the small intestine have a specific form. What is their function?

Selecione uma das seguintes:

  • clean the surfaces of the intestinal cells

  • promote movement of waste products

  • promote movement of chyme

  • nutrient absorption

  • waste excretion

Explicação

Questão 28 de 55

1

The bile salts function in fat digestion by

Selecione uma das seguintes:

  • hydrolyzing fat molecules to glycerol and fatty acids

  • separating individual fat molecules from each other

  • dissolving fats in water

  • dispersing big droplets of fats to small droplets

  • triggering the secretion of pancreatic lipase

Explicação

Questão 29 de 55

1

Increased glucose levels in blood, after a meal trigger

Selecione uma das seguintes:

  • glucagon release from pancreas

  • insulin release from the pancreas

  • secretin release from the duodenum

  • cholecystokinin release from the pancreas

  • activation of amylase in the blood

Explicação

Questão 30 de 55

1

Glucagon, the pancreatic hormone, functions to

Selecione uma das seguintes:

  • stimulate hunger

  • inhibit activity in the small intestine

  • increase fat storage in fat cells

  • reduce glucose levels in the blood

  • stimulate the liver to release glucose

Explicação

Questão 31 de 55

1

The fluid that moves around in the circulatory system of a typical arthropod is the

Selecione uma das seguintes:

  • intracellular fluid

  • interstitial fluid/hemolymph

  • blood plasma

  • digestive juices

  • cytosol

Explicação

Questão 32 de 55

1

Corrected order of blood flow in human circulatory system:

Selecione uma das seguintes:

  • left ventricle, aorta, right ventricle, lungs, & systemic capillaries

  • left ventricle, right ventricle, aorta, systemic capillaries , & lungs

  • left ventricle, aorta, systemic capillaries , right ventricle, & lungs

  • left ventricle, aorta, lungs, systemic capillaries, right ventricle

Explicação

Questão 33 de 55

1

Which of the following tissue types is incorrectly matched with its function?

Selecione uma das seguintes:

  • epithelial tissue- covers and lines organs and body cavities

  • muscle tissue- holds the tissues and organs in place

  • connective tissue- stores fat and provides flexibility

  • nervous tissue- processing and transmission of information

Explicação

Questão 34 de 55

1

Heat exchange between an organism and its environment to maintain body temperature (thermoregulation) is achieved by

Selecione uma das seguintes:

  • radiation

  • conduction

  • convection

  • evaporation

  • all of the above

Explicação

Questão 35 de 55

1

For blood flow in fish gills, net movement of oxygen from water into blood occurs only in the first half of the distance where blood and water are in close contact

Selecione uma das opções:

  • VERDADEIRO
  • FALSO

Explicação

Questão 36 de 55

1

The desert ant, which lives in the Sahara Desert, has several features and behaviors that allow it to live in such a harsh environment. These include all the following, except

Selecione uma das seguintes:

  • living in underground burrows that are much cooler than the above ground temperatures.

  • unusual enzymes that work optimally at extremely hot temperatures.

  • only leaving its burrows during the day to capture its prey items.

  • long legs that allow it to run very fast to capture its prey so it spends little time aboveground.

  • long legs which lift its body above the extremely hot desert sands.

Explicação

Questão 37 de 55

1

Galapagos iguanas are the only iguana species that regularly spends time in saltwater, where they eat macroalgae growing on the submerged rocks. They manage to stay warm enough to swim in the very cold waters surrounding the Galapagos islands. They stay warm enough by all the following, except

Selecione uma das seguintes:

  • They gain heat via conduction by laying next to other iguanas that are warmer.

  • They gain heat via evaporation in their relatively large nasal (i.e., nose) cavities.

  • They gain heat via radiation from the sun shining down on them.

  • They gain heat via conduction from lying on the dark rocks on land.

Explicação

Questão 38 de 55

1

A defining characteristic of birds

Selecione uma das seguintes:

  • is a four-chambered heart.

  • is that they build nests and care for their young.

  • are feathers.

  • is their having both a systemic circuit and a pulmonary circuit.

  • is endothermy.

Explicação

Questão 39 de 55

1

The 4 characteristic features of chordates include all the following, except

Selecione uma das seguintes:

  • notochord.

  • dorsal hollow nerve cord.

  • post-anal tail.

  • pharyngeal slits/clefts.

  • bony or cartilaginous vertebral column.

Explicação

Questão 40 de 55

1

Successful invasion of the land by tetrapods required all the following, except

Selecione uma das seguintes:

  • systems to prevent embryos from drying out.

  • system to prevent the whole-body desiccation.

  • lungs which were more efficient than fish gills to extract oxygen from the air.

  • redesigned heart and circulatory systems to support larger muscles.

  • legs to support the weight of the body.

Explicação

Questão 41 de 55

1

A student in a general biology 2 class told their professor that they missed class the previous week because they had suffered an injury to their notochord. Is this possible?

Selecione uma das seguintes:

  • No, as the notochord is located within and protected by the rigid vertebral column containing calcium phosphate.

  • No, as human adults do not have a notochord.

  • Yes, as the notochord is made of cartilage which is not as rigid as bone.

  • Yes, as general biology 2 students very often suffer damage to their notochords because of poor posture when reading their textbooks.

  • Yes, as the notochord is not contained within or protected by the bony vertebral column.

Explicação

Questão 42 de 55

1

How many different cell types are in the human body?

Selecione uma das seguintes:

  • ~50

  • ~200

  • 4

  • ~100

  • ~500

Explicação

Questão 43 de 55

1

Is the human body’s response to excessively cold temperatures, shivering and vasoconstriction of blood vessels near the skin surface, voluntary or involuntary?

Selecione uma das seguintes:

  • voluntary

  • involuntary

  • It depends on the person

Explicação

Questão 44 de 55

1

A true 4-chambered heart does not allow

Selecione uma das seguintes:

  • the mixing of blood from the systemic circuit with the pulmonary circuit.

  • the mixing of blood from the pulmonary circuit with the gill circuit.

  • the mixing of blood from the right side of the body with the left side of the body.

  • the mixing of blood from the systemic circuit with the gill circuit.

  • the mixing of blood from the right lung with the left lung.

Explicação

Questão 45 de 55

1

Is the human body’s response to excessively hot temperatures, sweating and vasodilation of blood vessels near the skin surface, voluntary or involuntary?

Selecione uma das seguintes:

  • voluntary

  • involuntary

  • It depends on the person

Explicação

Questão 46 de 55

1

Where do absorbed fats finally enter the blood?

Selecione uma das seguintes:

  • within chylomicrons in the lymph at the subclavian veins

  • from epithelial cells lining the small intestine into the hepatic portal vein

  • within chylomicrons in the lymph into the hepatic portal vein

  • within chylomicrons in the liver

  • from epithelial cells lining the small intestine into the hepatic portal artery

Explicação

Questão 47 de 55

1

The body stores excess glucose as all the following, except

Selecione uma das seguintes:

  • glycogen in the pancreas

  • glycogen in the muscles

  • glycogen in the liver

  • fat in adipose tissue

Explicação

Questão 48 de 55

1

Why is the protease pepsin released from cells in an inactive form?

Selecione uma das seguintes:

  • so it can reach very high concentrations within the cells

  • so that it can be produced constantly

  • so it does not break down proteins found within the cells

  • so it can be produced only when it is needed

  • so it can be more easily transported across plasma membranes

Explicação

Questão 49 de 55

1

What would be an important consequence of losing all your alpha cells in your pancreas?

Selecione uma das seguintes:

  • inability to lower your blood glucose levels once they are > 90 mg/100ml

  • inability to raise your blood glucose levels once they are < 90 mg/100ml

  • inability to increase the pH of the chyme entering your duodenum

  • inability to decrease the pH of the chyme entering your duodenum

  • inability to use glucose as a source of energy in your cells

Explicação

Questão 50 de 55

1

A very low level of glucose in the blood after a long period of fasting will cause

Selecione uma das seguintes:

  • activation of amylase in the blood.

  • pepsinogen release from chief cells in the stomach.

  • insulin release from the pancreas.

  • secretin release from the duodenum.

  • glucagon release from the pancreas.

Explicação

Questão 51 de 55

1

What is meant by the term “essential” in reference to nutrients?

Selecione uma das seguintes:

  • They cannot be synthesized within the human body and need to be a part of the diet.

  • They are needed only during early developmental stages and are not needed once an organism reaches maturity.

  • They can only be synthesized by plants and therefore are not needed by animals.

  • They can only be synthesized by animals and therefore are not needed by plants.

  • They can be created from scratch/de novo within the human body from other organic molecules.

Explicação

Questão 52 de 55

1

Which of the following is mismatched?

Selecione uma das seguintes:

  • O2 rich blood — arteriole

  • O2 rich blood — left ventricle

  • O2 poor blood — venule

  • O2 rich blood — pulmonary artery

  • O2 poor blood — right atrium

Explicação

Questão 53 de 55

1

The following structures are involved in the vertebrate circulatory system: (1) veins, (2) arterioles, (3) capillaries, (4) venules, and (5) arteries. What is the correct order of blood flow once it leaves the capillary beds?

Selecione uma das seguintes:

  • 5, 2, 3, 4, 1

  • 1, 2, 3, 4, 5

  • 4, 1, 5, 2, 3

  • 4, 1, 2, 5, 3

  • 5, 2, 1, 4, 3

Explicação

Questão 54 de 55

1

Why do arteries have thicker walls than veins have?

Selecione uma das seguintes:

  • to minimize the passage of molecules through the endothelial cells

  • to allow greater diffusion of amino acids and glucose

  • to allow greater diffusion of O2 and CO2

  • to tolerate the greater blood pressure found within the arteries

  • to maintain the volume of blood in the circulatory system

Explicação

Questão 55 de 55

1

What is returned to the blood at the junction between the lymphatic system and the circulatory system?

Selecione uma das seguintes:

  • chylomicrons

  • BOTH fluid lost from the capillary beds and chylomicrons

  • fluid lost from the capillary beds

  • glucose and amino acids from digestion

Explicação

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