A particular plant has individuals that are either male or female. A male individual of this plant may have all of the following EXCEPT:

a. a filament

b. an anther

c. a stigma

d. pollen grains

e. tube nuclei

The cells of which of the following organisms are prokaryotic?

a. Mold

b. Seaweed

c. Blue-green bacteria

d. Fern

e. Hydra

What is a plausable progression in the evolution of plants?

Which of the following is found in a carbohydrate molecule?

a. N

b. S

c. NH2

d. PO4

e. CH2O

Which of the following is a monosaccharide?

a. Glucose

b. Cellulose

c. Table sugar

d. Amylase

e. Starch

Which of the following organisms does NOT function in immunity to defend the body from infection?

a. Tonsils

b. Lymph nodes

c. Spinal chord

d. Spleen

e. Thymus

All of the statements about the following reaction are true except:

glycerol + 3 fatty acids = fat(triglyceride) +3H2O

a. It is an exothermic reaction

b. It is a combination reaction

c. It is an endothermic reaction

d. This reaction occurs within animal cells in order to store energy

e. Water is a byproduct

All of the following are found in the cells of fungi except:

a. chloroplasts

b. nucleus

c. mitochondria

d. plasma membranes

e. ribosomes

a. Chloroplasts

(Fungi are not photosynthetic, therefore they do not need/have chloroplasts)

All of the following are steps in the translation part of protein synthesis except:

a. Free bases line up along the DNA template and are bonded tongether forming a single strand of RNA

b. A ribosome attaches to start codon on mRNA and links a tRNA with its attached amino acid.

c. The ribosome continues to link a sequence of tRNA molecules that correspond with the mRNA strand being encoded

d. The amino acids are linked by ribosomal enzymes into a protein chain

e. The terminating codon stops the synthesis process and releases the newly formed protein.

A. Free bases line up along the DNA template and are bonded tongether forming a single strand of RNA

(This happens during transcription, rather than translation)

False

(Meiosis produces four daughter cells, mitosis produces two)

All of the following may cause mutations in a DNA sequence except:

a. X-rays

b. Chemical exposure

c. Random copying error

d. Sunlight

e. Crossing over

-Haploid cells that will divelop into male gametes

-Undergo meiosis II to form spermatid

All of the following are functions of bones except:

a. Provide structure and support

b. Provide protection for organs

c. Produce red blood cells

d. Aid in locomotion

e. Produce calcium and phosphate

e. Produce calcium and phosphate

(they do store them, they do not produce them)

                 T      T

               t   Tt     Tt  

               t   Tt     Tt  

This illistration is called a:

                 T      T

               t   Tt     Tt  

               t   Tt     Tt  

What is the genotype for each parent?

                 T      T

               t   Tt     Tt  

               t   Tt     Tt  

The gametes for this cross will have which possible alleles?

                  T      T

               t   Tt     Tt  

               t   Tt     Tt  

What will the phenotypic ratios of the offspring in this cross?

                  T      T

               t   Tt     Tt  

               t   Tt     Tt  

If two of the offspring are crossed, what will the phenotypic ratio of the next generation be?

All of the following are major structural regions of plant roots except:

a. the meristematic region

b. the elongation region

c. the root cap

d. the epistematic region

e. the maturation region

All of the following terms represent the movement of a species in or out of a given area except:

a. competition

b. emigration

c. dispersion

d. immigration

e. migration

0.48

p + q = 1where p and q represent the frequencies of two alleles.

An unknown plant found in the forest has five petals on its flower and tap root system. Which of the following is most likely true?

a. The stem has random arrangements of vascular bodies.

b. The plant's seed has only one cotyledon

c. The leaves of the plant have parallel veins

d. The leaves of the plant have networked veins

e. The plant is male

Members of which of the following categories are most closly related?

a. Phylum

b. Genus

c. Kingdom

d. Class

e. Order

b. Genus

(it is the most specific on the list)

The biogeography of a tropical island is affected by all of the folowing factors except:

a. Volcanic activity

b. Distance from other landmasses

c. Human population

d. Prevailing winds

e. Fossil preservations within the geologic column

All of the following are steps in the carbon cycle except:

a. Carbon is taken in by plants and used to form carbohydrates through photosynthesis

b. Carbon dioxide is dissolved out of the air into ocean water, combined with calcium to form calcium carbonate

c. Carbon is taken in by animal respiration and used to form carbohydrates

d. Detritus feeders return carbon contained in prganic compounds to elemental form

e. Burning fossil fules release carbon dioxide into the atmonphere where it can be used by plants

Which of the following is an autotroph?

a. E.coli bacteria

b. Portuguese man-of-war jellyfish

c. Portobello mushroom

d. Asparagus fern

e. Human fetus

Which phylum of vertebrates contains animals with mammary glands?

a. Chondrichthyes

b. Amphibia

c. Reptilia

d. Mammalia

e. Aves

Which of the following elements is not found in organic tissue?

a. Oxygen

b. Hydrogen

c. Nitrogen

d. Argon

e. Sulfer

Cells of eukaryotes have all of the following except:

a. membrane-enclosed organelles

b. DNA organized into chromosomes

c. a nucleus

d. DNA floating free in the cytoplasm

e. ribosomes

According to the Hardy-Weinberg Law, evolution can occur due to changes in allele frequencies. All of the following can contribute to changes in allele frequencies except:

a. Mutations

b. Immigration

c. Emigration

d. Natural selection

e. Sexual recombination

All of the following are types of plant stem excep:

a. Tendrils

b. Nodes

c. Tubers

d. Rhizomes

e. Corms

Reguarding to taxonomic classification of man, what is his "family"?

Which of the following factors exerts the most influence over limiting cell size?

a. A rigid cell wall

b. The ratio of surface area to volume of cytoplasm

c. The replication of mitochondria

d. The chemical composition of the cytoplasm

e. The chemical composition of the cell membrane

When a hamburger is consumed by an individual, it passes through all of the following organs except the:

a. mouth

b. esophagus

c. salivary gland

d. stomach

e. small intestine

In order for a species to be established on an island it must have all of the following except:

a. a population large enough to ensure sucessiful reproduction

b. a food source for the species

c. a predator of the species

d. a suitable habitat

e. a source of moisture

false

(they are skin cells)

Which of the following are in the phylum Chordata?

a. Crabs

b. Flat worms

c. Nematodes

d. Mollusks

e. Snakes

The weakest type of chemical bond of those listed are:

a. ionic bonds

b. hydrogen bonds

c. double bonds

d. disulfide bonds

e. covalent bonds

All of the following are myths or misconceptions of Homo sapiens except:

a. Homo sapiens evolved from chimpanzees

b. There is a linear sequence or ladder of different primates that leads to Homo sapiens.

c. The large brain and uproght posture of Homo sapiens evolved together.

d. Chimpanzees are more closly related to Homo sapiens than to other apes

e.Homo sapiens evolved in North America 

The stomach secretes all of the following except:

a. digestive enzymes

b. hydrochloric acid

c. gastric juices

d. acetic acid

e. mucous

Normal skin colour in mice is dominant to albino. In the following question, N stands for normal skin colour and n for albino.

Three offspring of two normal skinned parents have normal skin, but one is albino. What must be true of the parents genetic makeup?

Normal skin colour in mice is dominant to albino. In the following question, N stands for normal skin colour and n for albino. Both parents have the genotype Nn.

If these two normal skined parents have eight offspring, approximately how many are likely to be albino?

Which of the following is not an energy storage molecule?

a. Cellulose

b. Ribonucleic acid

c. Starch

d. Lipid

e. Sugar

Stem tissue includes all of the following except:

a. Vascular tissue

b. Xylem

c. Phloem

d. Cuticle

e. Sieve plates

All of the following characteristics of water make it valuable to living organisms except:

a. Transparency

b. Polarity

c. Lower density when solid than when liquid

d. High specific heat

e. pH of 11

All of the following are requirements of the habitat of an apple tree except:

a. Soil quality

b. Available sunlight

c. Seasonal temperature fluctuations

d. Amount of rainfall

e. Role in the food chain

Which of the following environmental factors is not recycled?

a. Nitrogen

b. Carbon

c. Phosphorus

d. Water

e. Silicon

Which one of the following statements about cells is not true?

a. All living things are made of one or more cells.

b. Cells may be seen with a microscope

c. Cells are the basic units of life

d. All cells come from pre-existing cells

e. All cells have cell walls

Each of the following reactons may occus after glycolysis except:

a. photolysis

b. aerobic respiration

c. the Krebs cycle

d. the electron transport cycle

e. fermentation

Which of the following represents an opportunistic life strategy (r-selection)?

a. Lichens invade a bare rock area after a volcanic eruption

b. Coniferous trees spread to an adjacent area

c. Lightning wipes out a forest of dediduous trees

d. A species of mice emigrate into a forest community.

e. Broad-leaf trees flourish during the rainy season

Which of the following parts of the nervious system are matched with the wrong function?

a. forebrain - controls olfactory lobes (smell)

b. cerebrum - controls function of involuntary muscle

c. hypothalamus - controls hunger and thirst

d. cerebellum - controls balance and muscle coordination

e. midbrain - contains optic lobes, controls sight

b. cerebrum - controls function of involuntary muscle

(the cerebrum controls sensory and motor responses, and it controls memory, speech, and intelligence factors)

False

(Though this statement is accurate, it is not a part of the cell theory)

False

Which of the following statements about enzymes is not true?

a. High temperatures destroy most enzymes

b. Enzymes only function within living cells

c. An enzyme is unaffected by the reactions it catalyzes, so it can be used over and over again

d. Enzymes are usually very specific to certian reactions

e. Some enzymes contain a non-protein component that is essential for their function

The theory of punctuated equilibrium assumes that:

I. There are periods of stability during which little evolutionary change occurs

II. Speciation can occur rapidly over a very short period of time

III. Evolution occurs gradually within lineages

Of the three above, which are correct?

Select the most abundant element of protoplasm from the following choices:

a. Calcium

b. Carbon

c. Phosphorus

d. Sulfer

e. Zinc

Which of the following statements is true?:

a. Primary consumers are mostly carnivores

b. Bacteria recycle nutrients from organisms they decompose

c. Secondary consumers are mostly herbivores

d. There are exactly five trophic levels in every food chain

e. Omnivores ear more than one type animal but no plants

Which system is found only in vertebrates?:

a. Gas exchange (respiratory) system

b. Circulatory

c. Muscoskeletal

d. Nervious

e. Excretory

Multiple sclerosis is a desease that destroys the myelin sheath around nerve bodies. All of the following would be affected by losing the myelin sheath except:

a. nerve tissue loses its white colour

b. nerve impulses are impaired

c. sensory input is increased

d. senses such as sight may be adversely affected

e. control of muscle function may be lost

Cyanobacteria (blue-green algae) provide what ecological function?

Which group contains organisms with prokaryotic cells?

a. Protista

b. Archaea

c. Fungi

d. Plantae

e. Animalia

All of the following are organs of the excretory system except:

a. Skin

b. Heart

c. Liver

d. Lungs

e. Kidneys

Which of the following is not a part of a DNA molecule?

a. Nucleotide

b. Sugar

c. Phosphate group

d. Nitrogen base

e. An alchol

Which group has members that were most likely to have evolved earlier than members of any of the other groups?

a. Protista

b. Plantae

c. Eubacteria

d. Animalia

e. Fungi

All of the following about viruses are true except:

a. Viruses often kill their host cell

b. Viruses consist of a protein capsule, DNA, RNA, and sometimes enzymes.

c. Viruses cannot carry on metabolic functions without a host organism

d. Viruses can only reproduce themselves when they are in a host cell

e. Scientists are agreed that viruses are the smallest living organism.

All of the following re members of the phylum Chordata except:

a. Snail

b. Crocodile

c. Trout

d. Platypus

e. Whooping crane

All of the following may inhibit enzymatic reactions except:

a. Temperature

b. pH level

c. Particular chemical agents

d. Lack of substrate

e. Excess of substrate

Which of the following statements is not true about electrons?:

a. Electrons have a negative charge

b. Electrons have greater mass than neutrons

c. Electrons are found orbiting the nucleus of atoms

d. The number of electrons is equal to the number of protons in an uncharged atom

e. An atom's valence number is the number of electrons in its highest energy level.

Which of the following experimental evidence was not considered to support the Oparin Hypothesis?:

a. Amino acids can be produced in the laboratory by exposing simple inorganic molecules to electrical charge

b. Guanine can be formed in the laboratory by thermal polymerization of amino acids.

c. Ultraviolet light induces the formation of dipeptides from amino acids in labratory experiments

d. In the laboratory, proteins are not useful as catalysts, indicating that early proteins were stable

e. Phosphoric acid increases the yield of polymers in the laboratory, simulating the role of ATP in protein synthesis

All of the following are lipids except:

a. fat

b. steroid

c. triglyceride

d. wax

e. cellulose

The female plant structure includes all of the following parts except:

a. Ovary

b. Style

c. Stigma

d. Filament

e. Ovules

The first cells to evolve on Earth were most likely all of the following except:

a. anaerobic

b. specialized

c. prokaryotic

d. aquatic

e. similar to bacteria

Which of the following are contained in both plant and animal cells?

a. Chloroplasts

b. Ribosomes

c. Cell wall

d. Grana

e. Stroma

Which of the following is not characteristic of a cell membrane?

a. 500-1000 nanometers thick

b. Can be viewed only with an electron microscope

c. Embeded protein globules

d. Double phospholibid layer

e. Semi-permeable

In glycolysis, a molecule of glucose is broken down into all of the following except:

a. Pyruvic acid

b. ATP

c. CO2

d. H+

e. NADH

All of the following are part of the transcripition step on protein synthesis except:

a. DNA molecule "unzips", exposing a sequence of nucleotides that corresponds to a certain amino acid or protein.

b. RNA polymerase matches RNA nucleotides to their corresponding DNA nucleotides

c. mRNA strand is formed as RNA nucleotides join together and uncoil from DNA

d. Ribosome attaches to start codon on mRNA

e. mRNA migrates to cytoplasm

in snapdragons, a red flower crossed with a white flower produces a pink flower. In this illustration, R stands for red color and W for white color. The Punnett square for a cross between a white snapdragon and a red snapdragon is shown here:

                 Cr      Cr

             Cw CrCw CrCw

             Cw CrCw CrCw

The cross illustrated in this Punnett square is an example of:

in snapdragons, a red flower crossed with a white flower produces a pink flower. In this illustration, R stands for red color and W for white color. The Punnett square for a cross between a white snapdragon and a red snapdragon is shown here:

                 Cr      Cr

             Cw CrCw CrCw

             Cw CrCw CrCw

The symbol CrCw represents what?

in snapdragons, a red flower crossed with a white flower produces a pink flower. In this illustration, R stands for red color and W for white color. The Punnett square for a cross between a white snapdragon and a red snapdragon is shown here:

                 Cr      Cr

             Cw CrCw CrCw

             Cw CrCw CrCw

In this cross, both parents have genotypes that are:

in snapdragons, a red flower crossed with a white flower produces a pink flower. In this illustration, R stands for red color and W for white color. The Punnett square for a cross between a white snapdragon and a red snapdragon is shown here:

                 Cr      Cr

             Cw CrCw CrCw

             Cw CrCw CrCw

True or false?: Neither parent of the red snapdragon could be white

in snapdragons, a red flower crossed with a white flower produces a pink flower. In this illustration, R stands for red color and W for white color. The Punnett square for a cross between a white snapdragon and a red snapdragon is shown here:

                 Cr      Cr

             Cw CrCw CrCw

             Cw CrCw CrCw

If the two heterozygous offspring (CrCw) of this cross are bred, what will be the ratio of phenotypes of the offspring?

Which of the following is part of the alimentary canal?

a. Artery

b. Sinus

c. Vagus nerve

d. Bronchus

e. Mouth

All of the following are steps of photosynthesis except:

a. Chlorophyll is absorbed through plants roots

b. During photolysis a photon of light is absorbed by the chlorophyll phgment, which then is in an excited state

c. Water is separated into hydrogen and oxygen atoms

d. An ADP molecule is phosphorylated to ATP

e. CO2 is linked with the hydrogen forming glucose (known as the dark reaction)

Which of the following embryonic membranes is matched correctly with its function?

a. yolk sac - heart protection

b. allantois - gas exchange

c. Chorion - food storage

d. Amnion - energy transfer

e. Peritoneum - cushions the embryo

The leaves of an Easter lilly have parallel veins. The Easter lily will have all of the following except:

a. seeds with double cotyledons

b. vascular bundles arranged randomly in its stem

c. roots that are fibrous

d. flower that has three petals

e. grows from a monocot seed

I. The amount of energy stored in a carbohydrate molecule is more than is usable by a single cell

II. ATP can be broken down into ADP plus a phosphate group yielding a small packet of energy usable by a cell

III. ATP contains three high-energy bonds making it an efficient energy storage molecule

IV. Green plants produce ATP molecules during photosynthesis

Which of the following is characteristic of an equilibreal life strategy (k-selection)?

a. Short maturation time

b. Long life span

c. Asexual reproduction

d. Do not parent young

e. Large number of offspring

All of the following are true about glycolysis except:

a. Glycolysis breakes down glucose into smaller molecules

b. Glycolysis only occurs in plant cells

c. The process of respiration always begins with glycolysis

d. Glycolyis yields energy

Which of the following eras in the geological time scale is correctly matched to the type of animal that dominated it?

a. Cenozoic - Age of reptiles

b. Mesozoic - Are of amphibians

c. Paleozoic - Age of fish

d. Mesozoic - Age of marine invertebrates

e. Precambrian - Age of mammals

Darwin's theory of natural selection includes all of the following stipulations except:

a. Every organism produces more organisms that can survive

b. Due to competition, not all organisms survive

c. Some organisms are more fit, i.e. they are able to survive better in the environment

d. The difference in survivability is due to variations between organisms

e. Variation is due, at least in part, to mutations

e. Variation is due, at least in part, to mutations

(though this is true, Darwin did not include it in his theory of natural selection)

Which if the following is not a cofactor?

a. Mn2+

b. NAD+

c. ATP

d. FAD

e. ascorbic acid