1 1 Which has specific markings Which has specific markings for measurement and is used to for measurement and is used to

accurately measure liquid accurately measure liquid volume?volume?

A. Test tubeA. Test tube

B. BeakersB. Beakers

C. RulerC. Ruler

D. Graduated cylindersD. Graduated cylinders

22

The mass of an object divided by its The mass of an object divided by its volume, or stated another way, the volume, or stated another way, the amount of matter packed into a given amount of matter packed into a given space is itspace is it

a. densitya. density b. volume b. volume c. mass c. mass d. weightd. weight

33

When trying to determine mass of a When trying to determine mass of a heavy object, useheavy object, use

A. spring scaleA. spring scale

B. a tripodB. a tripod

C. an analytical balanceC. an analytical balance

D. a triple beam balanceD. a triple beam balance

44

The ability to draw from previous The ability to draw from previous knowledge and experience to make an knowledge and experience to make an explanation isexplanation is

A. a problemA. a problem

B. inductive reasoningB. inductive reasoning

C. a reasonable explanationC. a reasonable explanation

D. processingD. processing

55 Karen wants to win a blue ribbon at the fair this year for Karen wants to win a blue ribbon at the fair this year for

the largest tomato plants. She would like to compare the largest tomato plants. She would like to compare two plant foods on her tomato plants to see if they really two plant foods on her tomato plants to see if they really make the plants grow larger.make the plants grow larger.

Karen needs to design an experiment to see which plant Karen needs to design an experiment to see which plant food works better. She has three of the same type of food works better. She has three of the same type of tomato plants and they all receive the same amount of tomato plants and they all receive the same amount of sunlight, water and temperature. Karen adds plant food sunlight, water and temperature. Karen adds plant food A to plant A, she adds plant food B to plant B, and she A to plant A, she adds plant food B to plant B, and she lets plant C grow without any plant food. She measures lets plant C grow without any plant food. She measures the growth of the plants every week.the growth of the plants every week.

Plant C is considered which group?Plant C is considered which group?a. the experimental groupa. the experimental group c. the data groupc. the data groupb. the variable groupb. the variable group d. the control groupd. the control group

66

The scientific method is used as a The scientific method is used as a guideline to conduct experiments to guideline to conduct experiments to

A. maintain objectivityA. maintain objectivity

B. make it harder to do experimentsB. make it harder to do experiments

C. maintain subjectivityC. maintain subjectivity

D. stifle creativityD. stifle creativity

77

The following four statements are headlines The following four statements are headlines you read on various magazine covers while you read on various magazine covers while standing in the checkout line at the grocery standing in the checkout line at the grocery store. Which one could be researched store. Which one could be researched using scientific experimentation?using scientific experimentation?

A. “Diamond is more beautiful than ruby”A. “Diamond is more beautiful than ruby”B. “Metals are both helpful and harmful to the human B. “Metals are both helpful and harmful to the human

body”body”C. “The earth was created in a miraculous event”C. “The earth was created in a miraculous event”D. “Poetry is the most artistic type of literature”D. “Poetry is the most artistic type of literature”

88

The cell theory states that:The cell theory states that:

A. all living things are made of cells.A. all living things are made of cells.

B. All cells come from other living cells of the B. All cells come from other living cells of the same kind.same kind.

C. Cells are the basic unit of all living things.C. Cells are the basic unit of all living things.

D. All of the above.D. All of the above.

99

Cellular respiration releases what Cellular respiration releases what three products?three products?

A. oxygen, glucose, and energyA. oxygen, glucose, and energy

B. carbon dioxide, water, and energyB. carbon dioxide, water, and energy

C. glucose, carbon dioxide, and oxygenC. glucose, carbon dioxide, and oxygen

D. oxygen, water, and glucose D. oxygen, water, and glucose

1010

Both plant and animal cells haveBoth plant and animal cells have

a. Mitochondria for cellular respirationa. Mitochondria for cellular respiration

b. A cell wall for protectionb. A cell wall for protection

c. Centrioles used during mitosisc. Centrioles used during mitosis

d. Chloroplasts for photosynthesisd. Chloroplasts for photosynthesis

1111

The mitochondrion of a cellThe mitochondrion of a cell

A. has only one membraneA. has only one membrane

B. has no membraneB. has no membrane

C. is circularC. is circular

D. is where cellular respiration occursD. is where cellular respiration occurs

1212

The movement of substances into and The movement of substances into and out of a cell without the use of energy out of a cell without the use of energy is calledis called

A. active transportA. active transport

B. passive transportB. passive transport

C. exocytosisC. exocytosis

D. endocytosisD. endocytosis

1313

In order to be classified as living, an In order to be classified as living, an organism must have:organism must have:

A. a heart and lungsA. a heart and lungsB. the ability to nourish itself, grow, and B. the ability to nourish itself, grow, and

reproducereproduceC. the ability to photosynthesize and to C. the ability to photosynthesize and to

eliminate waste productseliminate waste productsD. a true nucleus and nuclear membraneD. a true nucleus and nuclear membrane

1414

Two structures found in plant cells that Two structures found in plant cells that are not found in animal cells are theare not found in animal cells are the

A. mitochondria and ribosomesA. mitochondria and ribosomes

B. cell wall and plastidsB. cell wall and plastids

C. cell membrane and centriolesC. cell membrane and centrioles

D. nucleolus and endoplasmic reticulumD. nucleolus and endoplasmic reticulum

1515

When more water goes in through a When more water goes in through a cell membrane than out of it, the cell membrane than out of it, the solution around the membrane issolution around the membrane is

a. isotonic a. isotonic

b. hypotonic b. hypotonic

c. permeable c. permeable

d. hypertonicd. hypertonic

1616

Complex carbohydrates break down Complex carbohydrates break down intointo

A. enzymesA. enzymes

B. amino acidsB. amino acids

C. simple sugarsC. simple sugars

D. ATPD. ATP

1717

Which proteins in the cell speed up Which proteins in the cell speed up chemical reactions?chemical reactions?

A. lipidsA. lipids

B. DNAB. DNA

C. EnzymesC. Enzymes

D. GlucoseD. Glucose

1818

Which plant organelle is the site of Which plant organelle is the site of photosynthesis?photosynthesis?

a. Chloroplasta. Chloroplast

b. centrioleb. centriole

c. cell wallc. cell wall

d. mitochondriad. mitochondria

1919

The three things that plants must have The three things that plants must have to photosynthesize are:to photosynthesize are:

a. glucose, water, and oxygena. glucose, water, and oxygen

b. water, carbon dioxide, and glucoseb. water, carbon dioxide, and glucose

c. oxygen, carbon dioxide, and sunlightc. oxygen, carbon dioxide, and sunlight

d. water, carbon dioxide, and sunlightd. water, carbon dioxide, and sunlight

2020

The replication of DNA occursThe replication of DNA occurs

a. During telophasea. During telophase

b. during interphaseb. during interphase

c. during prophase of mitosisc. during prophase of mitosis

d. during prophase of meisoisd. during prophase of meisois

2121

The chemical energy supply for all living The chemical energy supply for all living cells is contained in a molecule that, when cells is contained in a molecule that, when broken down, releases the energy so that broken down, releases the energy so that it may be used for activities such as it may be used for activities such as muscle contractions, photosynthesis, and muscle contractions, photosynthesis, and locomotion. locomotion. The molecule that is a The molecule that is a storehouse of energy isstorehouse of energy is

a.DNAa.DNA b.RNA b.RNA c. ATP c. ATP d. ADP d. ADP

2222

In mice, brown hair is dominant to white. In mice, brown hair is dominant to white. Cross a heterozygous female with a Cross a heterozygous female with a heterozygous male. heterozygous male. The genotypic The genotypic ration will yieldration will yield

a. 3:1a. 3:1b. 1:2:1b. 1:2:1c. 100% brown hairc. 100% brown haird. 100% white hair d. 100% white hair

2323

Chromosomes line up on spindles in Chromosomes line up on spindles in the center of a cell duringthe center of a cell during

a. anaphasea. anaphase

b. telephaseb. telephase

c. metaphasec. metaphase

d. prophased. prophase

2424

Mitosis generatesMitosis generates

a. daughter cell identical to the mother cella. daughter cell identical to the mother cell

b. many reproductive cellsb. many reproductive cells

c. diseased cellsc. diseased cells

d. gametesd. gametes

2525

Meiosis is a type of cell division thatMeiosis is a type of cell division that

a. leads to genetic mutationa. leads to genetic mutation

b. causes deformityb. causes deformity

c. is necessary for sexual reproductionc. is necessary for sexual reproduction

d. causes alleles to deformd. causes alleles to deform

2626

The molecule that transports the code The molecule that transports the code of information from DNA to the of information from DNA to the ribosome is ribosome is

a. tRNA a. tRNA

b. rRNAb. rRNA

c. mRNAc. mRNA

d. An amino acidd. An amino acid

2727

A mother homozygous dominant for the A mother homozygous dominant for the presence of freckles and father presence of freckles and father heterozygous for freckles have a child. heterozygous for freckles have a child. What is the chance that the child will be What is the chance that the child will be homozygous recessive for freckles?homozygous recessive for freckles?

a. 0%a. 0%

b. 25%b. 25%

c. 50%c. 50%

d. 75% d. 75%

2828

Mitosis occursMitosis occurs

a. only in gamete cellsa. only in gamete cells

b. in somatic cellsb. in somatic cells

c. only when an organism makes repairs to c. only when an organism makes repairs to cellscells

d. as part of active transportd. as part of active transport

2929

Some forms if a gene or trait masks the Some forms if a gene or trait masks the expression of other forms. This expression of other forms. This statement summarizes the principal ofstatement summarizes the principal of

a. segregationa. segregation

b. dominanceb. dominance

c. independent assortmentc. independent assortment

d. true breeders d. true breeders

3030

The organelle of eukaryotic cells that The organelle of eukaryotic cells that contains the genetic information is the contains the genetic information is the

a. endoplasmic reticuluma. endoplasmic reticulum

b. chloroplastb. chloroplast

c. nucleusc. nucleus

d. cell membraned. cell membrane

3131 Prokaryotic cells differ from eukaryotic cells Prokaryotic cells differ from eukaryotic cells

in thatin that

a. prokaryotic cells are living and eukaryotic cells a. prokaryotic cells are living and eukaryotic cells are non livingare non living

b. Prokaryotic cells lack a true nucleus and b. Prokaryotic cells lack a true nucleus and membrane bound organellesmembrane bound organelles

c. Prokaryotic cells are much larger than c. Prokaryotic cells are much larger than eukaryotic cellseukaryotic cells

d. prokaryotic cells require oxygen and eukaryotic d. prokaryotic cells require oxygen and eukaryotic cells do notcells do not

3232

A cat’s phenotype can be determined A cat’s phenotype can be determined byby

a. looking at the cat’s mothera. looking at the cat’s mother

b. looking at the cat’s DNAb. looking at the cat’s DNA

c. looking at the cat’s fatherc. looking at the cat’s father

d. looking at the catd. looking at the cat

3333

A mutation in which a single base is A mutation in which a single base is added or deleted from DNA is calledadded or deleted from DNA is called

a. frame shift mutationa. frame shift mutation

b. point mutationb. point mutation

c. translocationc. translocation

d. non disjunctiond. non disjunction

3434

A child is diagnosed with a rare genetic disorder. A child is diagnosed with a rare genetic disorder. Neither parent has the disease. How might the child Neither parent has the disease. How might the child have inherited the disorder?have inherited the disorder?

a. the disorder is dominant and was carried by a parenta. the disorder is dominant and was carried by a parentb. the disorder is recessive and carried by both parentsb. the disorder is recessive and carried by both parentsc. the disorder is sex-linked and inherited only from the c. the disorder is sex-linked and inherited only from the

fatherfatherd. the disorder could only occur as a mutation in the child d. the disorder could only occur as a mutation in the child

since neither parent has the disease.since neither parent has the disease.

3535

Many chromosome mutations results Many chromosome mutations results when chromosomes fail to separate when chromosomes fail to separate properly duringproperly during

a. Mitosisa. Mitosis

b. Meiosisb. Meiosis

c. cross-overc. cross-over

d. linkaged. linkage

3636

How are enzymes able to speed up How are enzymes able to speed up biochemical reactions?biochemical reactions?

A. They provide energy to the reactantsA. They provide energy to the reactantsB. They absorb energy from the productsB. They absorb energy from the productsC. They lower the activation energy of the C. They lower the activation energy of the

reactionreactionD. They increase the number of available D. They increase the number of available

reactant particlesreactant particles

3737

Which of the following is a biotic factor in Which of the following is a biotic factor in an ecosystem?an ecosystem?

A. SunlightA. Sunlight

B. SoilB. Soil

C. WaterC. Water

D. BacteriaD. Bacteria

3838

Which of the following is an example of Which of the following is an example of commensalism between two organisms?commensalism between two organisms?

A. Ants feed on the sugary fluid released by aphids that A. Ants feed on the sugary fluid released by aphids that are feeding on plants, and the aphids are protected by are feeding on plants, and the aphids are protected by the ants from other insects.the ants from other insects.

B. A hummingbird feeds on the nectar of a certain species B. A hummingbird feeds on the nectar of a certain species of flowering plant and, while doing so, spreads pollen of flowering plant and, while doing so, spreads pollen from one flower to the next.from one flower to the next.

C. A remora attaches itself to a shark without harming the C. A remora attaches itself to a shark without harming the shark and eats food scraps left by the shark.shark and eats food scraps left by the shark.

D. A fungus infects a potato plant and, over time, kills the D. A fungus infects a potato plant and, over time, kills the plant and then feeds off the dead tissue.plant and then feeds off the dead tissue.

3939

After an extensive workout, athletes will After an extensive workout, athletes will often feel soreness due to a buildup of often feel soreness due to a buildup of lactic acid in the muscle tissue that occurs lactic acid in the muscle tissue that occurs when the body is deprived of adequate when the body is deprived of adequate oxygen. What is this process called?oxygen. What is this process called?

A. Aerobic respirationA. Aerobic respiration c. c. PhotosynthesisPhotosynthesis

B. Anaerobic respirationB. Anaerobic respiration d. Krebs Cycle d. Krebs Cycle

4040 A new antibiotic developed to treat bronchitis has become

widely prescribed by doctors to patients with lung infections. Over time, the number of patients seen with bronchitis declined. However, the number of patients with a rare form of the bacteria that causes the infection began to rise. Which of the following is MOST likely true about this strain of bacteria?

A. The surviving strain has learned how to become resistant to the antibiotic

B. He drug company that developed the antibiotic did not test it correctly

C. There was genetic variability in the bacteria population before the antibiotic was used

D. The bacteria got used to the antibiotic and have learned to live it

4141

Which of the following kingdoms does Which of the following kingdoms does not contain any unicellular not contain any unicellular organisms?organisms?

A. ProtistaA. Protista

B. BacteriaB. Bacteria

C. PlantaeC. Plantae

D. FungiD. Fungi

4242

Which of the following represents Which of the following represents how genetic information is how genetic information is transformed into a protein?transformed into a protein?

A. DNA A. DNA protein protein RNA RNA

B. Protein B. Protein RNA RNA DNA DNA

C. RNA C. RNA protein protein DNA DNA

D. DNA D. DNA RNA RNA protein protein

4343

What is one of the eventual What is one of the eventual consequences of natural selection?consequences of natural selection?

A. Removal of traits with negative effects on a A. Removal of traits with negative effects on a species’ survivalspecies’ survival

B. Addition of traits needed by an organism to B. Addition of traits needed by an organism to survivesurvive

C. Perfection of a speciesC. Perfection of a speciesD. Removal of all mutations in the populationD. Removal of all mutations in the population

4444

A volcanic eruption creates new land A volcanic eruption creates new land in the form of volcanic rock. Which in the form of volcanic rock. Which type or organism would most likely be type or organism would most likely be found to inhabit the area first?found to inhabit the area first?

A. ChipmunksA. Chipmunks c. Lichensc. Lichens

B. MooseB. Moose d. Grassesd. Grasses

4545

Similar organisms that can interbreed Similar organisms that can interbreed and produce fertile offspring in a and produce fertile offspring in a natural environment make up a(n)natural environment make up a(n)

A. SpeciesA. Species

B. PopulationB. Population

C. CommunityC. Community

D. EcosystemD. Ecosystem