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BJHS TERM 4 - Review of Term 3

Total questions: 50

Worksheet time: 50mins

Name
Class
Date
1.

This membrane controls what comes into and goes out of the cell.

a)

nucleus

b)

cell membrane

c)

mitochondrion

d)

chloroplast

2.

Part of the cell that contains genetic information.

a)

nucleus

b)

cell membrane

c)

mitochondrion

d)

chloroplast

3.

Used to transport materials within a cell and modifies proteins.

a)

chloroplast

b)

golgi apparatus

c)

ribosome

d)

endoplasmic reticulum

4.

Synthesizes proteins.

a)

chloroplast

b)

golgi apparatus

c)

ribosome

d)

endoplasmic reticulum

5.

Membranes that package and distribute proteins

a)

mitochondrion

b)

chloroplast

c)

golgi apparatus

d)

ribosomes

6.

Uses energy from food molecules to produce high-energy compounds.

a)

nucleus

b)

mitochondrion

c)

cell membrane

d)

golgi apparatus

7.

Found in plant cells; contains chlorophyll

a)

cell membrane

b)

ribosomes

c)

mitochondrion

d)

chloroplast

8.

Which answer correctly lists the stages of mitosis from beginning to end?

a)

prophase, anaphase, metaphase, telophase

b)

anaphase, prophase, metaphase, telophase

c)

prophase, metaphase, anaphase, telophase

d)

telophase, anaphase, metaphase, prophase

9.

What must occur BEFORE mitosis can begin?

a)

ribosomes must replicate

b)

DNA must replicate

c)

the nucleus must replicate

d)

the golgi apparatus must replicate

10.

What types of cells undergo the process of mitosis?

a)

somatic (body cells)

b)

gametes (sperm/egg cells)

11.

What does the word "diploid" mean?

a)

having two legs

b)

having two ribososomes

c)

having two nuclei

d)

having two sets of chromosomes

12.

You have one toe cell at the beginning of a cycle of mitosis. How many cells do you have after the process ends?

a)

1 cell

b)

2 cells

c)

4 cells

d)

1 cell and 3 polar bodies

13.

Which word means "having half the number of chromosomes, or having one set of chromosomes?"

a)

haploid

b)

diploid

c)

triploid

d)

trisomy

14.

Which of the following are gametes? (pick two)

a)

skin cells

b)

sperm cells

c)

nerve cells

d)

egg cells

15.

What process occurs when an egg cell and a sperm cell come together to create a zygote?

a)

budding

b)

crossing over

c)

recombination

d)

fertilization

16.

What two processes cause genetic variation or diversity in organisms?

a)

mitosis and meiosis

b)

mitosis and sexual reproduction

c)

meiosis and sexual reproduction

d)

sexual reproduction and asexual reproduction

17.

We discussed four important DNA bases. Which answer correctly describes how these bases pair together?

a)

adenine pairs with cytosine & thymine pairs with guanine

b)

guanine pairs with adenine & cytosine pairs with thymine

c)

adenine pairs with thymine & cytosine pairs with guanine

d)

uracil pairs with guanine & adenine pairs cytosine

18.

A change in a DNA sequence is called a

a)

mutagen

b)

mutation

c)

combination

d)

recombination

19.

Mutations that can be passed down to offspring occur in what kinds of cells?

a)

somatic/body cells

b)

gametes/sex cells

c)

none of the other choices; mutations are never passed down from parent to offspring

20.

Mutations that are NOT passed down to offspring occur in what kind of cells?

a)

somatic/body cells

b)

gametes/sex cells

c)

none of these; mutations are never passed down.

21.

Fertilization that occurs between sperm and egg cells is called

a)

asexual reproduction

b)

crossing over

c)

recombination

d)

sexual reproduction

22.

Sometimes, an organism can reproduce through mitosis. An example is the paramecium. What kind of reproduction occurs when an organism splits into two identical cells?

a)

sexual reproduction

b)

asexual reproduction

c)

multicellular reproduction

23.

Different forms of the same gene

a)

chromosomes

b)

alleles

c)

phenotype

d)

dominant

24.

Strands of DNA and protein

a)

gene

b)

chromosomes

c)

alleles

d)

genotype

25.

Having the same alleles for a trait

a)

chromosomes

b)

phenotype

c)

homozygous

d)

dominant

26.

Piece of DNA that tells about a specific trait

a)

gene

b)

chromosomes

c)

phenotype

d)

homozygous

27.

The allele form that always expresses itself over another

a)

chromosomes

b)

genotype

c)

homozygous

d)

dominant

28.

Physical characteristic of an organism

a)

chromosomes

b)

phenotype

c)

homozygous

d)

dominant

29.

Having different alleles for a trait

a)

phenotype

b)

homozygous

c)

heterozygous

d)

dominant

30.

The specific genes an organism has

a)

alleles

b)

genotype

c)

phenotype

d)

chromosomes

31.

What do the letters INSIDE a Punnet square represent?

a)

the genotype of the father and mother

b)

the phenotype of the father and the mother

c)

the possible genotype(s) of the offspring

d)

the possible phenotypes of the offspring

32.

Camelias are flowers grown in South Mississippi. They come in many different colors. If a camelia flower is heterozygous for red and white traits, and neither trait is dominant, which word would describe this pattern of inheritance?

a)

codominance

b)

incomplete dominance

c)

multiple alleles

d)

simple dominance

33.

For a certain breed of chicken, the trait for color is controlled by codominance. A purebred black chicken (B) is crossed with a purebred white chicken (W). The offspring are 100% black and white checkered color. What is this pattern of inheritance called?

a)

incomplete dominance

b)

codominance

c)

multiple alleles

d)

simple dominance

34.

Traits that are carried on the X or Y gene are inherited differently by males and females. What are these traits called?

a)

incomplete traits

b)

codominant traits

c)

sex-linked traits

35.

The intentional breeding of organisms to produce offspring with specific traits is called

a)

inbreeding

b)

specific breeding

c)

selective breeding

d)

genetic engineering

36.

What term describes the insertion of a gene from one organism into the DNA of another organism?

a)

recombination

b)

crossing over

c)

gene splicing

d)

selective breeding

37.

What is the correct definition of gene therapy?

a)

the intentional mating of certain organisms to produce a specific trait

b)

the insertion of a gene from one organism into the genome of another species

c)

replacing non-working cells with cells that have been genetically altered

38.

There are many factors that can affect gene expression. Some of these factors include temperature, light exposure, drugs, and chemicals. What are these factors called?

a)

genetic factors

b)

environmental factors

c)

selection factors

d)

expression factors

39.

Dolly was the first successfully cloned sheep. Which sentence correctly describes the donor sheep AND Dolly?

a)

Dolly and her donor do not share any DNA

b)

Dolly and her donor have similar DNA, but they aren't identical

c)

Dolly and her donor have the same DNA and are identical

d)

Dolly and her donor only share half of their DNA and are not identical

40.

What is one reason that explains the possible differences between Dolly and her donor's physical appearance or behavior?

a)

Environmental factors

b)

Genetic factors

41.

processes in which organisms with traits well-suited to their environment survive and reproduce at a greater rate than less well-adapted organisms in the same environment

a)

adaptation

b)

competition

c)

fitness

d)

variation

42.

struggle for survival when a growing population causes scarcity of resources

a)

adaptation

b)

competition

c)

natural selection

d)

fitness

43.

changes in DNA of individuals in a population

a)

fitness

b)

variation

c)

vestigial structure

d)

homologous structure

44.

the ability to survive and reproduce in a specific environment

a)

competition

b)

natural selection

c)

fitness

d)

variation

45.

the remains of dead organisms

a)

homologous structures

b)

DNA sequence

c)

fossilized organisms

d)

embryology

46.

The similarities and differences in amino acid sequences between organisms

a)

homologous structures

b)

DNA sequence

c)

fossil record

d)

embryology

47.

Structures in different organisms having similar bone structure

a)

homologous structure

b)

DNA sequence

c)

fossil record

d)

embryology

48.

In the early stages of development, dogs, pigs, and humans resemble each other.

a)

homologous structures

b)

DNA sequence

c)

fossil record

d)

embryology

49.

Structures that have reduced in size because they no longer serve an important function (example: your appendix)

a)

variation

b)

vestigial structure

c)

homologous structure

d)

DNA sequence

50.

Darwin studied finches on the Galapagos Islands. He noticed that their head and beak structures were different. Why were these structures different?

a)

The structures were different because the birds were different species.

b)

The structures were different because there were different sources of food available for them to eat

c)

The structures were different because of interbreeding