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Pretest Midterm

Total questions: 40

Worksheet time: 24mins

Name
Class
Date
1.
What is the correct equation for cellular respiration?
a)
6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy
b)
6O2 + C6H12O6 + Energy -> 6CO2 + 6H2O
c)
6CO2 + 6H2O -> 6O2 + C6H12O6 + Energy
d)
6CO2 + 6H2O + Energy -> 6O2 + C6H12O6
2.
Where does the Krebs Cycle take place?
a)
mitochondria
b)
chloroplast
c)
cytoplasm
d)
nucleus
3.

what are the outputs of glycolysis?

a)

CO2

b)

Pyruvic acid x 2

c)

H2O

d)

ATP

4.
The energy in ATP is stored 
a)
in the bond between the second and third phosphate
b)
in the bond between the first and second phosphate
c)
in the bond between the adenosine and the first phosphate
d)
I like turtles
5.
What is the energy molecule?
a)
DNA
b)
ATP
c)
RNA
d)
AAA
6.
The splitting of the glucose molecule is called?
a)
synthesis
b)
denaturalization
c)
glycolysis
d)
dissolving
7.

Which of the following is a product of cellular respiration?

a)

Radiant Energy

b)

Oxygen

c)

Glucose

d)

Water

8.

Why did Mendel choose to work with the garden pea plant?

a)

Because the pea plant is easy to work with.

b)

Because pea plants are fast growing.

c)

Because the pea plant has a number of characteristics, each with only two forms.

d)

all of the above

9.

Cc and CC are examples of which of the following?

a)

genotype

b)

phenotype

c)

neither

d)

both a and b

10.

The law of independent assortment states that

a)

two factors of the same characteristic separate into different gametes.

b)

there are dominant and recessive factors.

c)

factors controlling different characteristics are inherited independently of each other.

d)

there are two factors that control inheritance.

11.

Which does not describe Gregor Mendel?

a)

An Austrian monk

b)

Author of Punnet Square

c)

Father of Genetics

d)

Proponent of Law of Dominance

12.

Which is true about homozygous organism?

a)

has different alleles

b)

has only one of the alleles

c)

has three identical alleles

d)

has two similar alleles

13.

Was studying Streptococcus pneumoniae. He worked with two strains of the bacterium, a pathogenic strain and a nonpathogenic strain. Found that when he mixed heat-killed remains of the pathogenic strain with living cells of the nonpathogenic strain, some of these living cells became pathogenic.

a)

Chargaff

b)

Franklin

c)

Griffith

d)

Hershey and Chase

e)

Watson and Crick

14.

Composed of the bases:

Adenine (A), Cytosine (C), Guanine (G), and Uracil (U)

a)

DNA

b)

DNA replication

c)

Nucleic Acids

d)

Replication origins

e)

RNA

15.

Made up of units called nucleotides, and composed of:

1) Sugar

2) Phosphate (phosphoric acid)

3) Base – (Nitrogen)

a)

DNA

b)

DNA replication

c)

Nucleic Acids

d)

Replication origins

e)

RNA

16.

Occurs when the parent molecule unwinds, and two new daughter strands are built based on base-pairing rules

a)

DNA

b)

DNA replication

c)

Nucleic Acids

d)

Replication origins

e)

RNA

17.

Composed of the bases:

Adenine (A), Cytosine (C), Guanine (G), and Thymine (T)

a)

DNA

b)

DNA replication

c)

Nucleic Acids

d)

Replication origins

e)

RNA

18.

A change in genotype and phenotype due to the assimilation of external DNA by a cell.

a)

Anticodon

b)

Codon

c)

Transcribe

d)

Transformation

e)

Translation

19.

Nucleotide sequences that postpone the erosion of genes near the ends of DNA molecules

a)

mRNA

b)

rRNA

c)

Telomeres

d)

tRNA

e)

Ribosomes

20.

Carries messages from nucleus to the cytoplasm

a)

mRNA

b)

rRNA

c)

Telomeres

d)

tRNA

e)

Ribosomes

21.

The three letter nucleotide sequence complementary to mRNA.

a)

Anticodon

b)

Codon

c)

Transcribe

d)

Transformation

e)

Translation

22.

The three letter mRNA code for an Amino Acid.

a)

Anticodon

b)

Codon

c)

Transcribe

d)

Transformation

e)

Translation

23.

When does recombination first occur in meiosis?

a)

prophase I

b)

prophase II

c)

metaphase I

d)

metaphase II

24.

IN Mirabilis jalapa WHEN THE PLANT WITH RED FLOWER CROSSED WITH THAT OF WHITE FLOWER F1 HYBRIDS SHOW FLOWERS WITH PINK COLOUR ,THIS IS DUE TO

a)

MENDELIAN DOMINANCE

b)

CODOMINANCE

c)

INCOMPLETE DOMINANCE

d)

ALL OF THE ABOVE

25.

Which of the following chromosome combinations will result in a female in humans?

a)

XY

b)

X

c)

XX

d)

YY

26.

One source of genetic variation is when two alleles for each gene separate during gamete formation. This is known as:

a)

Segregation

b)

Independent Assortment

c)

Random Fertilization

27.

One source of genetic variation is when alleles of genes on nonhomologous chromosomes assort independently during gamete formation. This is known as:

a)

Segregation

b)

Independent Assortment

c)

Random Fertilization

28.

Down Syndrome (trisomy 21) results from an extra copy of chromosome #21. This can be caused by:

a)

nondisjunction

b)

translocation

c)

a single mutated allele

d)

nonsense mutation

29.
The division process that cells undergo to repair or replace damage or to reproduce exact copies is called 
a)
mitosis
b)
meiosis
c)
replication
d)
synthesis
30.
Body cells of humans have ___ PAIRS of chromosomes
a)
46
b)
23
c)
24
d)
12
31.
Which disease or disorder is the result of having an extra chromosome?
a)
Cystic Fibrosis
b)
Down Syndrome
c)
Colorblindness
d)
Sickle-cell Disease
32.
What is the name of the protein that is not normal in people with sickle-cell disease?
a)
mucus
b)
clotting protein
c)
karyotype
d)
hemoglobin
33.
Which genetic disorder or disease is a sex-linked trait and carried on the X chromosome?
a)
Cystic Fibrosis
b)
Sickle-cell Disease
c)
Hemophilia
d)
Down Syndrome
34.
A doctor may use a _________ to examine the chromosomes in a cell.
a)
x-ray
b)
blood test
c)
karyotype
d)
hemoglobin
35.
Which disorder or disease has alleles that are co-dominant with each other?
a)
Cystic Fibrosis
b)
Sickle-cell Disease
c)
Down Syndrome
d)
Hemophilia
36.
In order to trace occurrence of a trait through several generations of a family, you could create a ____________.
a)
karyotype
b)
hemoglobin
c)
pedigree
d)
chromosomal map
37.
Which sex chromosomes would indicate a typical human male?
a)
XX
b)
X
c)
XY
d)
XXY
38.
What is the chromosomal condition of the individual whose karyotype is seen in the image?
a)
Trisomy 21 (Down's Syndrome)
b)
Trisomy 13 (Patau Syndrome)
c)
Trisomy 18 (Edward's Syndrome)
d)
XXY Sex Chromosomes (Klinefelter's Syndrome)
39.
Which disorder is characterized by degradation of the nervous system and usually results in death during infancy?
a)
Tay-Sachs
b)
Cystic fibrosis
c)
Huntington's
d)
PKU
40.

Which of the following is true of Klinefelter's Syndrome

a)

It is found in males only resulting in an extra y chromosome

b)

It is found in males only resulting in an extra X chromosome

c)

It is found in females only resulting in a missing X chromosome

d)

It is found in females only on the 23rd chromosome

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