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Biology Second Sem Exam 2007 Practice Test

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 

Which if the following is NOT a reactant for photosynthesis?
a.
oxygen
c.
carbon dioxide
b.
water
d.
energy
 

 2. 

The main energy trapping molecule is plants is
a.
chloroplast
c.
stroma
b.
chlorophyll
d.
carotenoids
 

 3. 

How many phophate groups does ATP have?
a.
1
c.
3
b.
2
d.
4
 

 4. 

How many NET ATP are produced from glycolysis?
a.
1
c.
3
b.
2
d.
4
 

 5. 

The ultimate energy source for all of life is?
a.
soil
c.
minerals
b.
water
d.
the sun
 

 6. 

What is the name of the green pigment found in plants?
a.
glucose
c.
citric acid
b.
cholrophyll
d.
pyruvic acid
 

 7. 

Which type of fermentation occurs in humans?
a.
lactic acid
c.
respiration
b.
alcoholic
d.
fermentaion
 

 8. 

What are the reactants for photosynthesis?
a.
water and oxygen
c.
water and carbon dioxide
b.
carbon dioxide and oxygen
d.
carbon dioxide and PGAL
 

 9. 

Most plants appear green because
a.
green light is not absorbed
c.
green light is absorbed
b.
violet lighht is reflected
d.
light has nothing to do with it
 

 10. 

Grana are
a.
stacks of thylakoids
c.
membrane enclosing a thylakoid
b.
stacks of chloroplasts
d.
photosynthetic pigment molecules
 

 11. 

Which is NOT true about ATP
a.
ATP is made up of adenosine and three phosphate groups
c.
When ATP releases energy, ADP is formed
b.
ATP provides energy for cells
d.
Used ATP is discarded as waste by the cell
 

 12. 

What are the stages of cellular respiration in correct order
a.
Calvin cycle, glycolysis, ETC
c.
Kreb's cycle, ETC, glycolysis
b.
glycolysis, Kreb's cycle, ETC
d.
Glycolysis. Calvin cycle, ETC
 

 13. 

Which of the following processes requires DNA to unzip?
a.
transcription and translation
c.
replication and translation
b.
transcription and replication
d.
nothing
 

 14. 

Which DNA strand can base pair with a strand that reads ATGCTA?
a.
TACGAT
c.
UACGAU
b.
ATGCTA
d.
AUGCUA
 

 15. 

Which of the following nucleotide chains could be apart of an mRNA strand?
a.
ATGCCA
c.
GCCTTG
b.
AATAAA
d.
AUGCCA
 

 16. 

The sugar in RNA is known as?
a.
glucose
c.
ribose
b.
deoxyribose
d.
sucrose
 

 17. 

Which of the following molecules is used to transcribe?
a.
DNA
c.
rRNA
b.
mRNA
d.
tRNA
 

 18. 

Which molecule is used to assemble proteins?
a.
rRNA
c.
DNA
b.
tRNA
d.
mRNA
 

 19. 

What must occur first for DNA to replicate?
a.
an enzyme must bind to the DNA to unwind and unzip the DNA
c.
RNA must attach to the DNA
b.
the DNA must leave the nucleus
d.
it does not replicate
 

 20. 

RNA
a.
contains a sugar called ribose and 4 bases- A, T, C, G
c.
contains a sugar called deoxyribose and 4 bases- A, U, C, G
b.
contains a sugar called ribose and 4 bases- A, U, C, G
d.
contains a sugar called deoxyribose and 4 bases- A, T, C, G
 

 21. 

DNA
a.
contains a sugar called ribose and 4 bases- A, T, C, G
c.
contains a sugar called ribose and 4 bases- A, U, C, G
b.
contains a sugar called deoxyribose and 4 bases- A, U, C, G
d.
contains a sugar called deoxyribose and 4 bases- A, T, C, G
 

 22. 

All of the following are types of RNA except?
a.
rRNA
c.
dRNA
b.
tRNA
d.
mRNA
 

 23. 

This type of RNA is responsible for transporting amino acids to the ribosome
a.
tRNA
c.
mRNA
b.
rRNA
d.
dRNA
 

 24. 

The name of the bond between amino acids is called
a.
protein bond
c.
nuclear bond
b.
peptide bond
d.
amino acid bond
 

 25. 

WHich nitrogenous base does Uracil bond with in RNA?
a.
adenine
c.
thymine
b.
thymine
d.
guanine
 

 26. 

Which of the following is a difference between DNA and RNA?
a.
RNA's sugar is deoxyribose and DNA's sugar is ribose
c.
DNA is single stranded and RNA is double stranded
b.
RNA contains uracil and DNA contains thymine
d.
They are the same thing
 

 27. 

Which of the following bases will pair up with cytosine in DNA?
a.
Thymine
c.
Uracil
b.
Adenine
d.
Guanine
 

 28. 

If a cell has a diploid nuber of 16, this means the cell has
a.
16 chromosomes
c.
8 pairs of chromosomes
b.
16 pairs of chromosomes
d.
32 chromosomes
 

 29. 

In which stage of mitosis do the sister chromatids pull apart?
a.
prophase
c.
telophase
b.
metaphase
d.
anaphase
 

 30. 

In which stage of mitosis do the chromosomes pull apart?
a.
prophase
c.
telophase
b.
metaphase
d.
cytokinesis
 

 31. 

The product of mitosis is
a.
2 identical daughter cells
c.
2 non-identical daughter cells
b.
4 identical daughter cells
d.
4 non-identical daughter cells
 

 32. 

Which scientists discovered that DNA is the hereditary material?
a.
Watson & Crick
c.
Lewis & Clark
b.
Herschey & Chase
d.
Watson & Chase
 

 33. 

Which of the following will pair up with adenine in DNA?
a.
cytosine
c.
thymine
b.
uracil
d.
guanine
 

 34. 

Which scientists discovered the structure of DNA?
a.
Watson & Crick
c.
Lewis & Clark
b.
Herschey & Chase
d.
Watson & Chase
 

 35. 

What is the correct order of mitosis?
a.
PMAT
c.
IPMA
b.
IPMAT
d.
IPMATC
 

 36. 

This molecule is a double helix or two rows of nucleotides twisted in a spiral
a.
DNA
c.
tRNA
b.
mRNA
d.
rRNA
 

 37. 

Which of the following nitrogenous bases is not found in DNA
a.
cytosine
c.
adenine
b.
guanine
d.
uracil
 

 38. 

This is the genetic material os all cells that serves as the 'blueprint' for life
a.
DNA
c.
protein
b.
RNA
d.
amino acids
 

 39. 

The sugar found in DNA is
a.
Glucose
c.
Ribose
b.
Deoxyribose
d.
Sucrose
 

 40. 

In which stage of mitosis do the two new nuclei begin to appear?
a.
interphase
c.
metaphase
b.
telophase
d.
anaphase
 

 41. 

Multicellular organisms use mitosis for
a.
production of offspring
c.
sexual reproduction
b.
growth and repair
d.
production of gametes
 

 42. 

Which of the following are the products of meiosis?
a.
2 diploid somatic cells
c.
4 diploid somatic cells
b.
2 haploid gametic cells
d.
4 haploid gametic cells
 

 43. 

The 'father of genetics' is?
a.
Gregor Mendel
c.
Isaac Newton
b.
Albert Einstein
d.
Schwann & Schleiden
 

 44. 

What is the name for the cells produced from meiosis?
a.
fertilization
c.
gametes
b.
zygotes
d.
somates
 

 45. 

If you cross a homozygous dominant with a homozygous recessive you will always get?
a.
all heterozygotes
c.
half homozygotes and half heterzygotes
b.
all homozygotes
d.
1homozygous dominant: 2 heterzygotes: 1 homozygous recessive
 

 46. 

In this pattern of inheritance, the pheotype of a heterozygote is a blend or mix of the dominant and recessive phenotypes
a.
multiple alleles
c.
co-dominance
b.
incomplete dominance
d.
simple Mendalian genetics
 

 47. 

Certain traits are controlled by genes on the X chromosome and will therefore occur more often in males than females. This is known as?
a.
multiple alleles
c.
sex influenced
b.
sex linkage
d.
gene linkage
 

 48. 

The cells produced in meiosis
a.
are haploid
c.
are in the somatic cells
b.
are diploid
d.
are used in asexual reproduction
 

 49. 

If a blue eyed woman has a child with a heterzygous man, what are the chances of having a blue eyed child?
a.
0%
c.
50%
b.
25%
d.
100%
 

 50. 

Hemophilia is a sex linked trait. A female who does not show symptoms of the disease has children with a man who also does not show symptoms for the disease. They have four children, where none of the girls and half of the boys do not show symptoms of the disease. One of the two boys does have the disease. What would the genotype of the mother be?
a.
XNXN
c.
XNXn
b.
XnY
d.
XNY
 

 51. 

In which of the following diseases is there a trisomy of chromosome 21, which causes mental retardation, oval shaped eyes and the chances of having a child with this disease increases with a woman's age?
a.
Down's Syndrome
c.
Kleinfelter's
b.
Tay-Sachs
d.
Ataxia
 

 52. 

In this disease, patients have an excess of mucus secreted, expecially in the lungs, causing frequent respiratory problems until an early death, usually in the 40s-50s.
a.
Achondroplasia
c.
Progeria
b.
Prader-Willi
d.
Cystic Fibrosis
 

 53. 

On a pedigree the filled in cirlce represents
a.
a male with the trait
c.
a female with the trait
b.
a male without the trait
d.
a female without the trait
 

 54. 

Molds, mildews, and yeasts all belong to what kingdom?
a.
Protista
c.
Prokaryote
b.
Animalia
d.
Fungi
 

 55. 

What field of biology deals with classifying organisms?
a.
nomenclature
c.
taxonomy
b.
classification
d.
hierarchy
 

 56. 

A dichotomous key is a tool used for identifying
a.
organisms
c.
habitats
b.
family trees
d.
birds only
 

 57. 

What is a characteristic of the cells of organisms that belong to the kingdom
Animalia?
a.
They have cellulose.
c.
They lack cell walls.
b.
They are unicellular.
d.
They lack organelles.
 

 58. 

Which organisms belong to the kingdom Plantae?
a.
mushrooms
c.
sea stars
b.
algae
d.
mosses
 

 59. 

According to the modern classification system, kingdoms are divided into phyla.
How are phyla divided?