Name: 
 

Cellular Reproduction Test



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

 1. 

In DNA copying, the bonds between the nitrogen bases are broken by a(n) ____.
a.
hormone
c.
RNA
b.
enzyme
d.
cytoplasm
 

 2. 

Animal cells do NOT have ____.
a.
centrioles
c.
cell plates/walls
b.
centromeres
d.
cytoplasm
 

 3. 

Most of the life of any cell is spent in a period of growth called ____.
a.
interphase
c.
telophase
b.
prophase
d.
anaphase
 

 4. 

Which of the following does not occur in plant cell mitosis, but does occur in animal cell mitosis?
a.
spindle fibers form
c.
cell walls form
b.
centrioles form
d.
cell plate forms
 

 5. 

The chromosomes in the nucleus of a cell contain a code known as ____.
a.
RNA
c.
meiosis
b.
mitosis
d.
DNA
 

 6. 

DNA does NOT contain the nitrogen base ____.
a.
adenine
c.
uracil
b.
cytosine
d.
thymine
 

 7. 

A cell that has two of every kind of chromosome is ____.
a.
haploid
c.
an egg
b.
diploid
d.
a sperm
 

 8. 

Haploid numbers of chromosomes are usually found in the ____ of an organism.
a.
tissues
c.
reproductive cells
b.
body cells
d.
zygotes
 

 9. 

Each human skin cell has ____ pairs of chromosomes.
a.
13
c.
23
b.
18
d.
46
 

 10. 

Hydra reproduce by ____.
a.
budding
c.
regeneration
b.
fission
d.
fussion
 

 11. 

In ____ a body part regrows and may form a new organism.
a.
fission
c.
regeneration
b.
budding
d.
fusion
 

Matching
 
 
Match each term with the correct description below.
a.
mitosis
d.
eggs
b.
fertilization
e.
meiosis
c.
zygote
f.
sperm
 

 12. 

reproductive cells from female reproductive organ
 

 13. 

reproductive cells from male reproductive organ
 

 14. 

only takes place in reproductive organs
 

 15. 

cell that forms in fertilization
 

 16. 

joining of two reproductive cells
 

 17. 

takes place in body cells
 

Completion
Complete each statement.
 

 18. 

The process of nuclear division that produces haploid reproductive cells is ____________________.
 

 

 19. 

A strand of DNA has the following order of bases: CGTATCGA. The corresponding order of bases in the matching RNA will be ____________________.
 

 

 20. 

Two reproductive cells join to produce a new individual in ____________________ reproduction.
 

 

 21. 

The amount of adenine in DNA always equals the amount of ____________________.
 

 

 22. 

DNA copying occurs during ____________________.
 

 

 23. 

The codes for making proteins are carried from the nucleus to the ribosomes in the cytoplasm by ____________________.
 

 

 24. 

Bacterial cells reproduce by ____________________.
 

 

 25. 

Budding and regeneration are two types of ____________________ reproduction.
 

 

 26. 

Mitosis is defined as division of a(n) ____________________.
 

 

 27. 

In ____________________ reproduction, organisms are produced from only one parent.
 

 

 28. 

During the ____________________ step of mitosis, the cytoplasm begins to divide and two new identical cells form.
 

 

 29. 

During the ____________________ step of mitosis, the centromere of each pair of chromatids becomes attached to two spindle fibers.
 

 

 30. 

Reproductive cells differ from body cells in that they do not have ____________________ of chromosomes.
 

 

 31. 

RNA structure differs from DNA in that it contains the nitrogen base ____________________ in place of thymine.
 

 

 32. 

The joining of an egg and a sperm is called ____________________.
 

 

 33. 

The abbreviation tRNA stands for ____________________ RNA.
 

 

 34. 

Reproduction that involves two organisms relies on meiosis instead of mitosis because only meiosis produces ____________________ reproductive cells.
 

 

Short Answer
 

 35. 

Why are bacteria unable to undergo mitosis?
 

 36. 

A single cell undergoes mitosis every five minutes. How many cells will result from this cell in 15 minutes? In 30 minutes?
 

 37. 

Describe the end products of a single episode of meiosis?
 

 38. 

How do nerve and muscle cells differ from other body cells?
 

 39. 

A human has 46 chromosomes in each body cell. How many chromosomes does each egg cell have?
 

 40. 

Why is it important for egg and sperm cells to join in fertilization?
 

 41. 

Why can't an egg or a sperm cell alone develop into a new individual?
 

 42. 

What steps of meiosis are similar to which steps of mitosis?
 

 43. 

How is the cytoplasm divided between the two cells that result from mitosis in plant cells? In animal cells?
 

 44. 

How can mutations occur in cells?
 

 45. 

What is the difference between messenger RNA and transfer RNA?
 

 46. 

Who was responsible for discovering the structure of DNA?
 

 47. 

What would happen if a cell divided before the chromosomes were duplicated?
 

 48. 

Describe the structure of DNA.
 

 49. 

Beginning with interphase, use the letters to order the following events:
A      prophase
B      telophase
C      metaphase
D      interphase
E      anaphase
 

 50. 

Order the steps of DNA copying listed below:
A      Bases attached to each strand pair up with bases in cytoplasm.
B      Sugar and phosphate groups bond to form sides of new DNA strands.
C      Enzyme breaks bonds and DNA strands unwind and separate.
 



 
Check Your Work     Start Over