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WorksheetsCell Cycle
Total questions: 25
Worksheet time: 19mins
Name
Class
Date
1.
When a cell is not actively dividing, it is in what phase?
a)
interphase
b)
anaphase
c)
prophase
d)
telophase
2.
When a cell divides, what do we call the 2 new cells?
a)
mother cells
b)
father cells
c)
daughter cells
d)
son cells
3.
Before a cell can divide, what must happen?
a)
Nothing, it is always ready to divide
b)
The number of chromosomes must be cut in half
c)
The number of chromosomes must double
d)
The number of chromosomes must triple.
4.
If the message never gets through for a cell to stop dividing and it just keeps dividing over and over again, what can form?
a)
tumor
b)
freckle
c)
goosebump
d)
scab
5.
In which type of cells will mitosis occur?
a)
egg cells
b)
sperm cells
c)
jail cells
d)
Body cells except the sperm and egg cells
6.
What is the name of the process in which DNA (genetic information) is exchanged during meiosis?
a)
crossing under
b)
crossing over
c)
melding
d)
blending
7.
In meiosis, the haploid number of chromosomes in a human sex cell is:
a)
46
b)
92
c)
22
d)
23
8.
What is the diploid number of cells found in a human body cell?
a)
23
b)
46
c)
92
d)
47
9.
After meiosis is complete how many cells will there be?
a)
1
b)
2
c)
3
d)
4
10.
Another name for a sex cell is a:
a)
gamete
b)
embryo
c)
bone cell
d)
muscle cell
11.
After meiosis is complete, the new cells:
a)
are all identical
b)
are all different
c)
are half identical and half different
d)
are all stretched out
12.
Why is sexual reproduction better than asexual reproduction?
a)
It gives an advantage to organisms to be different than the rest, if the environment changes.
b)
It is better for all organisms to be the same.
c)
It happens faster.
d)
It helps skin cells divide faster to heal wounds.
13.
A is:
B is:
C is:
B is:
C is:
a)
A: chromatid
B: centromere
C: chromosome
B: centromere
C: chromosome
b)
A: chromosome
B: chromatid
C: centromere
B: chromatid
C: centromere
c)
A: chromosome
B: centromere
C: chromatid
B: centromere
C: chromatid
d)
A: centromere
B: chromosome
C: chromatid
B: chromosome
C: chromatid
14.
The process on the left is:
The process on the right is:
The process on the right is:
a)
Left: meiosis
Right: meiosis
Right: meiosis
b)
Left: meiosis
Right: cloning
Right: cloning
c)
Left: mitosis
Right: meiosis
Right: meiosis
d)
Left: mitosis
Right: mitosis
Right: mitosis
15.
What scientific process is being shown?
a)
Mixing
b)
Crossing under
c)
Crossing over
d)
square dancing
16.
Place these cells in order of mitosis.
a)
A, B, C, D, E
b)
B, E, D, A, C
c)
C, E, A, D, B
d)
B, D, A, E, C
17.
Have you ever heard of a skin graft? Skin cells can be harvested from one area and be grown in order to help burn victims or other skin injuries. Which process would result in the development of more skin cells in this treatment?
a)
Mitosis
b)
Meiosis
c)
Crossing Over
d)
Interphase
18.
How many chromosomes do humans have?
a)
46
b)
21
c)
10
19.
Organisms with 34 chromosomes in their body cells will have this many chromosomes in their sex cells
a)
34
b)
68
c)
124
d)
17
20.
What phase is this?
a)
prophase
b)
metaphase
c)
anaphase
d)
telephase
21.
Asexual reproduction can reproduce which offspring?
a)
Diverse offspring
b)
Both diverse and uniform offspring
c)
Uniform offspring
d)
Asexual offspring
22.
The saguaro is a tree-like cactus that grows over 50 feet tall in desert areas of North America. The cactus flowers in the spring and relies mainly on bats for pollination. The flowers produce fleshy fruit filled with thousands of seeds, each one genetically unique.
a)
Asexual reproduction
b)
Sexual reproduction
c)
Mitosis
d)
Meiosis
23.
A lizard loses its tail and grows a new one. What type of reproduction is this?
a)
Binary Fission
b)
Regeneration
c)
Meiosis
d)
Budding
24.
What type of asexual reproduction is taking place?
Fishermen work hard to catch and remove all the starfish that get into their favorite shell fishing beds and the “underwater farms” where they raise clams and oysters. In the past, they put the starfish into their boats, cut them up with knives, and then throw the pieces of starfish overboard. They thought this would kill the starfish. What they did not know was that each piece of starfish will grow into a whole new animal.
Fishermen work hard to catch and remove all the starfish that get into their favorite shell fishing beds and the “underwater farms” where they raise clams and oysters. In the past, they put the starfish into their boats, cut them up with knives, and then throw the pieces of starfish overboard. They thought this would kill the starfish. What they did not know was that each piece of starfish will grow into a whole new animal.
a)
Regeneration
b)
Vegetative propagation
c)
Budding
d)
Fission
25.
The offspring from asexually reproduced organisms are?
a)
Different than their parents
b)
Identical to parents
c)
Like a combination from both parents
d)
A different species
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