Indiana Science Grade 7

Chapter 4: Cell Reproduction

Cell Reproduction

1.
The process of meiosis ensures that organisms will have __________.
A)different numbers of chromosomes than its parents have
B)a different haploid number than its parents have
C)the same diploid number as its parents have
D)the ability to reproduce by budding
2.
Hydra reproduce through __________, where the offspring grows from the body of the parent organism.
A)thymine
B)mutations
C)budding
D)DNA
3.
During prophase, the two centrioles __________.
A)move to opposite ends of the cell
B)turn into chromosomes
C)disintegrate during the process
D)help plant cells develop
4.
__________ is a base found in RNA but not in DNA.
A)Cytoplasm
B)Uracil
C)Adenine
D)Mitosis
5.
Each of your cells uses __________ of the genes in a chromosome.
A)two
B)some
C)none
D)all
6.
Of the two types of cells made by the human body, the majority of those cells are __________.
A)sex cells
B)budding cells
C)incomplete cells
D)body cells
7.
The cell that is formed when fertilization occurs is called __________.
A)a cytoplasm
B)a ladder
C)a mutation
D)a zygote
8.
A sea star has one of its arms break off. That arm grows into its own separate organism through __________.
A)sexual reproduction
B)regeneration
C)chromosomes
D)spindle fibers
9.
Which of these is part of asexual reproduction?
A)egg
B)sperm
C)regeneration
D)zygote
10.
The process of the cell cycle where the nucleus divides to create two identical nuclei is called __________.
A)mutation
B)mitosis
C)DNA
D)interphase
11.
How many chromosomes are in human sex cells?
A)1
B)46
C)23
D)8
12.
The four nitrogen bases that are found in DNA are adenine, guanine, thymine, and _________.
A)cytosine
B)centriole
C)chromatid
D)cytoplasm
13.
What can fission be used to do?
A)meiosis
B)cell cycles
C)asexual reproduction
D)sexual reproduction
14.
The final step in the mitosis process for animal cells is _________.
A)chromosomes
B)interphase
C)centrioles
D)telophase
15.
A male tiger contributes sperm to a females tiger's egg to produce a zygote. The process that produces haploid sex cells is __________.
A)fission
B)meiosis
C)mitosis
D)interphase
16.
Which of these is a part of sexual reproduction?
A)zygote
B)budding cells
C)fission
D)regeneration
17.
How many chromosomes are in a human kidney cell?
A)8
B)46
C)1
D)23
18.
Suppose an animal with 38 diploid chromosomes is able to produce offspring with an animal that has 60 diploid chromosomes. How many diploid number of chromosomes would the offspring receive from each parent?
A)19 and 30
B)19 and 60
C)38 and 30
D)76 and 120
19.
When a mistake happens in the process of copying DNA, the result is called __________.
A)a nucleus
B)a zygote
C)a chromosome
D)a mutation
20.
DNA code is __________ before being passed to new cells.
A)copied
B)destroyed
C)regenerated
D)doubled
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