WorksheetsDNA, Chromosomes, Cell Division, Natural/Artificial Selection
Total questions: 28
Worksheet time: 14mins
Name
Class
Date
1.
What is the stage of mitosis where the chromosomes line up in the middle of the cell?
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
2.
What is the stage of mitosis where the chromosomes start to condense?
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
3.
What is the stage of mitosis where the chromosomes start to be pulled apart?
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
4.
This type of reproduction produces identical clones of the original organism.
a)
Sexual Reproduction
b)
Asexual Reproduction
5.
Natural selection causes what?
a)
mutations
b)
selective breeding
c)
evolution
d)
random changes to an animals in an environment
6.
What is the stage of mitosis when there are now 2 separate nuclei?
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
7.
Sex cells (gametes) have how many chromosomes?
a)
13
b)
24
c)
23
d)
46
8.
Body (somatic) cells, should have how many chromosomes?
a)
23
b)
46
c)
91
9.
Which nitrogen base matches with Adinine (A)?
a)
Adinine (A)
b)
Thymine (T)
c)
Guanine (G)
d)
Cytosine (C)
10.
Match the DNA strand to its correct partner AATCGC
a)
AATCGC
b)
CGCTAA
c)
TTACGC
d)
TTAGCG
11.
Where in the cell is DNA stored?
a)
cytoplasm
b)
ribosomes
c)
vacuoles
d)
nucleus
12.
What is the name for DNA's shape.
a)
double helix
b)
single helix
c)
hydrogen twist
d)
dioxide flip
13.
What is referred to as the blueprint of life?
a)
a chromosome
b)
a gene
c)
DNA
d)
phenotype
14.
Cell A is currently at which stage of mitosis?
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
15.
Cell B is currently at which stage of mitosis?
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
16.
Cell C is currently at which stage of mitosis?
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
17.
True or False: There are many different types of mutations. Some of them can be harmless, while some can be live threatening.
a)
True
b)
False
18.
True or False: Bacteria splitting into two is considered sexual reproduction.
a)
True
b)
False
19.
True or false: Organisms that are more fit for an environment are more likely to survive and pass their genes on to the next generation.
a)
True
b)
False
20.
Which process involves humans continuing to breed animals/plants that have traits which benefit humans?
a)
Natural selection
b)
Artificial selection
c)
Genetic modification
d)
GMO
21.
True or False: Selective breeding is artificial selection.
a)
True
b)
False
22.
What causes natural variation in a population of organisms?
a)
mutations
b)
natural selection
c)
GMOs
d)
artificial selection
23.
Charles Darwin discovered that the finches of the Galapagos Islands had differently shaped beaks on different islands. What caused these differences in beak shape?
a)
Genetic modification
b)
Artificial Selection
c)
Natural Selection
d)
Selective Breeding
24.
Farmer Piatnochka makes a living by selling milk to grocery stores. He only breeds cows that produce lots of milk. This is an example of what?
a)
Genetic Modification
b)
Artificial Selection
c)
Natural Selection
d)
Cloning
25.
True or False: Individual organisms have their DNA changed/altered through a process called artificial selection
a)
True
b)
False
26.
A single organism can evolve
a)
True
b)
False
27.
Which of the following is NOT considered evidence of evolution?
a)
Fossil Records
b)
Homologous Structures
c)
Artificial Selection
d)
Vestigial Structures
28.
Based on this evolutionary tree, which animal family is most closely related to arthropods?
a)
echinoderms
b)
roundwords
c)
annelids
d)
sponges
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