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WorksheetsGrade 9 Unit 4 Review
Total questions: 25
Worksheet time: 26mins
In which time period are we currently living?
Paleozoic Era
Cenozoic Era
Precambrian Time
Mesozoic Era
In what time period, did Pangea begin to separate/drift?
Paleozoic Era
Cenozoic Era
Precambrian Era
Mesozoic Era
The end of the Mesozoic Era was most likely caused by?
A meteor
Lowering sea levels
Too much oxygen
An ice age/glaciation
Which extinction is considered the largest mass extinction in Earth's history? Basically 96% of all species on Earth disappeared.
Ordovician Extinction
Permian Extinction
Devonian Extinction
Cretaceous Extinction
There have been _____ mass extinction events in Earth's history.
2
3
4
5
According to most scientists, what is the ultimate cause of most mass extinctions?
overhunting
major change in environment or climate
evolution of new species to replace old ones
asteroid/meteor impact
The dinosaurs went extinct in the __________ Mass extinction
Ordovician Extinction
Permian Extinction
Triassic Extinction
Cretaceous Extinction
Based on the diagram of the stratigraphic layers, which of the following type of fossils first appeared later than the rest?
plant
dinosaur
Trilobite
fish
Which of the following is not a function of mitosis?
Growth
Replacement of old cells
Increase the number of cells
produced gametes
Which of the following organelles is responsible for protein production?
Mitochondria
Cytoplasm
Ribosome
Nucleus
What are the proper complementary base-pairs?
A--T and G--C
G--T and A--C
G--T and A--C
A--C and T--G
T A G G A C T
The complementary strand is...
T A G G A C T
A T G G T G A
A T C C T G A
T T C C A G T
The following are true about DNA:
single helix, deoxyribose, GCAU
double helix, ribose, GCAU
single helix, deoxyribose, GCAT
double helix, deoxyribose, GCAT
What's the word for a full set of chromosome pairs
Haploid
Diploid
Centromere
Chromatid
Which of the following is not a way in which meiosis can introduce genetic diversity?
mutation
Independent assortment
Crossing over
Random mating
A dog has 78 chromosomes in its body cells. What is the diploid number?
78
39
156
2
A Goat has 60 chromosomes in its body cells. What is the haploid number?
1
30
60
120
This type of tissue lines the internal organs and covers the outside of the body as skin
connective
epithelial
muscle
nerve
This type of tissue includes ligaments, tendons, and cartilage
connective
epithelial
muscle
nerve
Nervous tissue
Tissue that is responsible for lining and covering
Tissue responsible for protecting, supporting, and binding together other body tissues
Tissues that contracts and shortens to produce movement
Tissue that receives and conducts electrochemical impulses from one part of the body to another
Which of the following is not a type of muscle tissue
cardiac
rough
smooth
skeletal
Which of the following represents the correct order of events during the menstrual cycle?
FSH rise, ovulation, LH surge, luteal phase, menstruation
Luteal phase, menstruation, FSH rise, ovulation, follicular phase
Follicular phase, luteal phase, FSH rise, ovulation, menstruation
Menstruation, FSH rise, LH surge, ovulation, luteal phase
The LH surge is primarily responsible for which menstrual cycle event?
Follicle development
Ovulation
Menstruation
Fertilization
Some cases of male infertility are caused by not enough spermatozoa being produced by the testicles.
A blood test can be ordered by a doctor to verify the levels of hormones that are involved in the production and maturation of the spermatozoa.
Which of the following hormones should be tested for, in the case of male infertility?
1. Estrogen
2. Testosterone
3. Luteinizing hormone (LH)
4. Follicle stimulating hormone (FSH)
1 and 2
1, 2 and 3
2 only
2, 3 and 4
All complex living things are multicellular organisms. They are organized from the basic units of matter to the level of a complex living organism.
Which of the following choices are correctly arranged from the simplest (top) to the most complex level of organization (bottom)?
Atom
Cell
Tissue
Organelle
Organ
Organ System
Organism
Atom
Organelle
Cell
Tissue
Organ
Organ System
Organism
Atom
Cell
Organelle
Organ
Organ System
Tissue
Organism
Atom
Organelle
Organ
Organ System
Cell
Tissue
Organism
