Worksheets2025 General Science Final Review (Fall)
Total questions: 65
Worksheet time: 33mins
Name
Class
Date
1.
Plants and animals capture their energy from the sun.
a)
True
b)
False
2.
Men and women have entirely different kinds of chromosomes.
a)
True
b)
False
3.
Men and women have different number of chromosomes.
a)
True
b)
False
4.
You can tell the difference between men and women just by looking at a photograph of their chromosomes.
a)
True
b)
False
5.
A life scientist who observes the relationship between plants, animals, weather and soil on a mountaintop is studying ___________________________
a)
ecosystem
b)
population
c)
community
6.
Which part of a cell manufactures lipids?
a)
cell membrane
b)
nucleolus
c)
endoplasmic reticulum
7.
A person has about 200 different kinds of cells, each specialized to do a particular job. This means that the person ______________________
a)
does not need tissues
b)
does not need organs
c)
is multicellular
8.
Which of the following best describes the function of a plant's leaf?
a)
capturing light energy to make food
b)
getting minerals from the soil
c)
sucking up water
9.
_________________ are the basic units of living things.
a)
Tissues
b)
Organisms
c)
Cells
10.
The ______________ is an organelle that is found only in plants and algae.
a)
ribosome
b)
chroloplast
c)
endoplasmic reticulum
11.
___________________ is what makes chloroplasts green.
a)
Cholesterol
b)
A chromatid
c)
Chlorophyll
12.
A product of cellular respiration is ____________________
a)
oxygen
b)
water
c)
carbon dioxide
d)
both water and carbon dioxide
13.
Chromosomes are organized structures of ___________________.
a)
DNA
b)
ATP
c)
organelles
14.
Human body cells have ___________
a)
23 pairs of homologous chromosomes
b)
a single, circular chromosome
c)
8 chromosomes
15.
During the second stage of eukaryotic cell cycle, the ____________ line up along the equater of the cell.
a)
organelles
b)
chromosomes
c)
centromeres
16.
The inherited combination of alleles is known as the offspring's ___________________
a)
phenotype
b)
heredity
c)
genotype
17.
The organism's appearance is known as its _______________
a)
pedigree
b)
phenotype
c)
heredity
18.
_____________ used plants to study the way traits are passed from parents to offspring.
a)
Mendel
b)
Sutton
c)
Punnett
19.
A gene is ______________________
a)
instructions on how to make a protein
b)
a portion of a strand of DNA
c)
a set of instructions for each trait
d)
All of the above
20.
Most genetic disorders, such as ssickle call anemia, are due to a
a)
Pedigree
b)
recessive gene
c)
dominant gene
21.
A red snapdragon flower crossing with a white snapdragon flower and producing a pink snapdragon flower is an example of
a)
One gene influencing many traits\
b)
incomplete dominance
c)
many genes influencing one trait
22.
The color of your eyes is an example of
a)
How many genes can influence one trait
b)
complete dominance
c)
one gene influencing many traits
23.
The human bdy contains about 50,000 different kinds of ____, which are made of amino acids
a)
bases
b)
proteins
c)
traits
24.
In order for the red-eyes tree frog to produce fertile offspring, it should mate with its own species, which is
a)
tropical rain forest frog
b)
the red-eyed frog
c)
any frog
25.
Whales are similar to fish, but evidence supports that animals beloong to the catagory of
a)
amphibians
b)
reptiles
c)
mammals
26.
Comparing different organisms skeletal structures, DNA, and embryonic structures all provide evidence that supports the theory of
a)
selective breeding
b)
genetic resistance
c)
evolution
27.
During his voyage on the HMS beagle, Charles Darwin made observations that became the foundation for his theory of evolution by
a)
Selective breeding
b)
natural selection
c)
adaption
28.
Charles Darwins 5 year voyage around the world allowed him to
a)
Dig for fossils
b)
see pictures of many animals
c)
Compare characteristics of animals
29.
Darwin observed that, compared to the animals and plants on the nearby South American mainland, the animals and plants on the Galapagos Islands were
a)
Identical
b)
completely different
c)
similar, but not identical
30.
They key to natural selection is
a)
Inherited traits
b)
genetic mutations
c)
successful reproduction
31.
After 1850, dark peppered moths became more abundunt than pale peppered moths. Which of the following factors influenced this change?
a)
Tree trunk color
b)
moth-eating birds
c)
industrialization
d)
all of the above
32.
Bulldogs have been developed by humans by a process called
a)
Speciation
b)
natural selection
c)
selective breeding
33.
Humans with modern-day features have lived on the Earth for only about 0.002 percent of the Earths existence. Our time here has been short when compared with
a)
Your life span
b)
generation time
c)
the geologic time scale
34.
In 1995, Paul Sereno, a ______, found a fossil skull of what may have been the largest land oredator that has ever existed
a)
Paleontologist
b)
fossilogist
c)
geologist
35.
Near the end of the Paleozoic era, _____ winged insects, cockroaches, and dragonflies appeared
a)
Reptiles
b)
plants
c)
dinosaurs
36.
During the Paleozoic era, all major plant groups appeared except for
a)
moss
b)
ferns
c)
flowering plants
37.
Life-saving antibiotics, such as penicillin, are produced by
a)
molds
b)
algae
c)
bacteria
38.
At the bottom of the ocean near hot vents, scientist have discovered small, prokaryotic organisms surviving where most organisms cannot survive. These organisms belong to the Kingdom
a)
Bacteria
b)
protista
c)
fungi
39.
the ancient continent that contained all the landmass is called
a)
pangaea
b)
laurasia
c)
gondwana
40.
The diameter of the Earths core is slightly larger than the Diameter of
a)
mars
b)
saturn
c)
jupiter
41.
The cell wall of plant cells is made of ______
a)
lipds
b)
cellulose
42.
______ are made up of various tissues that work together to perform a specific job
a)
organs
b)
organelles
43.
The role of the cell's ________ is to release energy that can be used to pwer various cellular processes
a)
Nucleus
b)
mitochodria
44.
Cells that have no membrane-covered organelles are ______
a)
Prokaryotic
b)
eukaryotic
45.
Two or more different populations living in the same area make up a _______
a)
community
b)
population
46.
Ecosystems in water are called _____ ecosystems
a)
dry
b)
aquatic
47.
A very large membrane-covered chamber that stores water and other liquids is called a ________
a)
Vacuole
b)
ribosome
48.
The diffusion of water through the cell membrane is called __________________.
a)
Osmosis
b)
active transport
49.
A cell can remove large particles during _________________
a)
exocytosis
b)
endocytosis
50.
Plants use ___________ to make glucose.
a)
cellular respiration
b)
photosynthesis
51.
The process of cell division in a bacterial cell is called _______________.
a)
mitosis
b)
binary fission
52.
The physical expression of an organism's genes is its _______________
a)
phenotype
b)
genotype
53.
__________________ is the process by which populations accumulate inherited changes over time.
a)
Natural selection
b)
Evolution
54.
A distinguishing characteristic, such as blue eyes or brown hair is called a ________________________
a)
mutation
b)
trait
55.
The solidified remains or imprints of once-living organisms are called ______________________
a)
imprints
b)
fossils
56.
A historical sequence of life provided by fossils is known as the fossil ______________________
a)
disc
b)
record
57.
The Age of Mammals refers to the __________________
a)
Mesozoic Era
b)
Cenozoic Era
58.
Palentologists use __________________________ to estimate the age of a fossil based on the layer in which it is found.
a)
absolute dating
b)
relative dating
59.
Linnaeus founded the science of __________________
a)
DNA analysis
b)
taxonomy
60.
All of the organims classified into a single kingdom are then divided into one of several ____________________
a)
phyla
b)
classes
61.
The narrowest level of classification is the ________________
a)
genus
b)
species
62.
Members of the kingdom ____________________ include such organisms as the mold that grows on bread.
a)
Plantae
b)
Fungi
63.
______________ have existed on Earth at least 3 billion years.
a)
Eubacteria
b)
Archaebacteria
64.
Orders of organisms are further broken down into ________________.
a)
classes
b)
families
65.
Orders of organisms are further broken down into ________________.
a)
classes
b)
families
100 %
