NEW
Font size
S
M
L
XL
WorksheetsLife Science Review
Total questions: 50
Worksheet time: 31mins
Name
Class
Date
1.
An organism that produces its own food supply from inorganic compounds is called a(an)
a)
heterotroph
b)
consumer
c)
detritivore
d)
autotroph
2.
Cells work together to make the following.
a)
tissues
b)
organs
c)
organ systems
d)
organism
3.
Tissues work together to make the following.
a)
cells
b)
organs
c)
organ systems
d)
organism
4.
Animal and Plant cells are both this type of cell.
a)
Eukaryote
b)
Prokaryote
5.
Bacteria cells are this type of cell.
a)
Eukaryote
b)
Prokaryote
6.
This type of cell needs a cell wall and chloroplasts
a)
Plant cell
b)
Animal Cell
c)
Bacteria
7.
The powerhouse of the cell is the...It converts energy from food into energy the cell can use
a)
Mitochondrion
b)
Golgi body
c)
Nucleus
d)
Ribosomes
8.
Plants perform photosynthesis through this organelle. It captures energy from the sun and uses it to produce food for the cell.
a)
Chlorophyll
b)
Chloroplasts
c)
Mitochondria
d)
Golgi Apparatus
9.
Who is considered the "father of genetics"?
a)
Gregor Mendel
b)
Reginald Punnett
c)
James Watson
d)
Rosalind Franklin
10.
Where is DNA located?
a)
only in the brain
b)
the nucleus
c)
only in plant cells.
d)
in TrNA
11.
You have 46 of these in your nucleus.
a)
genes
b)
genotypes
c)
chromosomes
d)
phenotypes
12.
Which is the most specific classification level?
a)
Domain
b)
Kingdom
c)
Genus
d)
Species
13.
The 8 levels of classification, largest to smallest.
a)
Species, Genus, Family, Order, Class, Phylum, Kingdom, Domain
b)
Genus, Species, Kingdom, Domain, Phylum, Family, Class, Order
c)
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
14.
Who is at the bottom of an energy pyramid?
a)
producer
b)
organism
c)
consumer
d)
soil
15.
What is a decomposer?
a)
the waste of dead animals and plants
b)
a consumer that gets energy by eating only plants
c)
a dead animal or plant
d)
an organism such as an earthworm that eats the remains of animals
16.
The process in which organisms that possesses the most desirable traits and genes will be successful in surviving and producing the next generation.
a)
Adaptation
b)
Natural Selection
c)
Artificial Selection
d)
Selection
17.
In what order does food travel through your body?
a)
mouth, esophagus, liver, large intestine, small intestine, anus
b)
mouth, esophagus, stomach, small intestine, large intestine, anus
c)
mouth, stomach, pancreas, large intestine, anus
d)
mouth, esophagus, stomach, liver, pancreas, gallbladder, small intestine, anus
18.
What does homeostasis maintain in the body?
a)
A changing internal environment
b)
A constant or stable internal environment
c)
A changing external environment
d)
A constant or stable external environment
19.
Which of the following describes the purpose of the skeletal system?
a)
Make red blood cells, provide structure, and protect organs
b)
Make fat cells
c)
Deliver nutrients to your cells
d)
1st line of defense for your immune system
20.
A consumer is an animal that eats other organisms to survive
a)
True
b)
False
21.
A wolf chases, catches and eats an elk. The wolf is the _____________________
a)
Predator
b)
Prey
22.
As you move up the energy pyramid, what happens to the amount of available energy?
a)
increase
b)
decrease
c)
stays the same
23.
What best describes the cell theory?
a)
All organisms are made of one cell.
b)
All organisms are made of one or more cells.
c)
The cell is the largest unit of all living things.
d)
Most living things have cells.
24.
The stomach is apart of which body system?
a)
Muscular System
b)
Nervous System
c)
Digestive System
d)
Integumentary System
25.
The offspring from asexually reproduced organisms are..
a)
Different to parents
b)
identical to parents
26.
An inherited trait is one that
a)
you are not born with
b)
is passed from parents to their offspring
c)
you learn how to do
d)
is passed on from offspring to their parents
27.
Which is an example of an inherited trait?
a)
pierced ears
b)
dyed hair
c)
green eyes
d)
broken arm
28.
The gene for curled ears (E) is dominant over the gene for straight ears (e). Cross in a Punnet Square a cat with curled ears (Ee) and a cat with straight ears (ee).What percent of the offspring are expected to have curled ears as a result of a cross between the cats described?
a)
100
b)
75
c)
50
d)
25
29.
According to the results shown in the Punnett square, what are the genotypes of the parents?
a)
EE and EE
b)
EE and ee
c)
Ee and Ee
d)
ee and ee
30.
Even when it is cold outside, the human body maintains an internal temperature of 37°C. Which term describes the maintenance of a stable internal condition?
a)
Endocytosis
b)
Homeostasis
c)
Mitosis
d)
Photosynthesis
31.
Compared to the animal cell, which of the following structures are found only in a plant cell?
a)
Nucleus, Cell Wall
b)
Cell Wall, Vacuole
c)
Chloroplast, Cell Wall
d)
Chloroplast, Vacuole
32.
The scientific theory of Spontaneous generation was proposed by Aristotle. It stated that life could come from inanimate matter. This theory was disproved by Louis Pasteur and Francesco Redi’s experiments.
What is the best explanation for why scientific theories are modified?
What is the best explanation for why scientific theories are modified?
a)
Theories more than ten years old are usually out of date.
b)
Scientists want to prove that the work of other scientist is wrong.
c)
New evidence that supports a revision prompts scientist to modify earlier theories.
d)
So much information is available today that it is harder to focus research and disprove theories.
33.
Name that process...
a)
Mitosis
b)
Meiosis
c)
Cell Cycle
d)
DNA replication
34.
Name that process
a)
Mitosis
b)
Meiosis
c)
Mutation
d)
Cell Cycle
35.
Leads to genetic variation
a)
Mitosis
b)
Meiosis
c)
Transcription
d)
Translation
36.
Gamete Cells (egg and sperm)
a)
Mitosis
b)
Meiosis
c)
Osomosis
d)
DIffusion
37.
function of mitosis
a)
genetic diversity though sexual reproduction
b)
cell reproduction and general growth and repair
38.
function of meiosis
a)
genetic diversity though sexual reproduction
b)
cell reproduction and general growth and repair
39.
what is a zygote
a)
fertilized egg
b)
egg
c)
sperm
40.
Is mitosis sexual or asexual reproduction?
a)
asexual
b)
sexual
41.
Does meiosis reproduce asexually or sexually?
a)
sexually
b)
asexually
42.
A ________________________ is used to predict the possible genotype from certain parents
a)
Mendel Grid
b)
Genetic Tic Tac Toe
c)
Punnett Square
d)
Pedigree Plot
43.
One of a number of different forms of a gene.
a)
gene
b)
gamete
c)
fertilization
d)
allele
44.
The physical appearance of the organism is known as the
a)
Phenotype
b)
Chromosome
c)
Nucleictype
d)
Genotype
45.
What is an organism's genetic makeup known as?
a)
Phenotype
b)
Chromosome
c)
DNA
d)
Genotype
46.
When both alleles of a pair are alike, the organism is said to be
a)
Homozygous
b)
Heterozygous
c)
Homologous
d)
Heterologous
47.
Dominant alleles are represented by a:
a)
Male gene
b)
lowercase letter
c)
recessive trait
d)
capital letter
48.
Which of the following alleles is homozygous recessive?
a)
Tt
b)
tt
c)
TT
d)
T
49.
An allele whose trait always shows up in the organism when the allele is present.
a)
recessive allele
b)
dominant allele
c)
hidden allele
d)
present allele
50.
An allele whose trait only shows up when no dominant allele is present.
a)
hidden allele
b)
dominant allele
c)
recessive allele
d)
present allele
Reset
