WorksheetsBiology Practice Test
Total questions: 126
Worksheet time: 1hrs 11mins
Which of the following shows the correct sequence for the scientific method inquiry?
Conclusion, Experimentation, Hypothesis, Observation
Observation, Experimentation, Hypothesis, Conclusion
Observation, Hypothesis, Experimentation, Conclusion
Experimentation, Conclusion, Observation, Hypothesis
How is "Xx" categorized in genetics?
Homozygous dominant
Homozygous recessive
Heterozygous dominant
Heterozygous recessive
It is known as the basic unit of life.
(a)
Where does the process of photosynthesis occur?
Cytosol
Thylakoid
Nucleus
Stomata
In what phase do chromosomes align at the center of the cell in preparation for sorting?
Prophase
Metaphase
Anaphase
Telophase
Which of the following DOES NOT belong to the group?
Carbohydrates
Hydrocarbons
Protein
Nucleic Acids
It is known as the powerhouse of the cell.
ATP
Ribosome
Nucleus
Mitochondria
It contains the genetic material of the cell.
Nucleus
Golgi apparatus
Ribosome
Mitochondria
It is an optical instrument used for viewing very small objects, such as mineral samples or animal or plant cells, typically magnified several hundred times.
(a)
These cells do not have a true nucleus.
Prokaryotic cell
Eukaryotic cell
Plant cell
Nerve cell
Cell Theory: The cell is the basic unit of structure and organization in organisms
True
False
Cell Theory: All cells come from preexisting cells
True
False
cells without nucleus, Instead, their DNA floats around inside the cell
Passive Cells
Active Cells
Prokaryotic Cells
Eukaryotic Cells
Cells with nucleus and can be identified as multicellular
Active Cell
Passive Cell
Prokaryotic
Eukaryotic
It is a porous membrane (with pores) which permit the movement of selective substances in and out of the cell.
Cell Wall
Cytoplasm
Nucleus
Nucleolus
made up of a jelly like substance called cytosol inside the cell membrane which holds the organelles in the cell.
Cell Wall
Cytoplasm
Nucleus
Nucleolus
The center of a cell, a spherical body containing the nucleolus.
Cell Wall
Cytoplasm
Nucleus
Nucleolus
Each human cell contains how many pairs of chromosomes?
20
21
22
23
unique cells in that they originate as unspecialized cells and have the ability to develop into specialized cells that can be used to build specific organs or tissues.
Stem Cells
Bone Cells
Blood Cells
Nerve Cells
A Cell type with three primary types : osteoclasts, osteoblasts, and osteocytes.
Nerve Cells
Blood Cells
Bone Cells
Stem Cells
From transporting oxygen throughout the body to fighting infection, This cell is vital to life and are produced by bone marrow
Stem Cells
Bone Cells
Blood Cells
Nerve Cells
This Cell type enables all bodily movement and produces three types of cells : skeletal, cardiac, and smooth
Fat Cells
Skin Cells
Muscle Cells
Cancer Cells
cells also called adipocytes, are a major cell component of adipose tissue. Adipocytes contain droplets of stored fat (triglycerides) that can be used for energy
Fat Cells
Muscle Cells
Skin Cells
Cancer Cells
cells that destroy the body results from the development of abnormal cell properties that cause cells to divide uncontrollably and spread to other locations
Fat Cells
Muscle Cells
Skin Cells
Cancer Cells
Cells undergo a process that occurs after cell division where the newly formed cells are structurally modified so that they can perform their function efficiently and effectively.
Cell Transport
Cell Specialization
Cell Division
Cell Transfer
A stage in cell division where the cell is engaged in metabolic activity and performing its prepare for mitosis
Interphase
Prophase
Metaphase
Anaphase
Chromatids arrive at opposite poles of cell, and new membranes form around the daughter nuclei
Prophase
Metaphase
Anaphase
Telophase
the exchange of chromosome segments between non sister chromatids in meiosis
Chromatids
Diploid
Cross Over
Haploid
A Set of Chromosome represented by:
2n=46
Chromatid
Diploid
Cross Over
Haploid
cell theory: All living organisms are composed of one or more cells
True
False
Cell Theory: The cell is the basic unit of structure and organization in organisms
True
False
Cell Theory: All cells come from preexisting cells
True
False
Cells with nucleus and can be identified as multicellular
Active Cell
Passive Cell
Prokaryotic
Eukaryotic
cells without nucleus, Instead, their DNA floats around inside the cell
Passive Cells
Active Cells
Prokaryotic Cells
Eukaryotic Cells
It is a porous membrane (with pores) which permit the movement of selective substances in and out of the cell.
Cell Wall
Cytoplasm
Nucleus
Nucleolus
made up of a jelly like substance called cytosol inside the cell membrane which holds the organelles in the cell.
Cell Wall
Cytoplasm
Nucleus
Nucleolus
Each human cell contains how many pairs of chromosomes?
20
21
22
23
A Cell type with three primary types : osteoclasts, osteoblasts, and osteocytes.
Nerve Cells
Blood Cells
Bone Cells
Stem Cells
From transporting oxygen throughout the body to fighting infection, This cell is vital to life and are produced by bone marrow
Stem Cells
Bone Cells
Blood Cells
Nerve Cells
This Cell type enables all bodily movement and produces three types of cells : skeletal, cardiac, and smooth
Fat Cells
Skin Cells
Muscle Cells
Cancer Cells
cells also called adipocytes, are a major cell component of adipose tissue. Adipocytes contain droplets of stored fat (triglycerides) that can be used for energy
Fat Cells
Muscle Cells
Skin Cells
Cancer Cells
Cells undergo a process that occurs after cell division where the newly formed cells are structurally modified so that they can perform their function efficiently and effectively.
Cell Transport
Cell Specialization
Cell Division
Cell Transfer
A stage in cell division where the cell is engaged in metabolic activity and performing its prepare for mitosis
Interphase
Prophase
Metaphase
Anaphase
Chromatids arrive at opposite poles of cell, and new membranes form around the daughter nuclei
Prophase
Metaphase
Anaphase
Telophase
the exchange of chromosome segments between non sister chromatids in meiosis
Chromatids
Diploid
Cross Over
Haploid
A Set of Chromosome represented by:
2n=46
Chromatid
Diploid
Cross Over
Haploid
cell theory: All living organisms are composed of one or more cells
True
False
Cells with nucleus and can be identified as multicellular
Active Cell
Passive Cell
Prokaryotic
Eukaryotic
made up of a jelly like substance called cytosol inside the cell membrane which holds the organelles in the cell.
Cell Wall
Cytoplasm
Nucleus
Nucleolus
The center of a cell, a spherical body containing the nucleolus.
Cell Wall
Cytoplasm
Nucleus
Nucleolus
unique cells in that they originate as unspecialized cells and have the ability to develop into specialized cells that can be used to build specific organs or tissues.
Stem Cells
Bone Cells
Blood Cells
Nerve Cells
Growth hormone gene from Chinook salmon is introduced to Atlantic salmon.
AGRICULTURE
PHARMACEUTICAL
GENE THERAPHY
BIOREMEDIATION
A seemingly normal sixteen-year-old male individual is found to have Huntington’s
disease.
BIOREMEDIATION
GENE THERAPHY
GENETIC TESTING
AGRICULTURE
The gene for clotting factor IX is introduced to various bacterial species and allowed
them to produce the protein.
GENETIC TESTING
BIOREMEDIATION
AGRICULTURE
PHARMACEUTICAL
Beta carotene gene from corn is introduced to the normal rice genome via
Agrobacterium tumefaciens-mediated transformation.
AGRICULTURE
BIOREMEDIATION
GENE THERAPHY
GENE TESTING
Copies of the normal clotting factor VIII gene are introduced into the cells of human
male who have the mutant version of the gene.
PHARMACEUTICAL
AGRICULTURE
BIOREMEDIATION
GENE THERAPHY
The ability of a Bacillus species to metabolize more heavy metals from
contaminated waters is enhanced through genetic engineering.
GENE THERAPHY
GENE TESTING
BIOREMEDIATION
PHARMACEUTICAL
An adult sheep is modified to improve the quantity of proteins available in its milk.
AGRICULTURE
GENE THERAPHY
BIOREMEDIATION
GENE TESTING
A five-month-old child who is affected with dwarfism received human growth
hormone from rDNA technology.
AGRICULTURE
GENE THERAPHY
GENE TESTING
PHARMACEUTICAL
Various fleshy-fruit producing crops are genetically modified to prolong their shelf
life.
AGRICULTURE
BIOREMEDIATION
GENE TESTING
GENE THERAPHY
The prevalence of viral diseases in crops has been significantly lowered through
rDNA technology.
PHARMACEUTICAL
GENE THERAPHY
BIOREMEDIATION
AGRICULTURE
The branch of the science that deals with the study of fossils is known as
Geology
Paleontology
Zoology
Botany
Which of the following refers to the remnants or traces of plants and
animals preserved in strata of the earth that give evidences of their presence in the
geological past?
Fossils
Coprolites
Strata
Sedimentary rocks
Which of the following is not included in the group?
Eras
Periods
Epochs
Kingdom
A table showing the sequence of geological periods in the history of earth is called __________.
Periodic table
Geologic Time Scale
Timetable
Geological Period
Which of the following is the most recent era of time - the one that we are
currently in?
Mesozoic
Cenozoic
Precambrian
Paleozoic
What was probably the first organism on Earth?
Plants
Bacteria
Alligators
Fish
Paleozoic, Mesozoic and Cenozoic are all?
Epochs
Eras
Periods
Eons
How old do Paleontologists believe the Earth is?
2020 years old
4.6 million years old
3.6 billion years old
4.6 billion years old
Generally, only the soft parts of organisms become fossils.
Yes
No
We live in the Paleocene Epoch, of the Quaternary Period, in the Cenozoic era of the Phanerozoic Eon.
Yes
No
A given DNA helix is 20 bp long. How many phosphate molecules are expected to be present in this double-stranded molecule?
20
40
60
80
Which among the following is not a base that is found in DNA?
Uracil
Adenine
Cytosine
Thymine
Adenine
Cytosine
Cytosine
What bond allows the polymerization of nucleotides to form a polynucleotide chain?
phosphodiester bond
hydrogen bond
peptide bond
glycosidic bond
Which of the following proposed mechanisms of replication produces DNA molecules with both strands being newly synthesized?
conservative
semiconservative
dispersive
semidispersive
Which of the following represents the correct arrangement of the steps in DNA replication?
A. unwinding by helicase
B. binding at replication origin
C. elongation by polymerase
D. priming
E. sealing nicks by ligase
B - D - C - A - E
B - A - D - C - E
D - B - A - C - E
D - B - A - E - C
What branch of agriculture is concerned about the application of various breeding methods to improve the traits of livestock?
animal husbandry
livestock proliferation
animal farming
livestock husbandry
Which of the following special breeding techniques is performed when an organism is under the threat of being extinct?
captive breeding
endemism breeding
extinction breeding
conservation breeding
Who among the following worked with Stanley Cohen to develop the first genetically modified organism?
Herbert Boyer
Ernst Berliner
Hamilton Smith
Daniel Nathans
Which of the following is the gene of interest in the Bt corn project?
cry gene
bts gene
cor gene
maize gene
Insulin is the first pharmaceutical product that was produced from recombinant DNA technology. Which of the following is the commercial name of this commercialized recombinant insulin?
Humulin
Recomulin
DNA-sulin
Ecomulin
What shape is RNA classified as?
Double Helix
Single Helix
Ladder
Triple Helix
Where does translation occur?
Nucleus
Ribosome
Lysosomes
Cytoplasm
Where does transcription occur?
Cytoplasm
Cell Membrane
Nucleus
Ribosome
In which ways can genetic engineering can improve crops
Make them pest or drought resistant
Make them more nutritious
Make them produce more food
All answers are correct
Which technology below would probably be the most important to a person who had diabetes and had to take insulin every day?
using recombinant DNA to produce human hormones from bacteria
testing parents for genetic disorders before they have children
engineering fruits and vegetables that resist insects and other pests
developing ways to identify criminals through DNA fingerprinting
When 'wanted' traits of plants and animals are selected by humans and passed on to their offspring, we call this .....
test cross
inbreeding
selective breeding
hybridisation
The correct name for the 'wanted' trait is .......
desired trait
needed trait
necessary trait
favourable trait
What are the 2 functions of restriction enzymes?
to combine the DNA
to recognise a specific DNA sequences
to cleave (cut) the DNA in specific places
to join the DNA
What does genome mean?
All the genes of an organism
All the proteins an organism can produce
All the genetic material of an organism
The DNA and RNA found in the nucleus
An individual with a genetic disorder often has all of his or her cells bearing the mutated gene. How can recombinant DNA technology aid in the treatment of such an individual?
Use a virus with the normal gene to infect and transform target cells.
Use a virus with the normal gene to correct the mutated ones in the target cells.
Use a virus with the normal gene to directly synthesize the needed proteins.
Use a virus with the normal gene to destroy all cells that bear that mutated gene.
These are the functions of stem in a plant except:
Growth
Extension
Conduction
Support
Storage
Herbaceous stem are extensive hard tissues of bark.
TRUE
FALSE
The parenchyma tissue in the center of the stem is called _____.
cortex
pith
epidermis
procambium
These are primary tissues except:
cambium
xylem
pith
cortex
Epidermis of a monocot stem are usually absent.
TRUE
FALSE
Stem modification in which it grows parallel to the ground and has a creeping stem with long internodes.
rhizome
runner
stolon
corms
Luya is a stem classified as ____:
corm
stolon
rhizome
tubers
These are tiny secondary bulb that forms in the angle between a leaf and a stem or in place of flowersin certain plants
bulb
phyllocades
bulblets
bublet
Patatas is classified as ______
corms
phyllocades
tubers
roots
Cladophylls are also known as _____
phyllocads
phyllocades
philocads
phillocides
What are the living and nonliving things in an environment or area?
predator
producer
ecosystem
abiotic factor
An organism that can make its own food
decomposer
producer
consumer
Breaks down and feeds on the remains of other organisms
decomposer
consumer
producer
Small consumers that are hunted and eaten by larger consumers
producer
prey
predator
These organisms cannot make their own food; they must eat something for energy
decomposer
consumer
producer
NON-living things found in an ecosystem
biotic
abiotc
habitat
LIVING things in an ecosystem
biotic
abiotic
ecosystem
Choose the producer.
rock
tree
cow
bird
Choose the decomposer.
grass
elephant
bacteria
bird
Choose the consumer.
mushroom
horse
tree
grass
Choose the abiotic factor.
sunflower
dog
cat
table
