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WorksheetsGENBIO PRELIMS RT [2ND SEM]
Total questions: 50
Worksheet time: 30mins
Differences among individual members of the same species are referred to as
adaptation
variation
fitness
natural selection
It is the time older than 540 million years ago when there wasn’t as much detail of the geologic time scale
Epochs
Periods
Precambrian time
Phanerozoic
In order to insert a foreign gene into a plasmid, both must originate from the same type of cell.
T
F
What is a cloning vector?
An agent such as a plasmid, used to transfer DNA from an in vitro solution into a living cell.
The laboratory apparatus used to clone genes
An enzyme that cuts DNA into restriction fragments
The DNA probe is used to locate a particular gene in the genome
What is the name of the process that inserts a recombinant plasmid into a bacterium?
meiosis
gene cloning
binary fission
transformation
Which of the following describes a correct order of structures in the respiratory passageways?
pharynx, trachea, larynx, bronchi, bronchioles
pharynx, larynx, trachea, bronchi, bronchioles
larynx, pharynx, trachea, bronchioles, bronchi
trachea, pharynx, larynx, bronchi, bronchioles
Which enzyme "glues" DNA fragments together?
DNA ligase
DNA polymerase
restriction enzymes
DNA helicase
When you inhale, what happens to your lungs?
beat
inflate
turn purple
deflate
The strongest evidence for change over a long period of time comes from
fossils
embryo studies
DNA
direct observation of living species
The first step in rDNA technology is the identification and isolation of donor gene.
T
F
It allows adapted organisms to survive and pass traits along to offspring.
Adaptive Radiation
Artificial Selection
Natural Selection
Super fecundity
The full name of the proponent of the principle of catastrophism.
Jean-Baptiste Lamarck
Georges Cuvier
Nicholas Steno
Charles Lyell
What do you call the tiny hairs that keep the mucus and the dirt out of the lungs?
ANS ALL CAPS
(a)
A [BLANK] is required to transfer genes from one organism to another.
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(a)
What is the enzymatic function of restriction enzymes?
To join nucleotides during transcription.
To cleave nucleic acids at specific sites.
To add new nucleotides to the growing strand of DNA.
To join nucleotides during replication.
The transplantation of living cells, tissues or organs from one species to another is called
xenotransplantation
transformation
regenerative medicine
autotransplantation
A common vector used in recombinant DNA technology is
natural selection
transformation
plasmid
cloning
According to superposition, the fossils found in the lower layer of rocks are [BLANK] than those found at the higher layer.
ANS ALL CAPS
(a)
The process of introducing recombinant vector to a bacterial/viral host is known as transduction.
T
F
Gene analysis is a form of treatment used to cure conditions that arise from a defective or absent gene.
T
F
An organism that contains DNA from another organism is called
vector
transgenic organisms
plasmid
translation
Breathing is an involuntary action that occurs simultaneously with blood circulation.
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F
It is the exchange of segments between DNA molecules or chromosomes.
ANS ALL CAPS
(a)
The theory of evolution by natural selection was independently developed by:
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(a)
The epiglottis is also called a windpipe which is in front of the esophagus.
T
F
In which part of the respiratory system does gaseous exchange takes place?
larynx
alveoli
pharynx
bronchi
The similarity of bone structure in the forelimbs of a human, bat, horse, and frog is an example of
homology
embryology
DNA and protein sequences
evolution
The unpaired nucleotides produced by the action of restriction enzymes are referred to as
pair end
sticky end
dead end
sticky side
The plasmid with foreign gene inserted is called the recombinant DNA.
T
F
A structure that seems to serve no purpose in an organism is called
vector
organs
vestigial
biogeography
PCR is a method of cloning a gene for future studies.
T
F
Cellular respiration is a gas exchange between the cells and the blood.
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F
What are the typical characteristics of a cloning vector?
A cloning vector generally refers to a small DNA fragment into which a foreign DNA of interest can be inserted.
The vector DNA should be of a small size.
It must be self-replicating inside the host cell.
ALL
The enzyme that produces sticky ends are the Eco R1 enzyme.
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F
The title of the book written by Charles Darwin is
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(a)
It is the study of the distribution of plants and animals in geographic space and through geologic time.
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(a)
The full name of the proponent of the theory of inheritance of acquires traits.
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(a)
is a simple addition, deletion, or manipulation of a single trait in an organism to create the desired change.
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(a)
Restriction enzymes can also be called molecular glues.
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F
It involves change in the genetic composition from generation to generation that resulted to the remarkable diversity of life we have today.
ANS ALL CAPS
(a)
It is the study of the development of an organism from conception to birth.
Biogeography
DNA and Protein Sequences
Homology
Embryology
It is a technique in which intervention of humans allows for only selected organism to breed and produce offspring.
Artificial selection
Natural Selection
Niches
Adaptive Radiation
Restriction enzymes are found in nature inside the
cell
bacteria
body
mind
The nasal cavities are lined with mucus membrane, and the air is [BLANK] as it passes through.
cold and dried
cold and moistened
warmed and moistened
warmed and dried
Transferase is the enzyme known as molecular glue.
T
F
Where is DNA located in a bacterial cell?
ribosomes
nucleus
cytoplasm
plasma
The double stranded, self-replicating, circular DNA molecule present in bacterial cell is the plastid.
T
F
Which of these statements is true about internal respiration?
Production of ATP
Exchange of gases between the bloodstream and tissue cells
Exchange of gases between alveoli and the bloodstream
Breathing between the atmosphere and the alveoli
As you breathe, the [BLANK] contracts and flattens to give your lungs room to fill up with air.
diaphragm
lungs
airways
tongue
Which of the following is an example of a vestigial structure?
the wings of a crow
the wings of a dove
the wings of an ostrich
the wings of a bat
