FIRST WRITTEN TEST IN GENERAL BIOLOGY 2 QUARTER
3, SY 2021-2022
Instructions: Read each question carefully and write the correct answer in a
separate sheet of paper, or in the answer sheet provided to you. Do not write
anything on this test questionnaire.
1. In the modern era, the term genetic engineering refers specifically to which of
the following methods?
A. genetic variation
B. artificial selection
C. in vitro fertilization
D. recombinant DNA Technology
2. Classical breeding is to __________; while genetic engineering is to ___________.
A. GMO; Non-GMO
B. Non-GMO; GMO
C. special; ordinary
D. ordinary; special
3. Which of the following best describe Genetic Engineering?
A. Mating of organisms with desirable qualities or traits.
B. Natural cross-breeding of a male and a female organism.
C. Changes in species of organisms that occur over a long period of time.
D. Modification of the characteristics of an organism by manipulating its
genetic material.
4. The headline “Improved Soybeans Produce Healthier Vegetable Oils”
accompanies an article describing how a biotechnology company controls the
types of lipids (fats) present in soybeans. The improved soybeans are most likely
being developed by the process of:
A. Asexual reproduction
B. Genetic engineering
C. Habitat modification
D. Natural selection
For item number 5, refer to Figure 1.
Figure 1.Genetic Engineering
Photo Source: shorturl.at/luxJ8
Test Developer: Jessica C. Abiva
School: Nasipit National Vocational School
Email Address: jessica.abiva001@deped.gov.ph
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5. Analyze the Figure 1 above and determine the result of step 3 in genetic
engineering.
A. DNA from the bacterial cell is cloned
B. A new type of molecular base is formed
C. Different types of minerals are joined together
D. DNA from different organisms is joined together
6. Which of the following statements about plasmid is/are correct?
I - It can replicate by itself.
II - Hybrid plasmid is introduced into bacteria by transformation.
III - Other than bacteria, plasmid can also be found in bacteriophage.
A. I only
B. I and II only
C. II and III only
D. I, II and III
For items number 7-8, refer to Figure 2.
Figure 2. Genetic Procedure
Photo Source: shorturl.at/wOV35
7. Figure 2 above represents a genetic procedure. Which statement best describes
its outcome?
A. Bacterial cells may form a multicellular embryo.
B. Bacterial cells will destroy defective human genetic material.
C. The inserted human DNA may direct the synthesis of human proteins.
D. The inserted human DNA will change harmful bacteria to harmless ones.
8. The given diagram represents a common laboratory technique in molecular
genetics. One common use of this technology is the:
A. Introduction of a toxic substance to kill bacterial cells.
B. Change of single-celled organisms to multicellular organisms.
C. Production of a human embryo to aid women who are unable to have
Children.
D. Production of hormones or enzymes to replace missing human body
Chemicals.
Test Developer: Jessica C. Abiva
School: Nasipit National Vocational School
Email Address: jessica.abiva001@deped.gov.ph
DepEd-Caraga
Sukdanan
Standardized Assessment
9. A ______is required to transfer genes from one organism to another.
A. vector
B. genetic probe
C. transport molecule
D. reverse transcriptase
10. Which statement best describes human insulin that is produced by genetically
engineered bacteria?
A. This insulin will not function normally in humans because it is produced by
bacteria.
B. This insulin is produced as a result of human insulin being inserted into
bacteria cells.
C. This insulin is produced as a result of exposing bacteria cells to radiation,
which produces a mutation.
D. This insulin may have fewer side effects than the insulin previously
extracted
from the pancreas of other animals.
11. When cell transformation is successful, what happens to the recombinant
DNA?
A. It becomes a nucleus.
B. It undergoes mutation
C. It is treated with antibiotics.
D. It becomes part of the transformed cell’s genome.
12. What task of DNA recombination does the technique of electroporation
complete?
A. It creates antisense DNA
B. It separates proteins based on size
C. It inserts the DNA into the host cell
D. It measures the expression level of a gene
13. What is a recombinant DNA technology?
A. It is possible only between closely related species.
B. It uses bacteria to make copies of desired product.
C. It uses bacteria to make copies of the desired product and splices DNAs
together.
D. It uses bacteria to make copies of the desired product, splices DNAs
together, and is possible only between closely related species.
14. In order for DNA molecules to undergo recombination, which of the following is
to be considered?
A. They must undergo lysis.
B. They must be from the same species
C. Their strands must separate as in replication
D. They must be cut and spliced at specific nucleotide sequences
15. Some goats have been genetically modified with a human genes that codes for a
blood anti-clotting factor. The anticlotting factor can then be extracted from the
Test Developer: Jessica C. Abiva
School: Nasipit National Vocational School
Email Address: jessica.abiva001@deped.gov.ph
DepEd-Caraga
Sukdanan
Standardized Assessment
goat milk and used during surgery. To produce these genetically modified goats,
what process scientists most likely to perform?
A. Add modified DNA into the milk of the animals.
B. Insert the human gene into the egg cells of goats.
C. Alter the nutritional requirements of new-born goats.
D. Inject anticlotting factor into the milk-producing glands of goats
16. This era is began 65 billion years ago and also known as the “Ice Age”.
A. Cenozoic
B. Mesozoic
C. Paleozoic
D. Precambrian
17. The geologic time scale is divided into _______________ based on changes in flora
and fauna.
A. relative ages
B. absolute ages
C. unconformities
D. eras and periods
18. Which of the following sequence of 4 time frames are arranged from the oldest
to the youngest.
A. Cenozoic Era, Mesozoic Era, Paleozoic Era, Precambrian Time
B. Mesozoic Era, Precambrian Time, Cenozoic Era, Paleozoic Era
C. Paleozoic Era, Mesozoic Era, Precambrian Time, Cenozoic Era
D. Precambrian Time, Paleozoic Era, Mesozoic Era, Cenozoic Era
For items 19-20, refer to Figure 3.
Figure 3. Fossils
Photo Source: https://www.proprofs.com/quiz-school/story.php?title=fossils -quiz-by-cathy-pons
19. The fossil shown in the photo was formed when a dinosaur stepped in a mud
millions of years ago, and this became hardened over time. What type of fossil it
belongs?
A. dody fossil
B. bone fossil
C. cast fossil
D. mold fossil
Test Developer: Jessica C. Abiva
School: Nasipit National Vocational School
Email Address: jessica.abiva001@deped.gov.ph
DepEd-Caraga
Sukdanan
Standardized Assessment
20. When the scientist who discovered the fossil above came back to his laboratory,
would probably use which of the following terms in recording the findings in his
journal?
A. body fossil
B. bone fossil
C. cast fossil D. mold fossil
21. Archaeologists seem to be interested in the fossil shown above, however, this
fossil failed to:
A. give the shape of the dinosaur's footprint.
B. preserve an actual body part of the dinosaur.
C. give any information about how the animal behaved.
D. provide clue on the kind of habitat the dinosaurs live in.
22 . What is the other term for Natural Selection?
A. isolation
B. gene selection
C. artificial breeding
D. survival of the fittest
23. According to the theory of evolution, which of the following is the cause on the
differences in species?
A. natural selection
B. mutagenic agents
C. disuse of body structures
D. transmission of acquired characteristics
24. Which of the following describes mutation?
A. A result of inbreeding.
B. Any change in the structure of chromosomes.
C. Differential survival and reproduction of organisms.
D. Change in gene pool due to unpredictable situation.
25. When Darwin published his Theory of Evolution, he included all of the following
ideas EXCEPT:
A. The idea of Gregor Mendel about genetics.
B. The idea that species change slowly over time.
C. The idea that some organisms reproduce at a greater rate than others.
D. The idea that some organisms become less suited to their environment.
26. Which of the following best describes the effect of genetic drift on the gene
frequencies of a population?
A. Mutations over time cause gene frequencies to change.
B. Selection against one allele causes gene frequencies to change.
C. Genes enter a population through immigration, thus changing gene
frequencies.
Test Developer: Jessica C. Abiva
School: Nasipit National Vocational School
Email Address: jessica.abiva001@deped.gov.ph
DepEd-Caraga
Sukdanan
Standardized Assessment
D. Chance alone can cause significant changes in gene frequencies of
populations.
small
27. A fossil of a fern and other large-leafed plants were found in an area of Alaska.
What does this suggest about this area in Alaska? A.
A forest is now covered with snow.
B. A farm was once located in the area.
C. The area once had a warmer climate.
D. Prehistoric man ate large-leafed plants.
28. A small group of people living in a remote area have high incidence of "blue
skin", a condition that results from a variation in the structure of hemoglobin.
All of the "blue-skinned" people can be trace their ancestry to one couple, who
were among the original settlers of this area. The unusual high frequency of
"blue skin" in this area is an example of?
A. mutation
B. genetic drift
C. natural selection
D. artificial selection
29. Which of the following best explain why natural selection is more “predictable”
than genetic drift?
I - Genetic drift results from chance events
II - Natural selection alters allele frequencies in a nonrandom way
III - Genetic drift increase or decrease in frequency by chance alone
A. I and II
B. I and III
C. II and III
D. I, II, and III
30. Swine are vulnerable to infection by bird flu virus and human flu virus, which
can both be present in an individual pig at the same time. When this occurs, it
is possible for genes from bird flu virus and human flu virus to be combined,
thereby producing a genetically distinctive virus, which can subsequently cause
widespread disease. Which phenomenon describe the production of new types
of flu virus in the manner described above?
A. gene flow
B. founder effect
C. bottleneck effect
D. natural selection
Test Developer: Jessica C. Abiva
School: Nasipit National Vocational School
Email Address: jessica.abiva001@deped.gov.ph
DepEd-Caraga
Sukdanan
Standardized Assessment
Test Developer: Jessica C. Abiva
School: Nasipit National Vocational School
Email Address: jessica.abiva001@deped.gov.ph
DepEd-Caraga
Sukdanan
Standardized Assessment