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Biology (Science II)
Unit I: The Nature of Biology
Time Frame: 1 week and 3 days
Competencies
3. Appreciate the contributions of Filipino and foreign scientists in the development
of biology and biotechnology
3.1 Describe the contributions of Filipino and scientists in the field of biology and
biotechnology
Lesson 4. Filipino Scientists in Biology
I. Subject Matter: Filipino Scientists in Biology
Time Frame: 1 period
References:
Rabago, L. M., Joaquin, C. C., & Lagunzad, C. B., (1997). Science and
technology: Biology. Metro Manila: SD Publication, INC. pp. 14-15.
Department of Education, Culture and Sports. Instructional Materials Corporation.
1990. Science and technology II. Teacher’s Manual.1st ed. Quezon City:
IMDC.
II. Objectives:
1. Name outstanding Filipino scientists in the field of biology
2. Describe the contributions of outstanding Filipino biologists
3. Recognize the scientific attitudes of diligence and patience of Filipino scientists in
the field of biology
III. Materials:
A. For Teaching
Flashcards, pictures of Filipino scientists and other popular personalities
III. Lesson Proper:
A. Recall
Ask the students to share their report on biotechnology.
14 BSE-Department of Education
B. Motivation
Written on flashcards are certain traits that a scientist may or may not possess.
The teacher will ask the students to have their thumbs up if they agree that the
characteristic shown on a flashcard is a trait of a good scientist. The traits are as
follows:
1. curiosity 3. selfishness 5. orderliness
2. open-mindedness 4. patience 6. caution
Show pictures of popular Filipino personalities. Include two Filipino scientists. Let
the students identify each picture then show the picture of the scientists. Ask the
following question to the students:
1. Who is the person in the picture?
2. If he is a foremost Filipino biologist, give possible examples of his/her work.
3. Give examples of familiar Filipino biologists. What is his/her particular interest
in the field of biology?
C. Activity: Group Discussion
Let students form a small group. Ask them to research in the library on Filipino
biologists and their contributions in the field of Biology and Biotechnology.
D. Postlaboratory Discussion
a. Ask one representative from each group to go to the front of the class.
b. Let each of the five students describe a particular Filipino scientist and his
contribution to Biology and Biotechnology.
c. Let the other students who are not members of the same to guess the name
of the Filipino scientist being described.
E. Generalizations
Many Filipino scientists are recognized for their important contributions in the field
of biology. The following is a list of Filipino scientists, their area of specialization
and their contribution in the field of biology (Table I).
BSE-Department of Education 15
Table I. Filipino Scientists in the Field of Biology
Filipino Scientist Area of Specific Contribution
Specialization
Eduardo A. Quisumbing, Ph.D. Botany pioneered in the study of medicinal plants;
Father of Philippine Orchidology
Carmen C. Velasquez, Ph.D. Parasitology identified numerous species and genus of
parasitic organisms, particularly fish parasites
Gregorio T. Velasquez, Ph.D. Phycology produced 45 basic researches and 70 articles
on algae
William G. Padolina Ph.D. Biotechnology pioneered excellent researches in biotechnology
and chemistry of natural products
Emerita V. De Guzman Ph.D. Biotechnology recognized for her research on propagation of
mutant macapuno, and tissue culture
techniques for rapid propagation of abaca and
banana
Angel C. Alcala Ph.D Ecology, known for conservation of coral reefs,
Marine Biology mangroves, aquaculture studies in giant clams,
mollusks and fishes
Ramon C. Barba Ph.D Botany known for mango flower induction technology,
tissue culture of sugar cane, rattan and banana,
and development of seedless kalamansi
Priscillano M. Zamora Ph.D Botany published articles on morphology and taxonomy
of some crop plants, ferns gymnosperms
Pedro B. Escuro Ph.D Botany gained international recognition for developing
Agriculture the dwarf high yielding C rice varieties
Geminiano T. De Ocampo Ph.D Ophthalmology pioneered in modern ophthalmology and led
corneal transplantation in the country
F. Valuing or Application
As a young Filipino, it is good to realize the value of intellectual honesty and
cooperation in any undertaking; also, to show appreciation for the works of
scientists, giving credit where it is due.
16 BSE-Department of Education
G. Assessment
Match the Filipino biologist in Set A with the scientific contribution in Biology in
Set B:
Set A Set B
1. Eduardo A. Quisumbing a. work on algae
2. William Padolina b. research on medical plants
3. Carmen C. Velasquez c. research on propagation of
mutant macapuno
4. Emerita De Guzman d. research on parasitic worms
e. research in biotechnology and
chemistry of natural products
Answers:
1. b 3. d
2. e 4. c
IV. Agreement
Assign students to research on outstanding citizens in your community who have
contributed to science and technology in the country. Ask them to list foreign scientists
and their contributions in the field of biology.
BSE-Department of Education 17
Activity 4. Filipino Scientists and their Contributions to Biology
In this activity, you will study the work of Filipino scientists and see how their findings have
helped improve the quality of human life.
Objectives
1. To present the works of some outstanding Filipino biologists
2. To suggest some desirable traits which a scientist or a science student should cultivate
Procedure
1. Students form small groups with a maximum of four members per group.
2. The members in each group discuss a particular Filipino scientist and their contribution
to Biology.
3. After the discussion, each group will introduce and present the Filipino scientist’s work
to the rest of the class.
18 BSE-Department of Education
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