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JPBIO (Jurnal Pendidikan Biologi)
Published by STKIP Persada Khatulistiwa Sintang
ISSN : -     EISSN : 2540802X     DOI : -
Core Subject : Education,
Education
JPBIO (Jurnal Pendidikan Biologi) adalah jurnal yang menerima kontribusi tulisan/artikel yang berkaitan dengan studi-studi kependidikan, pengajaran dan evaluasi belajar di bidang pendidikan biologi, baik laporan penelitian, maupun tinjauan buku yang belum pernah diterbitkan di media cetak ataupun elektronik
Arjuna Subject : -
Articles 211 Documents
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Diversity of macroalgae diversity in the tidal waters Nurfauzi Ahmad; Diana Hernawati; Diki Muhamad Chaidir
JPBIO (Jurnal Pendidikan Biologi) Vol 6, No 1 (2021): April 2021
Publisher : STKIP Persada Khatulistiwa Sintang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31932/jpbio.v6i1.732

Abstract

The Tidal waters of Sancang beach are habitats for various marine biota, such as macroalgae. This research aims to find out the diversity of macroalgae species in the tidal waters of Sancang Beach, conducted in February-April 2020. This research uses qualitative methods, sampling techniques using purposive sampling with the help of transect belts. The stations used in the search consist of Station 1 in the Ciporeang area, Station 2 in the Cicukangjambe area, and Station 3 in the Cibako area. Each station has one 100-meter transect belt with a plot size of 1 x 1 meter. Ecological index calculations include diversity index, uniformity index, and dominance index. The results showed that 39 types of macroalgae were found consisting of 10 orders, 18 families, 26 genera with a total macroalgae count of 13324 individuals. The average value of the ecological index obtained includes the diversity index (H') 2.15 with the medium category, the uniformity index (E) 0.26 with the low category, and the dominance index (C) 0.19 with the low category.Keywords: Diversity, macroalgae, sancang beach, tidal waters
Antibacterial activity lemongrass leaves of Staphylococcus aureus inhibition one Yunita Yunita; Fitria Lestari; Yuli Febrianti
JPBIO (Jurnal Pendidikan Biologi) Vol 5, No 2 (2020): November 2020
Publisher : STKIP Persada Khatulistiwa Sintang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31932/jpbio.v5i2.782

Abstract

Staphylococcus aureus is a nosocomial problem that can cause skin infections. Treatment of skin infections can be done by using citronella (Cymbopogon nardus) which is antibacterial because it contains compounds such as flavonoids, steroids, terpenoids, saponins, and essential oils. This study aims to determine the antibacterial power of Cymbopogon nardus leaf starch essence against Staphylococcus aureus inhibition zone. This type of research is a laboratory experiment using a post-test only control group design. The results showed that the extract of Cymbopogon nardus leaves with a concentration of 5%, 10%, 15%, and 20% with positive control of ampicillin had different inhibitory zona against Staphylococcus aureus bacteria. The conclusion is that the concentration of Cymbopogon nardus leaf starch is the most effective and forms an inhibition zone with the largest average (16.28), namely a concentration of 20%.Keywords: Antibacterial, lemongrass, Staphylococcus aureus 
The measurement of indole acetic acid from rhizosphere bacteria Sukmawati Sukmawati; Nurul Kusuma Dewi; Melda Yunita
JPBIO (Jurnal Pendidikan Biologi) Vol 6, No 1 (2021): April 2021
Publisher : STKIP Persada Khatulistiwa Sintang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31932/jpbio.v6i1.872

Abstract

In Indonesia, synthetic chemical fertilizers are generally used to spur plant growth. The use of synthetic chemical fertilizers is known to reduce soil quality, causing resistance to pests and plant diseases. One of the natural potencies that can be used as growth promoters is Indole Acetic Acid (IAA) producing bacteria. The objective of this study was to measure the levels of Indole Acetic Acid (IAA) from the rhizosphere bacterial isolate of green beans which is thought to be able to produce Indole Acetic Acid (IAA). The method used was a descriptive approach, including the isolation of green bean rhizosphere bacteria, measurement of Indole Acetic Acid (IAA) levels in bacterial isolate, and data analysis. Green bean rhizosphere bacterial isolate produced Indole Acetic Acid (IAA) with an indication of a color change after the addition of the Salkowski reagent, and quantitatively the results of calculations in the standard curve equation for Indole Acetic Acid (IAA) obtained a value of Indole Acetic Acid (IAA) levels was 50.91 ppm.Keywords: Indole acetic acid, rhizosphere, bacteria
The cooperative script base concrete media on biology higher order thinking and interpersonal communication skills Nukhbatul Bidayati Haka; Intan Agustin; Bambang Sri Anggoro
JPBIO (Jurnal Pendidikan Biologi) Vol 5, No 2 (2020): November 2020
Publisher : STKIP Persada Khatulistiwa Sintang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31932/jpbio.v5i2.616

Abstract

The success of student achievement in the formation of HOTS and interpersonal communication skills is by applying an appropriate learning model, one of which is the cooperative script learning model. This research aims to determine how the influence of the cooperative script model aided by concrete media in studying plant tissue material on HOTS and interpersonal communication skills. Quasi-experimental design research methods. The population was all students of class XI SMA Negeri 15 Bandar Lampung, amounting to 162 students, the research sample contained two classes, namely the experimental class and the control class totaling 31 students each. The data analysis of the pretest and posttest using the MANOVA test analysis. The results showed that the application of the cooperative script model helped by concrete media affected HOTS and biology students interpersonal communication. Can be seen from the value significant was 0.000<0.05 then H0 is rejected and H1 is accepted. The results of Manova Test on HOTS and interpersonal communication shows the value significant was 0.000<0.05 so that H0 is rejected, it means learning activities using cooperative script learning models assisted by concrete media affect HOTS and biology students interpersonal communication skills.Keywords: Cooperative script, higher order thinking skills, interpersonal communication, concrete media
Problem based learning model using vee diagrams on students' scientific literacy of environmental pollution material Berti Yolida; Rini Rita T. Marpaung; Revi Handini
JPBIO (Jurnal Pendidikan Biologi) Vol 6, No 1 (2021): April 2021
Publisher : STKIP Persada Khatulistiwa Sintang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31932/jpbio.v6i1.834

Abstract

One of the factors of the low scientific literacy of students is influenced by the learning model used during the learning process. This study aims to determine the effect of the problem based learning (PBL) model using vee diagrams on environmental pollution material on students' scientific literacy skills. The sample consisted of 68 students, consisting of class VII 1 and VII 3 who were selected by purposive sampling technique. The research data were obtained from test questions and response questionnaires, the data were analyzed using the independent sample t-test. The results showed the average N-gain of science literacy abilities of students in the experimental class (0.48 ± 0.16) with "moderate" criteria and the control class (0.23 ± 0.13) with "low" criteria. This shows that learning using the PBL model using vee diagrams has a better effect on increasing students' scientific literacy skills. The results of the questionnaire response analysis had an average percentage was 88.8%.Keywords: Science literacy, problem based learning, vee diagram
Practicing creative thinking skills: Inquiry base activity sheets development in protists learning material Rossanita Truelovin Hadi Putri; Raharjo Raharjo; Fida Racmadiarti
JPBIO (Jurnal Pendidikan Biologi) Vol 6, No 1 (2021): April 2021
Publisher : STKIP Persada Khatulistiwa Sintang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31932/jpbio.v6i1.847

Abstract

Protist learning materials have been developed by many researchers, but no one has developed learning tools by training students' creative thinking skills. This study aims to produce LKPD based inquiry on protist material and to train creative thinking skills, by describing the validity and effectiveness of LKPD on protist material. The LKPD developed refers to the 4D model which consists of the stages of define, design, develop, and disseminate. The research design used was the One-Group Pretest-Posttest Design. LKPD was tried out on 12 students of class XI MIPA SMA. After using LKPD, the validity and effectiveness data were analyzed descriptively quantitatively. The validity of the LKPD is measured based on the assessment of the education expert lecturers and materials. The effectiveness of protist LKPD is measured based on the learning outcomes of students and students' responses. The results showed the validity of the LKPD was 99.4% with the very valid category. The effectiveness based on the learning outcomes of students was 92% with the category very effective and the response of students was 99%. Based on the results of this assessment, it can be concluded that LKPD based on the inquiry on protist material to train creative thinking skills is declared valid and effective.Keywords: Activity sheets, inquiry learning, creative thinking, protists
Multimedia development based on science technology engineering and mathematics in microbiology learning Trio Ageng Prayitno; Nuril Hidayati
JPBIO (Jurnal Pendidikan Biologi) Vol 5, No 2 (2020): November 2020
Publisher : STKIP Persada Khatulistiwa Sintang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31932/jpbio.v5i2.879

Abstract

Microbiology learning has not used multimedia based on science technology engineering and mathematics (M-STEM) which can help students understand the concept of microbiology and empower 21st-century skills. The purpose of this research was to develop M-STEM in microbiology learning. The research method uses research and development (R&D) with the Borg and Gall development model which consists of seven stages. The research sample was 20 students who had participated in microbiology learning and four microbiology lecturers at the department of biology education, IKIP Budi Utomo. The research instrument used a questionnaire, interview transcripts, expert validation sheets, practitioner validation sheets, and readability test sheets. The research data is the percentage of the validation score from experts, practitioners, and readability tests. The research data analysis was carried out by descriptive qualitative. The results showed that M-STEM was declared strongly valid in the aspect of media (88.36%), material (97%), usefulness in microbiology learning (99.49%), and readability (88.82%). M-STEM contains interesting features, is easy to access and operate, and the information in it is easy to understand. This research concludes that M-STEM can be recommended for use in microbiology learning. Keywords: Biology learning, microbiology, multimedia, STEM
Bioecological aspect of lamasi (Barbonymus gonionotus) in mailil rever labuhanbatu district, indonesia Nur Asia Nasution; Rusdi Machrizal
JPBIO (Jurnal Pendidikan Biologi) Vol 6, No 1 (2021): April 2021
Publisher : STKIP Persada Khatulistiwa Sintang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31932/jpbio.v6i1.1070

Abstract

The existence of gold mining activities in mailil river can disrupt the stability of the ecosystem, fishing by using toxins, which may result in a decrease in fish populations in the river mailil. This study aims to obtain information related to biological and ecological aspects (Barbonymus gonionotus) in river Mailil, Village. This study was conducted from November 2020 to January 2021. The locations for sampling were determined based on information from the local community in Bandar Kumbul Village. Samples were caught using nets, traps, and nets Sampling was conducted from 09:00 am to 03:00 pm. The biological aspect being measured was the length-weight relationship of the fish using the linear allometric model (LAM). Meanwhile, the ecological aspect being measured was the condition factor using Fulton’s K equation and relative weight (Wr) equation. In this study, 54 silver barbs (B. gonionotus) were successfully caught as samples. The results of the length-weight relationship analysis indicated a negative allometric relationship with the value of b = 0.52 (b < 3). Furthermore, the value of Fulton’s K condition factor was 27.75, while the value of relative weight (Wr) condition factor was 100.07. These results indicated that river Mailil as an ecosystem and habitat of silver barbs is in the balance condition.Keywords: Length-weight relationship, Barbonymus gonionotus, aek mailil
Biology teaching material needs analysis based on cooperative learning approaches in the human physiology system Dwi Candra Setiawan; Mila Karmila; Anastasia Pitung; Gloria A. N. Daga Dede
JPBIO (Jurnal Pendidikan Biologi) Vol 5, No 2 (2020): November 2020
Publisher : STKIP Persada Khatulistiwa Sintang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31932/jpbio.v5i2.628

Abstract

This research was conduct because of the low development of teaching material made by educators. The development of a teaching material that is by the character and background of students is necessary to be able to facilitate students in the learning process. This study aims to obtain preliminary data to develop a teaching material based on a cooperative approach to the material system of human physiology. This research is a qualitative descriptive study. The population used is high school students in Malang with 75 research samples taken from three schools. Random sample selection by giving an open questionnaire. Data collection techniques were carried out by observation, questionnaire distribution, and interviews. The data obtained were analyzed through descriptive analysis. From the results obtained from the needs analysis test, 98% of students expect the development of a teaching material that can help students understand the topic of the human physiology system by developing teaching materials based on a cooperative approach.Keywords: Teaching materials, cooperative learning, human physiology system
The utilization of sugarcane bagasse, cassava peels and corn husks in handmade paper production Aminah Asngad; Santhyami Santhyami; Ardiyana Rahma Pertiwi; Carissa Rahmitasari
JPBIO (Jurnal Pendidikan Biologi) Vol 6, No 1 (2021): April 2021
Publisher : STKIP Persada Khatulistiwa Sintang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31932/jpbio.v6i1.800

Abstract

High demands for trees as the raw material of paper can disrupt the stability of the environment. It is necessary to find alternatives from other materials which are more environmentally friendly. This study aims to determine the quality of paper made from combining sugarcane bagasse with cassava peels or with corn husks using PVAc or tapioca starch adhesives. A completely randomized 2 x 2 factorial design with five times replication was used. The parameters tested were the tensile and tear resistance of the paper using a micrometer and a universal testing machine. A sensory analysis from panelists was also conducted. The combination of J1P1 produced a paper with the highest tensile strength (11.30 MPa) and the highest tear strength (1.82 MPa). The combination of J2P2 produced a paper with the lowest tensile strength (10.35 MPa) and the lowest tear strength (1.62 MPa). Variance analysis showed that the type of adhesive used showed a significant result on both tensile and tear resistance but material choices and interaction between materials and adhesive choices was not significantly different from the result on both tensile and tear resistance. Sensory testing shows that the combination of J1P1 was preferred the most. It can be concluded that the combination of J1P1 appeared to be the best combination.Keywords: Handmade paper, sugarcane bagasse, cassava peels, corn husk, PVAc tapioca starch, adhesive

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