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Biocaster : Jurnal Kajian Biologi
Published by Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu
ISSN : 28083598     EISSN : 2808277X     DOI : https://doi.org/10.36312/biocaster
Core Subject : Science, Education, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology
Biocaster : Jurnal Kajian Biologi (B : JKB), focus to bridge the gap between research and practice, providing information, ideas and opinion, in addition to critical examinations of advances in biology research, teaching, and learning. Through the coverage of policy and curriculum developments, the latest results of research into the teaching, learning and assessment of biology are brought to the fore. Biocaster : Jurnal Kajian Biologi (B : JKB), receiving and publishing article in the form of research and review (scientific article) in the field of biology education and utilization of biological research in teaching and learning. Each article must be linked to the theme "21st century skills in biology education" and / or "Efforts to support the achievements of the goals set forth in the Sustainable Development Goals (SDGs) through biology education". All articles are published in English and under go a peer-review process. The scope of Biocaster : Jurnal Kajian Biologi (B : JKB), is focused on biology education research/review both in topics covered as well as disciplinary perspective : 1) Biology teaching and learning materials at all education levels; 2) Pure Research of Biology developed or studied to the sources, materials, or instructional media Biology (using the Research and Development paradigm/R&D); 3) Curriculum of Biology Education at all education levels; 4) Quasi-experiment, Class Action Research (CAR), and Lesson Study in Biology teaching and learning; 5) Other Qualitative Research of Biology Education; 6) Biology Learning Evaluation/Assessment; 7) Teacher Professional Issues/Trends in Biology Education; and 8) Environmental education.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 223 Documents
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Pengaruh Model Pembelajaran Game Based Learning Berbantuan Media Lumio terhadap Motivasi dan Hasil Belajar Siswa Kelas VII SMP Negeri 9 Samarinda Sapan, Angellya Kristin; Turista, Dora Dayu Rahma; Maasawet, Elsje Theodora; Purwati, Sri; Makkadafi, Suparno Putera; Rambitan, Vandalita Maria Magdalena
Biocaster : Jurnal Kajian Biologi Vol. 5 No. 4 (2025): October
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v5i4.676

Abstract

The Game Based Learning learning model is a learning approach that uses game elements in the learning process that involves students so that students interact more and play an active role during the learning process in the classroom. The use of the Game Based Learning Model is complemented by the use of Lumio as a learning medium. Lumio is a digital-based learning platform that combines slide presentations with activities such as quizzes and games, creating an active, fun and effective learning process in the modern technological age. The success of the learning process in the classroom is largely determined by appropriate teaching strategies and approaches. The purpose of this study is to determine the influence of the Game Based Learning model assisted by Lumio media on student motivation and learning outcomes in Science Class VII subjects of SMP Negeri 9 Samarinda. The method used in this study is a Quasi experiment which was designed using the Nonequivalent Control Group Design. The data analysis technique used was an independent sample test on the Mann Whitney non-paramteric test with the use of the Lumio-assisted Game Based Learning learning model on Motivation and The results showed that there was a significant difference between the experimental and control classes, with a sig value. 2-tailed 0.000 < 0.05, so from the Mann Whitney test it is known that there is an influence on the application of the Game Based Learning learning model assisted by Lumio media on student motivation and learning outcomes in science subjects grade VII SMP Negeri 9 Samarinda.
Analisis Patogenisitas Fusarium solani dan Pengaruhnya terhadap Pertumbuhan dan Hasil Tanaman Bawang Merah Jayadi, Irfan; Sanuriza, Irna Il; Risfianty, Dwi Kartika; Ihwan, Khaerul; Husain, Pahmi; Dewi, Irma Risvana
Biocaster : Jurnal Kajian Biologi Vol. 5 No. 3 (2025): July
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v5i3.679

Abstract

Fusarium wilt disease caused by Fusarium sp. is one of the main obstacles in the cultivation of shallots (Allium cepa L.), because it can significantly reduce the quality and quantity of crops. This study aims to test the level of pathogenicity of Fusarium solani and analyze the effect of disease attacks on the growth and yield of shallot plants. The study used a two-factor Complete Random Design (RAL) with 6 treatment combinations and 3 replicas on three varieties of shallots inoculated with Fusarium solani. Growth parameters and disease intensity were analyzed using ANOVA and DMRT test at 5%. The results of the study showed that the fungus Fusarium solani f.sp. Cepae has been shown to have high virulence in shallots, indicated by a short incubation period (3-6 days) and an attack rate of up to 100% in all varieties tested. This pathogenic infection decreases vegetative growth (plant height and number of leaves) as well as yield (fresh and dry weight). The Keta Monca variety shows relatively better resistance than the Bima Brebes and Super Philip varieties, although there is no variety that is completely resistant to Fusarium solani attacks. Fusarium solani infection not only inhibits vegetative growth, but also significantly decreases yields. These findings confirm that Fusarium solani has high pathogenicity and has the potential to be a serious threat in onion cultivation.
Analisis Literasi Numerasi Mahasiswa Pendidikan Biologi Berdasarkan Asesmen Kompetensi Minimum Ramadhan, Fitra; Purnomo, Miko; Ruron, Antonius Tuan Tana; Tampubolon, Jonris
Biocaster : Jurnal Kajian Biologi Vol. 5 No. 4 (2025): October
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v5i4.680

Abstract

The development of the Industrial Revolution 5.0 requires students, particularly prospective biology teachers, to acquire 21st-century skills, including numeracy literacy, which serves as the foundation for critical thinking, analytical reasoning, and problem-solving. This study aims to analyze the numeracy literacy profile of Biology Education students based on the Minimum Competency Assessment (AKM). The research employed a quantitative descriptive method involving 88 first- and third-semester students of the Biology Education Study Program at the University of Timor, selected using purposive sampling. The research instrument consisted of a numeracy test that referred to the content, context, cognitive processes, and numeracy literacy levels of the AKM. The findings reveal that students’ numeracy literacy is still categorized as Requiring Special Intervention. This condition is influenced by memorization-oriented learning, low learning motivation, and limited integration of numeracy in biology instruction. These results highlight the importance of implementing innovative and contextual learning strategies integrated with numeracy literacy so that prospective biology teachers can not only meet the minimum AKM standards but also develop pedagogical competencies relevant to the challenges of the 21st century.
Uji Aktivitas Antibakteri Ekstrak Etanol Daun Sirih Cina (Peperomia pellucida) terhadap Bakteri Penyebab Jerawat (Propionibacterium acnes) Sihotang, Wahyu Frans; Restuati, Martina; Silitonga, Melva
Biocaster : Jurnal Kajian Biologi Vol. 5 No. 4 (2025): October
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v5i4.684

Abstract

This study aims to determine the mechanism of action, antibacterial activity, and effect of ethanol concentration of Chinese betel leaf extract (Peperomia pellucida) on the growth of Propionibacterium acnes. The method used was disc diffusion with 96% ethanol solvent as well as determination of the number of test bacteria through the cup counting method, with the absorbance value adjusted to the McFarland standard of 0.5. The concentration of the extracts tested was 10%, 20%, 30%, 40%, and 50%. The data was analyzed using the One Way ANOVA test with the help of SPSS. The results showed that the ethanol extract of betel leaves of china had antibacterial activity against Propionibacterium acnes, characterized by the formation of an inhibition zone. At 10% of the activity is moderate, while at the concentration of 20%, 30%, 40%, and 50% of the activity is moderate. Standard conformity tests show that McFarland Kit's standard solution (Himedia) has an absorbance value of approximately 0.08–0.1 at a wavelength of 625 nm. The suspension of the test bacteria that was diluted to the absorbance value resulted in a number of Propionibacterium acnes cells of 1.2 × 10^7 CFU/mL. This shows that the number of test bacterial cells used is not entirely the same as McFarland's standard solution of 0.5. Thus, the ethanol extract of betel leaves has the potential to be an antibacterial agent against Propionibacterium acnes.
Penerapan Model Pembelajaran Diferensiasi (Differentiated Instruction) untuk Meningkatkan Hasil Belajar Kognitif Siswa pada Mata Pelajaran Biologi Nurdewiyanti, Nurdewiyanti; Karmana, I Wayan
Biocaster : Jurnal Kajian Biologi Vol. 5 No. 2 (2025): April
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v5i2.359

Abstract

The application of innovative learning media can improve students' cognitive learning outcomes on a subject matter. One interesting solution that can be applied is the application of a differentiation learning model (differentiated instruction). This study aims to analyze the application of a differentiation learning model (differentiated instruction) in improving the cognitive learning outcomes of class X students at SMA Negeri 8 Mataram in Biology subjects. This study uses Classroom Action Research (CAR) with data collection techniques in the form of cognitive learning outcome tests. In Cycle I, students' cognitive learning outcomes were 63 and the classical completeness value was 49%, thus in terms of classical completeness it was not yet complete. While the cognitive learning outcomes of students after applying the differentiation learning model in Cycle II were 92 or 87%, students managed to achieve the learning completeness criteria. The overall achievement of the class can exceed the completeness standard and further strengthen the positive impact of the learning approach using the differentiation learning model (differentiated instruction). Thus, it can be concluded that the application of the differentiation learning model (differentiated instruction) contributes significantly to improving the cognitive learning outcomes of class X students in Biology subjects at SMA Negeri 8 Mataram.
Analisis Plankton (Fitoplankton & Zooplankton) di Perairan Teluk Batu Kumbu Sekotong Barat Bahri, Saipul; Sarjan, Muhammad
Biocaster : Jurnal Kajian Biologi Vol. 5 No. 2 (2025): April
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v5i2.361

Abstract

Plankton are aquatic organisms that live floating with passive movement and cannot fight against the current. Plankton consists of phytoplankton and zooplankton. Given the very important role of plankton, research is needed. This study aims to analyze the condition of plankton (phytoplankton and zooplankton commodities) in the waters of Batu Kumbu Bay, Batu Kumbu Hamlet, West Sekotong Village, Sekotong District, West Lombok Regency. Water samples were taken using a plankton net and analyzed using a Sedgewick Rafter Cell (SRC) using a microscope. Data analysis in this study was in the form of the number of species, density (ind / L), dominance index, diversity index (H '), category, evenness and category. The results of this study showed the richness of phytoplankton species, it was found that the number of species found around coastal waters was relatively more, namely 37 species with a density of 159 individuals / liter. While around the jetty/pier there are 21 species with a species density of 91.3 while the richness of zooplankton species, it was found that the number of species found in the pier area, namely 2 species with a species density of 1 individual/liter and in the coastal area 3 species with a density of 2 individuals/liter. As for the level of species diversity (H') both phytoplankton and zooplankton in both locations, where the jetty tends to be low, while in coastal waters it is classified as moderate.
Pengaruh Model Pembelajaran Berbasis Proyek (Project-Based Learning) terhadap Hasil Belajar Kognitif Siswa pada Konsep Keanekaragaman Hayati Amalia, Nurul; Haerani, Dini
Biocaster : Jurnal Kajian Biologi Vol. 5 No. 2 (2025): April
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v5i2.369

Abstract

This research is motivated by the condition of the implementation of learning which mostly still uses lecture-based or conventional learning models, where the learning process carried out is more centered on the educator himself, while students only receive the learning materials given, this affects the cognitive learning outcomes of students. Therefore, educators are required to use a variety of learning models in order to optimize the learning process. The purpose of this study was to determine the effect of the Project-Based Learning Model on the cognitive learning outcomes of students at SMAN 10 Samarinda. This research is a quantitative study with the Quasi Experiment method. The number of samples in this study was 48 respondents consisting of 24 respondents for class X1 and 24 respondents from class X2. The sampling technique in this study used the Purposive Sampling technique. This study uses primary data whose data collection is by distributing test sheets. The results of the study show that the significant value obtained is 0.000 which is far below the significance level (0.05) which indicates that H0 can be rejected, because there is strong evidence that the Project-Based Learning Model has a significant effect on students' cognitive learning outcomes.
Pengaruh Air Cucian Beras terhadap Pertumbuhan Jumlah Daun pada Tanaman Bayam (Amaranthus spp.) Bahari, Apriadi
Biocaster : Jurnal Kajian Biologi Vol. 5 No. 2 (2025): April
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v5i2.378

Abstract

Spinach (Amaranthus spp.) is a plant that is commonly grown for its leaves as green vegetables. This plant originates from tropical America, but is now spread throughout the world. This study aims to determine the effect of rice washing water on the growth of the number of spinach leaves (Amaranthus spp.). The design used in this study was a Completely Randomized Design (CRD), consisting of 3 treatments with 9 replications, namely: P1 (750 ml of rice washing water + 750 ml of plain water); P2 75% (1125 ml of rice washing water + 375 ml of plain water); and P3 100% (1500 rice water). The variables observed were the number of spinach leaves (Amaranthus spp.). The results of this study indicate that in the P1 treatment, the number of spinach leaves (Amaranthus spp.) was obtained in succession, namely: 50 strands, 62 strands, 63 strands, 63 strands, 86 strands, 97 strands, 105 strands, and 113 strands. While in the P2 treatment, the number of spinach leaves (Amaranthus spp.) was obtained in succession, namely: 46 strands, 65 strands, 77 strands, 71 strands, 91 strands, 98 strands, 102 strands, and 118 strands. In the P3 treatment, the number of spinach leaves (Amaranthus spp.) from the 1st to the 8th week were consecutively: 48 strands, 62 strands, 66 strands, 71 strands, 90 strands, 104 strands, 119 strands, and 143 strands, with an average observation result on the number of spinach leaves (Amaranthus spp.) of 87 strands.
Penerapan Model Pembelajaran STEM (Science, Technology, Engineering, dan Math) dalam Konteks Biologi untuk Meningkatkan Motivasi Belajar Siswa Kusumayadi, Kusumayadi
Biocaster : Jurnal Kajian Biologi Vol. 5 No. 2 (2025): April
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v5i2.379

Abstract

Biology learning aims to develop students' thinking skills and problem-solving skills, so that students can understand biological concepts, solve problems, apply biological reasoning, and communicate solutions systematically. The purpose of this study was to improve students' learning motivation through the application of the STEM (Science, Technology, Engineering, and Math) learning model. This type of research uses Classroom Action Research (CAR) which is carried out in two cycles. The subjects of this study were 32 students of class XI of SMA Negeri 1 Kerambitan. The research instrument used was a motivation questionnaire. This Classroom Action Research (CAR) uses quantitative data analysis techniques. The results of the study in cycle II showed that students' learning motivation after being given action using STEM (Science, Technology, Engineering, and Math) increased from low to good criteria. So it is concluded that the STEM (Science, Technology, Engineering, and Math) learning model has succeeded in improving the learning motivation of class XI students of SMA Negeri 1 Kerambitan.
Penerapan Model Contextual Teaching and Learning untuk Meningkatkan Pemahaman Konsep Biologi Siswa Amalia, Nurul
Biocaster : Jurnal Kajian Biologi Vol. 2 No. 4 (2022): October
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v2i4.392

Abstract

Biology learning aims to develop critical thinking abilities and problem-solving skills, so that students can understand biological concepts, solve problems, and communicate solutions systematically. The aim of this research is to increase students' understanding of biological concepts through the application of contextual teaching and learning models. This type of research uses classroom action research which is carried out in two cycles. The subjects of this research were students in class XI MIA I SMA Negeri 5 Balikpapan, with a total of 32 students, consisting of 3 female students and 29 male students. The research instrument used was a test sheet. The data analysis technique used is quantitative. The results of the research showed that the test results evaluating students' understanding of biological concepts in cycle I had a classical completeness percentage of 45.14%. In cycle II, the test results evaluated students' understanding of biological concepts with a classical completeness percentage of 99%. There was an increase in the percentage of classical completeness by 53.86%. So it can be concluded that the contextual teaching and learning model has succeeded in increasing the understanding of biological concepts in class XI MIA I SMA Negeri 5 Balikpapan students.

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