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INDONESIA
Bioscientist : Jurnal Ilmiah Biologi
ISSN : 23385006     EISSN : 26544571     DOI : https://doi.org/10.33394
Bioscientist : Jurnal Ilmiah Biologi (BJIB), receiving and publishing article in the form of research (scientific article) in the field of biology education and utilization of biological research in learning. Moreover, this journal bridges the gap between research and practice, providing information, ideas and opinion, in addition to critical examinations of biology research and teaching. 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. Special emphasize are as follow: 1. Research on Learning Biology (Biology Learning Materials at All Education Levels). 2. Pure Research of Biology Developed or Studied to the Sources, Materials, or Instructional Media Biology (Biology Learning Materials at All Education Levels and Application in Society). 3. Curriculum of Biology Education at all Education Levels. 4. Class Action Research (CAR) and Lesson Study in Biology. 5. Other Qualitative Research of Biology Education. 6. The School Management and Biology/Science Laboratory Management. 7. Biology Learning Evaluation. 8. Teacher Professional Issues/Trends in Biology Education. 9. Another Study for the Scope of Biology Education. 10. Research on Environmental Education.
Articles 115 Documents
Search results for , issue "Vol. 12 No. 2 (2024): December" : 115 Documents clear
Analisis Kemampuan Mahasiswa Calon Guru Membuat Instrumen Penilaian Sikap Nerita, Siska; Lufri, Lufri; Ellizar, Ellizar; Helendra, Helendra
Bioscientist : Jurnal Ilmiah Biologi Vol. 12 No. 2 (2024): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v12i2.10534

Abstract

Assessment plays an important role in determining the achievement of educational goals, so evaluation has a strategic role in the world of education. To ensure effective and efficient evaluation, it is necessary to use appropriate and reliable assessment instruments. Teachers have a big responsibility in developing the ability to create assessment instruments to measure students' attitudes, knowledge and skills, so that educational goals can be achieved accurately. The aim of this research is to analyze prospective teachers' abilities in designing attitude assessment instruments. This research uses a quantitative descriptive approach using student performance assessment instruments in creating attitude assessment instruments in biology learning. Indicators for measuring students' ability to create attitude instruments are 1) suitability of instrument components, 2) suitability of attitude assessment aspects with competency achievement indicators, 3) suitability of the rubric formulated with aspects of attitude assessment, 4) suitability of the formulation of the assessment rubric with statements, 5) Using language which is good and correct, does not use regional languages. The research results show that the ability of prospective biology teacher students in making attitude assessment instruments is still at medium criteria (67.82%).
Pemanfaatan Senyawa Hepatoprotektif dalam Ekstrak Lumut Hati (Marchantia polymorpha) Sebagai Obat Hepatitis Berdasarkan Penurunan SGOT SGPT Deanoval, Alfito; Suharti, Peni; Salsabillah, Adilla Wahyuni; Prastyo, Muhammad Rendi; Mufidah, Melli; Qoimah, Siti Nur
Bioscientist : Jurnal Ilmiah Biologi Vol. 12 No. 2 (2024): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v12i2.10587

Abstract

Bryophyta plants contain secondary metabolite compounds that can have potential as drugs, such as liverwort (Marchantia polymoprha) which contains secondary metabolite compounds that have hepatoprotective properties against liver damage that have the potential as hepatitis drugs. The purpose of this study was to describe the effect of liverwort extract administration in treating hepatitis. This study used an experimental approach, with a postest only control group design, 16 male white rats (Rattus norvegicus) were grouped into 4 treatments with dose variations of 200 mg / kgBB, 300 mg / kgBB, 400 mg / kgBB, 500 mg / kgBB. Experimental animals were induced with 30% alcohol for 10 days to be exposed to hepatitis, and given treatment for 14 days. Data were analyzed by One Way Anova test, with a significance of 0.05, normally distributed data with a significance of SGOT 0.20 and SGPT 0.81. The results of data analysis showed that the concentration of 500 mg/kgBB extract dose had the strongest effect in reducing SGOT and SGPT enzymes.
Perbandingan Kualitas Butir Soal Mata Pelajaran Biologi Berdasarkan Wilayah di Kabupaten Bone Sulawesi Selatan Oktobianti, Andi Anisa; Adnan, Adnan; Palennari, Muhiddin
Bioscientist : Jurnal Ilmiah Biologi Vol. 12 No. 2 (2024): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v12i2.11353

Abstract

Item quality analysis is one of the important ways to determine the quality of a test. This study aims to determine the comparison of the quality of biology items based on the region in Bone Regency which includes aspects of material, construction, and language. The method used in this research is a survey method with a qualitative descriptive approach. The sampling technique used was cluster sampling, so that 5 schools in Bone district were obtained which represented each region in Bone district and then used purposive sampling technique to select only schools that used multiple choice questions in the end-of-semester test. The results showed that the quality of the items from the material aspect showed that very good items were mostly found in the SMA 5 Bone test questions with a percentage of (86.85%), very good construction aspect items were mostly found in the SMA 5 Bone test questions with a percentage of (98.84%), and very good language aspect items were mostly found in the SMA 14 Bone test questions with a percentage of (96.4%).
Analisis Kompetensi Kepribadian dan Sosial Mahasiswa Pendidikan Biologi di Lampung sebagai Calon Guru Biologi Saniah, Nikmatus; Hayati, Dwi Kurnia
Bioscientist : Jurnal Ilmiah Biologi Vol. 12 No. 2 (2024): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v12i2.11397

Abstract

Personality and social competencies play a crucial role in building relationships between educators and students. This study aims to describe the personality and social competencies of prospective biology teachers in Lampung Province. The research is descriptive, using a questionnaire as the instrument, which includes indicators of personality and social competencies. Data sources were obtained from respondents, who were 7th-semester biology education students at four higher education institutions in Lampung Province that offer Biology Education programs, namely the Metro Lampung State Islamic Institute, Metro Lampung Muhammadiyah University, Raden Intan Lampung State Islamic University and Lampung University. The results show that the personality competence of biology education students in Lampung as prospective biology teachers is 91% confident and stable, 87% mature, 89% wise, 86% authoritative, and 88% of noble character and able to be role models. The social competence of biology education students in Lampung as prospective biology teachers is 87% skilled in communication, 88% inclusive and objective, 89% sympathetic and empathetic, polite in communication, 87% adaptable to the environment, and 88% able to work well with others. Therefore, it can be concluded that the personal and social competencies of prospective biology teachers in Lampung have reached a good category.
Rekayasa Perubahan Warna Melalui Penambahan Tepung Spirulina platensis Pada Pakan Terhadap Intensitas Warna dan Pertumbuhan Ikan Cupang (Betta Splendens) Sahidi, Bela Findisia; Kusuma, Pungky Slamet Wisnu
Bioscientist : Jurnal Ilmiah Biologi Vol. 12 No. 2 (2024): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v12i2.11401

Abstract

Betta fish is a freshwater ornamental fish with a unique body shape and the brightness of its color is one of the attractions among its fans. The increase in color intensity and growth in betta fish is greatly influenced by the nutrient content in the feed and genetics. Adding Spirulina platensis flour to feed is expected to increase feed nutrients such as beta carotene, which is known to increase the intensity of color and growth of betta fish. This study aims to prove whether adding Spirulina platensis flour to feed can increase the intensity of color and growth of betta fish. The experimental research used a Complete Random Design (RAL) with 4 treatments and 3 replicates, namely P0 (0%), P1 (3%), P2 (5%), P3 (7%) for 3 months. The parameters measured were color intensity and growth. Test F to determine the effect of treatment on parameters, if there is a real influence, the Duncan test is carried out The test fish in the study is a one-month-old, blue, and male betta fish seed. The results showed that the addition of Spirulina platensis flour to P1 treatment feed (3%) experienced the highest increase in color intensity (P<0.05) followed by P2 treatment (5%), then P3 treatment (7%) and finally P0 treatment (0%). The P1 treatment (3%) was shown to be optimal in increasing the intensity of the color of betta fish but was not followed by an increase in growth.
Karakterisasi dan Skrining Fitokimia dari Daun Violces (Viola odorata) Surahmaida, Surahmaida; Mangkoedihardjo, Sarwoko
Bioscientist : Jurnal Ilmiah Biologi Vol. 12 No. 2 (2024): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v12i2.11449

Abstract

Violces (Viola odorata) have been proven to have many pharmacological benefits as traditional medicine. Its leaves are traditionally used to treat headaches, coughs, colds, bronchitis, and asthma. This study aims to obtain scientific data on the pharmacognostic profile of fresh leaf and fine powder simplisia of violces, as well as to identify the secondary metabolite compounds of the methanol extract of violces leaves. The research method used is a pharmacognostic study (macroscopic, microscopic, and powder microscopy) and phytochemical screening using GCMS and analyzed descriptively qualitatively. Pharmacognostic observations on fresh leaf simplisia showed the presence of fibers, multicellular trichomes, spiral and ladder-type vascular bundles, stomata, covering hairs, and cork tissue. Fragments in the fine powder of violces leaves identified included fibers, multicellular trichomes, spiral and ladder-type vascular bundles, stomata, covering hairs, and stone cells. The results of GCMS analysis of the methanol extract of Violces leaves showed the presence of 27 identified chemical compounds It can be concluded that the pharmacognostic fragments and chemical compounds in this study will help in the identification and standardization of leaves from the Viola odorata species.
Formulasi Masker Peel Off Gel dari Kombinasi Minyak Atsiri Sereh dan Cengkeh untuk Menghambat Bakteri Penyebab Jerawat Manus, Noriko; Taurhesia, Shelly; Setyahadi, Siswa; Manus, Widya Christine
Bioscientist : Jurnal Ilmiah Biologi Vol. 12 No. 2 (2024): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v12i2.11497

Abstract

Acne is a chronic skin disease involving inflammation of the pilosebaceous units with the main bacteria Staphylococcus epidermidis and Propionibacterium acnes has prompted the creation of cosmetic masks containing antibacterial agents. This study aims to evaluate the antibacterial activity of Lemongrass and Clove essential oils and to determine the synergistic effects of combining these essential oils in a peel-off gel mask formulation. The study was conducted using the liquid dilution method to determine the minimum inhibitory concentration and the disk diffusion method to test the inhibition zone diameter. Additionally, tests are conducted to determine the antibacterial activity against Propionibacterium acnes and Staphylococcus epidermidis, as well as to analyse the stability of the product both chemically and physically during storage. The results of the study showed that (1) the formulation containing a combination of 25% lemongrass and 18% cloves showed high inhibitory power and good stability, but caused moderate irritation; (2) lemongrass and clove essential oils were effective against Propionibacterium acnes and Staphylococcus epidermidis, but it was recommended to reduce the active ingredients to prevent potential irritation.
Keanekaragaman Makrozoobenthos di Sungai Way Umpu Kabupaten Way Kanan Provinsi Lampung Arsitalia, Metari; Tugiyono, Tugiyono; Master, Jani; Susanto, G. Nugroho
Bioscientist : Jurnal Ilmiah Biologi Vol. 12 No. 2 (2024): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v12i2.11524

Abstract

Way Umpu River, located in Way Kanan Regency, Lampung Province, is widely used by the local community and the waste products are ultimately disposed of into the river. This can cause a decrease in river water quality which can cause changes in the balance of the ecosystem, both biotic and abiotic. One of the organisms that can be used as a bioindicator is macrozoobenthos. This research aims to determine the diversity of macrozoobenthos as a bioindicator of water pollution quality. The method used was a survey method and sampling using Ekmen Grab at 6 sampling stations. Samples were taken 3 times in the left, middle and right bank areas of the river. Apart from that, water analysis was carried out in the form of physical parameters (temperature and TSS) and chemical parameters (pH, DO, COD, BOD). The data was then analyzed using the Diversity Index. The research results found 14 types of macrozoobenthos consisting of 5 phylum, namely Arthopoda, Mollusca, Porifera, Ciliophora, and Annelida. From the results of the analysis of the macrozoobenthos diversity index at station IV, it has a value of 0.56 ind/m2, which states that the location is heavily polluted. Physical and chemical factors show a significant correlation with macrozoobenthos diversity.
Etnobotani Tumbuhan Liar Sebagai Alternatif Pangan oleh Masyarakat Dayak Pesaguan Desa Serengkah Kanan Kabupaten Ketapang Anjeliana, Anjeliana; Syamswisna, Syamswisna; Yeni, Laili Fitri
Bioscientist : Jurnal Ilmiah Biologi Vol. 12 No. 2 (2024): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v12i2.11822

Abstract

Pesaguan Dayak people in Serengkah Kanan village, Ketapang Regency utilize wild plants as an alternative food.. The purpose of this study was to identify the types of wild plants used as food alternatives by the Dayak Pesaguan community in Serengkah Kanan Village, Ketapang Regency, West Kalimantan Province. Research using qualitative descriptive method. Data were collected by interviewing informants, making observations, and documentation. Plants used as food alternatives are identified to know their scientific names. Wild plants used as an alternative food by the Dayak Pesaguan community in Serengkah Kanan Village, Ketapang Regency are 37 species consisting of 23 families, namely Anacardiaceae, Arecaceae, Lamiaceae, Fabaceae, Malvaceae, Moraceae, Sapindaceae, Asteraceae, Achariaceae, Barseraceae, Phyllanthaceae, Apocynaceae, Euphorbiaceae, Olacaceae, Aracecae, Musaceae, Polypodiaceae, Talinaceae, Piperaceae, Araliaceae, Zingiberaceae, dilleniaceae, and menispermaceae. Leaves of the plant Pycnarrhena cauliflower D. and Premna corymbosa R. are used by the Dayak Pesaguan Tribe as an ingredient in food because they give a taste like micin and a distinctive aroma. The plant parts used are leaves, tubers, seeds, and fruits. The way of processing is sliced/cut into small pieces, inserted directly into food, mashed, boiled, sauteed, soaked in water before consumption, and some can be consumed directly.
Meningkatkan Hasil Belajar Peserta Didik melalui Model Problem Based Learning Berbasis Powtoon pada Materi Sistem Pernapasan Filza, Inne Aqmarina; Ningsih, Kurnia; Yuniarti, Anisyah; Titin, Titin; Wahyuni, Eko Sri
Bioscientist : Jurnal Ilmiah Biologi Vol. 12 No. 2 (2024): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v12i2.11902

Abstract

Educators utilise learning models and media to improve students’ understanding of the material. This study aims to enhance students’ learning process and learning outcomes by using the Powtoon-based Problem Based Learning paradigm on respiratory system information. This research is a Classroom Action Research with a two-cycle design. Each learning cycle includes planning, implementation, observation, and reflection stages. The research subjects were students of SMP Negeri 12 Sungai Raya class VIII B in the 2023/2024 school year, with a sample size of 29 people. The instruments of this study were observation sheets and learning outcome tests. The purpose of the test sheet is to measure students’ understanding of the material discussed in class, while the observation sheet sees how well the learning objectives are achieved. The data collection strategies used in this study were tests, observations, and documentation. The results of the learning implementation process were obtained at 92.26% in cycle I and 95.64% in cycle II. Student learning outcomes increased by 86.20% in cycle II from 77.59% in cycle I. Therefore, it can be concluded that learning using the Powtoon-based Problem Based Learning model can improve the learning implementation process and student learning outcomes on respiratory system material.

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