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All Journal Bioedukasi: Jurnal Pendidikan Biologi
Ruqoyyah Nasution
Pendidikan Biologi, FKIP, Universitas Mulawarman
Biochemistry, Genetics & Molecular Biology Education

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ANALISIS EKSTRAK ETANOL DAUN GAHARU (Aquilaria malaccensis) TERHADAP PENEBALAN ALVEOLI DAN LEUKOSIT DIFERENSIAL MENCIT (Mus musculus) YANG DI INDUKSI KARBAMAT SECARA IN VIVO Mohammad Indra Pratama; Jailani Jailani; Ruqoyyah Nasution; Eadvin Rodrinda Awang Sari; Teguh Pribadi
Bioedukasi Jurnal Pendidikan Biologi Vol 15 No 2 (2024): BIOEDUKASI, NOVEMBER 2024
Publisher : UNIVERSITAS MUHAMMADIYAH METRO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/bioedukasi.v15i2.10371

Abstract

The research aimed to look at the effect of induction. The effect of administering ethanol extract of gaharu leaves (Aquilaria malaccensis Lamk) on the histopathological picture of the lungs of white mice (Mus musculus) induced by carbamate class insecticides. The method used was truly experimental, carbamate induction via the intramuscular route with a dose of 14.4 Mg/BW and agarwood extract administered via the oral route with doses of 100, 200, and 300 Mg/BW, the duration of each treatment was 15 days. After treatment, preparations were made of the lungs using the paraffin block staining method with hematoxylin-eosin, the thickness of the alveolar septa and the presence of alveolar macrophages were measured. The results of the research showed that there was a thickening of the alveolar septa after induction of carbamate insecticide at a dose of 14.4 mg/BW with an average thickness of 21.62 µm compared to the healthy control group of 12.61, in addition to an increase in the percentage of neutrophils of 48.66 compared to the healthy controls of 23.33 which was caused by inflammation in the mice's bodies. , a decrease in the thickness of alveolar septa was caused by the administration of ethanol extract of agarwood leaves at a dose of 100/200/300 mg/BW with an average thickness of 15.18, 13.73, 15.57 µm compared to the negative control of 21.62 µm. Thus, it can be concluded that there is an influence of agarwood leaf extract on lung histopathology -lungs of mice induced with carbamate class insecticides.
ANALISIS KETERAMPILAN ARGUMENTASI DAN BERPIKIR KRITIS SISWA PADA MATERI EKOSISTEM KELAS VIII SMP Aji Intan Nispu Wulandari; Ruqoyyah Nasution
Bioedukasi Jurnal Pendidikan Biologi Vol 15 No 2 (2024): BIOEDUKASI, NOVEMBER 2024
Publisher : UNIVERSITAS MUHAMMADIYAH METRO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/bioedukasi.v15i2.10399

Abstract

This study aims to analyze how students' argumentation and critical thinking skills are and to find out whether there is a relationship between students' argumentation and critical thinking skills in the class VIII ecosystem material of SMP Negeri 37 Samarinda for the 2023/2024 school year. This type of research is qualitative. The population in this study is all grade VIII students of SMP Negeri 11 Samarinda for the 2023/2024 school year consisting of 4 classes of 277 students and a selected sample of 45 randomly selected students. The data in this study was obtained using question instruments to measure argumentation skills and questionnaires to measure critical thinking skills. Furthermore, the data of this study were analyzed using descriptive statistics and non-parametric statistics. The results showed that students' argumentation skills were still at levels 1-3 with an average percentage of 47.56% which was included in the sufficient category, while students' critical thinking skills had an average of 71.5% which was included in the high category. The significance value of the correlation between argumentation skills and critical thinking is 0.788, which means there is no relationship between the two variables.
ANALISIS MISKONSEPSI BIOLOGI BERBASIS TES DIAGNOSTIK FOUR-TIER MULTIPLE CHOICE BERBANTUAN CRI PADA MATERI PERUBAHAN LINGKUNGAN DI SMA NEGERI 3 SAMARINDA Purwaningsih Purwaningsih; Masitah Masitah; Ruqoyyah Nasution; Jailani Jailani
Bioedukasi Jurnal Pendidikan Biologi Vol 16 No 1 (2025): BIOEDUKASI, MEI 2025
Publisher : UNIVERSITAS MUHAMMADIYAH METRO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/bioedukasi.v16i1.10450

Abstract

This study analyzes biology misconceptions using a Four-Tier Multiple Choice diagnostic test supported by the Certainty of Response Index (CRI) on the topic of environmental change and preservation among Grade X students at SMA Negeri 3 Samarinda. The research employed a descriptive design involving 280 students from eight Grade X classes. The instrument used was a 10-item Four-Tier Multiple Choice test integrated with the CRI to assess both conceptual understanding and students’ confidence in their answers. Data were analyzed using Miles and Huberman’s model, which includes data reduction, data display, and conclusion drawing. The results showed that the average misconception rate among students was 50.64%, categorized as moderate. The highest rate of misconception (66.43%) was found in the indicator related to the causes of environmental change, classified as high. The findings indicate that the use of a Four-Tier Multiple Choice diagnostic test with CRI is an effective tool for identifying misconceptions in biology. Therefore, targeted instructional interventions are necessary to address these misconceptions and improve students' conceptual understanding.
PENGARUH MODEL PEMBELAJARAN READING,QUESTIONING AND ANSWERING TERHADAP KEMAMPUAN METAKOGNITIF SISWA MTS MUHAMMADIYAH 1 SAMARINDA PADA MATERI KEANEKARAGAMAN HAYATI Dessy Fitriani; Vandalita MM. Rambitan; Ruqoyyah Nasution; Herliani Herliani; Elsje Theodora Maasawet; Dora Dayu Rahma Turista; Zenia Lufti Kurniawati
Bioedukasi Jurnal Pendidikan Biologi Vol 16 No 1 (2025): BIOEDUKASI, MEI 2025
Publisher : UNIVERSITAS MUHAMMADIYAH METRO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/bioedukasi.v16i1.11275

Abstract

Students in grade VII at MTs Muhammadiyah 1 Samarinda have uneven metacognitive skills. This can be seen based on the inability of students to assess themselves in the teaching and learning process. The following study aims to determine “the effect of the reading, questioning and answering learning model on the metacognitive skills of MTs Muhammadiyah 1 Samarinda students” on biodiversity material. The following study applies a quantitative approach through aquasi-experiment method that applies 2 classes, with a research design of Nonequivalent control group. The sample collection was carried out through purposive sampling method, namely VII A as the experimental class and VII B as the control class. Data collection techniques and instruments are carried out through the application of tests and questionnaires. The data analysis technique uses the Independent Sample t-test test through a significance level of 0.05. The results of the test data analysistcount < ttable (0.132 < 1.683), the results of the 10 question test data analysis tcount < ttable (1.163 < 1.683) and the results of the questionnaire data analysistcount < ttable (1.543 < 1.683). So it can be concluded that there is no “effect of the reading, questioning and answering learning model on the metacognitive abilities of MTs Muhammadiyah 1 Samarinda students on biodiversity material.
PENGARUH PENAMBAHAN TEPUNG DAUN SINGKIL (Premna Corymbosa) DALAM PAKAN IKAN TERHADAP PERTUMBUHAN LELE SANGKURIANG (Clarias Gariepinus Var. Sangkuriang) Muthmainah Qulub Mabrurah; Masitah Masitah; Teguh Pribadi; Ruqoyyah Nasution; Vandalita Rambitan
Bioedukasi Jurnal Pendidikan Biologi Vol 16 No 2 (2025): BIOEDUKASI, NOVEMBER 2025
Publisher : UNIVERSITAS MUHAMMADIYAH METRO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/bioedukasi.v16i2.12352

Abstract

To maximize production, catfish farmers must optimize feed quality as one of the key factors supporting catfish growth and development. This study aimed to analyze the effect of adding singkil leaf flour (Premna corymbosa) to feed on the growth performance of Sangkuriang catfish (Clarias gariepinus var. Sangkuriang). The research was conducted from February to April using a randomized group design with four treatments and six replications. The treatments consisted of 100% pellets (P1), 100% singkil leaf flour (P2), 80% pellets + 20% singkil leaf flour (P3), and 70% pellets + 30% singkil leaf flour (P4). The analysis of singkil leaf flour showed a moisture content of 6.5%, ash content of 9.3%, protein 2.6%, fat 0.7%, and total carbohydrates 80.9%. The best growth performance was observed in the P3 treatment (80% pellets + 20% singkil leaf flour). It can therefore be concluded that singkil leaf flour alone cannot serve as an alternative single feed for catfish; however, it can be effectively used as a supplementary ingredient at a maximum proportion of 20% in combination with pellets.
Co-Authors Aji Intan Nispu Wulandari Dessy Fitriani Dora Dayu Rahma Turista Eadvin Rodrinda Awang Sari Elsje Theodora Maasawet Herliani Herliani Jailani Jailani Masitah Masitah Mohammad Indra Pratama Muthmainah Qulub Mabrurah Purwaningsih Purwaningsih Teguh Pribadi Vandalita MM. Rambitan Vandalita Rambitan Zenia Lufti Kurniawati