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Jurnal Pembelajaran dan Biologi Nukleus
Published by Universitas Labuhanbatu
ISSN : 24429481     EISSN : 26857332     DOI : https://doi.org/10.36987/jpbn
Core Subject : Science, Education, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media
Jurnal Pendidikan Biologi merupakan jurnal elektronik yang merupakan wadah penerbitan artikel penelitian original yang terkait dengan penelitian pendidikan biologi. Jurnal ini dikelola oleh Program Studi Pendidikan Biologidibawah naungan LPPM Universitas Labuhanbatu. Jurnal ini diterbitkan dua kali dalam setahun pada bulan Maret dan September. Jurnal ini menyajikan hasil penelitian dibidang Pendidikan Biologi dan sains Biologi.
Arjuna Subject : Biokimia, Genetika dan Biologi Molekuler - Biokimia, Genetika dan Biologi Molekuler (Lain-Lain)
Articles 437 Documents
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The Analysis of Science Literacy Aspect in High School Biological Textbooks (First Grade) on The Biodiversity Material at SMAN 1 Kutacane Munthe, Dea Wahdania; Khairuna, Khairuna
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 11, No 1: Jurnal Pembelajaran Dan Biologi Nukleus March 2025
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v11i1.6818

Abstract

Background: Textbook analysis is very important to assess the quality and suitability of the book. A teacher needs to analyze textbooks so that students can quickly understand the material being taught and read. This study aims to analyze the aspects of scientific literacy presented in the tenth-grade Biology textbooks used at SMAN 1 Kutacane, specifically in the topic of Biodiversity, as contained in two instructional materials: first book, Biology for Public High School/Islamic High School Grade 10 (Merdeka Curriculum, Erlangga publisher), and second book, Biology for Public High School/Islamic High School Grade 10 (Grafindo publisher). Methodology: The research used a descriptive qualitative content analysis method, measuring and comparing the percentage scores of four dimensions of science literacy: Scientific thinking; science as an investigative process; science as a product of knowledge; and the interaction between science-technology, and society. Data were collected from both textbooks and analyzed by calculating the percentage scores for each dimension. Findings: The results showed that Textbook I (Erlangga) had a higher percentage score than Textbook II (Grafindo). The highest dimensions in both books were "science as a way of thinking" (Book I: 61.25%; Book II: 52.50%) and "science as an investigative process" (Book I: 62.50%; Book II: 53.12%). The dimension with the lowest score was "science-technology-society interaction" (Book I: 55.00%; Book II: 48.75%). This book analysis provides empirical evidence about the importance of balancing science literacy dimensions and the need to develop textbooks that improve students' comprehensive science literacy. Contribution: This study provides a comparative insight into how different high school biology textbooks represent dimensions of scientific literacy, offering empirical guidance for improving the balance and depth of literacy components in future textbook development
Enhancing Student Scientific Literacy on Competence Aspect Through Flipchart Media: A Development Study on Human Respiratory System Learning Mawaddah, Hanifa; Rasyidah, Rasyidah
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 11, No 3: Jurnal Pembelajaran Dan Biologi Nukleus September 2025
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v11i3.8100

Abstract

Background: The level of science literacy among junior high school students regarding the human respiratory system remains low, as abstract concepts are difficult to grasp due to the limited learning media provided by teachers. This study aims to develop science literacy-based flipchart media to improve the scientific competence of eighth-grade students at MTsS Al-Washliyah Sei Langgei. Methodology: Using the Research and Development (R&D) framework, the study followed the 4D sequence of Define, Design, Develop, and Disseminate. Subject and media experts, science educators, and 24 students from seventh grade participated in this research. Data collected through expert validation forms, teacher and student practicality questionnaires, and pretest–posttest assessments. The data were analyzed quantitatively through validation percentages and N-Gain to assess effectiveness, as well as qualitatively through descriptive narratives of the comments and suggestions of experts and teachers. Findings: The results showed that the flipchart was highly valid (subject matter experts 96.43%; media experts 98.44%), highly practical (teachers 96.59%; students 98.13%), and effective (N-Gain 0.71). Contribution: These findings confirm that science literacy-based flipcharts are effective in improving students' conceptual understanding and scientific skills, facilitate teachers in delivering material, and can be used as an alternative medium and reference for the development of other science learning media
The Impact of Problem Based Learning Model Base on Practicum Activities on The Critical Thinking Ability of High School Student on Respiration System Material Kesha, Tiara; Rasyidah, Rasyidah
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 11, No 1: Jurnal Pembelajaran Dan Biologi Nukleus March 2025
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v11i1.6880

Abstract

Observations carried out at Senior High School of SMA Ar Rahman found that students' critical thinking abilities were still low, especially in the respiratory system material. The aim of this research is to determine the effect of the problem based learning model on students' critical thinking abilities through practicum on respiratory system material. The samples used were second grade class (XI-MIPA 1) as the experimental-class and XI-MIPA 2 as the control-class. The quasi-experimental research uses a posttest only control design. The variable measured is students' critical thinking abilities obtained from the pretest-posttest scores tested by the t-test. Student practicum activities, student responses, and teacher responses were analyzed using percentage qualitative descriptive analysis. The results showed the average critical thinking ability score for the experimental class was 76.93 while the control was 65.67. The results of the t-test show that there is a significant influence between biology learning using the Problem Based Learning model on students' critical thinking abilities at SMA Ar Rahman High School. The implication is that implementing the PBL model in respiratory system material can serve as an effective pedagogical alternative for educators on SMA Ar Rahman high school to foster higher-order thinking skills in students, which are essential in addressing 21st-century learning challenges. This study provides empirical evidence for the development of a biology learning model based on Problem-Based Learning (PBL) integrated with practicum activities
Utilization of Taro (Colocasia esculenta) as a Bacterial Growth Medium Supporting Microbiology Laboratory Independence Based on Local Papuan Food Resources Sarima, Sarima; Ashari, Makmum; Kiding, Rimba Lukas; Yoku, Estervina Ribka Ance
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 11, No 3: Jurnal Pembelajaran Dan Biologi Nukleus September 2025
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v11i3.7972

Abstract

Background: In universities, the availability of bacterial growth media, which is typically synthetic media such as Nutrient Agar (NA), is extremely important for microbiology practicum activities. Nevertheless, in eastern Indonesia, such as Papua, the high cost of commercial media, the reliance on distribution from outside the region, and the limited budget and laboratory facilities frequently present obstacles to access. Currently, there is a significant lack of research on the use of Papuan local food resources as an alternative medium for bacterial growth. Consequently, further research is required to address this gap. The objective of this investigation is to investigate the potential of taro (Colocasia esculenta), a local source of Papuan carbohydrates, as the foundation for the development of an alternative medium for the growth of Escherichia coli bacteria. This is due to the amylose content of 20–25% and amylopectin of 75–80%, which have the potential to serve as an energy source for bacteria. Method: The media was made from taro extract formulated with the addition of agar, glucose, and MSG, then sterilized and inoculated with E. Coli bacteria. The data were analyzed using the parameters of the number of colonies (CFU/mL) with the ALT calculation standard, as well as a descriptive comparison between the control medium (NA) and the taro media. Results: The Taro alternative media is capable of supporting bacterial growth at a rate of 8.3 × 10⁶ CFU/mL, which is approximately 75.5% of the NA media's capacity of 11 × 106 CFU/mL. Although the color of the colonies differs slightly, the morphological characteristics of colonies growing in alternative media are similar to those of colonies in NA media in terms of shape, elevation, size, and edges. Conclusions: These findings indicate that taro has significant potential as a substitute for microbiological media that is based on local resources.  Not only does the utilization of this medium offer practical and cost-effective solutions for laboratory activities, but it also promotes educational independence and innovation that are rooted in local knowledge in restricted regions.  The implications of this research provide opportunities for laboratory independence in the 3T area and promote the utilization of local wisdom for sustainable microbiology research and education 
Development of Flower Morphology E-Module Based on Tretes Waterfall Biodiversity to Improve Botanical Literacy And Communication Skills Putri, Amalia Shaleha; Sulisetijono, Sulisetijono; Ibrohim, Ibrohim
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 11, No 3: Jurnal Pembelajaran Dan Biologi Nukleus September 2025
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v11i3.7740

Abstract

Background: Botanical literacy and communication skills are critical 21st-century competencies, yet they remain underdeveloped among Biology Education students. This study addresses this gap by developing and validating a flower morphology e-module that integrates local potential from the Raden Soerjo Natural Park. Methodology: Following the Lee & Owens development model, data were collected from 3 expert validators and students in one-to-one (n=3), small group (n=10), and field trials (n=32) using Likert scales, essay questions, and observation sheets. Findings: The e-module was rated "very valid" by experts (96.52% average) and "very practical" in student trials (86 - 89% average). A one-way ANCOVA test confirmed its effectiveness, showing a statistically significant and substantial increase in botanical literacy (80% average) and communication skills (78% average) in the experimental class over the control class. Contribution: This study contributes a validated and effective e-module that uniquely integrates local potential, offering a significant practical implication for the biology curriculum by providing educators with a resource to enhance student competencies through contextualized, self-directed learning
Efficiency of Biochar and Bacillus sp. in The Remediation of Cadmium (Cd) Contaminated Soil Ahaddiyah, Nur Aini; Priyadarshini, Rossyda; Widjajani, Bakti Wisnu
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 11, No 3: Jurnal Pembelajaran Dan Biologi Nukleus September 2025
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v11i3.7730

Abstract

Background: Soil contamination occurs when chemical produced by humans pollute and alter the natural conditions of the soil. Contamination caused by heavy metals is very dangerous and can cause harm to the life of organisms through the food chain.  This study aims to determine the effectiveness of biochar and Bacillus sp in reducing Cd heavy metal levels. This study used contaminated soil with Cd levels of 2.59 ppm, pH 7.52, C-organic 1.30%, and CEC 18.35 Cmol/kg. Methodology: The research method used a factorial randomized block design with 2 treatment factors, each consisting of 3 levels: the first factor is biochar dosage, comprising B0 (without biochar), B1 (biochar 20 tons/ha, and B2 (biochar 40 tons/ha) and the second factor is bacterial concentration, comprising C0 (without Bacillus sp), C1 (Bacillus concentration 105), as well as C2 (Bacillus concentration 108). Further analysis if there are different ANOVA results, the BNJ 5% Test will be performed. Findings: the results showed that the combination of biochar 40 tons/ha with bacillus 105 (B2C1) was able to reduce Cd heavy metal levels by 52% over a 4-week incubation period, in addition to reducing heavy metal levels, it also increased soil pH. Cations that are on the surface of the biochar will exchange ions with heavy metals in the soil. Carboxyl –COOH functional groups found in biochar can be released as H+ ions, forming complexes with heavy metal ions and heavy metal ions will be bind to the surface of Bacillus sp. cells containing carboxyl groups, renderingthe the heavy metals unavailable.  Contribution: this study reveals the combination of biochar and Bacillus, where biochar provides an optimal microbial habitat, thuereby increasing remediation efficiency. In addition to knowing the interaction between organic materials with heavy metals and the development of natural and sustainable remediation
Slidesgo Assisted Interactive Media Development to Enhance Motivation in Technology Learning for Fifth Grade Students in Elementary school Salsyabila, Nuriyah; Zulherman, Zulherman
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 11, No 3: Jurnal Pembelajaran Dan Biologi Nukleus September 2025
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v11i3.7875

Abstract

Background: The lack of motivation to learn of students can make the learning process in grade V of elementary school hampered. Low motivation to learn can be seen from the lack of enthusiasm from students and quickly feeling bored when learning in class and the learning media used by teachers are considered uninteresting or monotonous. Methodology: The method used in this study is Research and Development (RnD) with the ADDIE (Analyse, Design, Development, Implementational, Evaluation) model. This research was conducted at 3 elementary school such as SDN Balimester 01 AM, SDN Balimester 06 AM and SDN Rawa Bunga 11 AM. Results: The results of the assessment obtained from the Expert Lecturers include: 1) Media experts give a validation assessment of 72 % or "Feasible", 2) Subject matter experts give a validation assessment of 84 % or "Very Feasible", and 3) Linguists give a validation assessment of 70 % or "Feasible". The results of the use of media in increasing learning motivation were also seen in students in the small group test with data of 86.24 % (Sd Bm 01 am) and the large group test with data obtained of 89.30 % (Sd Bm 06 Morning) and 90.37 % (Sd Rb 11 Morning). Thus, it can be concluded that Interactive Media assisted by the Slidesgo Platform is very suitable for use as a learning medium that can also increase students' motivation to learn. Contribution: this study shwon that the Slidesgo platform has a significant impact on increasing the learning motivation of fifth-grade elementary school students
Exploration of Community Structure and Density of Sea Cucumbers (Holothuroidea) in the Tropical Waters of Abang Island, Batam Savitri, Yulia; Efendi, Yarsi; Syamsi, Fauziah
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 11, No 3: Jurnal Pembelajaran Dan Biologi Nukleus September 2025
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v11i3.7695

Abstract

Background: Coral reef ecosystems in tropical waters are highly productive and biodiverse, with sea cucumbers (Holothuroidea) serving essential ecological functions as detritivores, contributing to nutrient cycling, sediment bioturbation, and substrate quality. Despite their ecological and economic significance, data on the community structure and density of sea cucumbers in Abang Island remain scarce. This study aimed to assess the species composition, density, and ecological patterns of Holothuroidea in the tropical waters of Abang Island, Batam. Methodology: Field surveys were conducted using a transect-quadrat method, with environmental parameters (temperature, salinity, pH, dissolved oxygen) measured in situ. Findings: Five species were recorded: Holothuria leucospilota, H. atra, H. scabra, H. fuscocinerea, and H. pardalis. Species composition was dominated by H. leucospilota at Station 1 and H. fuscocinerea at Station 2. The highest density was 0.130 ind/m² for H. leucospilota at Station 1, and 0.150 ind/m² for H. fuscocinerea at Station 2. Community analysis showed greater diversity at Station 1 (H′ = 1.07) but higher dominance at Station 2 (D = 0.691). Pearson correlation indicated that salinity and temperature were the most influential factors affecting abundance, varying by habitat type. These results suggest that habitat characteristics, particularly substrate and vegetation, shape species distribution in small island ecosystems. Contribution: This study provides the first baseline data on sea cucumbers in Abang Island, offering novel insights into the linkage between environmental parameters and species-specific distribution patterns, and supporting conservation and sustainable management of these ecologically and economically valuable resources
Phytopharmaceutical Approach in the Development of Red Ginger (Zingiber officinale var. rubrum) Ointment for Inflammation and Pain Management Fitri, Raissa; Br Ginting, Grace Anastasia; Asdian, Fanny; Siahaan, Destina Karinia; Nurfadilla, Sulistia; Adiansyah, Adiansyah
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 11, No 3: Jurnal Pembelajaran Dan Biologi Nukleus September 2025
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v11i3.8135

Abstract

Background: Red ginger (Zingiber officinale var. rubrum) is a variant of Z. officinale distinguished by its elevated levels of phenolic compounds—particularly gingerols, shogaols, and zingerone—that exhibit potent anti-inflammatory and analgesic effects. Topical formulations enable localized drug delivery, reducing systemic exposure and minimizing adverse effects commonly associated with oral nonsteroidal anti-inflammatory drugs (NSAIDs). Methodology: Dried red ginger rhizomes were powdered and extracted with 70% ethanol via maceration. The concentrated extract was incorporated into a white soft paraffin–lanolin base to produce ointments containing 5%, 10%, and 15% w/w extract. The formulations were assessed for physicochemical stability, including organoleptic characteristics, pH, spreadability, adhesion, and homogeneity. Anti-inflammatory activity was evaluated using the carrageenan-induced paw edema model in Wistar rats (n = 6 per group), with blank base and diclofenac sodium ointment (1% w/w) serving as negative and positive controls, respectively. Findings: All ointments exhibited stable physicochemical properties within pharmacopeial acceptance limits (pH 5.2–5.9; spreadability 5.6–6.4 cm; adhesion >1 s). In vivo, red ginger ointments significantly reduced paw edema in a dose-dependent manner (p < 0.05). The 15% formulation achieved 60.8% inhibition (0.47 ± 0.05 mL at 5 h), comparable to diclofenac ointment (0.48 ± 0.06 mL; p = 0.71). Contribution: The study establishes that red ginger retains pharmacological activity when formulated into a topical base, confirming its potential as a stable, safe, and effective phytopharmaceutical for localized inflammation management. These findings support further preclinical and clinical studies toward its development as a natural alternative to synthetic topical NSAIDs
Population Structure and Anthropogenic Pressure of Sea Urchin Utilisation (Diadema setosum) on Shallow Coral Reefs of Dedap Island, Batam Manihuruk, Pitrin Octca; Efendi, Yarsi; Syamsi, Fauziah
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 11, No 3: Jurnal Pembelajaran Dan Biologi Nukleus September 2025
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v11i3.7920

Abstract

Background: Diadema setosum is a key species in maintaining coral reef stability through its role in controlling algal growth. However, exploitation for consumption and trade of its gonads by coastal communities has generated anthropogenic pressures that threaten population sustainability. This study aims to assess the population structure and utilisation pressure on   D. setosum in the shallow coral ecosystem of Dedap Island, Batam City. Methodology: Observations were carried out at five stations using a 50-metre belt transect method with 5×5 m quadrat plots. Data were analysed through descriptive statistics to determine density and distribution, while correlation and regression analyses were applied to examine the influence of environmental parameters (temperature, dissolved oxygen, salinity, and pH). Structured quantitative interviews with local fishermen were conducted to obtain information on harvesting practices. Results: The population density ranged from 0.180 to 0.292 ind/m², with a clustered distribution pattern observed at stations farther from human activity. Regression results indicated that temperature significantly increased density, while dissolved oxygen and pH had significant negative effects. Fishermen reported daily harvesting during low tide with yields of 2–3 kg of gonads per person. These findings demonstrate exploitation pressure on D. setosum, underscoring the need for ecosystem-based management. Contribution: The novelty of this study lies in integrating ecological surveys with socio-economic data, offering comprehensive insights for locally adapted conservation strategies.

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