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INDONESIA
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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Practicality of E-Modules Based on Problem-Based Learning (PBL) Learning Model on Digestive System Material Ibrahim, Mohammad Andre; Latjompoh, Masra; Abdul, Aryati; Ibrahim, Mustamin; Solang, Margaretha; Akbar, Muh. Nuh
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 9, No 3: Jurnal Pembelajaran Dan Biologi Nukleus November 2023
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v9i3.4953

Abstract

Electronic modules are electronic learning media that are systematically arranged and include competencies that will be mastered by students and are equipped with an attractive appearance. Problem-based learning is a learning strategy that focuses on improving students' ability to learn and collaborate in groups to find solutions to problems in the surrounding environment. This study aims to describe the implementation of learning and student activities using e-modules based on problem-based learning of digestive system material. This study used the research and development (R&D) method modified by Sugiyono (2017). Data collection techniques used observation sheets of learning implementation and student activity sheets. The problem-based learning e-module trial was conducted on a limited scale. The subjects in this study were 15 students of Class XI 1 SMA Negeri 1 Tapa. The results of the study found that the practicality test based on the percentage of learning implementation was 88.7% in the "very good" category and student activity was 91.6% in the "very good" category. Based on the study results, it can be concluded that the e-module based on problem-based learning of digestive system material has met the practical criteria so it is feasible to use in biology learning.
Potential of The Biological Agent Bacillus spp in Inhibiting Fusarium Wild Disease and its Effects on The Growth and Production of Cayenne Papper (Capsicum frutescens L.) Zakqy, Nauval; Wuryandari, Yenny; Purnawati, Arika
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 10, No 1: Jurnal Pembelajaran Dan Biologi Nukleus March 2024
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v10i1.5366

Abstract

Cayenne pepper (Capsicum frutescens L.) is a horticultural crop in Indonesia that often has many obstacles. The main obstacle that is often faced is wilt disease caused by the fungus Fusarium oxysporum. Bacillus spp. bacteria have the potential to control the fungus F. oxysporum. The purpose of this study was to determine the ability of Bacillus spp. bacteria in controlling fusarium wilt disease. This research was conducted from August to November 2023 at the Plant Health Laboratory and screen house of the Faculty of Agriculture, National Development University "Veteran" East Java. The study used a Factorial Complete Randomized Block Design with three replications and nine treatments so that there were 27 experimental units. The observation variables included incubation period, disease intensity, plant height, number of leaves, first flower appearance and fruit wet weight. The research data were analyzed using ANOVA analysis of variance procedure to determine whether there is an effect of each treatment. If it is known that there is a significantly different effect from the treatment, it will be continued with the DMRT test at the 5% level. The results showed that the combination of Bacillus spp bacteria and dosage had an effect on the incubation period and disease intensity. The results showed that the combination of Bacillus spp bacteria and doses had an effect on vegetative phase parameters, namely plant height and number of leaves. However, the combination of Bacillus spp and dosage showed that the generative phase parameters did not significantly affect the first flower appearance and fruit wet weight
Effectiveness of Biopesticides Nicotiana tabacum L and Ageratum conyzoides L As Controlling Spodoptera exigua in Red Onion (Allium ascalonicum L.) Pradinata, Rio; Ginting, Tri Yaninta; Amrul, Hanifa Mutia Z N
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 10, No 1: Jurnal Pembelajaran Dan Biologi Nukleus March 2024
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v10i1.5397

Abstract

Shallots (Allium ascalonicum) are a commodity in Indonesia that has high economic value. One of the pests that often attacks and reduces shallot yields is the onion caterpillar pest S. exigua. Tobacco plants and babadotan weeds are types of plants that can be used as botanical pesticides as a method of controlling and preventing pest attacks on plants. Tobacco and babadotan plants contain secondary metabolite compounds such as alkaloids, flavonoids, saponins, terpenoids and tannins which are able to kill insect pests on shallot plants. The aim of this research is to determine the effectiveness of tobacco extract (Nicotiana tabacum L.) and Babadotan (Ageratum conyzoides L.) as control of the onion caterpillar pest Spodoptera exigua on shallots. The highest combined mortality rate was treated with T6 at 96JSP with an average of 75%,The lowest larval mortality percentage test was found in T2 with an average mortality result of 22.50%.The results of biosafety testing show that the combination of tobacco extract and babadotan extract cannot be used together. From the conclusions that have been obtained, the extracts of (Nicotiana tabacum L.) and (Ageratum conyzoides L.), both single extracts and combination extracts, are effective in controlling the pest S.exigua
Evaluation and Improvement of The Effectiveness of Floating Pellets with Substitution of Chicken Feather Meal as Optimal Food for The Growth And Survival of Tilapia (Oreochromis niloticus) Pratama, Dimas; Afriani, Dwi Tika; Syafitri, Emmy
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 10, No 2: Jurnal Pembelajaran Dan Biologi Nukleus July 2024
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v10i2.5655

Abstract

This study aims to determine the effectiveness of fishmeal substitution using chicken feather meal in pellets on growth, water quality, and survival of tilapia (Oreocromis niloticus), to determine the effectiveness of fishmeal substitution using chicken feather meal in pellets on FCR value, how the physical test value of floating pellets substituted with chicken feather meal, and what factors need to be updated in an effort to improve the quality of floating pellet feed substituted with chicken feather meal. The results of absolute growth research on fermented chicken feather meal pellets were 5.07 grams/head, non-fermented chicken feather meal pellets were 5.11 grams/head, and conventional pellets were 5.03 grams/head. While the results of absolute length growth on fermented chicken feather meal pellets were 3.21 cm/head, and absolute length growth for non-fermented chicken feather meal pellets was 3.24 cm/head, while for conventional pellets was 3.28 cm/head. The survival rate ranged from 62% - 68% during rearing with an FCR value of 0.6. Although the survival rate obtained was not good, the water quality during the study including pH, DO, and temperature showed good results in accordance with the quality standards. While the results of organoleptic observations of feed showed that the non-fermented artificial feed observed by the testers had a more pungent aroma than the fermented artificial feed, and conventional pellets tended to have a strong odor aroma. As for the texture assessment of the three types of feed, the dominant judge that all three have a hard texture
Quality of biology laboratory infrastructure and Facilities in High School Arum, Sekar Ganda Ning Tyas; Saifuddin, Much Fuad; Pratiwi, Silfi; Isnayanti, Tri Rahayu; Rahma, Dinda Iftiqa; Puspitasari, Etika Dyah; Wulandari, Retno; Purbosari, Purwanti Pratiwi
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 10, No 2: Jurnal Pembelajaran Dan Biologi Nukleus July 2024
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v10i2.4459

Abstract

Practicum is one of the essential learning activities for students psychomotor and fosters scientific attitudes in students. Therefore, adequate laboratory infrastructure is needed. Biology laboratory standards are contained in the regulation of the Minister of national education No. 24 of 2007 concerning Standards for Educational Facilities and Infrastructure. The research as descriptive qualitative was conducted at School A, School B, and School C with data collection techniques using observation and interviews. The study results indicate that laboratory facilities and infrastructure, including infrastructure, facilities and Biosecurity Level 1, follow the standards set in the regulation of the Minister of national education No. 24 of 2007. Based on the research that has been done, the most suitable facilities and infrastructure according to the standards of regulation of the Minister of national education No. 24 of 2007 are School B. Fulfillment of standards can support the smooth running of practicum. Besides, schools must keep raising standards to a higher level.
Critical Thinking Profile and Environmental Literacy Analysis of Al-Washliyah Labuhanbatu University Biology Education Undergraduate Students Syafriyeti, Rahmi; Srimulat, Fitri Endang; Atnur, Witma Novita
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 10, No 2: Jurnal Pembelajaran Dan Biologi Nukleus July 2024
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v10i2.5798

Abstract

Critical thinking plays a crucial role in enhancing environmental literacy by fostering the ability to analyze, evaluate, and understand complex environmental issues. The purpose of this study was to analyzed the profile of critical thinking and environmental literacy of biology education students at Al-Washliyah Labuhanbatu University. This research is descriptive quantitative in which data were collected through observation and questionnaires. critical thinking indicators are simple explanations, building basic skills, inferring, making further explanations and strategies and environmental literacy indicators knowledge, cognitive skills, attitudes and behaviors related to environmental stewardship. The results showed that the mean score of CT skills (M=13.81, SD=3.52) was weak and below the optimal average (M=17.1, SD=5.0) and the environmental literacy profile shows that for the knowledge indicators the average is 61.25% with a sufficient category, for the cognitive skills indicators 63.95% with a sufficient category, for the attitude indicators 76.53% with a good category, for the environmentally responsible behavior indicators 53.92% with a poor category.  Critical thinking skills of biology students at Al-Washliyah Labuhanbatu University is not favorable and environmental literacy for the ecological knowledge aspect is still at a moderate level, which means that some ecological concepts such as biogeochemical cycles are not well understood
The Application of Bokashi Fertilizer on the Growth of Cucumber Plants (Cucumis Sativus L.) Sinaga, Febrita Damena; Mustamu, Novilda Elizabeth; Triyanto, Yudi; Zamzami, Lutfi Fadillah
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 10, No 2: Jurnal Pembelajaran Dan Biologi Nukleus July 2024
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v10i2.5811

Abstract

The cucumber (Cucumis sativus L.) belongs to the Cucurbitaceae family (gourd plant), which is very popular with all levels of society. This research aimed to determine the proper use of bokashi fertilizer in the growth and production of cucumber plants (Cucumis sativus L). This research was carried out from  January 24, 2024, to March 2024, at Jl. Lintas Gunung Tua, Simatahari Village, Kotapinang District, North Sumatra, Indonesia a. This study used a non-factorial randomized block design (RAK) consisting of 1 factor, each factor consisting of 6 levels, namely T0:Control, T1: bokashi 200g, T2: bokashi 300g, T3: 400g, T4: 500g, T5: 600g, and analyzed with statistical analysis using SPSS. The research results show that the lowest dose of bokashi fertilizer was given at the control dose. At the same time, the best dose was at a dose of 600g/plant, which showed the highest response from each treatment
A Review of The Suitability of Mangrove Agro-ecotourism Areas in Perupuk Village, Batubara Regency, North Sumatra Province Hasan, Uswatul; Mardiana, Siti; Hasibuan, Syahbudin
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 10, No 2: Jurnal Pembelajaran Dan Biologi Nukleus July 2024
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v10i2.5669

Abstract

This study aimed to measure the suitability of mangrove ecosystems in Perupuk village, Batubara district as an ecotourism area. Several ecological parameters were used as a basis for considering suitability including mangrove type, thickness, and density. In addition, biota diversity and tidal height were also observed. Mangrove observations were carried out using the 10 x 10 metre quadratic transect method as many as 20 pieces were let on the shoreline area toward, land. The results showed that this area was only overgrown with Avicennia marina with a thickness of 203.7 meters, and a density of 2100 Ind/ha. There are 31 species of biota associated with mangrove ecosystems consisting of 3 bivalve species, 1 gastropod, 6 fish, 16 birds, 2 crustaceans, 2 arthropods, and 1 mammal. The results of the ecotourism suitability index analysis show that this area is very suitable for mangrove ecotourism sites with a suitability value of 73.75%
Development of Student Worksheet based on Discovery Learning on Reproductive System Materials in Improving Higher Order Thinking Skills of Senior High School level-Madrasah Aliyah (MA) Students Harahap, Yuli Erpianna; Jayanti, Ummi Nur Afinni Dwi
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 10, No 2: Jurnal Pembelajaran Dan Biologi Nukleus July 2024
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v10i2.5865

Abstract

Higher Order Thinking Skills (HOTS) are skills needed in the 21st century education world that must be mastered and developed. Therefore, innovative open materials are needed to help develop higher-order thinking abilities. This development research aims to produce a valid, practical, effective student worksheet based on discovery learning. The instruments used were needs analysis in the form of teacher interview guidelines and questionnaires for students, media and material expert validation sheets, and practicality sheets. Then the effectiveness sheet was a pretest post-test sheet. Based on the results of the data analysis, the validation of teaching materials obtained a score of 96.15%, the results of material validation obtained a score of 88%, the results of the teacher response questionnaire obtained a score of 100%, and the results of the student response questionnaire obtained a score of 98.66%. The effectiveness assessment resulted in a score percentage of N -Get 71.88% in the high category. Therefore, the student worksheet based on discovery learning are considered a feasible, practical, and effective learning tool, facilitating the development of high-level thinking skills. However, further research development can expand the material on biology learning that has yet to be covered in developing the student worksheet and expand the research scale
The Effect of the Socio-Scientific Inquiry (SSI) Learning Model on the Comprehension of Ecosystem Concepts by High School Students Nasution, Yara Maulina; Jayanti, Ummi Nur Afinni Dwi
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 10, No 2: Jurnal Pembelajaran Dan Biologi Nukleus July 2024
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v10i2.5839

Abstract

Understanding biological concepts is the main target of learning because it relates to the Sustainable Development Goals (SDGs) objectives. However, understanding biological concepts still needs to be solved in Indonesia, one of which is the low understanding of biological concepts in ecosystem material. The purpose of this study is to ascertain how students' comprehension of concepts in ecosystem material is impacted by the Socio Scientific Inquiry (SSI) learning approach. A quasi-experiment with a two-group pre-test-post-test design was used in the research methodology. The sampling technique used was cluster random sampling. The research instrument was an essay with ten concept understanding questions in it. To find the standard deviation, mean, median, and mode of the data, descriptive analysis was employed as the data analysis approach. The independent t-test was used to assess the study's hypothesis, and the normality and homogeneity tests were run for the precondition analysis. The findings of the descriptive analysis show that the average post-test score in the experimental class is 80.50, whereas it is 67.83 in the control class. This discrepancy suggests that the experimental class's average post-test score is higher than that of the control group. T-test result found that the Sig (2-tailed) value was 0.000 < 0.05, which resulted in the acceptance of Ha and the rejection of H0. This suggests that students' conceptual comprehension is impacted by the Socio Scientific Inquiry (SSI) learning model. This study concludes that the Socio Scientific Inquiry (SSI) learning paradigm improves students' conceptual comprehension when compared to standard learning paradigms.

Page 28 of 44 | Total Record : 437

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