cover
Contact Name
-
Contact Email
-
Phone
-
Journal Mail Official
-
Editorial Address
-
Location
Kab. jember,
Jawa timur
INDONESIA
Articles 65 Documents
THE EXPLORATION OF CHLOROPHYLL CONTENT OF VARIOUS PLANTS IN CITY FOREST OF MALABAR MALANG Latifa, Roimil; Hadi, Samsun; Nurrohman, Endrik
BIOEDUKASI Vol 17 No 2 (2019)
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN UNIVERSITAS JEMBER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bioedu.v17i2.14091

Abstract

Abstract   This current research aimed at investigating chlorophyll content of various plants growing in the city forest of Malabar Malang. Descriptive quantitative method was employed as the research design. This research was conducted from April to August 2019 in city forest of Malabar and Biology Laboratory University of Muhammadiyah Malang. The data were analyzed by means of Microsoft Excel. There were three steps of the research, as follows: a) surveying the research location; b) taking samples of each leaf; and c) laboratory testing. Laboratory testing comprised some stages, as below: a) weighing each leaf sample at 0.3 gram, grounded and dissolved in 80% acetone; b) filtering by utilizing filter paper, and c) testing by means of spectrophotometer with the wavelengths of 645? and 663?, respectively to result in absorbance value. The results of absorbance value were tabulated into a specific formula to find out the content of chlorophyll a, chlorophyll b, and the total chlorophyll of each leaf sample. This current research has revealed that regarding the average scores, chlorophyll a has been found the highest in Averrhoa bilimbi leaf (35.848 µg/ml) and the lowest is in Averrhoa carambola leaf (17.857 µg/ml). The average score of chlorophyll b has been found the highest in Tabebuya leaf (58.862 µg/ml) and the lowest is in nortflok pine leaf (9.124 µg/ml). As for the total average of chlorophyll content, the highest content was extracted from Tabebuya leaf (91.737 µg/ml), and the lowest is found in nortflok pine leaf (28.517 µg/ml).    
DEVELOPMENT OF ANDROID BASED INFORMATION SYSTEM MEDIA ABOUT PLANT DIVERSITY IN ALAS PURWO NATIONAL PARK Astari, Sindi Ayu; Mudakir, Imam; Iqbal, Mochammad
BIOEDUKASI Vol 17 No 2 (2019)
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN UNIVERSITAS JEMBER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bioedu.v17i2.13913

Abstract

Abstract The aim of this study is to develop Android based information system media about plant diversity in Alas Purwo National Park. This study is a developmen reserach  using a 4-D development model (4 D model . Data collection methods used in this study were interviews, documentation, and expert validations. The result of this study about the validation of android based information system was all off expert validation evaluated this media very valid with a percentage of 89.55% in category quantitative assessment. In qualitative assessment, these media need to little modification such as in use of a source of the picture and more efficient to explant about plant description in the media
LEARNING MOTIVATION: BASED ON GENDER AND ACADEMIC ABILITIES Yusnaeni, Yusnaeni; Sudirman, Sudirman
BIOEDUKASI Vol 17 No 2 (2019)
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN UNIVERSITAS JEMBER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bioedu.v17i2.14468

Abstract

Student learning outcomes are influenced by several factors. One of them is learning motivation. This research is a descriptive and correlation study that aims to describe and analyze students' learning motivation based on gender and academic ability. The sample of this study was grade 10th students of senior high school in Kupang City, namely: SMAN 5, SMAN 4, and SMAN 1. The determination of school samples and class samples is done by random sampling. The research instrument used the MSLQ motivation questionnaire that was developed and validated by Duncan and McKeachie (2005), while the data of learning outcomes obtained from summative test scores . The results obtained that the average motivation (intrinsic and extrinsic) of students: 1) women are higher than male students, and 2) academic ability is higher than students with lower academic ability, and 3) Extrinsic motivation has a very significant correlation with intrinsic motivation and results learning, for gender and academic ability.The results of this study indicate that an appropriate learning strategy is needed in order to minimize gender differences and academic ability to foster student learning motivation which ultimately impacts on learning outcomes.   Keywords: Learning motivation; academic ability; gender; students.
MICROBIOLOGY FACTOR MEASUREMENT AS INDOOR AIR QUALITY PARAMETER IN PUBLIC SPACE Pamungkas, Oktofa Setia; Nirwala, Henny Ayu; Pardede, Dina Mala
BIOEDUKASI Vol 17 No 2 (2019)
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN UNIVERSITAS JEMBER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bioedu.v17i2.14482

Abstract

Nearly 90% of people spend their time in both private and public indoor spaces. Bank is one of the public indoor spaces accessible to the community, as well as a place for some workers spending time every day. This study was conducted in 6 banking sectors in Samarinda, East Kalimantan, focusing on the existence of microorganisms such as bacteria and fungi/mold. The purpose was to investigate the number of microorganisms, both bacteria and fungi, contained in indoor areas of several bank offices in Samarinda. The results showed that the number of bacteria and fungi at several sampling points in 6 offices were above the standard of Permenaker RI No. 5 the year of 2018 and Permenkes RI No. 48 the year of 2016, i.e.,>700 cfu/m3 for bacteria and >1000 cfu/m3 for fungi.
THE DEVELOPMENT OF COLLABORATIVE LEARNING CELL BASED ON BRAIN-BASED LEARNING (BBL)MODEL FOR THE JUNIOR HIGH SCHOOL SCIENCE LEARNING IN THE AGROECOSYSTEM AREA Laksana, Ari Dwi Setya; Prihatin, Jekti; Novenda, Ika Lia
BIOEDUKASI Vol 17 No 2 (2019)
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN UNIVERSITAS JEMBER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bioedu.v17i2.14999

Abstract

Agroecosystem plays an important role in the national economy. However, the role of agroecosystem in education in the form of teaching and learning has not been used optimally. It is less in providing opportunities for students to develop their mindset based on their abilities so that the students do not understand the potential requiring the surrounding area. Learning models that can provide opportunities for students to develop are suitable with the 2013 curriculum. Modification of collaborative learning Cells with Brain-Based Learning (BBL LC) model makes the learning appropriate for the 2013 curriculum. The purpose is to obtain a valid, effective, and practical model which is suitable for the junior high school science learning in the agroecosystem area. The research type is development research (R & D) by using the 4-D model but, only use three stages; Define, Design, and Develop stages without using Disseminate stage. This research was conducted at Junior High School 7 Jember. The data collection techniques were filling out the validation sheet, interview, observation, test, and documentation. The data analysis techniques include data analysis from the validation results, model analysis, and model effectiveness analysis. The model validity was the average results of the product validation (85.81%) in a very valid category. The model effectiveness was the average of¬N-gain learning outcomes (0.53) and students' problem-solving skill questionnaires (75.87% ) in a good category. The model practicality was from the teacher and student response questionnaires with an average of about 92.94% and 94% which belongs to a very practical category.
EMPOWERING METACOGNITION WITH MIND MAP TO OPTIMIZE THE PRODUCT QUALITY OF LEARNING OUTCOME Aprilisa, Ema
BIOEDUKASI Vol 17 No 2 (2019)
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN UNIVERSITAS JEMBER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bioedu.v17i2.15055

Abstract

Learning outcome can be one of the reference to rate the success of a learning process. Product, as a result of learning, become an important aspect that can reflect success of learning. This research will proving the importance of metacognition to optimize the quality of learning outcomes.  Metacognition is facilitated using mind maps during the learning process. The data in this research were obtained the method of triangulation through the analysis of the results of questionnaires, interviews, and evaluating products as a learning outcome. These three data are then collaborated to show the conclusions about metacognition to optimize  the quality of  learning outcomes using mind map. This research proved that mind map are able to facilitate metacognition. Metacognition also give affects to learning outcomes, in this case is lesson plan or RPP. Not only proving mind map as a tool to facilitate metacognition, this research also proves if there is a relationship betwen metacognition and achievement of learning outcomes, especially for product as a learning outcome.
THE IMPROVEMENT CRITICAL THINKING ABILITY OF STUDENTS THROUGH RECIPROCAL LEARNING (RECIPROCAL TEACHING) AND JIGSAW MODELS IN BIOLOGICAL LESSON IN PARLAUNGAN ISLAMIC HIGH SCHOOL AND AL-MUSLIM HIGH SCHOOL Slamet, Slamet; Walujo, Djoko Adi; Sugito, Sugito
BIOEDUKASI Vol 17 No 2 (2019)
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN UNIVERSITAS JEMBER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bioedu.v17i2.15056

Abstract

Reciprocal teaching is one of learning model which is consist of four strategies: summarizing, questioning, claryfying the knowladge, and predicting. Another type of cooperative learning is jigsaw models. Jigsaw is a cooperative learing model which create some expert learning groups to stimulate critical thinking of the student abilities. Jigsaw is a learning model that triggers student to have active role in group learning. This study was to know the effect of Reciprocal Teaching with Jigsaw learning model on student critical learning ability is important to be exposure because its study shows that the 10th grade high school students had a low critical thinking abilities. As pre-test and post-test statistical data showed the influence of prior knowledge on learning result has significance points of 0,443 > 0,05., so it can be conclude that the data is significant. Based on the data, there are influence between the prior knowledge to the crtitical thinking ability result. According to the statistical data, the influence of learning models on learning results has significance points of 0,060 > 0,05., so it can be conclude that there are diffrence effect in critical thinking ability by using Reciprocal teaching vs Jigsaw models. Based on the data, the significance points are 0,126 > 0,05., it indicates that the students learning results data is valid or significant and it can be conclude that there are some interaction between Reciprocal teaching with Jigsaw model learning method and aperception knowledge on the learning result of 10th grade student critical thinking ability at Islam Parlaungan High School Waru and Al-Muslim High School Waru.
AKTIVITAS ANTIMICROBIAL EKSTRAK ETANOL BIJI GANITRI (Elaeocarpus sphaericus Schum.) TERHADAP PERTUMBUHAN BAKTERI PATOGEN As’ari, Hasyim; Kurnia, Tristi Indah Dwi; Nurchayati, N.
BIOEDUKASI Vol 14 No 2 (2016)
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI FKIP UNIVERSITAS JEMBER

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The seed ethanol extracts ganitri (Elaeocarpus sphaericus Schum.) were tested for their antimicrobial activities against Shigella dysenteriae, Salmonella typhi, and Escherichia coli. At concentrations 10-50% the seed ethanol extracts ganitri effectively inhibited the growth of all tested bacteria as shown by the wide clear zones which varied from 0,026 to 0,996 cm 2 . Wide clear zone at concentration 50% extract can be categorized as high in E. coli, and moderate for Shigella dysenteriae and Salmonella typhi. While the minimum inhibitory concentration (MIC) the seed ethanol extracts ganitri same for all tested bacteria at concentration 1% extract. Keywords: Ganitri seed, antimicrobial, concentration, MIC
PERBEDAAN DAYA HAMBAT EKSTRAK DAUN SISIK NAGA (Drymoglossum piloselloides Linn.) TERHADAP BAKTERI Propionibacterium acne DENGAN Shigella dysentriae Febriani, Wenti Dwi; Wahyuni, Dwi; Asyiah, Iis Nur
BIOEDUKASI Vol 13 No 2 (2015)
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI FKIP UNIVERSITAS JEMBER

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Propionibacterium acne and Shigella dysentriae is a species of bacteria that cause inflammation. Diseases that cause acne are often caused by a bacterial infection, one of which is the bacteria Propionibacterium acne. While inflammatory bowel disease caused by a bacterial infection Shigella dysenteriae. Both are bacteria that cause inflammation. One of the plants that have the potential as an alternative antibacterial is leaf dragon scales (Drymoglossum piloselloides Linn). Inhibition of leaf extracts dragon scales (Drymoglossum piloselloides Linn) against Propionibacterium acne bacteria significantly affect the significance value of 0,000. While the dragon scales leaf extract (Drymoglossum piloselloides Linn) against Shigella dysenteriae bacteria significantly affect the significance value of 0,000. Minimal Inhibitory Concentration (MIC) which is able to inhibit the bacteria Propionibacterium acne is 0,8% with a mean inhibition zone of 0,26 cm. While the Minimal Inhibitory Concentration (MIC) which is able to inhibit the bacteria Shigella dysenteriae is 0,6% with a mean of 0,15  Keywords: Propionibacterium acne, Shigella dysentriae, Drymoglossum piloselloides Linn., acne bacteria
AKTIVITAS ANTIBAKTERI EKSTRAK METANOL KULIT BATANG TUMBUHAN SALAM (Syzygium polyanthum) TERHADAP PERTUMBUHAN BAKTERI Escherchia coli Mawan, Agni Rimba; Indriwati, Sri Endah; Suhadi, Suhadi
BIOEDUKASI Vol 15 No 1 (2017)
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI FKIP UNIVERSITAS JEMBER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bioedu.v15i1.4702

Abstract

Syzygium polyanthum has medicinal benefits, especially in its stem bark. This study aims to determine the antibacterial activity of methanol extract of Syzygium polyanthum’s stem bark to the inhibit of Escherchia coli growth. Extraction method done by maceration using methanol solvent. The extract used 40%, 60% and 80%, with tetracycline as a positive control and aquades as a negative control. Antibacterial activity tested by disk diffusion method. The result of antibacterial activity test analyzed using one-way ANOVA, followed by LSD test. The result showed that the extract concentration of 40%, 60%, and 80% have antibacterial activity with an average diameter of inhibitory zone, such as: 40% (16,2 mm),60% ( 8,5 mm) and 80% (16,3 mm), while the positive control 27,3 mm and negative control 0 mm. The results of the ANOVA analysis showed a significant value of 0.000 (p<0.05), which means there are significant differences in the effects of various concentrations of methanol extract of Syzygium polyanthum’s stem bark against Escherchia coli growth. The results of the LSD (Least Significance Different) test showed that all treatments were  significantly different than concentration of 40% to consentration of 80%. The conclusion of the study is the methanol extract of Syzygium polyanthum’s stem bark have antibacterial activity against Escherchia coli.  Keywords: antibacterial activity, Syzygium polyanthum, Escherchia coli, disk diffusion method