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Contact Name
Harizqi Azri
Contact Email
hrzm2f@gmail.com
Phone
+6285365372924
Journal Mail Official
hrzm2f@gmail.com
Editorial Address
jalan mangga vi No 431 kuranji Kota Padang
Location
Kota padang,
Sumatera barat
INDONESIA
Jurnal Bioconcetta
ISSN : 24608556     EISSN : 25021737     DOI : 10.22202/bc
Core Subject : Agriculture,
Jurnal Bioconcetta is an open access, peer-reviewed, multidisciplinary journal dedicated to the publication of novel research in all aspects of biology, such us research results development in the field of biology learning, experimental research results in the field of biology education, classroom action research results in the field of biology teaching, zoology, botany, ecology, taxonomy, structure and development, physiology and genetics and biotechnology.
Articles 4 Documents
Search results for , issue "Vol 11, No 2 (2025)" : 4 Documents clear
COMPARISON OF PROBLEM-BASED LEARNING AND PROJECT-BASED LEARNING MODELS ASSISTED BY THE PLANTNET APPLICATION ON COGNITIVE LEARNING OUTCOMES IN SCIENCE EDUCATION M Rozali; Tomi Hidayat; Nopriyeni Nopriyeni
BioCONCETTA Vol 11, No 2 (2025)
Publisher : Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/bc.2025.v11i2.9307

Abstract

Problem-Based Learning (PBL) is a learning model that focuses on solving real-world problems to foster students’ critical and analytical thinking skills. Meanwhile, Project-Based Learning (PjBL) emphasizes students’ involvement in completing projects that produce tangible products, thereby enhancing collaboration and creativity. This study aims to compare the effects of PBL and PjBL on students' cognitive learning outcomes in science education at SMP Negeri 2 Kota Bengkulu. A quasi-experimental method with a nonequivalent control group pretest-posttest design was employed. The research sample consisted of 116 students, comprising 39 students in the PBL class, 38 in the PjBL class, and 39 in the control class. Data were collected using cognitive learning outcome tests and analyzed with the Kruskal-Wallis and Mann-Whitney U tests. The results revealed significant differences in students’ cognitive learning outcomes between the PBL and PjBL models. PBL was found to be more effective in enhancing students’ cognitive learning outcomes compared to PjBL. These findings suggest that problem-based learning can improve the effectiveness of science education. 
THE EFFECT OF USING AUGMENTED REALITY (AR)-BASED LAB GUIDES ON SCIENCE LITERACY AND STUDENT LEARNING INTEREST IN VIRUS MATERIAL IN GRADE X AT SMA NEGERI 3 REJANG LEBONG Meti Herlina; Sela Anggi Monika; Apriza Fitriani
BioCONCETTA Vol 11, No 2 (2025)
Publisher : Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/bc.2024.v10i2.8360

Abstract

This study aims to determine the effect of augmented reality-based laboratory guidelines on students' science literacy and interest in learning. Two classes were involved as the experimental class and the control class with different treatments. The experimental class applied Augmented Reality-based laboratory guidelines, while the control class did not. The research sample was class X IPA 2 as the experimental class and class X IPA 3 as the control class. The instruments used were essay questions to measure literacy skills and questionnaires to measure learning interest. The results showed that there was a significant effect of Augmented Reality-based practicum guides on students' science literacy skills, with a sig value < alpha value, namely 0.000 < 0.05, or tcount > ttable, namely 4.161 > 2.010. In addition, there was also a significant effect on students' interest in learning, with a sig value < alpha value, namely 0.00 < 0.05 or tcount > ttable, namely 4.790 > 2.010.
CARRIER THALASSEMIA: RISK ANALYSIS AND PRELIMINARY SCREENING USING SIMPLE LABORATORY TESTS AMONG BIOLOGY STUDENTS OF UNIVERSITAS RIAU Yeni Etma Nazar; Titrawani Titrawani; Zulpadrianto Zulpadrianto; Ainul Mardiah; Nur Ikhlas Syuhada; Feni Andriani; Laila Ainur Rohmah; Syafrizal Syafrizal
BioCONCETTA Vol 11, No 2 (2025)
Publisher : Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/bc.2025.v11i2.10316

Abstract

Thalassemia is an autosomal recessive genetic disorder that remains a significant public health concern in Indonesia; consequently, early detection of carriers is crucial to prevent the birth of children with thalassemia major. This study aims to analyze the risk of thalassemia among Biology students at the Faculty of Mathematics and Natural Sciences (FMIPA), Universitas Riau, utilizing a simplified laboratory screening approach. The research involved 30 students who participated in genetic risk questionnaires, hemoglobin level assessments using digital hemometers, and erythrocyte counts via hemocytometers. The findings revealed a questionnaire risk score of 0.07 (categorized as very low), a mean hemoglobin level of 12.73 g/dL, and an erythrocyte count of 5.22 million cells/µL, both of which fall within normal physiological ranges. These results indicate that the risk of thalassemia among Biology students at FMIPA Universitas Riau is remarkably low. Simple screening through questionnaires, hemoglobin levels, and erythrocyte counts can serve as an effective method for both educational purposes and the preliminary screening of thalassemia carrier risk in students.
CHARACTERIZATION OF CITHOSAN FROM MILKFISH SCALES (CHANOS CHANOS) AS A RAW MATERIAL FOR BIOPLASTICS Putri Izzati Zakaria; Esti Tyastirin
BioCONCETTA Vol 11, No 2 (2025)
Publisher : Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/bc.2025.v11i2.10552

Abstract

Milkfish (Chanos chanos) scales are a fishery waste rich in chitin and have the potential to be processed into chitosan as a raw material for environmentally friendly bioplastics. This study was conducted using a descriptive qualitative approach through a literature review of seven recent scientific journals. The analysis results show that chitosan derived from milkfish scales has a degree of deacetylation ranging from 44%-92.71%, yield of 20.26%-31.81%, ash content of 0.99%-3.9%, and moisture content of 16%-20%. Physically, chitosan appears as an off-white to yellowish fine powder, odorless, and soluble in acetic acid, thus meeting most of the SNI 7949:2013 standards. This study aims to evaluate the characteristics of milkfish scale-derived chitosan as a raw material for bioplastic production.

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