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All Journal International Journal of Advances in Applied Sciences TROPICAL GENETICS Tropical Genetics
Adibah Abu Bakar
UNIVERSITI PENDIDIKAN SULTAN IDRIS
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Environmental Science Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Physics

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Molecular assessment of native fish diversity in UNESCO heritage site, Tasik Raban, Malaysia using DNA barcoding: DNA Barcoding of Native Fishes in Tasik Raban, Malaysia Ramizah Abdull Rahman; Adibah Abu Bakar; Nurul Fizatul Nabilah Osman; Syazwan Saidin; Intan Faraha A. Ghani
Tropical Genetics Vol. 1 No. 2 (2021)
Publisher : Genetikawan Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (910.632 KB)

Abstract

Despite the fact that freshwater fishes have been studied for over a century, Malaysia's conservation status and management are still in their infancy. The poor progress of freshwater fish taxonomy and conservatory management is primarily due to a lack of interest and funding. There are still numerous unsolved taxonomic issues of freshwater fishes in Malaysia and this had a negative impact on national ichthyological research. As a result, the current research aims to aid the success of the molecular DNA barcode project, particularly in inland reservoirs such as Tasik Raban, Perak which is located in the UNESCO Heritage Site. The Cytochrome c oxidase subunit 1 (COI) marker was used in this project to ensure that native fishes were taxonomically and molecularly barcoded and ready to be accessible through internet databases. Such public references can aid in raising awareness about the management of local fish variety. Taxonomy and molecular characterization data can be utilized to plan future conservation efforts, particularly for depleted, unknown, or cryptic native species.
Molecular assessment of native fish diversity in UNESCO heritage site, Tasik Raban, Malaysia using DNA barcoding: DNA Barcoding of Native Fishes in Tasik Raban, Malaysia Ramizah Abdull Rahman; Adibah Abu Bakar; Nurul Fizatul Nabilah Osman; Syazwan Saidin; Intan Faraha A. Ghani
Tropical Genetics Vol. 1 No. 2 (2021)
Publisher : Genetikawan Muda Indonesia

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

Abstract

Despite the fact that freshwater fishes have been studied for over a century, Malaysia's conservation status and management are still in their infancy. The poor progress of freshwater fish taxonomy and conservatory management is primarily due to a lack of interest and funding. There are still numerous unsolved taxonomic issues of freshwater fishes in Malaysia and this had a negative impact on national ichthyological research. As a result, the current research aims to aid the success of the molecular DNA barcode project, particularly in inland reservoirs such as Tasik Raban, Perak which is located in the UNESCO Heritage Site. The Cytochrome c oxidase subunit 1 (COI) marker was used in this project to ensure that native fishes were taxonomically and molecularly barcoded and ready to be accessible through internet databases. Such public references can aid in raising awareness about the management of local fish variety. Taxonomy and molecular characterization data can be utilized to plan future conservation efforts, particularly for depleted, unknown, or cryptic native species.
PhyFizball: a game-based tool to enhance student’s understanding of force and motion Muhammad Alfi Yusra Jalani; Adibah Abu Bakar; Syazwan Saidin
International Journal of Advances in Applied Sciences Vol 15, No 2: June 2026
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijaas.v15.i2.pp573-582

Abstract

Difficulties in understanding the concepts of force and motion continue to challenge secondary school students due to the abstract nature of physics and the limited use of interactive teaching methods. This study introduces PhyFizball, a pinball-inspired, low-cost game-based learning (GBL) tool designed to make physics learning more engaging and concrete. The tool aims to help students visualize fundamental concepts such as Newton’s laws, friction, and the relationship between force and motion through hands-on and collaborative gameplay. A quasi-experimental pretest–posttest control group design was employed with 30 form two students from a Malaysian secondary school, divided equally into experimental (n =15) and control (n =15) groups. Over four weeks, the experimental group learned using PhyFizball, while the control group received conventional lecture-based instruction. A validated conceptual understanding test was administered before and after the intervention. Results from paired and independent t-tests revealed that the experimental group achieved significantly higher post-test scores than the control group (t(28) =3.282, p =0.003). The findings confirm that PhyFizball effectively enhances students’ conceptual understanding and engagement in learning physics. Its accessible design demonstrates potential as a cost-effective and scalable teaching tool for improving science learning outcomes in secondary education.
Co-Authors Intan Faraha A. Ghani Muhammad Alfi Yusra Jalani Nurul Fizatul Nabilah Osman Ramizah Abdull Rahman Syazwan Saidin Syazwan Saidin