Biology is one of the subjects that is not only delivered through theory and practical activities. As we know, learning biology is inseparable from practical activities, both in the laboratory and in nature. This practicum activity aims to make the material presented more easily understood and can instill and develop scientific skills, attitudes, and values to students. This study aims to produ…
This research was conducted to develop a guided inquiry-based practicum guidebook for teachers in teaching biology at the first year of senior high school students. It was conducted in october 2020 to december 2021. The model used in this research is a ADDIE model. Model consists of 5 (five) stages, namely analysis, design, development, implementation and evaluation. This research was carri…
This study aims to improve the critical thinking skills of students in class X IPA.1 SMA Negeri 1 Sabak Auh through the implementation of student worksheets based on problem based learning. This research method is Classroom Action Research which is carried out in 2 cycles. Each cycle consists of the planning stage, the implementation stage, the observation stage and the reflection stage. The re…
The 21st century generation is faced with technological advances in the digital world. According to the Regulation of the Minister of Education and Culture Number 22 of 2016, on the standard of the learning process it is necessary to use technology, information and communication in the form of learning media to deliver subject matter. Meanwhile, technological advances do not rule out the possib…
The existence and diversity of vegetation is one of the determinants of biodiversity and the quality of an ecosystem. The difficulty of finding natural ecosystems in urban areas does not eliminate the opportunity for students to get to know diversity. The built ecosystem can still provide an overview of diversity. This study aims to analyze the qualitative and quantitative parameters of ve…
Practicum are required in biological learning to achieve learning goals. The implementation of practicum has several obstacles, one of which during the current pandemic cannot be implemented directly in schools. Therefore, innovation is needed in the learning media to support the implementation of practicums, namely video tutorials. This research aims to develop field practicum tutorial videos …
The purpose of the study was to determine the level of self-efficacy, differences in self-efficacy based on gender, the relationship between selfefficacy and the Grade Point Average, and the relationship between selfefficacy and the level of the year of lectures for Biology Education students, FKIP University of Riau in online learning. To achieve these objectives, this study used a descri…
Tenayan Raya is a district with the highest spreading and prevalence of Dengue Hemorrhagic Fever (DHF) in Pekanbaru from 2016 to 2020. This study aimed to determine the relationship between Culicidae diversity and DHF in Tenayan Raya District. The sampling was taken at 130 locations by using the purposive sampling technique. This study combined two data sources. The primary data was the id…
Mung bean (Vigna radiata L.) in Riau has decreased production every year, thus causing the productivity of mung bean is still relatively low. One of the efforts that can be done to increase the production of green beans is by using gamma rays. Since 2013, the results of gamma ray radiation have been evaluated by phenotype until the sixth generation and show an increase in the number of pod…
Ureolytic bacteria are microorganisms that can produce urease enzymes and precipitate calcium carbonate. Calcium carbonate is used as a self-healing concrete agent, concrete construction material and bioremediation. This study aims to determine calcium carbonate production from ureolytic bacteria, with isolate SP. 32, SP. 34, SP. 48, SP. 83, and SP. 84 based on growth phase and calcium car…
Herbal plants can be used as a treatment option, including for the treatment of kidney disease. Giving herbal medicine such as celery is an alternative healing treatment that is more natural and safe. This study aims to determine the effect of giving celery extract in repairing damage to kidney cells of white rats induced by aspirin. This study used a completely randomized design (CRD) con…
Avocado (Persea americana mill) has been widely used by the public as herbal medicine, especially to bind free radicals that enter the body. This study aimed to analyze the effect of avocado (Persea Americana) juice in repairing alloxan-induced kidney cell damage in Rattus novergicus rats. The research method used in this study is an experimental method with a completely randomized design. …
DNA barcode is a technique using short and standardized sequences of DNA which aims to speed up and simplify the process of identifying a species. This study used DNA barcodes from the matK gene to analyze the DNA barcode sequences of sour eggplant originating from Kampar. Sour eggplant is one of the plants of the genus Solanum, totaling about 1.400 species distributed in tropical and subt…
Bamboo belongs to the Poaceae (grass) family, also called giant grass. One area where there is no information related to bamboo vegetation analysis is Pangean District, Kuantan Singingi Regency, Riau Province. The topography of Pangean District is flat and hilly with a height of about 65 meters above sea level. The type of soil in Pangean District in the top layer is loose black and the bot…
Cats are carnivorous animals that have been domesticated and become one of the pets, especially for the people in Siak, Riau Province. Lack of good care causes cats to become infected with ectoparasites, one of whichis ectoparasites that can be transmitted to humans (zoonotic). A total of 168 cats examined 38 of them were infected with ectoparasites. The ectoparasites found were then ident…
The Sail River and Kampar Kiri River have different ecosystem characteristics that affect the growth of fish living in those area. The growth pattern may be reflected in the otolith’s growth ring pattern. This research aimed to understand the growth pattern present in the otolith of Notopters notopterus. The fish was captured using a cast net and fishing nets. Fifty five fishes were capt…
This study aims to determine the potential of the handout design in class XII high school learning conventional biotechnology materials. This research was conducted at the Binawidya Campus, Riau University in September - November 2020. The design of this study used the ADDIE model, namely the analysis, design and development stages. Handout design in the form of an analysis of the potential…
The liver is the main site of drug metabolism which is also known as biotransformation. Any liver disorder can hinder normal body functions. Liver cell damage can be caused, among others, by drugs, viruses, and various other chemical compounds that have hepatotoxic power. This study aims to determine liver improvement by presenting a natural extract of celery (Apium graveolens L.) to the h…
Sansevieria trifasciata is a decorative plant and has a great interest because it can absorb more than 107 elements of harmful pollutants. Sanseviera spp is one of the world’s export plants. This plant is often infected by anthracnose disease caused by Colletotrichum sanseviera. Disease control using intensive chemical fungicides will harm the environment and humans. Endophytic Trichoderm…
The degradation of coastal habitats into settlements, recreation areas or others has increased the threat of the existence of mangrove horseshoe crab (Carcinoscorpius rotundicauda), especially on the north coast of Rangsang Island. The aims of this study were: to determine the distribution pattern of mangrove horseshoe crab; characterizing the biotic and abiotic factors of the mangrove hors…