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Gustina Indriati
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PENERAPAN MODEL PEMBELAJARAN KOOPERATIF TIPE TWO STAY TWO STRAY DISERTAI LDS UNTUK MENINGKATKAN HASIL BELAJAR BIOLOGI SISWA KELAS VIII DI SMPN 9 PADANG TAHUN PELAJARAN 2012/2013 Naini, Iis; Indriati, Gustina; Sari, Liza Yulia
Pendidikan Biologi Vol 2, No 2 (2013): Jurnal Mahasiswa Pendidikan Biologi Genap 2013-2014
Publisher : STKIP PGRI Sumbar

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ABSTRACT This researchs motivated  by the lack results of  biological studies due to several factors , including  the lack of communication with the student teacher and student fellow students in the learning process ,  activity and motivation of students in the learning process of biological remains low . Could be also be caused by a lack of variation in the use of teacher learning model that students feel bored in participating in the learning process and students lack of understanding of the subject matter. This study aimed to examine the effect of the application of cooperative learning model two stay two stray accompanied by LDS at 9 Champaign Junior High School eighth grade academic year 2012/2013. This type of research is experimental,  with the entire population of class VIII SMP 9 Padang. Sampling was done by purposive sampling. The term of the tests used in the study is multiple choice. From the research shows that the average value of the experimental class higher than the ave rage value of the control class. In the experimental class average value of  75.81 while the control class had an average value of  61,57. From the analysis of the` data obtained while tcount 5,15,  ttable=1,67  thus tcount  > t table which means that the hypothesis is accepted at the 95% confidencelevel ( α = 0,05 ). It can be concluded that cooperative learning model two stay two stray can improve student learning outcomes Junior High School eighth grade 9 academic year Padang2012/2013 .     
UJI BAKTERIOLOGIS PADA AIR SUMUR WARGA DI KELURAHAN BATUANG TABA NAN XX KECAMATAN LUBUK BEGALUNG KOTA PADANG Kurniawati, Rina Afrida; Indriati, Gustina; Wati, Meliya
Pendidikan Biologi Vol 2, No 2 (2013): Jurnal Mahasiswa Pendidikan Biologi Genap 2013-2014
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ABSTRAK Well water used residents to still questionable quality as the distanced between saptic tanks, livestock barns, wells river with less than 10 maters and the well being around the environment that a lot of junk. Well water is very susceptible to bacterial contamination and an bacterial contamination and an issue that needs attention because residents use well water as a source of drinking water. Bacterial contamination can cause various diseases, one if which diare. According   to   the   Keputusan   Menteri   Kesehatan   (KepMenKes)   RI   No.492/Menkes/PER/IV/2010 about drinking water quality requirements have value MPN E. coli sel/100 mL. This study aims to determine the water quality of wells in  Kelurahan  Batuang Taba Nan  XX Kecamatan  Lubuk  Begalung of Padang States  from  the  aspects  of  baketriologis.  This  study  conducted  from  July  to August 2013 held the Laboratory of Basic Biology STKIP PGRI West Sumatera. This research is descriptive study sampling is Proposive Sampling of 8 wells based on the distance of less than 10 maters of pollution sources. This study uses the   Most   Probable   Number   (NPM)   using   two-stage   trial   the   prediction (Presumtive Test) and test or certainty (Confirmative Test) with a combination of3:3:3. Based on the research conducted showed that the well water contaminatedwith Escherichia coli positive citizens with amounts ranging from 1100 to >2400 sel/100 mL, the water category, including poor water quality, does not meet clean water standards and is not suitable for consumption as drinking water. 
PENGARUH EKSTRAK SAMBILOTO (Andographis paniculata Nees.) TERHADAP HEMATOKRIT MENCIT (Mus musculus L.) SWISS WEBSTER eliza, Deni; Sumarmin, Ramadhan; Indriati, Gustina
Pendidikan Biologi Vol 2, No 2 (2013): Jurnal Mahasiswa Pendidikan Biologi Genap 2013-2014
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ABSTRACTBitter (Androgrhaphis paniculata Nees.) used as a medicinal plant, has a chemical content usefull to the body. One of the active compounds of bitter is andrographolide serves as Immunomodulatory which may affect  to the number of erythrocytes mice. To determine the value of erythrocytes can be seen hematocrit. This research has conducted at Padang State University to determine the effect of extracts of bitter (Andrographis paniculata Nees.) to hematocrit mice (Mus musculus L.) Swiss Webster. This study was conducted in July-August 2013 in the Laboratory of Zoology Department of Biology , Padang State University. This research used Completely Randomized Design (CRD) with 4 treatments 6 replications. The dose were given A = 0 g/mice/day, B = 0.2 g/mice/day, C = 0.4 g/mice/ day, and D = 0.6 g/ mice/day. In this study used male mice (Mus musculus L.) Swiss Webste aged 11-12 weeks. Hematocrit was determined by Microhematocrit. Taking blood by cutting edge mice, aspirated by using a micro hematocrit, then centrifuged at 20,000 rpm. After it looking to the graph. Data were analyzed ANOVA (Analysis of Variance) at level α of 5%. The test results obtained F value 3.79 while the F table 3.10, F count > F 3.10 and conducted further tests with DNMRT (Ducan New Multiple Range Test). Results showed the extract bitter (Andrographis paniculata Nees.) Significantly affected the hematocrit value to mice (Mus musculus L.). In the B (0.2 g/mice/ day)  treatment increased hematocrit, while the enhanced dose treatment C (0.4 g/mice/ day)   and D (0.4 g/mice/ day) there is a decrease, but still above normal (control). It can be concluded that the extract of bitter (Andrographis paniculata Nees.) can increase the hematocrit mice (Mus musculus L.) Swiss Webster. 
KOMPOSISI KUMBANG TINJA (DUNG BEETLES) DI PERKEBUNAN KELAPA SAWIT (Elaeis guineensis Jacq.) RAKYAT DI KANAGARIAN KUNANGAN PARIK RANTANG KABUPATEN SIJUNJUNG Wati, Tri Ambar; Dahelmi, Dahelmi; Indriati, Gustina
Pendidikan Biologi Vol 2, No 2 (2013): Jurnal Mahasiswa Pendidikan Biologi Genap 2013-2014
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ABSTRACT Dung Beetles is group member of Coleoptera that known as Scarab beetles. Dung Beetles have important role in ecosystem as biological control. This study was conducted from   March to May 2013 at Oil Palm   Plantation, Parik Rantang, Sijunjung District. The aim of this study is to know dung beetles composition and abiotic factor in Oil Palm Plantation (Elaeis guineensis Jacq.). This study was done by using Pitfall Traps/ Dung Traps method. In this study, four species of dung beetle that belonging to one genus (Onthophagus) and one   subfamily (Scarabaeineae). The number of dung beetle was high in  Onthophagus seniculus (280 individuals) and low in Onthophagus australis (5 individuals). Mean density relative and relative frequency were higher in    Onthophagus seniculus (67,4% and 37,2%) and which lower is Onthophagus australis (1,6% and 7,4%). Soiltemperature, air temperature, soil water content and air humidity were 23,90C,23,4% and 55,3%, respectively.  
Pengaruh Ekstrak Kulit Batang Angsana (Pterocarpus indicus Willd.) Terhadap Kualitas Sperma Epididimis Mencit (Mus musculus L. Swiss Webster) Dona, Fitria; Sumarmin, Ramadhan; Indriati, Gustina
Pendidikan Biologi Vol 1, No 1 (2014)
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Abstract: This study aims to determine the effect of bark extract (Pterocarpus indicus Willd.) on the quality of epididymal mice spermatozoa (Mus musculus L. Swiss Webster). This experiment used a Completely Randomized Design (CRD) consisting of 3 treatments and 9 replications. K is the control with no treament and bark extract. Treatment of P1 and P2 are given treament  bark extract orally for 35 days at dosages of 0,1gr/b.w and 0,2 gr/ b.w, After treament the mice decapitatied and surgical the epididymal taken to count the number of sperm with Improved Neubauer method for calculating and used Eosin staining of normal and abnormal spermatozoa. Data were analyzed by ANOVA (Analysis Of Varians) and followed DNMRT. The result showed the average number of spermatozoa P2 is 56.38 × 105 significantly different (p < 0.05) compared to P1 54.05 × 105 and K48.22 × 105. While the average number of abnormal spermatozoa in K 12.27 × 105 and P1 23.33 × 105 and P227.94 × 105. It can be concluded that the bark extract given orally for 35 days can reduce the quality of sperm and increase abnormal of sperm.
Pengaruh Ekstrak Kulit Batang Angsana (Pterocarpus indicus Willd.) Terhadap Fertilitas Mencit (Mus musculus L. Swiss Webster) Jantan Secara In Vivo. Lenggo Geni, Wismi; Sumarmin, Ramadhan; Indriati, Gustina
Pendidikan Biologi Vol 1, No 1 (2014)
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 Abstract: This study aims to determine the effect of bark extracts (Pterocarpus indicus Willd.) on mice fertility (Mus musculus L. Swiss Webster) males. This study used a CRD (Completely Randomized Design) with the use of test animals (male mice) of3 treatments each treatment consisted of 9 adult mice were given food and drink are adlibitium. K treatment without any extract angsana, treatme nts P1 and P2 is the treatment given   angsana extract orally for 36 days with a doseges of 0,1 gr/ b.w and 0,2 gr/ b.w. after granting the extract angsana mating test on each test animal treatment using 1 male mice with female mice 5 to see the number of succesful female mice pregnant. The data analyzed by ANOVA (Analysis Of Varians) and continued with LSD. The results bowed the number of moting female mice 2,8 K. An average P1 of 2,6 and P2 2,4. The number of pregnant female mice were successful average K 2,6, average P1 2.0 and P2 1.2. It can be concluded that the extract of the stem bark of angsana (Pterocarpus indicus Willd.) were given orally for 36 days affects the fertility of mice (Mus musculus L. Swiss Webster) males. 
PENGEMBANGAN HANDOUT BIOLOGI BERBASIS PENDEKATAN SPIRITUAL PADA MATERI SISTEM REPRODUKSI MANUSIA UNTUK MTsN Fadri, Rahmira; Indriati, Gustina; Fadilah, Muhyiatul
Pendidikan Biologi Vol 1, No 1 (2014)
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ABSTRACT Biology instructional materials used by students MTsN Batukambing is textbook. The use of textbooks is not optimaly to assist students in learning, because textbooks loaned from the school library and only be used in the learning process at school. As a result, students find it difficult to learn the lessons at home. In addition, book is less attractive, the images presented in black and white, and not integrated with religious education. In learning about human reproductive system material students tend not focus and think negatively. It is needed a spiritual approach in textbook by integrated in to subject matter with religious education. To assist students in the learning process it is needed to develop teaching materials in the form of handouts. This study aims to determine the validity and practicality handouts spiritual approach based on biological material of human reproductive system to MTsN. This is the development research use 4D models consists of4 stages, define, design, develop and disseminate, but this study is limited to develop stages. This type of research data is the primary data consists of the results of the validity and practicality. This study was conducted on 3 April 2014 at MTsN Batukambing. Validity testing results that this handout is very valid criteria with an average value of 90.15 %. Practicality testing by teacher informed  that  this  handout  is  practical  criteria  with  an  average  value  of  80.67  %  and  the practicality of testing by students informed that this handout is very practical criteria with an average value of 90.61 %. It can be concluded that the handouts biology based spiritual approach in human reproductive system in MTsN produced very valid and very practical . 
PENGEMBANGAN LEMBAR KERJA SISWA BERBASIS LEARNING CYCLE 5-E DILENGKAPI PETA KONSEP PADA MATERI SISTEM PENCERNAAN MANUSIA UNTUK SMP Nilawati,, Nilawati,; Indriati, Gustina; Nerita, S.Pd, M.Pd, Siska
Pendidikan Biologi Vol 1, No 1 (2014)
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ABSTRACT Worksheet in the school is not suitable yet with learning cycle target. Worksheet which used in the school can help teacher  in learning process but not allof student use it, they is not intresting with it. Some of students are not understand the material.  In learning process is needed suitable media and teaching material. One of  teaching materials that can  use is worksheet. This research  aim  to produce worksheet based learning cycle 5-E completed mind map at human digestyfus system at junior high school and produce valid and   pratical   worksheet. This research is development research  which  uses  4-D  models  and  consist  of  4  stages  are  define,  design,  develop  and disseminate but in this research disseminat is not used. Kinds of the research is  primer data that consist validation result and practicality. The tes result of validity of students worksheet based learning cycle 5-E complete mind map by validator show that this  worksheet is very valid with main score is 89,20% . the test of result practicality of students worksheet based learning cycle 5 -E complete with mind maping by teacher show that this worksheet at practical criteria with main score 89,20% and then the test result of practicality that done by students show that the students worksheet at   practical criteria   with main score   91,25%. So that, can be concluded students worksheet based learning cycle 5-E at human digestyfus system is very valid and very practical. 
UJI BAKTERIOLOGIS SERAI GILING (Andropogon nardus L.) YANG DIJUAL DI PASAR RAYA KOTA PADANG Ika Putri, Roza; Periadnadi, Periadnadi; Indriati, Gustina
Pendidikan Biologi Vol 1, No 1 (2014)
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ABSTRACTOne of food matherial which can cause problem in food safety is grinded spice, grindedspice used by restaurant and house wife who do not have much   time to grind the fresh spice, morever it is needed in great quantity, one of them is grindedlemon gress. The research is aimed to test bacteriolgically of the grindedlemon grass (Andropogon nardus L.) which sold at traditional market of Padang City. The research was doing on July 2013 in Microbiology Laboratoy of Depatment of Biology, the Faculty of Mathematcs and Natural Sciences Andalas University. This research done by using descriptive method, the samples were purchased randomly purchased in the market and wereexamined for the presence of E.coli and other Coliform bacteria. The bacteriology test consisted of  Presumtive test, Comfirmed test,   and Completed test by determining of Most Probable Number (MPN)of 5:1:1 dilution serial.the result showed that the samples contained the hishest total bacteriaof  135x 107 /g found by samples D and the lowest total bacteria of  63x 107/gfound by the samples B.Fife of seven7 samples were positve contained E.coli, while the otheswere positive colifom. Due to the result of the study, the samples of grinded lemon gress sold in the traditional market of padang are no yet eligible to be consumed.
PENGARUH EKSTRAK KULIT BUAH MANGGIS (Garcinia mangostana L.) TERHADAP KEMAMPUAN KAWIN MENCIT JANTAN (Mus musculus L. Swiss Webster) Lumban Toruan, Juni Asmi; Sumarmin, Ramadhan; Indriati, Gustina
Pendidikan Biologi Vol 1, No 1 (2014)
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ABSTRACT Mangosteen ( Garcinia mangostana L. ) is one of tradisional medicine contains mangostin soul. Mangostin has effect to prevent cell division ( cytokinesis ). This research to determine the effect of extracts of mangosteen ( Garcinia mangostana L. ) on the mating ability of male mice ( Mus musculus L. Swiss Webster). This research use the male mice ( Mus musculus L.) by 4 treatment and 6 repetition. Treatment that is given is an extract of mangosteen with various dose are: treatment 1 is an control, treatment II, III, and IV are the treatments which are given the extract of mangosteen orally during 36 days with a dose of   0.2, 04 and 0.6 g / head / day. After the administration of mangosteen extract , mating ability test on each test 1 male mated with 5 female mice to see the amount of   intromision, the number of female mice pregnant female mice. The analyzed using ANOVA ( Analysis of Variance ) and then continue test with LSD test at α level of5%. The result showed an average movement of the control is 14,66 intromisi not significanty different from treatment A is 13,83 and decine intromisi movement occurs on treatment B with an average of 6,5 and an average of 5,66 C treatment. For the number of female mice in mamage to male mice in each treatment was not significanty different compared with controls mared each 2 tail. While the number of oregnant  female mice were successful, namely 2,33 in control and not significanty different  from treatment  A  with  an  average  of  2,00,  a  decrease in  the  average treatment B and C average 1,33 and 1,00 It can be concluded that the extract of mangosteen (Garcinia mangostana L.) were administered orally for 36 days at a does of o 0,4 g /head /day did not affect mating mice but decrease the number of pregnant female mice.
Co-Authors Amein Lusi Zeswita Annika Maizeli Armein Lusi Armein Lusi Zeswita Armen Armen Azwir Anhar Chandra, Yasrial Dahelmi Dahelmi Dahlia rahmi Damerita Sakaleak Deni eliza Des M Dezi Handayani Diana Rahmadani Diana Susanti Dwi Hilda Putri Eka Vidya Putra Elida Handriani EVRIALIANI ROSBA, EVRIALIANI Eza Gusrianti Fika Wulandari Fitri Wulandari Fitria Dona Fitria Nelda Zulita Friska Eka Fitria Helpida Helpida Hendrika Milta Sari Henny Herwina Iis Naini Ika Aryani Indra Madani Intan Rahma Putri Irdawati Irdawati Irma Lailani Eka Putri Jasmi Jasmi Jasmi Juni Asmi Lumban Toruan Liza Yulia Sari Mades Fifendy Megahati S, Ruth Rize Paas Meliya Wati Melsi Pratiwi Yusni Mely, Tyara Jayus Misnawati Misnawati Muhyiatul Fadilah Nilawati, Nilawati, Nora Harsinta Nugroho Susanto Nurhuda, Pradicta Nurlaila Sitepu Nurmiati Nurmiati Nurul Fauziah Pardede, Ertha Meita Parwito Parwito, Parwito Periadnadi Periadnadi Prima Nanda Putri, Rini Eka Rahmira Fadri Ramadhan Sumarmin Renny Risdawati Ria Kasmeri Rina Afrida Kurniawati RINA M.Si WIDIANA S.Si Rizki Rizki Roza Ika Putri Ruth Rize pAAS Megahati S Ruth Rize Paas Megahati S., Ruth Rize Paas Sefria Dewidna Selaras, Ganda Hijrah Septi Marlina SETIAWAN, PANDU Siska Amelya Siska Nerita Sudirman Sudirman Sutra, Bunga Swandi Sakerengan Syamsiar, Syamsiar Tri Ambar Wati Tyara Jayus Mely Waldani, Dina Wella Antika Weni Murdina Wenny Murdina Asih Weny Murdina Wismi Lenggo Geni Yanti, Dilla Nurvivi Yeni Herlina Yenni Herlina Yosi Yolanda Yosmet Hidayat Yuliarman Saragih