tag:blogger.com,1999:blog-13275048311594588382011-07-07T13:10:44.401-07:00asiyah biologi zonahttp://www.blogger.com/profile/01893900388733222140noreply@blogger.comBlogger31100tag:blogger.com,1999:blog-1327504831159458838.post-12076883747396784422008-09-12T00:35:00.001-07:002008-09-12T01:23:17.042-07:00Soal Essay :<br />1. Suatu penelitian berjudul:"Pengaruh ekstrak air perasan rizoma rumput teki terhadap<br /> pertumbuhan kacang tanah".Tentukan:<br /> a. latar belakang masalah<br /> b. rumusan masalah<br /> c. hipotesa alternatif<br /> d. Variabel bebas, variabel kontrol, variabel terikat.<br /> e. tujuan penelitian<br />2. Latar belakang masalah suatu penelitian:<br /> "Palem merupakan salah satu tumbuhan yang sulit dikembangbiakkan melalui biji.Kesulitan<br /> terutama pada proses perkecambahan. Giberelin bersifat asam dan dinamakan GA dan yang<br /> sering digunakan GA3 yang berfungsi menghilangkan dormansi untuk memacu<br /> perkecambahan".Berdasarkan latar belakang tersebut tentukan:<br /> a. rumusan masalah<br /> b. hipotesa alternatif<br /> c. variabel penelitian(kontrol, bebas, tergantung)<br /> d. Judul penelitian<br /> e. tujuan penelitian<br />3. Jelaskan pengaruh cahaya terhadap hormon auksin hubungannya dengan pertumbuhan<br /> tanaman!<br />4. Seorang siswa menyemaikan biji kacang hijau dan meletakkannya dalam kamar yang gelap<br /> agar tidak terkena cahaya.Gejala apakah yang terjadi pada tanaman tersebut?Jelaskan!<br />5. Jelaskan perbedaan pertumbuhan dan perkembangan!<br />6. Biji yang diletakkan di tempat yang lembab dan berair akan berkecambah.Perkecambahan<br /> pada tanaman dikotil dibedakan menjadi dua tipe.Sebutkan dan jelaskan,masing-masing<br /> tipe berilah gambar!<br />7. Pada tumbuhan dikenal adanya pertumbuhan primer dan sekunder.Identifikasikan<br /> perbedaan dilihat dari tempat terjadinya,sebab,dan hasilnya!<br />8. Kecepatan pertumbuhan tanaman dipengaruhi oleh dua faktor, sebutkan dan jelaskan,<br /> masing-masing berilah tiga contoh!<br />9. Hormon yang berpengaruh pada tanaman:<br /> a.Pada musim kemarau pohon jati menggugurkan daunnya,gejala ini dipengaruhi hormon ....<br /> b.Apabila tanaman terluka,hormon yang berperan memperbaiki luka adalah ....<br /> c.Hormon yang merangsang pembentukan bunga adalah ....<br /> d.Buah pisang yang dipetik sebelum masak dan disimpan ternyata beberapa hari masak.<br /> Hormon yang mempengaruhi pemasakan buah adalah ....<br /> e.Hormon yang merangsang pembentukan tunas lateral pada batang dikotil dan kalus adalah<br />10.Jelaskan fungsi hormon auksin, giberelin, sitokinin!<br />11. Gambar bagian biji dikotil(biji kacang tanah) dan biji monokotil(jagung)!<br />12. Gambarlah daerah pertumbuhan ujung akar dan jelaskan bagian-bagiannya!<br />13. Jelaskan proses terjadinya lingkaran tahun pada batang dikotil!<br />14. Gambarlah kurva pertumbuhan dan perkembangan tumbuhan. Jelaskan masing-masing<br /> fase!<br />15. Jelaskan fungsi air pada proses perkecambahan!<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/1327504831159458838-1207688374739678442?l=asiyahbiollogizona.blogspot.com' alt='' /></div>asiyah biologi zonahttp://www.blogger.com/profile/01893900388733222140noreply@blogger.com1tag:blogger.com,1999:blog-1327504831159458838.post-9512630109835156632008-09-07T19:08:00.000-07:002008-09-07T20:46:15.967-07:00QUESTIONS:<br />1. Explain the components of enzyme!<br />2. Explain the procedure of enzyme!<br />3. Explain the connection between temperature with enzyme activity and draw the graphic!<br />4. Explain the characteristic of enzyme about:<br /> a. Enzyme as biocatalisator<br /> b. Procedure of enzyme is specific<br /> c. Procedure of enzyme is irreversible<br />5. How do inhibitors disturb the procedure of enzyme.<br /> Explain three kinds of enzyme inhibitor.<br />6. If aerobic respiration need three molecules glucose.<br /> a. Write the reactions about:<br /> - glycolysis<br /> - oxidative decarboxilase<br /> - the citric acid cycle<br /> - electron transport chain<br /> b. Calculate the result of reaction about ATP,CO2 and electron acceptor.<br /> c. Write the place of the each reaction.<br />7. In aerobic respiration:<br /> a.The last electron acceptor is ....<br /> b.The level of respiration process the most produce ATP is ....<br /> c. The reaction to produce CO2 are ....<br /> d. Before the citric acid cycle can begin, piruvate must first be converted to ....<br />8. The essential components of photosynthesis are divided into five components.<br /> Mention and explain it!<br />9. Explain the function of chlorophyle and light in photosynthesis process.<br />10.Photosynthesis occurs in two stages,there are the light reaction and the Calvin cycle.<br /> Explain about:<br /> a. The place where the processes happened.<br /> b. The mechanism of the reactions.<br /> c. The result of each phase.<br />11.Make a table of differentiation between photosynthesis and chemosynthesis!<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/1327504831159458838-951263010983515663?l=asiyahbiollogizona.blogspot.com' alt='' /></div>asiyah biologi zonahttp://www.blogger.com/profile/01893900388733222140noreply@blogger.com4tag:blogger.com,1999:blog-1327504831159458838.post-57566530538843888652008-09-06T19:22:00.000-07:002008-09-06T20:10:44.396-07:00In general,the respiration always use free oxygen. But,some cells or organisms for the examples fungi and bacteria can breathe do not use free oxygen,and use piruvate acid or acetaldehide as hidrogen aceptor.This respiration is called anaerobic respiration.This analyzing process is called fermentation.<br />The fermentation is divided into two kinds:<br /> 1. Alcohol fermentation<br /> The kinds of organisms are bacteria and khamir.<br /> This fermentation piruvat acid will be changed to alcohol,carbon dioxide and energy.<br /> 2. Lactat acid fermentation<br /> The kinds of organisms are animals and lactat bacteria.<br /> This fermentation piruvat acid will be changed to lactat acid and energy.<br />Anaerobic respiration happen at:<br /> 1. The tissue which less of oxygen.For example muscle tissue ,when run fast or muscle<br /> contraction is very strong.<br /> 2. The root plants which is in the water.<br /> 3. The seeds which thickintegument can not inter oxygen.<br /> 4. The khamir and anaerobic bacteri.<br />The raw materials of anaerobic respiration are:glukose,galactose,fructose and manose. Alcohol which has characteristic toxcid for khamir and khamir only resistent toward alcohol 9 - 10 %,if it is more stoped.<br />Anaerobic respirasi there are:<br /> 1. It does not use free oxygen.<br /> 2. To use piruvate acid or acetaldehide as hydrogen aceptor.<br /> 3. To produce lactat acid or alcohol.<br /> 4. It is done the tissue which less oxygen.<br /> 5. Two mol ATP = 21 kkal produse only.<br /> 6. The steps of reaction is more simple.<br /><br />Questions:<br /> 1. What is anaerobic respiration?<br /> 2. Where is anaerobic respiration happen?<br /> 3. Make a table differentiate between lactat fermentation and alcohol fermentation.<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/1327504831159458838-5756653053884388865?l=asiyahbiollogizona.blogspot.com' alt='' /></div>asiyah biologi zonahttp://www.blogger.com/profile/01893900388733222140noreply@blogger.com1