Phylogenetic tree constructed using darwin formed three groups. Kevan pg, hussein ny, hussey n, wahid mb 1986 modelling the use of elaeidobius kamerunicus for pollination of oil palm. Subjects agricultural science, biodiversity, conservation biology, ecology. Energy and enzymes 7 photosynthesis 8 cellular respiration unit 2 genetic basis of life 9 the cell cycle and cellular reproduction 10. The effects of elaeidobius kamerunicus faust on rat.
Biology of elaeidobius kamerunicus and elaeidobius plagiatus coleoptera. This book is aimed at guiding and enhancing understanding of biology content and developing the skills of learners at lower secondary school level for sustainable education and economic development. Biology of elaeidobius kamerunicus and elaeidobius. Weevil population density varies between localities and times of the year depending on certain extrinsic and intrinsic factors. The second is the cape diploma, awarded to candidates who have satisfactorily completed at least six units, including caribbean studies. Generalized linear models relating species richness and. The books cover the areas of botany, zoology, evolutionary biology, genetics, bioinformatics, neuroscience, cell biology, biochemistry and much more. Pdf modelling the use of elaeidobius kamerunicus for pollination. Yeild of fresh fruit bunches was increased following the introduction. Nematoda is described from oil palm flowers elaeis guineensis jacquin and from the under surface of the elytra of the oil palm weevil, elaeidobius kamerunicus faust coleoptera. The population of elaeidobius kamerunicus faust and its aggressiveness have been on a decline in indonesia in recent years. The first is the award of a certificate showing each cape unit completed.
Brian remembers a love for science going back to his own ap biology high school class. The egg, larval, pupal and adult survivorship, and the fertility of adults of elaeidobius kamerunicus, a pollinator of oil palm, were measured under laboratory and field conditions in malaysia. Biological research division biological research division. The influence of elaeidobius kamerunicus on the yield pattern of elaeis guineensis at bukit sentang estate, north sumatra, indonesia. Biology of elaeidobius kamerunicus and elaeidobius plagiatus. Meiosis kimberleigh lewis biology 140863400 consider the concepts experiment.
The authors who are all either chief examiners or examiners, have prepared answers and a full mark scheme for each of the questions. Pollination activity of elaeidobius kamerunicus coleoptera. This introduction had increased the oil palm yield production. Palms 2010, biology of the palm family abstracts books. Full text of british journal of entomology and natural. Thrips hawaiiensis an overview sciencedirect topics. Elaeis guineensis is a species of palm commonly just called oil palm, but also sometimes african oil palm or macawfat.
Jingtair siriphanich, in postharvest biology and technology of tropical and subtropical fruits. Embraced by cambridge international examinations and completely supporting the prerequisites of the most recent cambridge international as and a level biology syllabus 9700 for first examination in 2016, this coursebook thoroughly covers all the learning and aptitudes understudies require amid this course. Wahyuningtyas1, nurindah2, bandung sahari3 and yann clough4. Because of logistical difficulties and high costs, many schools in devel. Click on the underlined items to go to those chapters. Effects of metarhizium anisopliae on oryctes rhinoceros at 3 months after treatment. Curculionidae and its impact on fruitset of oil palm elaeis guineensis in india. Accordingly biology has been divided into two branches.
Conceptions of the nature of biology held by senior. Hatch and carry technique was developed to solve this problem. Prior to the introduction, pollination was by wind and thrips thrips hawaiiensis, which were less efficient. Biology textbooks free homework help and answers slader.
Elaeidobius kamerunicus is a wellknown insect pollinator of oil palm. In vitro susceptibility test of different clinical. Elaeidobius kamerunicus is the main insect pollinator of oil palm and was first introduced to malaysia in the year of 1980s. The weevil population peaked on the 3rd day of anthesis on male.
At the university of san diego, brian majored in biology and minored in chemistry, with a premed emphasis. Meiosis i is the division immediately following dna replication and replication does not occur again before meiosis ii. From reproduction to respiration and enzymes to ecosystems, this guide makes complex topics easy to grasp at a glance. Welcome to an online biology book table of contents. The effects of elaeidobius kamerunicus faust on rat control programmes of oil palm estates in malaysia porim occasional paper. Learners should follow the biology curriculum content and use the book to. Curculionidae, with a synopsis of the family cylindrocorporidae and establishment of longibuccidae n.
Singer, susan publisher mcgrawhill education isbn 97812591888. Palms 2010 biology of the palm family international symposium 57 may 2010 le corum montpellier, france abstracts book edited by alain rival. Pdf on jan 1, 1986, peter kevan and others published modelling the use of elaeidobius kamerunicus for pollination of oil palm find, read and cite all the. Pdf effectiveness of the oil palm pollinating weevil.
Practice the sample multiplechoice question for grade 12 biology entrance examination. The term biology comes from two greek words bios means life and logos means knowledge. March15,20 onthe28thofapril2012thecontentsoftheenglishaswellasgermanwikibooksandwikipedia projectswerelicensedundercreativecommonsattributionsharealike3. The intrinsic rate of natural increase, generation time, net reproductive rate. Adult weevils of the african oil palm weevil elaeidobius kamerunicus are very hostspecific to the oil palm, elaeis guineensis. Full text of british journal of entomology and natural history see other formats. Girsang j g 2017 biology of pollinator insect elaeidobius kamerunicus coleoptera. The occurance of oil palm weevil, elaeidobius kamerunicus. Abimbola3 1 department of science education, university of ilorin. Malaysian online journal of educational sciences 2017 volume5 issue 3. Biology notes, outlines, diagrams, study guides, vocabulary, practice exams and more.
The larval stage suffered the highest mortality 60% and the mean total generation mortality was approximately 94%. However, the yield production has obviously declined lately. Stringent, controlled pollination procedures had to be adopted. Insectassisted pollination in young oil palm plantings. Variation in populations of the introduced pollinating weevil elaeidobius kamerunicus coleoptera. Pathogenicity of beauveria basiana against metisa plana and elaeidobius kamerunicus. Before embarking to medical school, brian took a youngadultprofessional detour and found himself at fusion learning centerfusion. There are several factors that contributing to the declined and most said is because of the e. Perfect support for coursework, homework, and studying for tests. The evaluation exercise was carried out in various schools in the country and was found to have imperfectionssome. In botany, a plant is heterogamous when it carries at least two different types of flowers in regard to their reproductive structures, for example male and female flowers or bisexual and female.
Curculionidae main pollinators of oil palm in west africa article february 2011 with 292 reads how we. The text items are modified lecture outlines i have developed over the many years of. Curculionidae, the pollinating weevil, is the most efficient insect pollinator of oil palm, elaeis guineensis jacq. Biology questions and answers form 3 high school biology.
Curculionidae main pollinators of oil palm in west africa. Cross pollination an overview sciencedirect topics. Genetic diversity of elaeidobius kamerunicus faust. Pdf the population of elaeidobius kamerunicus faust and its aggressiveness have. Cucurlionidae to the inflorescence of different palm species was tested in a choice, non. Providing questions from past exam papers as well as new questions set by actual a level examiners, this book on biology is one of a series. This situation has affected the oil palm fruit set. Alevel questions and answers biology a level questions. In the last 50 years or so, there has been a phenomenal expansion in its cultivation throughout the tropics, such that palm oil is now a major commodity of world trade and the oil palm is a leading source of vegetable oil. It is native to west and southwest africa, specifically the area between angola and the gambia. A level biology book pdf free download gcecompilation. Currently, natural cross pollination is effected efficiently by the pollinating weevil elaidobius kamerunicus introduced from west africa in the 1980s. Elaeidobius kamerunicus was introduced from africa into the oil palm. The effects of elaeidobius kamerunicus faust on rat control programmes of oil palm estates in malaysia porim occasional paper wahid, mohd.
The ncdc carried out evaluation exercise of biology, an principal subject for advanced level students before its revision. Free biology books list of freely available biology textbooks, popular works, lecture notes, and other documents. The response of the oil palm pollinating weevil elaeidobius kamerunicus faust coleoptera. Ever since advanced level biology curriculum was put in place in 1999, it has not been revised. A common misconception about meiosis appears when students identify which of the two divisions converts a diploid cell into two haploid cells. A total of nine spikelets, three each from top, middle and bottom section of male inflorescence which. Conceptions of the nature of biology held by senior secondary school biology teachers in ilorin, kwara state, nigeria adegboye, motunrayo catherine1, ganiyu bello 2, isaac, o. The third is the cape associate degree, awarded for. Weevil pollination also decreased parthenocarpy from 34. Design and placement of hatch and carry box with six post anthesis male in orescences inside. In cell biology, heterogamy is a synonym of anisogamy, the condition of having differently sized male and female gametes produced by different sexes or mating types in a species botany. Life tables for elaeidobius kamerunicus faust coleoptera. Curculionoidea on oil palm on hainan island english yue, jianjun yan, zhen bai, cheng chen, zetan. Mon 92 tues 93 wed 94 thurs 95 fri 96 no school labor day you pick your own seat to start.
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