Modul biologi juj pahang 2015 naskah murid

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  1. 1. Modul Biologi Jawab Untuk Jaya 2015-Naskah Murid 4551/2 Hak Cipta JUJ Pahang 2015 1 No. Soalan Question S1 Rajah 1 menunjukkan peringkat organisasi sel pada manusia. Diagram 1 shows the levels of cell organisation in human. Rajah 1 / Diagram 1 (a) Terangkan bagaimana peringkat R terbentuk. Explain how level R is formed. (2 m) (b) Terangkan fungsi jus gastrik yang dihasilkan oleh kelenjar gastrik. Explain the function of gastric juice produced by the gastric gland. (3 m) (c) Sekiranya seorang individu memakan buah mangga yang masam dalam jumlah yang banyak, adakah beliau masih memerlukan jus gastrik untuk membantu proses pencernaan yang berlaku di dalam perutnya? If an individual eats sour mango fruits in big quantity, does he still need gastric juices to help the digestion process in his stomach? (2 m) Petunjuk Clues (a)(i) Apakah peringkat R? What is level R? (ii) Apakah peranan tisu P dan tisu Q dalam pembentukan organ perut? What is the function of tissue P and tissue Q in the formation of stomach? (b) Apakah pH jus gastrik? Nyatakan kepentingan nilai pH ini. What is the pH of gastric juice? State the importance of this pH value. (c)(i) Adakah asid yang terkandung di dalam jus gastrik dan buah mangga itu
  2. 2. Modul Biologi Jawab Untuk Jaya 2015-Naskah Murid 4551/2 Hak Cipta JUJ Pahang 2015 2 sama? Namakan asid yang terkandung di dalam jus gastrik. Does the acid containing in the gastric juice and mango same? Name the acid in the gastric juice. (ii) Apakah peranan asid tersebut dalam proses pencernaan? What is the role of the acid in the digestion process? Jawapan Answer (a) (b) .. (c) .. S2 Rajah 1.1 dan 1.2 menunjukkan dua cara pergerakan bahan merentas membran sel. Diagrams 1.1 and 12 show two different methods of movement of substances across the plasma membrane of a cell.
  3. 3. Modul Biologi Jawab Untuk Jaya 2015-Naskah Murid 4551/2 Hak Cipta JUJ Pahang 2015 3 (a) Nyatakan dua perbezaan antara cara pergerakan bahan yang ditunjukkan dalam Rajah 1.1 dengan Rajah 1.2. State two differences between the methods of movement of substances shown in Diagrams 1.1 and 1.2. (2 m) (b) Molekul-molekul glukosa diangkut ke sel merentasi membran plasma melalui proses yang ditunjukkan pada Rajah 1.2. Terangkan mengapa. Glucose molecules are transported across the plasma membrane into the cell through the process shown in Diagram 1.2. Explain why. (2 m) (c) Jika bahan pada Rajah 1.2 adalah ion-ion kalsium, huraikan bagaimana ion-ion tersebut diangkut ke dalam sel. If the substances in Diagram 1.2 are calcium ions, describe how they are transported into the cell. (4 m) Petunjuk Clues * Perhatikan protein Q, nyatakan jenis pergerakan bahan A melaluinya berdasarkan perubahan bentuknya. Observe protein Q, name the type of movement of substance A across it due to the change of its shape. (a)* Perhatikan arah pergerakan bahan A dan bahan B, sama ada Observe the movement of substances A and B, either - menuruni kecerunan kepekatan atau melawan kecerunan kepekatan following the concentration gradient or against it - perlukan tenaga dalam bentuk ATP needs energy in the form of ATP * Nyatakan jenis pergerakan bahan B dalam Rajah 1.2. Name the type of movement of substance B in Diagram 1.2. (b) Kenalpasti ciri glukosa yang menyebabkannya tidak boleh melalui membran
  4. 4. Modul Biologi Jawab Untuk Jaya 2015-Naskah Murid 4551/2 Hak Cipta JUJ Pahang 2015 4 plasma secara resapan ringkas. Identify the characteristic of glucose which enable it to crosss the plasma membrane through simple diffusion. (c)* Namakan jenis pergerakan ion kalsium merentasi membran plasma. Name the type of movement of calcium ions through plasma membrane. * Adakah pergerakan ion ini menuruni cerun kepekatan? Does the movement of these ions follow the concentration gradient? * Adakah protein perlu berubah bentuk? Does the protein have to change its shape? * Adakah tenaga ATP diperlukan? Does energy in the form of is needed? Jawapan Answer (a) ........................................................................................................................ ........................................................................................................................ ........................................................................................................................ (b) ........................................................................................................................ ........................................................................................................................ ........................................................................................................................ (c) ........................................................................................................................ ........................................................................................................................ ........................................................................................................................ ........................................................................................................................ ........................................................................................................................ S3 Rajah 2 menunjukkan turutan langkah-langkah dalam sintesis suatu enzim luar sel dalam sel pankreas manusia. Langkah-langkah itu dilabelkan sebagai Langkah I, Langkah II dan Langkah III. Langkah I menunjukkan perubahan bahagian tertentu rantai DNA. Rantai DNA yang terlibat mengandungi tiga bes nitrogen, CTC. Diagram 4 shows a sequence of stages in the synthesis of an extracellular enzyme in human pancreatic cells. The stages are labelled as Stage I, Stage II and Stage
  5. 5. Modul Biologi Jawab Untuk Jaya 2015-Naskah Murid 4551/2 Hak Cipta JUJ Pahang 2015 5 III. Stage I shows a changes in the specific part of a DNA strand. The DNA strand involved contains three nitrogenous bases, CTC. Rajah 2 / Diagram 2 (a) Terangkan perubahan yang berlaku dalam rantai heliks ganda dua DNA semasa Langkah I. Explain the changes that occurred in the double helix of the DNA strand during Stage I. (2 m) (b) Langkah II dan Langkah III berlaku di dalam sitoplasma. Terangkan perubahan yang berlaku dalam Langkah II dan Langkah III. (2 m) (c) Berdasarkan Rajah 4, Based on Diagram 4, (i) Nyatakan dua perbezaan antara struktur molekul polipeptida protein dengan molekul DNA. State two differences between the structure of the protein polypeptide molecule and the DNA molecule. (2 m) (ii) Bezakan antara struktur DNA dengan RNA. Differentiate between the structure of DNA and RNA. (1 m) (d) Terangkan bagaimana protein yang terbentuk di ribosom diubah bentuk menjadi enzim luar sel supaya boleh dirembes keluar daripada sel.
  6. 6. Modul Biologi Jawab Untuk Jaya 2015-Naskah Murid 4551/2 Hak Cipta JUJ Pahang 2015 6 Explain how the protein formed at the ribosome is transformed into the extracellular enzyme so that it can be secreted from the cell. (3 m) Petunjuk Clues (a) Terangkan peringkat pertama sintesis enzim luar sel yang berlaku dalam nukleus sel pankreas manusia. Explain the first stage in the synthesis of extracellular enzyme in the nucleus of a human pancreatic cell. (b)* Terangkan apa yang terjadi kepada mRNA dalam langkah II. Explain what happens to mRNA in stage II. * Apakah hasil akhir langkah III? What is the end product of stage III? (c)(i) * Apakah binaan asas rantai polipeptida dan rantai DNA? What polypeptides and DNA strands made up of? * Apakah bentuk rantai polipeptida dan rantai DNA? What is the structure of polypeptides and DNA strands? (ii) Berapakah bilangan rantai nukleotida pada DNA dan mRNA? How many strands of nucleotide do DNA and mRNA have? (d)* Ke manakah perginya protein yang dihasilkan oleh ribosom? Where does protein synthesised by ribosomes go? * Apakah yang berlaku kepada protein dalam jasad Golgi? What happens to the protein in the Golgi apparatus? * Bagaimanakah enzim luar sel tersebut dirembeskan keluar daripada sel? How the extracellular enzyme is secreted from the cell? Jawapan Answer (a) ........................................................................................................................ ........................................................................................................................ ........................................................................................................................ (b) ........................................................................................................................ ........................................................................................................................ ........................................................................................................................
  7. 7. Modul Biologi Jawab Untuk Jaya 2015-Naskah Murid 4551/2 Hak Cipta JUJ Pahang 2015 7 (c)(i) .................................................................................................................................... .................................................................................................................................... .................................................................................................................................... (c)(ii) .................................................................................................................................... .................................................................................................................................... (d) .................................................................................................................................... ..............................................................................................................................