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NAMA TINGKATAN Kertas ini mengandungi tiga soalan esei bersama cadangan jawapan. Isikan tempat kosong dengan perkataan yang sesuai bagi melengkapkan jawapan yang diberi. RESPIRATION EXPLAIN THE GASEOUS EXCHANGE BETWEEN ALVEOLUS AND BLOOD CAPILLARY AND BETWEEN BLOOD CAPILLARY AND BODY CELL. 1 Inhalation increase the _____________ content in the alveolus 2 Blood capillary in alveolus contain ________________ blood from the whole body 3 the partial pressure of oxygen in the alveolus is ____________ compare to partial pressure of oxygen in blood capillary 4 oxygen ____________ from alveolus into blood capillary by simple diffusion 5 In blood capillary, partial pressure of carbon dioxide is _____________ compare to alveolus 6 _______________________ diffused from blood capillary to alveolus by simple diffusion 7 In the body cell, cellular respiration produce a lot of __________________ 8 Blood capillary between the body cell contain the __________________ blood from the lung 9 partial pressure of carbon dioxide is ________________ in the body cell compare to blood capillary 10 Carbon dioxide diffused from body cell to blood capillary by _______________________ 11 partial pressure of oxygen in the body cell is ________________ compare to blood capillary 12 ________________ diffused from blood capillary to body cell by simple diffusion PHOTOSYNTHESIS EXPLAIN THE PROCESS OF PHOTOSYNTHESIS THAT TAKE PLACE IN GRANA. 1 The process is _________________________ 2 _____________ contain chlorophyll that captures sunlight 3 __________________ excites electrons in the chlorophyll cause it to leave the chlorophyll molecules 4 Light energy is used to split water molecules into _____________________ and hydroxyl ions. 5 The process is called _________________________ 6 The hydrogen ions combine with electron released by chlorophyll to form ________________________ 7 Hydroxyll ion loses an electron to form a ______________________ 8 The electron is received by _________________ 9 The hydroxyl groups then combine to form _____________ and _____________ gases 10 Oxygen is released into the __________________ WATER POLLUTION EXPLAIN HOW EXCESSIVE USE OF INORGANIC FERTILISER IN AGRICULTURAL AREA CAN CAUSE WATER POLLUTION. 1 Inorganic fertilisers contain _______________ and _______________ 2 Inorganic fertilisers are highly soluble and easily leached out 3 Nitrates and phosphates enter lakes, ponds and rivers and caused ____________________ 4 Encourages _____________ to grow rapidly 5 Resulting population explosion known as an ____________________ 6 The high density of algae decreased the _______________ in the water 7 Aquatic ______________ died and decomposed by bacteria 8 The rapid growth of microorganisms in water leads to the increase in ________________________________ (BOD) 9 Lead to depletion of oxygen in the water and cause the death of aerobic organism 10 A high BOD value indicates the presence of a large number of microorganisms and a high level of ________________