Chapter 7: Section C (a) (i) Rest: …………………………………………………….. Vigorous exercise: ………………………………………………………………….. (ii) During doing vigorous activity, b………………………. rate is higher More e……………………. needs For m……………….. contraction More oxygen needs To oxidise g………………….. To produce energy The concentration of l……………………………………. in blood increase Because the glucose molecule p……………………….. /incomplete oxidise During resting, the breathing rate is l…………….. (During resting), less energy need And less oxygen need (b) (i) Both plants carry out anaerobic respiration// alcohol fermentation Both processes occur in low oxygen/ without oxygen Both processes produce ethanol, carbon dioxide and energy Both processes occur in cytoplasm Both processes involve incomplete/ partially Oxidation of glucose (ii) Paddy plant can survive in waterlogged that has ……………….. concentration oxygen Paddy plant carry out a……………………………. respiration/ alcoholic fermentation (in the waterlogged) Causes incomplete/ partially oxidation of g………………………….. Paddy plant cell high tolerance toward high concentration of a………………………… (The cells will) produce alcohol dehydrogenase To breakdown alcohol molecule become (non-toxic) carbon dioxide Paddy plant has ……………………. fibrous root To absorb oxygen from the surface of waterlogged The stomoata of cogon grass (roots in waterlogged) has closed (its causes) no respiration and photosynthesis process it also causes low nutrients in the plant/cogon plant In the soil (in waterlogged area) no oxygen/ low pH/ present of toxins Causes the roots damage/ die/ can be infected by diseases. c) Add more yeast More s……………………… breakdown become Maintain optimum temperature at 32-35°C. g…………………… Yeast produce more z……………………. more glucose p……………………… breakdown Rate of a………………………… respiration E………………….. in yeast has more kinetic energy increase the collision between enzyme and s…………………………….. more e……………………….-s……………………… c……………………………….. form increases Rate of anaerobic respiration i………………………..
