精编初二生物会考模拟卷(含答案)三（Fine grade biological examination simulation volume (with answers) three）.docVIP

精编初二生物会考模拟卷(含答案)三（Fine grade biological examination simulation volume (with answers) three） This article is contributed by 2652alex DOC documents may experience poor browsing on the WAP side. It is recommended that you first select TXT, or download the source file to the local view. Biology review volume three Biology review volume three A single choice (a total of 25 questions, 50) 1. (2 points) on earth ecosystem is the largest (B.) A. biosphere tropical rainforest ecosystem of grassland ecosystem C. D. biosphere two [A] answer questions answer questions] 2. (2 points) in our country census, should do which of the following is not working when the survey (A), an investigation to determine the purpose and object of B, sample C, sampling plan, reasonable arrangement of D investigation and analysis of the survey results [B] answers the question answer] 3. (2 points) in the algae, herbivorous fish, carnivorous fish, sharks in the food chain if the water pollution, toxic mercury, so biological mercury levels is the largest (A), B, C, algae herbivorous fish carnivorous fish, shark D [] D answers the question answer] 4. (2 points) The lower half part for tobacco mosaic virus, structure figure 2 refers to the label for A (), B, genetic material protein C, carbohydrate D, fat [] answer questions B answers] 5. (2 points) we usually eat peanut oil is from which part of the extract of peanut seeds () A, B, C, hypocotyl and cotyledon embryo endosperm D [D] answers the question answer] 6. (2 points) the common characteristics of algae, moss and ferns (A.) is not the root, stem and leaf organs such as B. in water C. are multicellular D. are no seeds and by spores after generation [D] answers the question answer] 7. (2 points) sugar is sweet, it contains a lot of sugar in the stem, which is (A.) sugar from leaves after manufacturing through the screen to transport B. extracted from the soil by the roots, through the screen. Lost to C. by leaf after manufacturing through the cathe