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2011-2012学年八年级生物第一学期期中考试测试题 (无答案) 人教新课标版(2011-2012 school year eight grade biology first semester mid-term exam test questions (no answer), people teach new curriculum version).doc

2011-2012学年八年级生物第一学期期中考试测试题 (无答案) 人教新课标版(2011-2012 school year eight grade biology first semester mid-term exam test questions (no answer), people teach new curriculum version).doc

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2011-2012学年八年级生物第一学期期中考试测试题 (无答案) 人教新课标版(2011-2012 school year eight grade biology first semester mid-term exam test questions (no answer), people teach new curriculum version)

2011-2012学年八年级生物第一学期期中考试测试题 (无答案) 人教新课标版(2011-2012 school year eight grade biology first semester mid-term exam test questions (no answer), people teach new curriculum version) 2011-2012 semester eight biology first semester mid-term examination questions Volume 1 First, the individual choice questions: the correct answer serial number on the answer card 1. In angiosperms, the formation of seeds and fruits usually has to complete two important physiological processes, they are () A. flowering and pollination, B, pollination and fertilization C. flowering and fertilization D. self pollination and cross pollination 2. take a grain of corn seed soaked, with seeds from the central longitudinal cutting blade will. In the section with a drop of dilute iodine, use a magnifying glass to observe carefully, by iodine dyed blue is (LA) A. pericarp and testa B. embryo C. endosperm D., embryo, hypocotyl, radicle, cotyledon 3. willow trees will emit a lot of white hairs during the spring and summer season. The best way to solve this problem is () A. pruned B. during the breeding season, using drugs to inhibit reproduction C. Clean up in time. D. plants male willows The 4. cabbage crops harm in the growth process when the period (for). A larvae; B pupae; C; fertilized eggs; D adults 5. life is a wonderful world! The beautiful butterfly turned out to be a caterpillar. The development of the following insects is similar to that of butterflies. Silkworm, locust, bee and cricket A, B, C, D, II 6, farmer Wang, with the help of the government, embarked on the road to raising bullfrog and pheasant. He observed that the male and female bullfrog breeds in the form of yes, yes, and the pheasant breeds in the form of mating. Please tell me the way of fertilization between the two animals. A bullfrog and pheasant are both fertilized in vivo B bullfrog is fertilized in vivo, pheasant is fertilized in vitro C bullfrog is in vitro fertilization, pheasant is in vivo fertilization D bullfrog and p

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