安徽省宣城梅林2011-2012学年度八年级生物第一学期期中考试试卷(无答案) 北师大版（Anhui Xuancheng Meilin 2011-2012 school year eight biology first semester midterm examination paper (no answer), Beijing Normal University Edition）.docVIP

安徽省宣城梅林2011-2012学年度八年级生物第一学期期中考试试卷(无答案) 北师大版（Anhui Xuancheng Meilin 2011-2012 school year eight biology first semester midterm examination paper (no answer), Beijing Normal University Edition） Xuancheng Meilin 2011-2012 school year examination grade eight papers during the first semester of Biology Exam time: 90 minutes: 100 points A choice (every day, 1 points, 25 points) 1. Select a group of animals with the same movement A. crabs, ducks, B. kangaroos, ostriches, C. penguins, sparrows, D. crocodiles, lizards 2, the following is about the animal flying, the error is () A is a unique form of exercise for birds. B is a form of exercise for the air C, wing flight is the basic way to fly, D, gliding is a labor-saving way of flying 3. The composition of the human movement system includes () A, bone, bone and skeletal muscle, B, bone, joint and skeletal muscle C, bone, bone and bone, muscle, D, bone, bone and bone 4. A bone in the human body is () A, a cell B, an organization C, an organ, D, a system 5. The basic structure of bone is () A, periosteum, bone marrow and articular cartilage are three parts. B, periosteum, bone marrow cavity and cancellous bone are three parts C, periosteum, bone marrow, bone compact, three parts, D, periosteum, bone marrow, cancellous bone and bone dense substance, four parts 6, which animal do you think should not include the following in nature? () A plays an important role in maintaining ecological balance. B promotes the circulation of substances in the ecosystem C, which helps plants pollinate and propagate the seeds of fruit, D, can purify the air 7, the Tinbergen model shows that caused the gull chicks pecking birds for food behavior is the bird (pro) A, plumage color, B, body shape, C, beak erythema, D, sound There are 8, queen colony (), whose work is () A, one mate, spawn B, one guard C, the largest number of defense D, the largest number of mating, spawning 9. The structure related to the length and thickness of bone and the post